Merge branch 'master' into jumping

.gitignore

@@ -10,8 +10,10 @@
 .settings/
 
 # Output dirs
+out/
 target/
 classes/
+bin/
 build/
 docs/
 .gradle/

.travis.yml

@@ -1,5 +1,30 @@
 language: java
-sudo: false
+dist: trusty
+sudo: required
+
+services:
+  - docker
+
 jdk:
-  - oraclejdk7
   - oraclejdk8
+  - openjdk8
+  - oraclejdk9
+
+before_cache:
+  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+  - $HOME/.gradle/caches/
+  - $HOME/.gradle/wrapper/
+
+before_install:
+  - pip install --user codecov
+
+script:
+  - ./gradlew check
+  - ./gradlew integrationTest
+
+after_success:
+- codecov

README.adoc

@@ -1,13 +1,15 @@
 = sshj - SSHv2 library for Java
 Jeroen van Erp
 :sshj_groupid: com.hierynomus
-:sshj_version: 0.21.1
+:sshj_version: 0.27.0
 :source-highlighter: pygments
 
+image:https://api.bintray.com/packages/hierynomus/maven/sshj/images/download.svg[link="https://bintray.com/hierynomus/maven/sshj/_latestVersion"]
 image:https://travis-ci.org/hierynomus/sshj.svg?branch=master[link="https://travis-ci.org/hierynomus/sshj"]
 image:https://api.codacy.com/project/badge/Grade/14a0a316bb9149739b5ea26dbfa8da8a["Codacy code quality", link="https://www.codacy.com/app/jeroen_2/sshj?utm_source=github.com&utm_medium=referral&utm_content=hierynomus/sshj&utm_campaign=Badge_Grade"]
+image:https://codecov.io/gh/hierynomus/sshj/branch/master/graph/badge.svg["codecov", link="https://codecov.io/gh/hierynomus/sshj"]
+image:http://www.javadoc.io/badge/com.hierynomus/sshj.svg?color=blue["JavaDocs", link="http://www.javadoc.io/doc/com.hierynomus/sshj"]
 image:https://maven-badges.herokuapp.com/maven-central/com.hierynomus/sshj/badge.svg["Maven Central",link="https://maven-badges.herokuapp.com/maven-central/com.hierynomus/sshj"]
-image:https://javadoc-emblem.rhcloud.com/doc/com.hierynomus/sshj/badge.svg["Javadoc",link="http://www.javadoc.io/doc/com.hierynomus/sshj"]
 
 To get started, have a look at one of the examples. Hopefully you will find the API pleasant to work with :)
 
@@ -70,15 +72,17 @@ key exchange::
   `diffie-hellman-group14-sha256`, `diffie-hellman-group15-sha512`, `diffie-hellman-group16-sha512`, `diffie-hellman-group17-sha512`, `diffie-hellman-group18-sha512`
   `diffie-hellman-group-exchange-sha1`, `diffie-hellman-group-exchange-sha256`,
   `ecdh-sha2-nistp256`, `ecdh-sha2-nistp384`, `ecdh-sha2-nistp521`, `curve25519-sha256@libssh.org`
+
   SSHJ also supports the following extended (non official) key exchange algoriths:
   `diffie-hellman-group14-sha256@ssh.com`, `diffie-hellman-group15-sha256`, `diffie-hellman-group15-sha256@ssh.com`, `diffie-hellman-group15-sha384@ssh.com`,
   `diffie-hellman-group16-sha256`, `diffie-hellman-group16-sha384@ssh.com`, `diffie-hellman-group16-sha512@ssh.com`, `diffie-hellman-group18-sha512@ssh.com`
 
 signatures::
-  `ssh-rsa`, `ssh-dss`, `ecdsa-sha2-nistp256`, `ssh-ed25519`
+  `ssh-rsa`, `ssh-dss`, `ecdsa-sha2-nistp256`, `ecdsa-sha2-nistp384`, `ecdsa-sha2-nistp521`, `ssh-ed25519`
 
 mac::
-  `hmac-md5`, `hmac-md5-96`, `hmac-sha1`, `hmac-sha1-96`, `hmac-sha2-256`, `hmac-sha2-512`
+  `hmac-md5`, `hmac-md5-96`, `hmac-sha1`, `hmac-sha1-96`, `hmac-sha2-256`, `hmac-sha2-512`, `hmac-ripemd160`, `hmac-ripemd160@openssh.com`
+  `hmac-md5-etm@openssh.com`, `hmac-md5-96-etm@openssh.com`, `hmac-sha1-etm@openssh.com`, `hmac-sha1-96-etm@openssh.com`, `hmac-sha2-256-etm@openssh.com`, `hmac-sha2-512-etm@openssh.com`, `hmac-ripemd160-etm@openssh.com`
 
 compression::
   `zlib` and `zlib@openssh.com` (delayed zlib)
@@ -97,14 +101,41 @@ Java 6+. http://www.slf4j.org/download.html[slf4j] is required. http://www.bounc
 == Reporting bugs
 Issue tracker: https://github.com/hierynomus/sshj/issues
 
-== Discussion
-Google Group: http://groups.google.com/group/sshj-users
-
 == Contributing
 Fork away!
 
 == Release history
-SSHJ 0.22.0 (2017-??-??)::
+SSHJ 0.27.0 (2019-01-24)::
+* Fixed https://github.com/hierynomus/sshj/issues/415[#415]: Fixed wrongly prefixed '/' to path in SFTPClient.mkdirs
+* Added support for ETM (Encrypt-then-Mac) MAC algorithms.
+* Fixed https://github.com/hierynomus/sshj/issues/454[#454]: Added missing capacity check for Buffer.putUint64
+* Fixed https://github.com/hierynomus/sshj/issues/466[#466]: Added lock timeout for remote action to prevent hanging
+* Fixed https://github.com/hierynomus/sshj/issues/470[#470]: Made EdDSA the default (first) signature factory
+* Fixed https://github.com/hierynomus/sshj/issues/467[#467]: Added AES256-CBC as cipher mode in openssh-key-v1 support
+* Fixed https://github.com/hierynomus/sshj/issues/464[#464]: Enabled curve25519-sha256@openssh.org in DefaultConfig
+* Fixed https://github.com/hierynomus/sshj/issues/472[#472]: Handle server initiated global requests
+* Fixed https://github.com/hierynomus/sshj/issues/485[#485]: Added support for all keytypes to openssh-key-v1 keyfiles.
+SSHJ 0.26.0 (2018-07-24)::
+* Fixed https://github.com/hierynomus/sshj/issues/413[#413]: Use UTF-8 for PrivateKeyFileResource
+* Fixed https://github.com/hierynomus/sshj/issues/427[#427]: Support encrypted ed25519 openssh-key-v1 files
+* Upgraded BouncyCastle to 1.60
+* Added support for hmac-ripemd160@openssh.com MAC
+SSHJ 0.24.0 (2018-04-04)::
+* Added support for hmac-ripemd160
+* Fixed https://github.com/hierynomus/sshj/issues/382[#382]: Fixed escaping in WildcardHostmatcher
+* Added integration testsuite using Docker against OpenSSH
+* Fixed https://github.com/hierynomus/sshj/issues/187[#187]: Fixed length bug in Buffer.putString
+* Fixed https://github.com/hierynomus/sshj/issues/405[#405]: Continue host verification if first hostkey does not match.
+SSHJ 0.23.0 (2017-10-13)::
+* Merged https://github.com/hierynomus/sshj/pulls/372[#372]: Upgrade to 'net.i2p.crypto:eddsa:0.2.0'
+* Fixed https://github.com/hierynomus/sshj/issues/355[#355] and https://github.com/hierynomus/sshj/issues/354[#354]: Correctly decode signature bytes
+* Fixed https://github.com/hierynomus/sshj/issues/365[#365]: Added support for new-style OpenSSH fingerprints of server keys
+* Fixed https://github.com/hierynomus/sshj/issues/356[#356]: Fixed key type detection for ECDSA public keys
+* Made SSHJ Java9 compatible
+SSHJ 0.22.0 (2017-08-24)::
+* Fixed https://github.com/hierynomus/sshj/pulls/341[#341]: Fixed path walking during recursive copy
+* Merged https://github.com/hierynomus/sshj/pulls/338[#338]: Added ConsolePasswordFinder to read password from stdin
+* Merged https://github.com/hierynomus/sshj/pulls/336[#336]: Added support for ecdsa-sha2-nistp384 and ecdsa-sha2-nistp521 signatures
 * Fixed https://github.com/hierynomus/sshj/issues/331[#331]: Added support for wildcards in known_hosts file
 SSHJ 0.21.1 (2017-04-25)::
 * Merged https://github.com/hierynomus/sshj/pulls/322[#322]: Fix regression from 40f956b (invalid length parameter on outputstream)

build.gradle

@@ -1,22 +1,45 @@
 import java.text.SimpleDateFormat
+import com.bmuschko.gradle.docker.tasks.container.*
+import com.bmuschko.gradle.docker.tasks.image.*
 
 plugins {
   id "java"
   id "groovy"
+  id "jacoco"
   id "osgi"
   id "maven-publish"
-  id "org.ajoberstar.release-opinion" version "1.4.2"
+  id 'pl.allegro.tech.build.axion-release' version '1.9.2'
+  id "com.bmuschko.docker-remote-api" version "3.2.1"
   id "com.github.hierynomus.license" version "0.12.1"
   id "com.jfrog.bintray" version "1.7"
-  id 'ru.vyarus.pom' version '1.0.3'
+  id 'ru.vyarus.java-lib' version '1.0.5'
+  // id 'ru.vyarus.pom' version '1.0.3'
   id 'ru.vyarus.github-info' version '1.1.0'
+  id 'ru.vyarus.animalsniffer' version '1.4.2'
 }
 
 group = "com.hierynomus"
+
+scmVersion {
+  tag {
+    prefix = 'v'
+    versionSeparator = ''
+  }
+  hooks {
+    pre 'fileUpdate', [file: 'README.adoc', pattern: { v, c -> /:sshj_version: .*/}, replacement: { v, c -> ":sshj_version: $v" }]
+    pre 'commit'
+  }
+}
+
+project.version = scmVersion.version
+
 defaultTasks "build"
 
 repositories {
   mavenCentral()
+  maven {
+    url "https://dl.bintray.com/mockito/maven/"
+  }
 }
 
 sourceCompatibility = 1.6
@@ -24,20 +47,25 @@ targetCompatibility = 1.6
 
 configurations.compile.transitive = false
 
-def bouncycastleVersion = "1.56"
+def bouncycastleVersion = "1.60"
+def sshdVersion = "2.1.0"
 
 dependencies {
+  signature 'org.codehaus.mojo.signature:java16:1.1@signature'
+
   compile "org.slf4j:slf4j-api:1.7.7"
   compile "org.bouncycastle:bcprov-jdk15on:$bouncycastleVersion"
   compile "org.bouncycastle:bcpkix-jdk15on:$bouncycastleVersion"
   compile "com.jcraft:jzlib:1.1.3"
 
-  compile "net.i2p.crypto:eddsa:0.1.0"
+  compile "net.i2p.crypto:eddsa:0.3.0"
 
   testCompile "junit:junit:4.11"
   testCompile 'org.spockframework:spock-core:1.0-groovy-2.4'
-  testCompile "org.mockito:mockito-core:2.8.47"
-  testCompile "org.apache.sshd:sshd-core:1.2.0"
+  testCompile "org.mockito:mockito-core:2.9.2"
+  testCompile "org.apache.sshd:sshd-core:$sshdVersion"
+  testCompile "org.apache.sshd:sshd-sftp:$sshdVersion"
+  testCompile "org.apache.sshd:sshd-scp:$sshdVersion"
   testRuntime "ch.qos.logback:logback-classic:1.1.2"
   testCompile 'org.glassfish.grizzly:grizzly-http-server:2.3.17'
   testCompile 'org.apache.httpcomponents:httpclient:4.5.2'
@@ -50,15 +78,7 @@ license {
   mapping {
     java = 'SLASHSTAR_STYLE'
   }
-  excludes(['**/djb/Curve25519.java', '**/sshj/common/Base64.java'])
-}
-
-if (project.file('.git').isDirectory()) {
-  release {
-    grgit = org.ajoberstar.grgit.Grgit.open(project.projectDir)
-  }
-} else {
-  version = "0.0.0-no.git"
+  excludes(['**/djb/Curve25519.java', '**/sshj/common/Base64.java', '**/org/mindrot/jbcrypt/*.java'])
 }
 
 // This disables the pedantic doclint feature of JDK8
@@ -78,7 +98,6 @@ task writeSshjVersionProperties {
 }
 
 jar.dependsOn writeSshjVersionProperties
-
 jar {
   manifest {
     // please see http://bnd.bndtools.org/chapters/390-wrapping.html
@@ -99,14 +118,7 @@ jar {
   }
 }
 
-task javadocJar(type: Jar) {
-  classifier = 'javadoc'
-  from javadoc
-}
-
-task sourcesJar(type: Jar) {
-  classifier = 'sources'
-  from sourceSets.main.allSource
+sourcesJar {
   manifest {
     attributes(
       // Add the needed OSGI attributes
@@ -119,6 +131,27 @@ task sourcesJar(type: Jar) {
   }
 }
 
+configurations {
+  integrationTestCompile.extendsFrom testCompile
+  integrationTestRuntime.extendsFrom testRuntime
+}
+
+sourceSets {
+  integrationTest {
+    groovy {
+      compileClasspath += sourceSets.main.output + sourceSets.test.output
+      runtimeClasspath += sourceSets.main.output + sourceSets.test.output
+      srcDir file('src/itest/groovy')
+    }
+    resources.srcDir file('src/itest/resources')
+  }
+}
+
+task integrationTest(type: Test) {
+  testClassesDirs = sourceSets.integrationTest.output.classesDirs
+  classpath = sourceSets.integrationTest.runtimeClasspath
+}
+
 tasks.withType(Test) {
   testLogging {
     exceptionFormat = 'full'
@@ -185,21 +218,12 @@ pom {
   }
 }
 
-publishing.publications {
-  Sshj(MavenPublication) {
-    from components.java
-    artifact sourcesJar
-    artifact javadocJar
-  }
-}
-
-
 if (project.hasProperty("bintrayUsername") && project.hasProperty("bintrayApiKey")) {
   bintray {
     user = project.property("bintrayUsername")
     key = project.property("bintrayApiKey")
     publish = true
-    publications = ["Sshj"]
+    publications = ["maven"]
     pkg {
       repo = "maven"
       name = project.name
@@ -208,7 +232,7 @@ if (project.hasProperty("bintrayUsername") && project.hasProperty("bintrayApiKey
       labels = ["ssh", "sftp", "secure-shell", "network", "file-transfer"]
       githubRepo = "hierynomus/sshj"
       version {
-        name = project.version.toString()
+        name = "${project.version}"
         vcsTag = "v${project.version}"
         released = new SimpleDateFormat('yyyy-MM-dd\'T\'HH:mm:ss.SSSZZ').format(new Date())
         gpg {
@@ -226,4 +250,43 @@ if (project.hasProperty("bintrayUsername") && project.hasProperty("bintrayApiKey
   }
 }
 
-project.tasks.release.dependsOn([project.tasks.build, project.tasks.bintrayUpload])
+jacocoTestReport {
+    reports {
+        xml.enabled true
+        html.enabled true
+    }
+}
+
+
+task buildItestImage(type: DockerBuildImage) {
+    inputDir = file('src/itest/docker-image')
+    tag = 'sshj/sshd-itest'
+}
+
+task createItestContainer(type: DockerCreateContainer) {
+    dependsOn buildItestImage
+    targetImageId { buildItestImage.getImageId() }
+    portBindings = ['2222:22']
+}
+
+task startItestContainer(type: DockerStartContainer) {
+    dependsOn createItestContainer
+    targetContainerId { createItestContainer.getContainerId() }
+}
+
+task stopItestContainer(type: DockerStopContainer) {
+    targetContainerId { createItestContainer.getContainerId() }
+}
+
+task forkedUploadRelease(type: GradleBuild) {
+  buildFile = project.buildFile
+  tasks = ["bintrayUpload"]
+}
+
+project.tasks.integrationTest.dependsOn(startItestContainer)
+project.tasks.integrationTest.finalizedBy(stopItestContainer)
+
+project.tasks.release.dependsOn([project.tasks.integrationTest, project.tasks.build])
+project.tasks.release.finalizedBy(project.tasks.forkedUploadRelease)
+project.tasks.jacocoTestReport.dependsOn(project.tasks.test)
+project.tasks.check.dependsOn(project.tasks.jacocoTestReport)

examples/pom.xml

@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.hierynomus</groupId>
             <artifactId>sshj</artifactId>
-            <version>0.19.0</version>
+            <version>0.24.0</version>
         </dependency>
     </dependencies>
 

examples/src/main/java/net/schmizz/sshj/examples/Exec.java

@@ -5,30 +5,36 @@ import net.schmizz.sshj.common.IOUtils;
 import net.schmizz.sshj.connection.channel.direct.Session;
 import net.schmizz.sshj.connection.channel.direct.Session.Command;
 
+import java.io.Console;
 import java.io.IOException;
 import java.util.concurrent.TimeUnit;
 
 /** This examples demonstrates how a remote command can be executed. */
 public class Exec {
+    private static final Console con = System.console();
 
     public static void main(String... args)
             throws IOException {
         final SSHClient ssh = new SSHClient();
         ssh.loadKnownHosts();
-
         ssh.connect("localhost");
+        Session session = null;
         try {
             ssh.authPublickey(System.getProperty("user.name"));
-            final Session session = ssh.startSession();
-            try {
-                final Command cmd = session.exec("ping -c 1 google.com");
-                System.out.println(IOUtils.readFully(cmd.getInputStream()).toString());
-                cmd.join(5, TimeUnit.SECONDS);
-                System.out.println("\n** exit status: " + cmd.getExitStatus());
-            } finally {
-                session.close();
-            }
+            session = ssh.startSession();
+            final Command cmd = session.exec("ping -c 1 google.com");
+            con.writer().print(IOUtils.readFully(cmd.getInputStream()).toString());
+            cmd.join(5, TimeUnit.SECONDS);
+            con.writer().print("\n** exit status: " + cmd.getExitStatus());
         } finally {
+            try {
+                if (session != null) {
+                    session.close();
+                }
+            } catch (IOException e) {
+                // Do Nothing   
+            }
+            
             ssh.disconnect();
         }
     }

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.3-all.zip

src/itest/docker-image/Dockerfile

@@ -0,0 +1,23 @@
+FROM sickp/alpine-sshd:7.5-r2
+
+ADD authorized_keys /home/sshj/.ssh/authorized_keys
+
+ADD test-container/ssh_host_ecdsa_key     /etc/ssh/ssh_host_ecdsa_key
+ADD test-container/ssh_host_ecdsa_key.pub /etc/ssh/ssh_host_ecdsa_key.pub
+ADD test-container/ssh_host_ed25519_key   /etc/ssh/ssh_host_ed25519_key
+ADD test-container/ssh_host_ed25519_key.pub   /etc/ssh/ssh_host_ed25519_key.pub
+ADD test-container/sshd_config /etc/ssh/sshd_config
+
+RUN apk add --no-cache tini
+RUN \
+  echo "root:smile" | chpasswd && \
+  adduser -D -s /bin/ash sshj && \
+  passwd -u sshj && \
+  chmod 600 /home/sshj/.ssh/authorized_keys && \
+  chmod 600 /etc/ssh/ssh_host_ecdsa_key && \
+  chmod 644 /etc/ssh/ssh_host_ecdsa_key.pub && \
+  chmod 600 /etc/ssh/ssh_host_ed25519_key && \
+  chmod 644 /etc/ssh/ssh_host_ed25519_key.pub && \
+  chown -R sshj:sshj /home/sshj
+
+ENTRYPOINT ["/sbin/tini", "/entrypoint.sh"]

src/itest/docker-image/authorized_keys

@@ -0,0 +1,7 @@
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOEQcvowiV3igdRO7rKPrZrao1hCQrnC4tgsxqSJdQCbABI+vHrdbJRfWZNuSk48aAtARJzJVmkn/r63EPJgkh8= root@itgcpkerberosstack-cbgateway-0-20151117031915
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHQiZm0wBbmI8gohA/N9ir1O+egikL6S9FjZS8GHbx4rTHI1V+vbXxx2O9bFWtep1PFb4iowtZkxf6gvRjGkL6M= ajvanerp@Heimdall.local
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDAdJiRkkBM8yC8seTEoAn2PfwbLKrkcahZ0xxPoWICJ root@sshj
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ8ww4hJG/gHJYdkjTTBDF1GNz+228nuWprPV+NbQauA ajvanerp@Heimdall.local
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOaWrwt3drIOjeBq2LSHRavxAT7ja2f+5soOUJl/zKSI ajvanerp@Heimdall.xebialabs.com
+ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAoZ9l6Tkm2aL1tSBy2yw4xU5s8BE9MfqS/4J7DzvsYJxF6oQmTIjmStuhH/CT7UjuDtKXdXZUsIhKtafiizxGO8kHSzKDeitpth2RSr8ddMzZKyD6RNs7MfsgjA3UTtrrSrCXEY6O43S2cnuJrWzkPxtwxaQ3zOvDbS2tiulzyq0VzYmuhA/a4CyuQtJBuu+P2oqmu6pU/VB6IzONpvBvYbNPsH1WDmP7zko5wHPihXPCliztspKxS4DRtOZ7BGXyvg44UmIy0Kf4jOkaBV/eCCA4qH7ZHz71/5ceMOpszPcNOEmLGGYhwI+P3OuGMpkrSAv1f8IY6R8spZNncP6UaQ== no-passphrase
+ssh-rsa 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 ajvanerp@Heimdall.local

src/itest/docker-image/test-container/ssh_host_ecdsa_key

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIOpOBFjqe0hjK/hs4WZ3dZqnzanq1L3/JbvV1TCkbe4ToAoGCCqGSM49
+AwEHoUQDQgAEVzkrS7Yj0nXML7A3mE08YDthfBR/ZbyYJDIq1vTzcqs6KTaCT529
+swNXWLHO+mbHviZcRiI57ULXHZ1emom/Jw==
+-----END EC PRIVATE KEY-----

src/itest/docker-image/test-container/ssh_host_ecdsa_key.pub

@@ -0,0 +1 @@
+ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFc5K0u2I9J1zC+wN5hNPGA7YXwUf2W8mCQyKtb083KrOik2gk+dvbMDV1ixzvpmx74mXEYiOe1C1x2dXpqJvyc= root@404b27be2bf4

src/itest/docker-image/test-container/ssh_host_ed25519_key

@@ -0,0 +1,7 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACBFG9PKAq8FtH0me+LHUE6YaVANCMqy/Znkffzief1W/gAAAKCyyoBkssqA
+ZAAAAAtzc2gtZWQyNTUxOQAAACBFG9PKAq8FtH0me+LHUE6YaVANCMqy/Znkffzief1W/g
+AAAED+Yfza2xk5LqP9pN6TpvhWYP0L60zOQJpHhbEuiS3LLkUb08oCrwW0fSZ74sdQTphp
+UA0IyrL9meR9/OJ5/Vb+AAAAF2FqdmFuZXJwQEhlaW1kYWxsLmxvY2FsAQIDBAUG
+-----END OPENSSH PRIVATE KEY-----

src/itest/docker-image/test-container/ssh_host_ed25519_key.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEUb08oCrwW0fSZ74sdQTphpUA0IyrL9meR9/OJ5/Vb+ ajvanerp@Heimdall.local

src/itest/docker-image/test-container/sshd_config

@@ -0,0 +1,132 @@
+#	$OpenBSD: sshd_config,v 1.101 2017/03/14 07:19:07 djm Exp $
+
+# This is the sshd server system-wide configuration file.  See
+# sshd_config(5) for more information.
+
+# This sshd was compiled with PATH=/bin:/usr/bin:/sbin:/usr/sbin
+
+# The strategy used for options in the default sshd_config shipped with
+# OpenSSH is to specify options with their default value where
+# possible, but leave them commented.  Uncommented options override the
+# default value.
+
+#Port 22
+#AddressFamily any
+#ListenAddress 0.0.0.0
+#ListenAddress ::
+
+#HostKey /etc/ssh/ssh_host_rsa_key
+#HostKey /etc/ssh/ssh_host_dsa_key
+#HostKey /etc/ssh/ssh_host_ecdsa_key
+#HostKey /etc/ssh/ssh_host_ed25519_key
+
+# Ciphers and keying
+#RekeyLimit default none
+
+# Logging
+#SyslogFacility AUTH
+#LogLevel INFO
+
+# Authentication:
+
+#LoginGraceTime 2m
+PermitRootLogin yes
+#StrictModes yes
+#MaxAuthTries 6
+#MaxSessions 10
+
+#PubkeyAuthentication yes
+
+# The default is to check both .ssh/authorized_keys and .ssh/authorized_keys2
+# but this is overridden so installations will only check .ssh/authorized_keys
+AuthorizedKeysFile	.ssh/authorized_keys
+
+#AuthorizedPrincipalsFile none
+
+#AuthorizedKeysCommand none
+#AuthorizedKeysCommandUser nobody
+
+# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
+#HostbasedAuthentication no
+# Change to yes if you don't trust ~/.ssh/known_hosts for
+# HostbasedAuthentication
+#IgnoreUserKnownHosts no
+# Don't read the user's ~/.rhosts and ~/.shosts files
+#IgnoreRhosts yes
+
+# To disable tunneled clear text passwords, change to no here!
+#PasswordAuthentication yes
+#PermitEmptyPasswords no
+
+# Change to no to disable s/key passwords
+#ChallengeResponseAuthentication yes
+
+# Kerberos options
+#KerberosAuthentication no
+#KerberosOrLocalPasswd yes
+#KerberosTicketCleanup yes
+#KerberosGetAFSToken no
+
+# GSSAPI options
+#GSSAPIAuthentication no
+#GSSAPICleanupCredentials yes
+
+# Set this to 'yes' to enable PAM authentication, account processing,
+# and session processing. If this is enabled, PAM authentication will
+# be allowed through the ChallengeResponseAuthentication and
+# PasswordAuthentication.  Depending on your PAM configuration,
+# PAM authentication via ChallengeResponseAuthentication may bypass
+# the setting of "PermitRootLogin without-password".
+# If you just want the PAM account and session checks to run without
+# PAM authentication, then enable this but set PasswordAuthentication
+# and ChallengeResponseAuthentication to 'no'.
+#UsePAM no
+
+#AllowAgentForwarding yes
+#AllowTcpForwarding yes
+#GatewayPorts no
+#X11Forwarding no
+#X11DisplayOffset 10
+#X11UseLocalhost yes
+#PermitTTY yes
+#PrintMotd yes
+#PrintLastLog yes
+#TCPKeepAlive yes
+#UseLogin no
+#PermitUserEnvironment no
+#Compression delayed
+#ClientAliveInterval 0
+#ClientAliveCountMax 3
+#UseDNS no
+#PidFile /run/sshd.pid
+#MaxStartups 10:30:100
+#PermitTunnel no
+#ChrootDirectory none
+#VersionAddendum none
+
+# no default banner path
+#Banner none
+
+# override default of no subsystems
+Subsystem	sftp	/usr/lib/ssh/sftp-server
+
+# the following are HPN related configuration options
+# tcp receive buffer polling. disable in non autotuning kernels
+#TcpRcvBufPoll yes
+
+# disable hpn performance boosts
+#HPNDisabled no
+
+# buffer size for hpn to non-hpn connections
+#HPNBufferSize 2048
+
+
+# Example of overriding settings on a per-user basis
+#Match User anoncvs
+#	X11Forwarding no
+#	AllowTcpForwarding no
+#	PermitTTY no
+#	ForceCommand cvs server
+
+KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1
+macs umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160@openssh.com

src/itest/groovy/com/hierynomus/sshj/IntegrationBaseSpec.groovy

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj
+
+import net.schmizz.sshj.Config
+import net.schmizz.sshj.DefaultConfig
+import net.schmizz.sshj.SSHClient
+import net.schmizz.sshj.transport.verification.PromiscuousVerifier
+import spock.lang.Specification
+
+class IntegrationBaseSpec extends Specification {
+    protected static final int DOCKER_PORT = 2222
+    protected static final String USERNAME = "sshj"
+    protected static final String KEYFILE = "src/itest/resources/keyfiles/id_rsa"
+    protected final static String SERVER_IP = System.getProperty("serverIP", "127.0.0.1")
+
+    protected static SSHClient getConnectedClient(Config config) {
+        SSHClient sshClient = new SSHClient(config)
+        sshClient.addHostKeyVerifier(new PromiscuousVerifier())
+        sshClient.connect(SERVER_IP, DOCKER_PORT)
+
+        return sshClient
+    }
+
+    protected static SSHClient getConnectedClient() throws IOException {
+        return getConnectedClient(new DefaultConfig())
+    }
+
+}

src/itest/groovy/com/hierynomus/sshj/IntegrationSpec.groovy

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj
+
+import com.hierynomus.sshj.signature.SignatureEdDSA
+import net.schmizz.sshj.DefaultConfig
+import net.schmizz.sshj.SSHClient
+import net.schmizz.sshj.signature.SignatureECDSA
+import net.schmizz.sshj.transport.TransportException
+import net.schmizz.sshj.userauth.UserAuthException
+import spock.lang.Unroll
+
+class IntegrationSpec extends IntegrationBaseSpec {
+
+    @Unroll
+    def "should accept correct key for #signatureName"() {
+        given:
+        def config = new DefaultConfig()
+        config.setSignatureFactories(signatureFactory)
+        SSHClient sshClient = new SSHClient(config)
+        sshClient.addHostKeyVerifier(fingerprint) // test-containers/ssh_host_ecdsa_key's fingerprint
+
+        when:
+        sshClient.connect(SERVER_IP, DOCKER_PORT)
+
+        then:
+        sshClient.isConnected()
+
+        where:
+        signatureFactory << [new SignatureECDSA.Factory256(), new SignatureEdDSA.Factory()]
+        fingerprint << ["d3:6a:a9:52:05:ab:b5:48:dd:73:60:18:0c:3a:f0:a3", "dc:68:38:ce:fc:6f:2c:d6:6d:6b:34:eb:5c:f0:41:6a"]
+        signatureName = signatureFactory.getName()
+    }
+
+    def "should decline wrong key"() throws IOException {
+        given:
+        SSHClient sshClient = new SSHClient(new DefaultConfig())
+        sshClient.addHostKeyVerifier("d4:6a:a9:52:05:ab:b5:48:dd:73:60:18:0c:3a:f0:a3")
+
+        when:
+        sshClient.connect(SERVER_IP, DOCKER_PORT)
+
+        then:
+        thrown(TransportException.class)
+    }
+
+    @Unroll
+    def "should authenticate with key #key"() {
+        given:
+        SSHClient client = getConnectedClient()
+
+        when:
+        def keyProvider = passphrase != null ? client.loadKeys("src/itest/resources/keyfiles/$key", passphrase) : client.loadKeys("src/itest/resources/keyfiles/$key")
+        client.authPublickey(USERNAME, keyProvider)
+
+        then:
+        client.isAuthenticated()
+
+        where:
+        key | passphrase
+//        "id_ecdsa_nistp256" | null // TODO: Need to improve PKCS8 key support.
+        "id_ecdsa_opensshv1" | null
+        "id_ed25519_opensshv1" | null
+        "id_ed25519_opensshv1_aes256cbc.pem" | "foobar"
+        "id_ed25519_opensshv1_protected" | "sshjtest"
+        "id_rsa" | null
+        "id_rsa_opensshv1" | null
+    }
+
+   def "should not authenticate with wrong key"() {
+        given:
+        SSHClient client = getConnectedClient()
+
+        when:
+        client.authPublickey("sshj", "src/itest/resources/keyfiles/id_unknown_key")
+
+        then:
+        thrown(UserAuthException.class)
+        !client.isAuthenticated()
+    }
+}

src/itest/groovy/com/hierynomus/sshj/sftp/FileWriteSpec.groovy

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj.sftp
+
+import com.hierynomus.sshj.IntegrationBaseSpec
+import net.schmizz.sshj.SSHClient
+import net.schmizz.sshj.sftp.OpenMode
+import net.schmizz.sshj.sftp.RemoteFile
+import net.schmizz.sshj.sftp.SFTPClient
+
+import java.nio.charset.StandardCharsets
+
+import static org.codehaus.groovy.runtime.IOGroovyMethods.withCloseable
+
+class FileWriteSpec extends IntegrationBaseSpec {
+
+    def "should append to file (GH issue #390)"() {
+        given:
+        SSHClient client = getConnectedClient()
+        client.authPublickey("sshj", "src/test/resources/id_rsa")
+        SFTPClient sftp = client.newSFTPClient()
+        def file = "/home/sshj/test.txt"
+        def initialText = "This is the initial text.\n".getBytes(StandardCharsets.UTF_16)
+        def appendText = "And here's the appended text.\n".getBytes(StandardCharsets.UTF_16)
+
+        when:
+        withCloseable(sftp.open(file, EnumSet.of(OpenMode.WRITE, OpenMode.CREAT))) { RemoteFile initial ->
+            initial.write(0, initialText, 0, initialText.length)
+        }
+
+        then:
+        withCloseable(sftp.open(file, EnumSet.of(OpenMode.READ))) { RemoteFile read ->
+            def bytes = new byte[initialText.length]
+            read.read(0, bytes, 0, bytes.length)
+            bytes == initialText
+        }
+
+        when:
+        withCloseable(sftp.open(file, EnumSet.of(OpenMode.WRITE, OpenMode.APPEND))) { RemoteFile append ->
+            append.write(0, appendText, 0, appendText.length)
+        }
+
+        then:
+        withCloseable(sftp.open(file, EnumSet.of(OpenMode.READ))) { RemoteFile read ->
+            def bytes = new byte[initialText.length + appendText.length]
+            read.read(0, bytes, 0, bytes.length)
+            Arrays.copyOfRange(bytes, 0, initialText.length) == initialText
+            Arrays.copyOfRange(bytes, initialText.length, initialText.length + appendText.length) == appendText
+        }
+
+        cleanup:
+        sftp.close()
+        client.close()
+    }
+}

src/itest/groovy/com/hierynomus/sshj/transport/kex/KexSpec.groovy

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj.transport.kex
+
+import com.hierynomus.sshj.IntegrationBaseSpec
+import com.hierynomus.sshj.transport.mac.Macs
+import net.schmizz.sshj.DefaultConfig
+import net.schmizz.sshj.transport.kex.Curve25519DH
+import net.schmizz.sshj.transport.kex.Curve25519SHA256
+import net.schmizz.sshj.transport.kex.DH
+import net.schmizz.sshj.transport.kex.DHGexSHA1
+import net.schmizz.sshj.transport.kex.DHGexSHA256
+import net.schmizz.sshj.transport.kex.ECDH
+import net.schmizz.sshj.transport.kex.ECDHNistP
+import spock.lang.Unroll
+
+class KexSpec extends IntegrationBaseSpec {
+
+    @Unroll
+    def "should correctly connect with #kex Key Exchange"() {
+        given:
+        def cfg = new DefaultConfig()
+        cfg.setKeyExchangeFactories(kexFactory)
+        def client = getConnectedClient(cfg)
+
+        when:
+        client.authPublickey(USERNAME, KEYFILE)
+
+        then:
+        client.authenticated
+
+        where:
+        kexFactory << [DHGroups.Group1SHA1(),
+                       DHGroups.Group14SHA1(),
+                       DHGroups.Group14SHA256(),
+                       DHGroups.Group16SHA512(),
+                       DHGroups.Group18SHA512(),
+                       new DHGexSHA1.Factory(),
+                       new DHGexSHA256.Factory(),
+                       new Curve25519SHA256.Factory(),
+                       new Curve25519SHA256.FactoryLibSsh(),
+                       new ECDHNistP.Factory256(),
+                       new ECDHNistP.Factory384(),
+                       new ECDHNistP.Factory521()]
+        kex = kexFactory.name
+    }
+
+}

src/itest/groovy/com/hierynomus/sshj/transport/mac/MacSpec.groovy

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj.transport.mac
+
+import com.hierynomus.sshj.IntegrationBaseSpec
+import net.schmizz.sshj.DefaultConfig
+import net.schmizz.sshj.transport.mac.HMACRIPEMD160
+import net.schmizz.sshj.transport.mac.HMACSHA2256
+import spock.lang.AutoCleanup
+import spock.lang.Unroll
+
+class MacSpec extends IntegrationBaseSpec {
+
+    @Unroll
+    def "should correctly connect with #mac MAC"() {
+        given:
+        def cfg = new DefaultConfig()
+        cfg.setMACFactories(macFactory)
+        def client = getConnectedClient(cfg)
+
+        when:
+        client.authPublickey(USERNAME, KEYFILE)
+
+        then:
+        client.authenticated
+
+        cleanup:
+        client.disconnect()
+
+        where:
+        macFactory << [Macs.HMACRIPEMD160(), Macs.HMACRIPEMD160OpenSsh(), Macs.HMACSHA2256(), Macs.HMACSHA2512()]
+        mac = macFactory.name
+    }
+
+    @Unroll
+    def "should correctly connect with Encrypt-Then-Mac #mac MAC"() {
+        given:
+        def cfg = new DefaultConfig()
+        cfg.setMACFactories(macFactory)
+        def client = getConnectedClient(cfg)
+
+        when:
+        client.authPublickey(USERNAME, KEYFILE)
+
+        then:
+        client.authenticated
+
+        cleanup:
+        client.disconnect()
+
+        where:
+        macFactory << [Macs.HMACRIPEMD160Etm(), Macs.HMACSHA2256Etm(), Macs.HMACSHA2512Etm()]
+        mac = macFactory.name
+    }
+}

src/itest/resources/keyfiles/id_ecdsa_nistp256

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIJUMlsSlXqCZmCjlN4kV7hzP+p9pu0fwJ8r4m1qle58SoAoGCCqGSM49
+AwEHoUQDQgAE4RBy+jCJXeKB1E7uso+tmtqjWEJCucLi2CzGpIl1AJsAEj68et1s
+lF9Zk25KTjxoC0BEnMlWaSf+vrcQ8mCSHw==
+-----END EC PRIVATE KEY-----

src/itest/resources/keyfiles/id_ecdsa_opensshv1

@@ -0,0 +1,9 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
+1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQR0ImZtMAW5iPIKIQPzfYq9TvnoIpC+
+kvRY2UvBh28eK0xyNVfr218cdjvWxVrXqdTxW+IqMLWZMX+oL0YxpC+jAAAAsD+6Oow/uj
+qMAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHQiZm0wBbmI8goh
+A/N9ir1O+egikL6S9FjZS8GHbx4rTHI1V+vbXxx2O9bFWtep1PFb4iowtZkxf6gvRjGkL6
+MAAAAgXNC11pInVAOd3xNphiHMoISeitf6h1IKbDM+niLrL5kAAAAXYWp2YW5lcnBASGVp
+bWRhbGwubG9jYWwB
+-----END OPENSSH PRIVATE KEY-----

src/itest/resources/keyfiles/id_ed25519_opensshv1

@@ -0,0 +1,7 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACAwHSYkZJATPMgvLHkxKAJ9j38Gyyq5HGoWdMcT6FiAiQAAAJDimgR84poE
+fAAAAAtzc2gtZWQyNTUxOQAAACAwHSYkZJATPMgvLHkxKAJ9j38Gyyq5HGoWdMcT6FiAiQ
+AAAECmsckQycWnfGQK6XtQpaMGODbAkMQOdJNK6XJSipB7dDAdJiRkkBM8yC8seTEoAn2P
+fwbLKrkcahZ0xxPoWICJAAAACXJvb3RAc3NoagECAwQ=
+-----END OPENSSH PRIVATE KEY-----

src/itest/resources/keyfiles/id_ed25519_opensshv1_aes256cbc.pem

@@ -0,0 +1,8 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jYmMAAAAGYmNyeXB0AAAAGAAAABBLQVXV9f
+Wpw8AL9RTpAr//AAAAEAAAAAEAAAAzAAAAC3NzaC1lZDI1NTE5AAAAIJ8ww4hJG/gHJYdk
+jTTBDF1GNz+228nuWprPV+NbQauAAAAAoGHEO7x3fSRBohvrIR52U4XD3uqRnhrPYm01k1
+f4HHNNv46m92Zw6JKIB9Trrvp0sdMI8MVb79bN45rbn6mvpABtWl6T5TOTyMnKzDfAOx9c
+FTaasWFmgtgkXOsu5pLrYBAQgCHWbzjjz6KoV1DmD4SAn9Ojf9Oh+YdAEKZcsvklgpu+Kj
+nzN/DR0jt7Nzep2kNCLAS24QEkvQeATVSDiL8=
+-----END OPENSSH PRIVATE KEY-----

src/itest/resources/keyfiles/id_ed25519_opensshv1_protected

@@ -0,0 +1,8 @@
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABB/aWL0WG
+iYPOTxGlFwvaCNAAAAEAAAAAEAAAAzAAAAC3NzaC1lZDI1NTE5AAAAIOaWrwt3drIOjeBq
+2LSHRavxAT7ja2f+5soOUJl/zKSIAAAAsKplAiFbOhzcOJYFYBYm8sqYbvhPF8jKdQFkbo
+LAOeq+vQ0YBV9XUWQQM2tmL+RPjykPJZ2thcHLpVp3PfUEgo4bImCt939b3Ji3cEwD3QuK
+MIhjhx1KvSJNF/uhjwPJnttwHG+ld8F5Gv7LpTOUmOzXKGLIgYRuwonhs5ezdNv5ERs+Cq
+M9p/SW5ehL5KPJhGa5a+ZQXRojwEH7J4Q5xztH1gviTdIEpFWWQBH8rX6y
+-----END OPENSSH PRIVATE KEY-----

src/itest/resources/keyfiles/id_rsa

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEoAIBAAKCAQEAoZ9l6Tkm2aL1tSBy2yw4xU5s8BE9MfqS/4J7DzvsYJxF6oQm
+TIjmStuhH/CT7UjuDtKXdXZUsIhKtafiizxGO8kHSzKDeitpth2RSr8ddMzZKyD6
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+hA/a4CyuQtJBuu+P2oqmu6pU/VB6IzONpvBvYbNPsH1WDmP7zko5wHPihXPClizt
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+1i1ybGcF+rrR/Q34a2dgCpZDEwFiDTlcv1hxx689OXTf5cMPXGDZXX5udd9p7Wxa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+-----END RSA PRIVATE KEY-----

src/itest/resources/keyfiles/id_rsa_opensshv1

@@ -0,0 +1,49 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----

src/itest/resources/keyfiles/id_unknown_key

@@ -0,0 +1,15 @@
+-----BEGIN DSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: DES-EDE3-CBC,9B6744BB12A8EA8F
+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+-----END DSA PRIVATE KEY-----

src/main/java/com/hierynomus/sshj/backport/Jdk7HttpProxySocket.java

@@ -15,12 +15,12 @@
  */
 package com.hierynomus.sshj.backport;
 
+import net.schmizz.sshj.common.IOUtils;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.*;
 
-import net.schmizz.sshj.common.IOUtils;
-
 public class Jdk7HttpProxySocket extends Socket {
 
     private Proxy httpProxy = null;

src/main/java/com/hierynomus/sshj/signature/Ed25519PublicKey.java

@@ -23,8 +23,6 @@ import net.schmizz.sshj.common.SSHRuntimeException;
 
 import java.util.Arrays;
 
-import static net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable.CURVE_ED25519_SHA512;
-
 /**
  * Our own extension of the EdDSAPublicKey that comes from ECC-25519, as that class does not implement equality.
  * The code uses the equality of the keys as an indicator whether they're the same during host key verification.
@@ -34,7 +32,7 @@ public class Ed25519PublicKey extends EdDSAPublicKey {
     public Ed25519PublicKey(EdDSAPublicKeySpec spec) {
         super(spec);
 
-        EdDSANamedCurveSpec ed25519 = EdDSANamedCurveTable.getByName(CURVE_ED25519_SHA512);
+        EdDSANamedCurveSpec ed25519 = EdDSANamedCurveTable.getByName("Ed25519");
         if (!spec.getParams().getCurve().equals(ed25519.getCurve())) {
             throw new SSHRuntimeException("Cannot create Ed25519 Public Key from wrong spec");
         }

src/main/java/com/hierynomus/sshj/signature/SignatureEdDSA.java

@@ -16,14 +16,16 @@
 package com.hierynomus.sshj.signature;
 
 import net.i2p.crypto.eddsa.EdDSAEngine;
-import net.schmizz.sshj.common.Buffer;
 import net.schmizz.sshj.common.KeyType;
 import net.schmizz.sshj.common.SSHRuntimeException;
+import net.schmizz.sshj.signature.AbstractSignature;
 import net.schmizz.sshj.signature.Signature;
 
-import java.security.*;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SignatureException;
 
-public class SignatureEdDSA implements Signature {
+public class SignatureEdDSA extends AbstractSignature {
     public static class Factory implements net.schmizz.sshj.common.Factory.Named<Signature> {
 
         @Override
@@ -37,54 +39,18 @@ public class SignatureEdDSA implements Signature {
         }
     }
 
-    final EdDSAEngine engine;
+    SignatureEdDSA() {
+        super(getEngine());
+    }
 
-    protected SignatureEdDSA() {
+    private static EdDSAEngine getEngine() {
         try {
-            engine = new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
+            return new EdDSAEngine(MessageDigest.getInstance("SHA-512"));
         } catch (NoSuchAlgorithmException e) {
             throw new SSHRuntimeException(e);
         }
     }
 
-    @Override
-    public void init(PublicKey pubkey, PrivateKey prvkey) {
-        try {
-            if (pubkey != null) {
-                engine.initVerify(pubkey);
-            }
-
-            if (prvkey != null) {
-                engine.initSign(prvkey);
-            }
-        } catch (InvalidKeyException e) {
-            throw new SSHRuntimeException(e);
-        }
-    }
-
-    @Override
-    public void update(byte[] H) {
-        update(H, 0, H.length);
-    }
-
-    @Override
-    public void update(byte[] H, int off, int len) {
-        try {
-            engine.update(H, off, len);
-        } catch (SignatureException e) {
-            throw new SSHRuntimeException(e);
-        }
-    }
-
-    @Override
-    public byte[] sign() {
-        try {
-            return engine.sign();
-        } catch (SignatureException e) {
-            throw new SSHRuntimeException(e);
-        }
-    }
-
     @Override
     public byte[] encode(byte[] signature) {
         return signature;
@@ -93,17 +59,9 @@ public class SignatureEdDSA implements Signature {
     @Override
     public boolean verify(byte[] sig) {
         try {
-            Buffer.PlainBuffer plainBuffer = new Buffer.PlainBuffer(sig);
-            String algo = plainBuffer.readString();
-            if (!"ssh-ed25519".equals(algo)) {
-                throw new SSHRuntimeException("Expected 'ssh-ed25519' key algorithm, but was: " + algo);
-            }
-            byte[] bytes = plainBuffer.readBytes();
-            return engine.verify(bytes);
+            return signature.verify(extractSig(sig, "ssh-ed25519"));
         } catch (SignatureException e) {
             throw new SSHRuntimeException(e);
-        } catch (Buffer.BufferException e) {
-            throw new SSHRuntimeException(e);
         }
     }
 }

src/main/java/com/hierynomus/sshj/transport/cipher/BlockCiphers.java

@@ -19,14 +19,15 @@ import net.schmizz.sshj.transport.cipher.BlockCipher;
 import net.schmizz.sshj.transport.cipher.Cipher;
 
 /**
- * All BlockCiphers supported by SSH according to the following RFCs
+ * All BlockCiphers supported by SSH according to the following RFCs:
  *
- * - https://tools.ietf.org/html/rfc4344#section-3.1
- * - https://tools.ietf.org/html/rfc4253#section-6.3
+ * <ul>
+ *   <li>https://tools.ietf.org/html/rfc4344#section-3.1</li>
+ *   <li>https://tools.ietf.org/html/rfc4253#section-6.3</li>
+ *   <li>TODO: https://tools.ietf.org/html/rfc5647</li>
+ * </ul>
  *
- * TODO: https://tools.ietf.org/html/rfc5647
- *
- * Some of the Ciphers are still implemented in net.schmizz.sshj.transport.cipher.*. These are scheduled to be migrated to here.
+ * Some of the Ciphers are still implemented in net.schmizz.sshj.transport.cipher.*. These are deprecated and scheduled to be removed.
  */
 @SuppressWarnings("PMD.MethodNamingConventions")
 public class BlockCiphers {
@@ -34,9 +35,30 @@ public class BlockCiphers {
     public static final String COUNTER_MODE = "CTR";
     public static final String CIPHER_BLOCK_CHAINING_MODE = "CBC";
 
+    public static Factory AES128CTR() {
+        return new Factory(16, 128, "aes128-ctr", "AES", COUNTER_MODE);
+    }
+    public static Factory AES192CTR() {
+        return new Factory(16, 192, "aes192-ctr", "AES", COUNTER_MODE);
+    }
+    public static Factory AES256CTR() {
+        return new Factory(16, 256, "aes256-ctr", "AES", COUNTER_MODE);
+    }
+    public static Factory AES128CBC() {
+        return new Factory(16, 128, "aes128-cbc", "AES", CIPHER_BLOCK_CHAINING_MODE);
+    }
+    public static Factory AES192CBC() {
+        return new Factory(16, 192, "aes192-cbc", "AES", CIPHER_BLOCK_CHAINING_MODE);
+    }
+    public static Factory AES256CBC() {
+        return new Factory(16, 256, "aes256-cbc", "AES", CIPHER_BLOCK_CHAINING_MODE);
+    }
     public static Factory BlowfishCTR() {
         return new Factory(8, 256, "blowfish-ctr", "Blowfish", COUNTER_MODE);
     }
+    public static Factory BlowfishCBC() {
+        return new Factory(8, 128, "blowfish-cbc", "Blowfish", CIPHER_BLOCK_CHAINING_MODE);
+    }
     public static Factory Twofish128CTR() {
         return new Factory(16, 128, "twofish128-ctr", "Twofish", COUNTER_MODE);
     }
@@ -91,6 +113,9 @@ public class BlockCiphers {
     public static Factory TripleDESCTR() {
         return new Factory(8, 192, "3des-ctr", "DESede", COUNTER_MODE);
     }
+    public static Factory TripleDESCBC() {
+        return new Factory(8, 192, "3des-cbc", "DESede", CIPHER_BLOCK_CHAINING_MODE);
+    }
 
     /** Named factory for BlockCipher */
     public static class Factory

src/main/java/com/hierynomus/sshj/transport/kex/DHGroups.java

@@ -15,14 +15,15 @@
  */
 package com.hierynomus.sshj.transport.kex;
 
-import net.schmizz.sshj.transport.digest.*;
+import net.schmizz.sshj.transport.digest.Digest;
+import net.schmizz.sshj.transport.digest.SHA1;
+import net.schmizz.sshj.transport.digest.SHA256;
+import net.schmizz.sshj.transport.digest.SHA512;
 import net.schmizz.sshj.transport.kex.KeyExchange;
 
 import java.math.BigInteger;
 
 import static net.schmizz.sshj.transport.kex.DHGroupData.*;
-import static net.schmizz.sshj.transport.kex.DHGroupData.P16;
-import static net.schmizz.sshj.transport.kex.DHGroupData.P18;
 
 /**
  * Factory methods for Diffie Hellmann KEX algorithms based on MODP groups / Oakley Groups

src/main/java/com/hierynomus/sshj/transport/mac/Macs.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.hierynomus.sshj.transport.mac;
+
+import net.schmizz.sshj.transport.mac.BaseMAC;
+import net.schmizz.sshj.transport.mac.MAC;
+
+@SuppressWarnings("PMD.MethodNamingConventions")
+public class Macs {
+    public static Factory HMACMD5() {
+        return new Factory("hmac-md5", "HmacMD5", 16, 16, false);
+    }
+    public static Factory HMACMD596() {
+        return new Factory("hmac-md5-96", "HmacMD5", 12, 16, false);
+    }
+    public static Factory HMACMD5Etm() {
+        return new Factory("hmac-md5-etm@openssh.com", "HmacMD5", 16, 16, true);
+    }
+    public static Factory HMACMD596Etm() {
+        return new Factory("hmac-md5-96-etm@openssh.com", "HmacMD5", 12, 16, true);
+    }
+    public static Factory HMACRIPEMD160() {
+        return new Factory("hmac-ripemd160", "HMACRIPEMD160", 20, 20, false);
+    }
+    public static Factory HMACRIPEMD16096() {
+        return new Factory("hmac-ripemd160-96", "HMACRIPEMD160", 12, 20, false);
+    }
+    public static Factory HMACRIPEMD160Etm() {
+        return new Factory("hmac-ripemd160-etm@openssh.com", "HMACRIPEMD160", 20, 20, true);
+    }
+    public static Factory HMACRIPEMD160OpenSsh() {
+        return new Factory("hmac-ripemd160@openssh.com", "HMACRIPEMD160", 20, 20, false);
+    }
+    public static Factory HMACSHA1() {
+        return new Factory("hmac-sha1", "HmacSHA1", 20, 20, false);
+    }
+    public static Factory HMACSHA196() {
+        return new Factory("hmac-sha1-96", "HmacSHA1", 12, 20, false);
+    }
+    public static Factory HMACSHA1Etm() {
+        return new Factory("hmac-sha1-etm@openssh.com", "HmacSHA1", 20, 20, true);
+    }
+    public static Factory HMACSHA196Etm() {
+        return new Factory("hmac-sha1-96@openssh.com", "HmacSHA1", 12, 20, true);
+    }
+    public static Factory HMACSHA2256() {
+        return new Factory("hmac-sha2-256", "HmacSHA256", 32, 32, false);
+    }
+    public static Factory HMACSHA2256Etm() {
+        return new Factory("hmac-sha2-256-etm@openssh.com", "HmacSHA256", 32, 32, true);
+    }
+    public static Factory HMACSHA2512() {
+        return new Factory("hmac-sha2-512", "HmacSHA512", 64, 64, false);
+    }
+    public static Factory HMACSHA2512Etm() {
+        return new Factory("hmac-sha2-512-etm@openssh.com", "HmacSHA512", 64, 64, true);
+    }
+
+    public static class Factory implements net.schmizz.sshj.common.Factory.Named<MAC> {
+
+        private String name;
+        private String algorithm;
+        private int bSize;
+        private int defBSize;
+        private final boolean etm;
+
+        public Factory(String name, String algorithm, int bSize, int defBSize, boolean etm) {
+            this.name = name;
+            this.algorithm = algorithm;
+            this.bSize = bSize;
+            this.defBSize = defBSize;
+            this.etm = etm;
+        }
+
+        @Override
+        public String getName() {
+            return name;
+        }
+
+        @Override
+        public BaseMAC create() {
+            return new BaseMAC(algorithm, bSize, defBSize, etm);
+        }
+    }
+}

src/main/java/com/hierynomus/sshj/transport/verification/KnownHostMatchers.java

@@ -18,7 +18,6 @@ package com.hierynomus.sshj.transport.verification;
 import net.schmizz.sshj.common.Base64;
 import net.schmizz.sshj.common.IOUtils;
 import net.schmizz.sshj.common.SSHException;
-import net.schmizz.sshj.transport.mac.HMACSHA1;
 import net.schmizz.sshj.transport.mac.MAC;
 
 import java.io.IOException;
@@ -26,6 +25,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Pattern;
 
+import com.hierynomus.sshj.transport.mac.Macs;
+
 public class KnownHostMatchers {
 
     public static HostMatcher createMatcher(String hostEntry) throws SSHException {
@@ -63,7 +64,7 @@ public class KnownHostMatchers {
     }
 
     private static class HashedHostMatcher implements HostMatcher {
-        private final MAC sha1 = new HMACSHA1();
+        private final MAC sha1 = Macs.HMACSHA1().create();
         private final String hash;
         private final String salt;
         private byte[] saltyBytes;
@@ -135,7 +136,7 @@ public class KnownHostMatchers {
         private final Pattern pattern;
 
         public WildcardHostMatcher(String hostEntry) {
-            this.pattern = Pattern.compile(hostEntry.replace(".", "\\.").replace("*", ".*").replace("?", "."));
+            this.pattern = Pattern.compile("^" + hostEntry.replace("[", "\\[").replace("]", "\\]").replace(".", "\\.").replace("*", ".*").replace("?", ".") + "$");
         }
 
         @Override

src/main/java/com/hierynomus/sshj/userauth/keyprovider/OpenSSHKeyV1KeyFile.java

@@ -15,24 +15,33 @@
  */
 package com.hierynomus.sshj.userauth.keyprovider;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.security.GeneralSecurityException;
-import java.security.KeyPair;
-import java.security.PublicKey;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
 import net.i2p.crypto.eddsa.EdDSAPrivateKey;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
 import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec;
 import net.schmizz.sshj.common.*;
 import net.schmizz.sshj.common.Buffer.PlainBuffer;
+import net.schmizz.sshj.transport.cipher.Cipher;
 import net.schmizz.sshj.userauth.keyprovider.BaseFileKeyProvider;
 import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
 import net.schmizz.sshj.userauth.keyprovider.KeyFormat;
+import org.bouncycastle.asn1.nist.NISTNamedCurves;
+import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.bouncycastle.jce.spec.ECNamedCurveSpec;
+import org.mindrot.jbcrypt.BCrypt;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import static net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable.CURVE_ED25519_SHA512;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.security.*;
+import java.security.spec.ECPrivateKeySpec;
+import java.security.spec.RSAPrivateKeySpec;
+import java.util.Arrays;
 
 /**
  * Reads a key file in the new OpenSSH format.
@@ -44,6 +53,7 @@ public class OpenSSHKeyV1KeyFile extends BaseFileKeyProvider {
     private static final String END = "-----END ";
     private static final byte[] AUTH_MAGIC = "openssh-key-v1\0".getBytes();
     public static final String OPENSSH_PRIVATE_KEY = "OPENSSH PRIVATE KEY-----";
+    public static final String BCRYPT = "bcrypt";
 
     public static class Factory
             implements net.schmizz.sshj.common.Factory.Named<FileKeyProvider> {
@@ -88,7 +98,7 @@ public class OpenSSHKeyV1KeyFile extends BaseFileKeyProvider {
 
         String cipherName = keyBuffer.readString(); // string ciphername
         String kdfName = keyBuffer.readString(); // string kdfname
-        String kdfOptions = keyBuffer.readString(); // string kdfoptions
+        byte[] kdfOptions = keyBuffer.readBytes(); // string kdfoptions
 
         int nrKeys = keyBuffer.readUInt32AsInt(); // int number of keys N; Should be 1
         if (nrKeys != 1) {
@@ -100,11 +110,49 @@ public class OpenSSHKeyV1KeyFile extends BaseFileKeyProvider {
             logger.debug("Reading unencrypted keypair");
             return readUnencrypted(privateKeyBuffer, publicKey);
         } else {
-            logger.info("Keypair is encrypted with: " + cipherName + ", " + kdfName + ", " + kdfOptions);
-            throw new IOException("Cannot read encrypted keypair with " + cipherName + " yet.");
+            logger.info("Keypair is encrypted with: " + cipherName + ", " + kdfName + ", " + Arrays.toString(kdfOptions));
+            PlainBuffer decrypted = decryptBuffer(privateKeyBuffer, cipherName, kdfName, kdfOptions);
+            return readUnencrypted(decrypted, publicKey);
+//            throw new IOException("Cannot read encrypted keypair with " + cipherName + " yet.");
         }
     }
 
+    private PlainBuffer decryptBuffer(PlainBuffer privateKeyBuffer, String cipherName, String kdfName, byte[] kdfOptions) throws IOException {
+        Cipher cipher = createCipher(cipherName);
+        initializeCipher(kdfName, kdfOptions, cipher);
+        byte[] array = privateKeyBuffer.array();
+        cipher.update(array, 0, privateKeyBuffer.available());
+        return new PlainBuffer(array);
+    }
+
+    private void initializeCipher(String kdfName, byte[] kdfOptions, Cipher cipher) throws Buffer.BufferException {
+        if (kdfName.equals(BCRYPT)) {
+            PlainBuffer opts = new PlainBuffer(kdfOptions);
+            byte[] passphrase = new byte[0];
+            if (pwdf != null) {
+                CharBuffer charBuffer = CharBuffer.wrap(pwdf.reqPassword(null));
+                ByteBuffer byteBuffer = Charset.forName("UTF-8").encode(charBuffer);
+                passphrase = Arrays.copyOfRange(byteBuffer.array(), byteBuffer.position(), byteBuffer.limit());
+            }
+            byte[] keyiv = new byte[48];
+            new BCrypt().pbkdf(passphrase, opts.readBytes(), opts.readUInt32AsInt(), keyiv);
+            byte[] key = Arrays.copyOfRange(keyiv, 0, 32);
+            byte[] iv = Arrays.copyOfRange(keyiv, 32, 48);
+            cipher.init(Cipher.Mode.Decrypt, key, iv);
+        } else {
+            throw new IllegalStateException("No support for KDF '" + kdfName + "'.");
+        }
+    }
+
+    private Cipher createCipher(String cipherName) {
+        if (cipherName.equals(BlockCiphers.AES256CTR().getName())) {
+            return BlockCiphers.AES256CTR().create();
+        } else if (cipherName.equals(BlockCiphers.AES256CBC().getName())) {
+            return BlockCiphers.AES256CBC().create();
+        }
+        throw new IllegalStateException("Cipher '" + cipherName + "' not currently implemented for openssh-key-v1 format");
+    }
+
     private PublicKey readPublicKey(final PlainBuffer plainBuffer) throws Buffer.BufferException, GeneralSecurityException {
         return KeyType.fromString(plainBuffer.readString()).readPubKeyFromBuffer(plainBuffer);
     }
@@ -140,14 +188,41 @@ public class OpenSSHKeyV1KeyFile extends BaseFileKeyProvider {
         }
         // The private key section contains both the public key and the private key
         String keyType = keyBuffer.readString(); // string keytype
-        logger.info("Read key type: {}", keyType);
+        KeyType kt = KeyType.fromString(keyType);
+        logger.info("Read key type: {}", keyType, kt);
+        KeyPair kp;
+        switch (kt) {
+            case ED25519:
+                keyBuffer.readBytes(); // string publickey (again...)
+                keyBuffer.readUInt32(); // length of privatekey+publickey
+                byte[] privKey = new byte[32];
+                keyBuffer.readRawBytes(privKey); // string privatekey
+                keyBuffer.readRawBytes(new byte[32]); // string publickey (again...)
+                kp = new KeyPair(publicKey, new EdDSAPrivateKey(new EdDSAPrivateKeySpec(privKey, EdDSANamedCurveTable.getByName("Ed25519"))));
+                break;
+            case RSA:
+                BigInteger n = keyBuffer.readMPInt(); // Modulus
+                keyBuffer.readMPInt(); // Public Exponent
+                BigInteger d = keyBuffer.readMPInt(); // Private Exponent
+                keyBuffer.readMPInt(); // iqmp (q^-1 mod p)
+                keyBuffer.readMPInt(); // p (Prime 1)
+                keyBuffer.readMPInt(); // q (Prime 2)
+                kp = new KeyPair(publicKey, SecurityUtils.getKeyFactory("RSA").generatePrivate(new RSAPrivateKeySpec(n, d)));
+                break;
+            case ECDSA256:
+                kp = new KeyPair(publicKey, createECDSAPrivateKey(kt, keyBuffer, "P-256"));
+                break;
+            case ECDSA384:
+                kp = new KeyPair(publicKey, createECDSAPrivateKey(kt, keyBuffer, "P-384"));
+                break;
+            case ECDSA521:
+                kp = new KeyPair(publicKey, createECDSAPrivateKey(kt, keyBuffer, "P-521"));
+                break;
 
-        byte[] pubKey = keyBuffer.readBytes(); // string publickey (again...)
-        keyBuffer.readUInt32();
-        byte[] privKey = new byte[32];
-        keyBuffer.readRawBytes(privKey); // string privatekey
-        keyBuffer.readRawBytes(new byte[32]); // string publickey (again...)
-        String comment = keyBuffer.readString(); // string comment
+            default:
+                throw new IOException("Cannot decode keytype " + keyType + " in openssh-key-v1 files (yet).");
+        }
+        keyBuffer.readString(); // string comment
         byte[] padding = new byte[keyBuffer.available()];
         keyBuffer.readRawBytes(padding); // char[] padding
         for (int i = 0; i < padding.length; i++) {
@@ -155,6 +230,16 @@ public class OpenSSHKeyV1KeyFile extends BaseFileKeyProvider {
                 throw new IOException("Padding of key format contained wrong byte at position: " + i);
             }
         }
-        return new KeyPair(publicKey, new EdDSAPrivateKey(new EdDSAPrivateKeySpec(privKey, EdDSANamedCurveTable.getByName(CURVE_ED25519_SHA512))));
+        return kp;
+    }
+
+    private PrivateKey createECDSAPrivateKey(KeyType kt, PlainBuffer buffer, String name) throws GeneralSecurityException, Buffer.BufferException {
+        kt.readPubKeyFromBuffer(buffer); // Public key
+        BigInteger s = new BigInteger(1, buffer.readBytes());
+        X9ECParameters ecParams = NISTNamedCurves.getByName(name);
+        ECNamedCurveSpec ecCurveSpec = new ECNamedCurveSpec(name, ecParams.getCurve(), ecParams.getG(), ecParams.getN());
+        ECPrivateKeySpec pks = new ECPrivateKeySpec(s, ecCurveSpec);
+        return SecurityUtils.getKeyFactory("ECDSA").generatePrivate(pks);
+
     }
 }

src/main/java/net/schmizz/concurrent/ErrorDeliveryUtil.java

@@ -19,23 +19,23 @@ import java.util.Collection;
 
 public class ErrorDeliveryUtil {
 
-    public static void alertPromises(Throwable x, Promise... promises) {
-        for (Promise p : promises)
+    public static void alertPromises(Throwable x, Promise<?, ?>... promises) {
+        for (Promise<?, ?> p : promises)
             p.deliverError(x);
     }
 
-    public static void alertPromises(Throwable x, Collection<? extends Promise> promises) {
-        for (Promise p : promises)
+    public static void alertPromises(Throwable x, Collection<? extends Promise<?, ?>> promises) {
+        for (Promise<?, ?> p : promises)
             p.deliverError(x);
     }
 
-    public static void alertEvents(Throwable x, Event... events) {
-        for (Event e : events)
+    public static void alertEvents(Throwable x, Event<?>... events) {
+        for (Event<?> e : events)
             e.deliverError(x);
     }
 
-    public static void alertEvents(Throwable x, Collection<? extends Event> events) {
-        for (Event e : events)
+    public static void alertEvents(Throwable x, Collection<? extends Event<?>> events) {
+        for (Event<?> e : events)
             e.deliverError(x);
     }
 

src/main/java/net/schmizz/concurrent/Event.java

@@ -15,11 +15,11 @@
  */
 package net.schmizz.concurrent;
 
+import net.schmizz.sshj.common.LoggerFactory;
+
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;
 
-import net.schmizz.sshj.common.LoggerFactory;
-
 /**
  * An event can be set, cleared, or awaited, similar to Python's {@code threading.event}. The key difference is that a
  * waiter may be delivered an exception of parameterized type {@code T}.

src/main/java/net/schmizz/concurrent/Promise.java

@@ -15,6 +15,7 @@
  */
 package net.schmizz.concurrent;
 
+import net.schmizz.sshj.common.LoggerFactory;
 import org.slf4j.Logger;
 
 import java.util.concurrent.TimeUnit;
@@ -22,8 +23,6 @@ import java.util.concurrent.TimeoutException;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.ReentrantLock;
 
-import net.schmizz.sshj.common.LoggerFactory;
-
 /**
  * Represents promised data of the parameterized type {@code V} and allows waiting on it. An exception may also be
  * delivered to a waiter, and will be of the parameterized type {@code T}.

src/main/java/net/schmizz/sshj/AndroidConfig.java

@@ -15,12 +15,17 @@
  */
 package net.schmizz.sshj;
 
+import com.hierynomus.sshj.signature.SignatureEdDSA;
+
 import net.schmizz.sshj.common.SecurityUtils;
 import net.schmizz.sshj.signature.SignatureDSA;
 import net.schmizz.sshj.signature.SignatureRSA;
 import net.schmizz.sshj.transport.random.JCERandom;
 import net.schmizz.sshj.transport.random.SingletonRandomFactory;
 
+/**
+ * Registers SpongyCastle as JCE provider.
+ */
 public class AndroidConfig
         extends DefaultConfig {
 
@@ -30,7 +35,9 @@ public class AndroidConfig
 
     // don't add ECDSA
     protected void initSignatureFactories() {
-        setSignatureFactories(new SignatureRSA.Factory(), new SignatureDSA.Factory());
+        setSignatureFactories(new SignatureRSA.Factory(), new SignatureDSA.Factory(),
+                // but add EdDSA
+                new SignatureEdDSA.Factory());
     }
 
     @Override

src/main/java/net/schmizz/sshj/ConfigImpl.java

@@ -16,8 +16,8 @@
 package net.schmizz.sshj;
 
 import net.schmizz.keepalive.KeepAliveProvider;
-import net.schmizz.sshj.common.LoggerFactory;
 import net.schmizz.sshj.common.Factory;
+import net.schmizz.sshj.common.LoggerFactory;
 import net.schmizz.sshj.signature.Signature;
 import net.schmizz.sshj.transport.cipher.Cipher;
 import net.schmizz.sshj.transport.compression.Compression;

src/main/java/net/schmizz/sshj/DefaultConfig.java

@@ -15,22 +15,13 @@
  */
 package net.schmizz.sshj;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Properties;
-
-import org.slf4j.Logger;
-
 import com.hierynomus.sshj.signature.SignatureEdDSA;
 import com.hierynomus.sshj.transport.cipher.BlockCiphers;
 import com.hierynomus.sshj.transport.cipher.StreamCiphers;
 import com.hierynomus.sshj.transport.kex.DHGroups;
 import com.hierynomus.sshj.transport.kex.ExtendedDHGroups;
+import com.hierynomus.sshj.transport.mac.Macs;
 import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
-
 import net.schmizz.keepalive.KeepAliveProvider;
 import net.schmizz.sshj.common.Factory;
 import net.schmizz.sshj.common.LoggerFactory;
@@ -38,26 +29,12 @@ import net.schmizz.sshj.common.SecurityUtils;
 import net.schmizz.sshj.signature.SignatureDSA;
 import net.schmizz.sshj.signature.SignatureECDSA;
 import net.schmizz.sshj.signature.SignatureRSA;
-import net.schmizz.sshj.transport.cipher.AES128CBC;
-import net.schmizz.sshj.transport.cipher.AES128CTR;
-import net.schmizz.sshj.transport.cipher.AES192CBC;
-import net.schmizz.sshj.transport.cipher.AES192CTR;
-import net.schmizz.sshj.transport.cipher.AES256CBC;
-import net.schmizz.sshj.transport.cipher.AES256CTR;
-import net.schmizz.sshj.transport.cipher.BlowfishCBC;
-import net.schmizz.sshj.transport.cipher.Cipher;
-import net.schmizz.sshj.transport.cipher.TripleDESCBC;
+import net.schmizz.sshj.transport.cipher.*;
 import net.schmizz.sshj.transport.compression.NoneCompression;
 import net.schmizz.sshj.transport.kex.Curve25519SHA256;
 import net.schmizz.sshj.transport.kex.DHGexSHA1;
 import net.schmizz.sshj.transport.kex.DHGexSHA256;
 import net.schmizz.sshj.transport.kex.ECDHNistP;
-import net.schmizz.sshj.transport.mac.HMACMD5;
-import net.schmizz.sshj.transport.mac.HMACMD596;
-import net.schmizz.sshj.transport.mac.HMACSHA1;
-import net.schmizz.sshj.transport.mac.HMACSHA196;
-import net.schmizz.sshj.transport.mac.HMACSHA2256;
-import net.schmizz.sshj.transport.mac.HMACSHA2512;
 import net.schmizz.sshj.transport.random.BouncyCastleRandom;
 import net.schmizz.sshj.transport.random.JCERandom;
 import net.schmizz.sshj.transport.random.SingletonRandomFactory;
@@ -65,6 +42,9 @@ import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PKCS5KeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PKCS8KeyFile;
 import net.schmizz.sshj.userauth.keyprovider.PuTTYKeyFile;
+import org.slf4j.Logger;
+
+import java.util.*;
 
 /**
  * A {@link net.schmizz.sshj.Config} that is initialized as follows. Items marked with an asterisk are added to the config only if
@@ -72,9 +52,7 @@ import net.schmizz.sshj.userauth.keyprovider.PuTTYKeyFile;
  * <p/>
  * <ul>
  * <li>{@link net.schmizz.sshj.ConfigImpl#setKeyExchangeFactories Key exchange}: {@link net.schmizz.sshj.transport.kex.DHG14}*, {@link net.schmizz.sshj.transport.kex.DHG1}</li>
- * <li>{@link net.schmizz.sshj.ConfigImpl#setCipherFactories Ciphers} [1]: {@link net.schmizz.sshj.transport.cipher.AES128CTR}, {@link net.schmizz.sshj.transport.cipher.AES192CTR}, {@link net.schmizz.sshj.transport.cipher.AES256CTR},
- * {@link
- * net.schmizz.sshj.transport.cipher.AES128CBC}, {@link net.schmizz.sshj.transport.cipher.AES192CBC}, {@link net.schmizz.sshj.transport.cipher.AES256CBC}, {@link net.schmizz.sshj.transport.cipher.AES192CBC}, {@link net.schmizz.sshj.transport.cipher.TripleDESCBC}, {@link net.schmizz.sshj.transport.cipher.BlowfishCBC}</li>
+ * <li>{@link net.schmizz.sshj.ConfigImpl#setCipherFactories Ciphers}: {@link BlockCiphers}, {@link StreamCiphers} [1]</li>
  * <li>{@link net.schmizz.sshj.ConfigImpl#setMACFactories MAC}: {@link net.schmizz.sshj.transport.mac.HMACSHA1}, {@link net.schmizz.sshj.transport.mac.HMACSHA196}, {@link net.schmizz.sshj.transport.mac.HMACMD5}, {@link
  * net.schmizz.sshj.transport.mac.HMACMD596}</li>
  * <li>{@link net.schmizz.sshj.ConfigImpl#setCompressionFactories Compression}: {@link net.schmizz.sshj.transport.compression.NoneCompression}</li>
@@ -113,7 +91,7 @@ public class DefaultConfig
             properties.load(DefaultConfig.class.getClassLoader().getResourceAsStream("sshj.properties"));
             String property = properties.getProperty("sshj.version");
             return "SSHJ_" + property.replace('-', '_'); // '-' is a disallowed character, see RFC-4253#section-4.2
-        } catch (IOException e) {
+        } catch (Exception e) {
             log.error("Could not read the sshj.properties file, returning an 'unknown' version as fallback.");
             return "SSHJ_VERSION_UNKNOWN";
         }
@@ -127,7 +105,9 @@ public class DefaultConfig
 
     protected void initKeyExchangeFactories(boolean bouncyCastleRegistered) {
         if (bouncyCastleRegistered) {
-            setKeyExchangeFactories(new Curve25519SHA256.Factory(),
+            setKeyExchangeFactories(
+                    new Curve25519SHA256.Factory(),
+                    new Curve25519SHA256.FactoryLibSsh(),
                     new DHGexSHA256.Factory(),
                     new ECDHNistP.Factory521(),
                     new ECDHNistP.Factory384(),
@@ -172,14 +152,13 @@ public class DefaultConfig
 
     protected void initCipherFactories() {
         List<Factory.Named<Cipher>> avail = new LinkedList<Factory.Named<Cipher>>(Arrays.<Factory.Named<Cipher>>asList(
-                new AES128CTR.Factory(),
-                new AES192CTR.Factory(),
-                new AES256CTR.Factory(),
-                new AES128CBC.Factory(),
-                new AES192CBC.Factory(),
-                new AES256CBC.Factory(),
-                new TripleDESCBC.Factory(),
-                new BlowfishCBC.Factory(),
+                BlockCiphers.AES128CBC(),
+                BlockCiphers.AES128CTR(),
+                BlockCiphers.AES192CBC(),
+                BlockCiphers.AES192CTR(),
+                BlockCiphers.AES256CBC(),
+                BlockCiphers.AES256CTR(),
+                BlockCiphers.BlowfishCBC(),
                 BlockCiphers.BlowfishCTR(),
                 BlockCiphers.Cast128CBC(),
                 BlockCiphers.Cast128CTR(),
@@ -191,6 +170,7 @@ public class DefaultConfig
                 BlockCiphers.Serpent192CTR(),
                 BlockCiphers.Serpent256CBC(),
                 BlockCiphers.Serpent256CTR(),
+                BlockCiphers.TripleDESCBC(),
                 BlockCiphers.TripleDESCTR(),
                 BlockCiphers.Twofish128CBC(),
                 BlockCiphers.Twofish128CTR(),
@@ -229,23 +209,33 @@ public class DefaultConfig
 
     protected void initSignatureFactories() {
         setSignatureFactories(
+                new SignatureEdDSA.Factory(),
                 new SignatureECDSA.Factory256(),
                 new SignatureECDSA.Factory384(),
                 new SignatureECDSA.Factory521(),
                 new SignatureRSA.Factory(),
-                new SignatureDSA.Factory(),
-                new SignatureEdDSA.Factory()
+                new SignatureDSA.Factory()
         );
     }
 
     protected void initMACFactories() {
         setMACFactories(
-                new HMACSHA1.Factory(),
-                new HMACSHA196.Factory(),
-                new HMACMD5.Factory(),
-                new HMACMD596.Factory(),
-                new HMACSHA2256.Factory(),
-                new HMACSHA2512.Factory()
+                Macs.HMACSHA1(),
+                Macs.HMACSHA1Etm(),
+                Macs.HMACSHA196(),
+                Macs.HMACSHA196Etm(),
+                Macs.HMACMD5(),
+                Macs.HMACMD5Etm(),
+                Macs.HMACMD596(),
+                Macs.HMACMD596Etm(),
+                Macs.HMACSHA2256(),
+                Macs.HMACSHA2256Etm(),
+                Macs.HMACSHA2512(),
+                Macs.HMACSHA2512Etm(),
+                Macs.HMACRIPEMD160(),
+                Macs.HMACRIPEMD160Etm(),
+                Macs.HMACRIPEMD16096(),
+                Macs.HMACRIPEMD160OpenSsh()
         );
     }
 

src/main/java/net/schmizz/sshj/SSHClient.java

@@ -15,11 +15,7 @@
  */
 package net.schmizz.sshj;
 
-import net.schmizz.sshj.common.Factory;
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.common.LoggerFactory;
-import net.schmizz.sshj.common.SSHException;
-import net.schmizz.sshj.common.SecurityUtils;
+import net.schmizz.sshj.common.*;
 import net.schmizz.sshj.connection.Connection;
 import net.schmizz.sshj.connection.ConnectionException;
 import net.schmizz.sshj.connection.ConnectionImpl;
@@ -43,6 +39,7 @@ import net.schmizz.sshj.transport.compression.DelayedZlibCompression;
 import net.schmizz.sshj.transport.compression.NoneCompression;
 import net.schmizz.sshj.transport.compression.ZlibCompression;
 import net.schmizz.sshj.transport.verification.AlgorithmsVerifier;
+import net.schmizz.sshj.transport.verification.FingerprintVerifier;
 import net.schmizz.sshj.transport.verification.HostKeyVerifier;
 import net.schmizz.sshj.transport.verification.OpenSSHKnownHosts;
 import net.schmizz.sshj.userauth.UserAuth;
@@ -65,7 +62,6 @@ import java.io.IOException;
 import java.net.ServerSocket;
 import java.nio.charset.Charset;
 import java.security.KeyPair;
-import java.security.PublicKey;
 import java.util.*;
 
 /**
@@ -174,19 +170,23 @@ public class SSHClient
 
     /**
      * Add a {@link HostKeyVerifier} that will verify any host that's able to claim a host key with the given {@code
-     * fingerprint}, e.g. {@code "4b:69:6c:72:6f:79:20:77:61:73:20:68:65:72:65:21"}
+     * fingerprint}.
+     *
+     * The fingerprint can be specified in either an MD5 colon-delimited format (16 hexadecimal octets, delimited by a colon),
+     * or in a Base64 encoded format for SHA-1 or SHA-256 fingerprints.
+     * Valid examples are:
+     *
+     * <ul><li>"SHA1:2Fo8c/96zv32xc8GZWbOGYOlRak="</li>
+     * <li>"SHA256:oQGbQTujGeNIgh0ONthcEpA/BHxtt3rcYY+NxXTxQjs="</li>
+     * <li>"MD5:d3:5e:40:72:db:08:f1:6d:0c:d7:6d:35:0d:ba:7c:32"</li>
+     * <li>"d3:5e:40:72:db:08:f1:6d:0c:d7:6d:35:0d:ba:7c:32"</li></ul>
      *
      * @param fingerprint expected fingerprint in colon-delimited format (16 octets in hex delimited by a colon)
      *
      * @see SecurityUtils#getFingerprint
      */
     public void addHostKeyVerifier(final String fingerprint) {
-        addHostKeyVerifier(new HostKeyVerifier() {
-            @Override
-            public boolean verify(String h, int p, PublicKey k) {
-                return SecurityUtils.getFingerprint(k).equals(fingerprint);
-            }
-        });
+        addHostKeyVerifier(FingerprintVerifier.getInstance(fingerprint));
     }
 
     // FIXME: there are way too many auth... overrides. Better API needed.
@@ -360,8 +360,7 @@ public class SSHClient
      * @throws TransportException if there was a transport-layer error
      */
     public void authPublickey(String username, KeyProvider... keyProviders)
-            throws UserAuthException,
-                   TransportException {
+            throws UserAuthException, TransportException {
         authPublickey(username, Arrays.<KeyProvider>asList(keyProviders));
     }
 

src/main/java/net/schmizz/sshj/common/Buffer.java

@@ -132,8 +132,9 @@ public class Buffer<T extends Buffer<T>> {
 
     protected void ensureAvailable(int a)
             throws BufferException {
-        if (available() < a)
+        if (available() < a) {
             throw new BufferException("Underflow");
+        }
     }
 
     public void ensureCapacity(int capacity) {
@@ -147,7 +148,6 @@ public class Buffer<T extends Buffer<T>> {
 
     /** Compact this {@link SSHPacket} */
     public void compact() {
-        System.err.println("COMPACTING");
         if (available() > 0)
             System.arraycopy(data, rpos, data, 0, wpos - rpos);
         wpos -= rpos;
@@ -246,7 +246,7 @@ public class Buffer<T extends Buffer<T>> {
      * @return this
      */
     public T putBytes(byte[] b, int off, int len) {
-        return putUInt32(len - off).putRawBytes(b, off, len);
+        return putUInt32(len).putRawBytes(b, off, len);
     }
 
     public void readRawBytes(byte[] buf)
@@ -356,8 +356,9 @@ public class Buffer<T extends Buffer<T>> {
     }
 
     public T putUInt64(long uint64) {
-        if (uint64 < 0)
+        if (uint64 < 0) {
             throw new IllegalArgumentException("Invalid value: " + uint64);
+        }
         return putUInt64Unchecked(uint64);
     }
 
@@ -371,6 +372,7 @@ public class Buffer<T extends Buffer<T>> {
 
     @SuppressWarnings("unchecked")
     private T putUInt64Unchecked(long uint64) {
+        ensureCapacity(8);
         data[wpos++] = (byte) (uint64 >> 56);
         data[wpos++] = (byte) (uint64 >> 48);
         data[wpos++] = (byte) (uint64 >> 40);
@@ -392,8 +394,9 @@ public class Buffer<T extends Buffer<T>> {
     public String readString(Charset cs)
             throws BufferException {
         int len = readUInt32AsInt();
-        if (len < 0 || len > 32768)
+        if (len < 0 || len > 32768) {
             throw new BufferException("Bad item length: " + len);
+        }
         ensureAvailable(len);
         String s = new String(data, rpos, len, cs);
         rpos += len;
@@ -460,10 +463,13 @@ public class Buffer<T extends Buffer<T>> {
 
     public PublicKey readPublicKey()
             throws BufferException {
+        KeyType keyType = KeyType.fromString(readString());
         try {
-            return KeyType.fromString(readString()).readPubKeyFromBuffer(this);
+            return keyType.readPubKeyFromBuffer(this);
         } catch (GeneralSecurityException e) {
             throw new SSHRuntimeException(e);
+        } catch (UnsupportedOperationException uoe) {
+            throw new BufferException("Could not decode keytype " + keyType);
         }
     }
 

src/main/java/net/schmizz/sshj/common/ByteArrayUtils.java

@@ -94,4 +94,34 @@ public class ByteArrayUtils {
         return sb.toString();
     }
 
+
+    public static byte[] parseHex(String hex) {
+        if (hex == null) {
+            throw new IllegalArgumentException("Hex string is null");
+        }
+        if (hex.length() % 2 != 0) {
+            throw new IllegalArgumentException("Hex string '" + hex + "' should have even length.");
+        }
+
+        byte[] result = new byte[hex.length() / 2];
+        for (int i = 0; i < result.length; i++) {
+            int hi = parseHexDigit(hex.charAt(i * 2)) << 4;
+            int lo = parseHexDigit(hex.charAt(i * 2 + 1));
+            result[i] = (byte) (hi + lo);
+        }
+        return result;
+    }
+
+    private static int parseHexDigit(char c) {
+        if (c >= '0' && c <= '9') {
+            return c - '0';
+        }
+        if (c >= 'a' && c <= 'f') {
+            return c - 'a' + 10;
+        }
+        if (c >= 'A' && c <= 'F') {
+            return c - 'A' + 10;
+        }
+        throw new IllegalArgumentException("Digit '" + c + "' out of bounds [0-9a-fA-F]");
+    }
 }

src/main/java/net/schmizz/sshj/common/ECDSAVariationsAdapter.java

@@ -15,26 +15,27 @@
  */
 package net.schmizz.sshj.common;
 
+import com.hierynomus.sshj.secg.SecgUtils;
+import org.bouncycastle.asn1.nist.NISTNamedCurves;
+import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.bouncycastle.jce.spec.ECNamedCurveSpec;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.math.BigInteger;
 import java.security.GeneralSecurityException;
+import java.security.Key;
 import java.security.KeyFactory;
 import java.security.PublicKey;
+import java.security.interfaces.ECKey;
 import java.security.interfaces.ECPublicKey;
+import java.security.spec.ECPoint;
+import java.security.spec.ECPublicKeySpec;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.bouncycastle.asn1.nist.NISTNamedCurves;
-import org.bouncycastle.asn1.x9.X9ECParameters;
-import org.bouncycastle.jce.spec.ECParameterSpec;
-import org.bouncycastle.jce.spec.ECPublicKeySpec;
-import org.bouncycastle.math.ec.ECPoint;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.hierynomus.sshj.secg.SecgUtils;
-
-public class ECDSAVariationsAdapter {
+class ECDSAVariationsAdapter {
 
     private final static String BASE_ALGORITHM_NAME = "ecdsa-sha2-nistp";
 
@@ -53,7 +54,7 @@ public class ECDSAVariationsAdapter {
         SUPPORTED_CURVES.put("521", "nistp521");
     }
 
-    public static PublicKey readPubKeyFromBuffer(Buffer<?> buf, String variation) throws GeneralSecurityException {
+    static PublicKey readPubKeyFromBuffer(Buffer<?> buf, String variation) throws GeneralSecurityException {
         String algorithm = BASE_ALGORITHM_NAME + variation;
         if (!SecurityUtils.isBouncyCastleRegistered()) {
             throw new GeneralSecurityException("BouncyCastle is required to read a key of type " + algorithm);
@@ -80,19 +81,20 @@ public class ECDSAVariationsAdapter {
             BigInteger bigX = new BigInteger(1, x);
             BigInteger bigY = new BigInteger(1, y);
 
-            X9ECParameters ecParams = NISTNamedCurves.getByName(NIST_CURVES_NAMES.get(variation));
-            ECPoint pPublicPoint = ecParams.getCurve().createPoint(bigX, bigY);
-            ECParameterSpec spec = new ECParameterSpec(ecParams.getCurve(), ecParams.getG(), ecParams.getN());
-            ECPublicKeySpec publicSpec = new ECPublicKeySpec(pPublicPoint, spec);
+            String name = NIST_CURVES_NAMES.get(variation);
+            X9ECParameters ecParams = NISTNamedCurves.getByName(name);
+            ECNamedCurveSpec ecCurveSpec = new ECNamedCurveSpec(name, ecParams.getCurve(), ecParams.getG(), ecParams.getN());
+            ECPoint p = new ECPoint(bigX, bigY);
+            ECPublicKeySpec publicKeySpec = new ECPublicKeySpec(p, ecCurveSpec);
 
             KeyFactory keyFactory = KeyFactory.getInstance("ECDSA");
-            return keyFactory.generatePublic(publicSpec);
+            return keyFactory.generatePublic(publicKeySpec);
         } catch (Exception ex) {
             throw new GeneralSecurityException(ex);
         }
     }
 
-    public static void writePubKeyContentsIntoBuffer(PublicKey pk, Buffer<?> buf) {
+    static void writePubKeyContentsIntoBuffer(PublicKey pk, Buffer<?> buf) {
         final ECPublicKey ecdsa = (ECPublicKey) pk;
         byte[] encoded = SecgUtils.getEncoded(ecdsa.getW(), ecdsa.getParams().getCurve());
 
@@ -100,8 +102,12 @@ public class ECDSAVariationsAdapter {
             .putBytes(encoded);
     }
 
-    public static int fieldSizeFromKey(ECPublicKey ecPublicKey) {
-        return ecPublicKey.getParams().getCurve().getField().getFieldSize();
+    static boolean isECKeyWithFieldSize(Key key, int fieldSize) {
+        return "ECDSA".equals(key.getAlgorithm())
+                && fieldSizeFromKey((ECKey) key) == fieldSize;
     }
 
+    private static int fieldSizeFromKey(ECKey ecPublicKey) {
+        return ecPublicKey.getParams().getCurve().getField().getFieldSize();
+    }
 }

src/main/java/net/schmizz/sshj/common/IOUtils.java

@@ -40,7 +40,7 @@ public class IOUtils {
                 if (c != null)
                     c.close();
             } catch (IOException logged) {
-		loggerFactory.getLogger(IOUtils.class).warn("Error closing {} - {}", c, logged);
+                loggerFactory.getLogger(IOUtils.class).warn("Error closing {} - {}", c, logged);
             }
         }
     }

src/main/java/net/schmizz/sshj/common/KeyType.java

@@ -15,6 +15,16 @@
  */
 package net.schmizz.sshj.common;
 
+import com.hierynomus.sshj.signature.Ed25519PublicKey;
+import com.hierynomus.sshj.userauth.certificate.Certificate;
+import net.i2p.crypto.eddsa.EdDSAPublicKey;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
+import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec;
+import net.schmizz.sshj.common.Buffer.BufferException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.math.BigInteger;
 import java.security.GeneralSecurityException;
 import java.security.Key;
@@ -22,30 +32,11 @@ import java.security.KeyFactory;
 import java.security.PublicKey;
 import java.security.interfaces.DSAPrivateKey;
 import java.security.interfaces.DSAPublicKey;
-import java.security.interfaces.ECPublicKey;
 import java.security.interfaces.RSAPrivateKey;
 import java.security.interfaces.RSAPublicKey;
 import java.security.spec.DSAPublicKeySpec;
 import java.security.spec.RSAPublicKeySpec;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.hierynomus.sshj.signature.Ed25519PublicKey;
-import com.hierynomus.sshj.userauth.certificate.Certificate;
-
-import net.i2p.crypto.eddsa.EdDSAPublicKey;
-import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
-import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
-import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec;
-import net.schmizz.sshj.common.Buffer.BufferException;
+import java.util.*;
 
 /** Type of key e.g. rsa, dsa */
 public enum KeyType {
@@ -130,7 +121,7 @@ public enum KeyType {
 
         @Override
         protected boolean isMyType(Key key) {
-            return ("ECDSA".equals(key.getAlgorithm()) && ECDSAVariationsAdapter.fieldSizeFromKey((ECPublicKey) key) == 256);
+            return ECDSAVariationsAdapter.isECKeyWithFieldSize(key, 256);
         }
     },
 
@@ -151,7 +142,7 @@ public enum KeyType {
 
         @Override
         protected boolean isMyType(Key key) {
-            return ("ECDSA".equals(key.getAlgorithm()) && ECDSAVariationsAdapter.fieldSizeFromKey((ECPublicKey) key) == 384);
+            return ECDSAVariationsAdapter.isECKeyWithFieldSize(key, 384);
         }
     },
 
@@ -172,7 +163,7 @@ public enum KeyType {
 
         @Override
         protected boolean isMyType(Key key) {
-            return ("ECDSA".equals(key.getAlgorithm()) && ECDSAVariationsAdapter.fieldSizeFromKey((ECPublicKey) key) == 521);
+            return ECDSAVariationsAdapter.isECKeyWithFieldSize(key, 521);
         }
     },
 
@@ -192,7 +183,7 @@ public enum KeyType {
                     );
                 }
 
-                EdDSANamedCurveSpec ed25519 = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.CURVE_ED25519_SHA512);
+                EdDSANamedCurveSpec ed25519 = EdDSANamedCurveTable.getByName("Ed25519");
                 EdDSAPublicKeySpec publicSpec = new EdDSAPublicKeySpec(p, ed25519);
                 return new Ed25519PublicKey(publicSpec);
 

src/main/java/net/schmizz/sshj/common/SecurityUtils.java

@@ -15,13 +15,24 @@
  */
 package net.schmizz.sshj.common;
 
-import java.security.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.security.GeneralSecurityException;
+import java.security.KeyFactory;
+import java.security.KeyPairGenerator;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.Provider;
+import java.security.PublicKey;
+import java.security.Security;
+import java.security.Signature;
+
 import javax.crypto.Cipher;
 import javax.crypto.KeyAgreement;
 import javax.crypto.Mac;
 import javax.crypto.NoSuchPaddingException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import static java.lang.String.format;
 
@@ -36,12 +47,17 @@ public class SecurityUtils {
      */
     public static final String BOUNCY_CASTLE = "BC";
 
+    /**
+     * Identifier for the BouncyCastle JCE provider
+     */
+    public static final String SPONGY_CASTLE = "SC";
+
     /*
     * Security provider identifier. null = default JCE
     */
     private static String securityProvider = null;
 
-    // relate to BC registration
+    // relate to BC registration (or SpongyCastle on Android)
     private static Boolean registerBouncyCastle;
     private static boolean registrationDone;
 
@@ -68,19 +84,21 @@ public class SecurityUtils {
             }
 
             if (securityProvider == null) {
-                MessageDigest.getInstance("MD5", provider.getName());
-                KeyAgreement.getInstance("DH", provider.getName());
+                MessageDigest.getInstance("MD5", provider);
+                KeyAgreement.getInstance("DH", provider);
                 setSecurityProvider(provider.getName());
                 return true;
             }
         } catch (NoSuchAlgorithmException e) {
             LOG.info(format("Security Provider '%s' does not support necessary algorithm", providerClassName), e);
-        } catch (NoSuchProviderException e) {
-            LOG.info("Registration of Security Provider '{}' unexpectedly failed", providerClassName);
+        } catch (Exception e) {
+            LOG.info(format("Registration of Security Provider '%s' unexpectedly failed", providerClassName), e);
         }
         return false;
     }
 
+
+
     public static synchronized Cipher getCipher(String transformation)
             throws NoSuchAlgorithmException, NoSuchPaddingException, NoSuchProviderException {
         register();
@@ -221,11 +239,11 @@ public class SecurityUtils {
      * Attempts registering BouncyCastle as security provider if it has not been previously attempted and returns
      * whether the registration succeeded.
      *
-     * @return whether BC registered
+     * @return whether BC (or SC on Android) registered
      */
     public static synchronized boolean isBouncyCastleRegistered() {
         register();
-        return BOUNCY_CASTLE.equals(securityProvider);
+        return BOUNCY_CASTLE.equals(securityProvider) || SPONGY_CASTLE.equals(securityProvider);
     }
 
     public static synchronized void setRegisterBouncyCastle(boolean registerBouncyCastle) {

src/main/java/net/schmizz/sshj/connection/ConnectionImpl.java

@@ -130,6 +130,9 @@ public class ConnectionImpl
             getChannel(buf).handle(msg, buf);
         } else if (msg.in(80, 90)) {
             switch (msg) {
+                case GLOBAL_REQUEST:
+                    gotGlobalRequest(buf);
+                    break;
                 case REQUEST_SUCCESS:
                     gotGlobalReqResponse(buf);
                     break;
@@ -259,6 +262,20 @@ public class ConnectionImpl
         channels.clear();
     }
 
+    private void gotGlobalRequest(SSHPacket buf)
+            throws ConnectionException, TransportException {
+        try {
+            final String requestName = buf.readString();
+            boolean wantReply = buf.readBoolean();
+            log.debug("Received GLOBAL_REQUEST `{}`; want reply: {}", requestName, wantReply);
+            if (wantReply) {
+                trans.write(new SSHPacket(Message.REQUEST_FAILURE));
+            }
+        } catch (Buffer.BufferException be) {
+            throw new ConnectionException(be);
+        }
+    }
+
     @Override
     public void setTimeoutMs(int timeoutMs) {
         this.timeoutMs = timeoutMs;

src/main/java/net/schmizz/sshj/connection/channel/AbstractChannel.java

@@ -102,7 +102,8 @@ public abstract class AbstractChannel
 
     protected void init(int recipient, long remoteWinSize, long remoteMaxPacketSize) {
         this.recipient = recipient;
-        rwin = new Window.Remote(remoteWinSize, (int) Math.min(remoteMaxPacketSize, REMOTE_MAX_PACKET_SIZE_CEILING), loggerFactory);
+        rwin = new Window.Remote(remoteWinSize, (int) Math.min(remoteMaxPacketSize, REMOTE_MAX_PACKET_SIZE_CEILING),
+            conn.getTimeoutMs(), loggerFactory);
         out = new ChannelOutputStream(this, trans, rwin);
         log.debug("Initialized - {}", this);
     }
@@ -362,10 +363,12 @@ public abstract class AbstractChannel
         } catch (Buffer.BufferException be) {
             throw new ConnectionException(be);
         }
-        if (len < 0 || len > getLocalMaxPacketSize() || len > buf.available())
+        if (len < 0 || len > getLocalMaxPacketSize() || len > buf.available()) {
             throw new ConnectionException(DisconnectReason.PROTOCOL_ERROR, "Bad item length: " + len);
-        if (log.isTraceEnabled())
+        }
+        if (log.isTraceEnabled()) {
             log.trace("IN #{}: {}", id, ByteArrayUtils.printHex(buf.array(), buf.rpos(), len));
+        }
         stream.receive(buf.array(), buf.rpos(), len);
     }
 

src/main/java/net/schmizz/sshj/connection/channel/ChannelInputStream.java

@@ -92,36 +92,43 @@ public final class ChannelInputStream
             throws IOException {
         synchronized (buf) {
             for (; ; ) {
-                if (buf.available() > 0)
+                if (buf.available() > 0) {
                     break;
-                if (eof)
-                    if (error != null)
+                }
+                if (eof) {
+                    if (error != null) {
                         throw error;
-                    else
+                    } else {
                         return -1;
+                    }
+                }
                 try {
                     buf.wait();
                 } catch (InterruptedException e) {
                     throw (IOException) new InterruptedIOException().initCause(e);
                 }
             }
-            if (len > buf.available())
+            if (len > buf.available()) {
                 len = buf.available();
+            }
             buf.readRawBytes(b, off, len);
-            if (buf.rpos() > win.getMaxPacketSize() && buf.available() == 0)
+            if (buf.rpos() > win.getMaxPacketSize() && buf.available() == 0) {
                 buf.clear();
+            }
         }
 
-        if (!chan.getAutoExpand())
+        if (!chan.getAutoExpand()) {
             checkWindow();
+        }
 
         return len;
     }
 
     public void receive(byte[] data, int offset, int len)
             throws ConnectionException, TransportException {
-        if (eof)
+        if (eof) {
             throw new ConnectionException("Getting data on EOF'ed stream");
+        }
         synchronized (buf) {
             buf.putRawBytes(data, offset, len);
             buf.notifyAll();
@@ -132,8 +139,9 @@ public final class ChannelInputStream
         synchronized (win) {
             win.consume(len);
         }
-        if (chan.getAutoExpand())
+        if (chan.getAutoExpand()) {
             checkWindow();
+        }
     }
 
     private void checkWindow()
@@ -143,7 +151,7 @@ public final class ChannelInputStream
             if (adjustment > 0) {
                 log.debug("Sending SSH_MSG_CHANNEL_WINDOW_ADJUST to #{} for {} bytes", chan.getRecipient(), adjustment);
                 trans.write(new SSHPacket(Message.CHANNEL_WINDOW_ADJUST)
-                                    .putUInt32(chan.getRecipient()).putUInt32(adjustment));
+                        .putUInt32(chan.getRecipient()).putUInt32(adjustment));
                 win.expand(adjustment);
             }
         }

src/main/java/net/schmizz/sshj/connection/channel/SocketStreamCopyMonitor.java

@@ -39,15 +39,21 @@ public class SocketStreamCopyMonitor
         new SocketStreamCopyMonitor(new Runnable() {
             public void run() {
                 try {
-                    for (Event<IOException> ev = x;
-                         !ev.tryAwait(frequency, unit);
-                         ev = (ev == x) ? y : x) {
-                    }
+                    await(x);
+                    await(y);
                 } catch (IOException ignored) {
                 } finally {
                     IOUtils.closeQuietly(channel, asCloseable(socket));
                 }
             }
+
+            private void await(final Event<IOException> event) throws IOException {
+                while(true){
+                    if(event.tryAwait(frequency, unit)){
+                        break;
+                    }
+                }
+            }
         }).start();
     }
 

src/main/java/net/schmizz/sshj/connection/channel/Window.java

@@ -20,6 +20,8 @@ import net.schmizz.sshj.common.SSHRuntimeException;
 import net.schmizz.sshj.connection.ConnectionException;
 import org.slf4j.Logger;
 
+import java.util.concurrent.TimeUnit;
+
 public abstract class Window {
 
     protected final Logger log;
@@ -59,8 +61,9 @@ public abstract class Window {
         synchronized (lock) {
             size -= dec;
             log.debug("Consuming by {} down to {}", dec, size);
-            if (size < 0)
+            if (size < 0) {
                 throw new ConnectionException("Window consumed to below 0");
+            }
         }
     }
 
@@ -72,17 +75,23 @@ public abstract class Window {
     /** Controls how much data we can send before an adjustment notification from remote end is required. */
     public static final class Remote
             extends Window {
+        private final long timeoutMs;
 
-        public Remote(long initialWinSize, int maxPacketSize, LoggerFactory loggerFactory) {
+        public Remote(long initialWinSize, int maxPacketSize, long timeoutMs, LoggerFactory loggerFactory) {
             super(initialWinSize, maxPacketSize, loggerFactory);
+            this.timeoutMs = timeoutMs;
         }
 
         public long awaitExpansion(long was) throws ConnectionException {
             synchronized (lock) {
+                long end = System.nanoTime() + TimeUnit.MILLISECONDS.toNanos(timeoutMs);
                 while (size <= was) {
                     log.debug("Waiting, need size to grow from {} bytes", was);
                     try {
-                        lock.wait();
+                        lock.wait(timeoutMs);
+                        if ((size <= was) && ((System.nanoTime() - end) > 0)) {
+                            throw new ConnectionException("Timeout when trying to expand the window size");
+                        }
                     } catch (InterruptedException ie) {
                         throw new ConnectionException(ie);
                     }

src/main/java/net/schmizz/sshj/connection/channel/direct/LocalPortForwarder.java

@@ -137,6 +137,15 @@ public class LocalPortForwarder {
         listen(Thread.currentThread());
     }
 
+    /**
+     * Returns whether this listener is running (ie. whether a thread is attached to it).
+     *
+     * @return
+     */
+    public boolean isRunning() {
+        return this.runningThread != null && !serverSocket.isClosed();
+    }
+
     /**
      * Start listening for incoming connections and forward to remote host as a channel and ensure that the thread is registered.
      * This is useful if for instance {@link #close() is called from another thread}
@@ -172,8 +181,8 @@ public class LocalPortForwarder {
     public void close() throws IOException {
         if (!serverSocket.isClosed()) {
             log.info("Closing listener on {}", serverSocket.getLocalSocketAddress());
-            serverSocket.close();
             runningThread.interrupt();
+            serverSocket.close();
         }
     }
 

src/main/java/net/schmizz/sshj/sftp/PathComponents.java

@@ -18,8 +18,14 @@ package net.schmizz.sshj.sftp;
 public class PathComponents {
 
     static String adjustForParent(String parent, String path, String pathSep) {
-        return (path.startsWith(pathSep)) ? path // Absolute path, nothing to adjust
-                : (parent + (parent.endsWith(pathSep) ? "" : pathSep) + path); // Relative path
+        if (path.startsWith(pathSep)) {
+            return path; // Absolute path, nothing to adjust
+        } else if (parent.endsWith(pathSep)) {
+            return parent + path; // Relative path, parent endsWith '/'
+        } else if (parent.isEmpty()) {
+            return path;
+        }
+        return parent + pathSep + path; // Relative path
     }
 
     static String trimTrailingSeparator(String somePath, String pathSep) {
@@ -33,7 +39,8 @@ public class PathComponents {
     public PathComponents(String parent, String name, String pathSep) {
         this.parent = parent;
         this.name = name;
-        this.path = trimTrailingSeparator(adjustForParent(parent, name, pathSep), pathSep);
+        String adjusted = adjustForParent(parent, name, pathSep);
+        this.path = !pathSep.equals(adjusted) ? trimTrailingSeparator(adjusted, pathSep) : adjusted;
     }
 
     public String getParent() {

src/main/java/net/schmizz/sshj/sftp/PathHelper.java

@@ -70,16 +70,25 @@ public class PathHelper {
      */
     public PathComponents getComponents(final String path)
             throws IOException {
-        if (path.equals(pathSep))
-            return getComponents("", "");
+        if (path.equals(pathSep)) {
+            return getComponents("", "/");
+        }
 
-        if (path.isEmpty() || ".".equals(path) || ("." + pathSep).equals(path))
+        if (path.isEmpty() || ".".equals(path) || ("." + pathSep).equals(path)) {
             return getComponents(getDotDir());
+        }
 
         final String withoutTrailSep = trimTrailingSeparator(path);
         final int lastSep = withoutTrailSep.lastIndexOf(pathSep);
-        final String parent = (lastSep == -1) ? "" : withoutTrailSep.substring(0, lastSep);
-        final String name = (lastSep == -1) ? withoutTrailSep : withoutTrailSep.substring(lastSep + pathSep.length());
+        String parent;
+        String name;
+        if (lastSep == -1) {
+            parent = "";
+            name = withoutTrailSep;
+        } else {
+            parent = lastSep == 0 ? "/" : withoutTrailSep.substring(0, lastSep);
+            name = withoutTrailSep.substring(lastSep + pathSep.length());
+        }
 
         if (".".equals(name) || "..".equals(name)) {
             return getComponents(canonicalizer.canonicalize(path));
@@ -87,5 +96,4 @@ public class PathHelper {
             return getComponents(parent, name);
         }
     }
-
 }

src/main/java/net/schmizz/sshj/sftp/RemoteFile.java

@@ -82,9 +82,7 @@ public class RemoteFile
             throws IOException {
         return requester.request(newRequest(PacketType.WRITE)
                 .putUInt64(fileOffset)
-                // TODO The SFTP spec claims this field is unneeded...? See #187
-                .putUInt32(len)
-                .putRawBytes(data, off, len)
+                .putString(data, off, len)
         );
     }
 

src/main/java/net/schmizz/sshj/sftp/Response.java

@@ -68,6 +68,9 @@ public final class Response
             this.code = code;
         }
 
+        public int getCode() {
+            return code;
+        }
     }
 
     private final int protocolVersion;

src/main/java/net/schmizz/sshj/signature/AbstractSignature.java

@@ -15,34 +15,48 @@
  */
 package net.schmizz.sshj.signature;
 
+import net.schmizz.sshj.common.Buffer;
 import net.schmizz.sshj.common.SSHRuntimeException;
 import net.schmizz.sshj.common.SecurityUtils;
 
-import java.security.GeneralSecurityException;
-import java.security.PrivateKey;
-import java.security.PublicKey;
-import java.security.SignatureException;
+import java.security.*;
 
-/** An abstract class for {@link Signature} that implements common functionality. */
+/**
+ * An abstract class for {@link Signature} that implements common functionality.
+ */
 public abstract class AbstractSignature
         implements Signature {
 
-    protected final String algorithm;
-    protected java.security.Signature signature;
+    @SuppressWarnings("PMD.UnnecessaryFullyQualifiedName")
+    protected final java.security.Signature signature;
 
     protected AbstractSignature(String algorithm) {
-        this.algorithm = algorithm;
+        try {
+            this.signature = SecurityUtils.getSignature(algorithm);
+        } catch (GeneralSecurityException e) {
+            throw new SSHRuntimeException(e);
+        }
+    }
+
+    protected AbstractSignature(@SuppressWarnings("PMD.UnnecessaryFullyQualifiedName")
+                                        java.security.Signature signatureEngine) {
+        this.signature = signatureEngine;
     }
 
     @Override
-    public void init(PublicKey publicKey, PrivateKey privateKey) {
+    public void initVerify(PublicKey publicKey) {
         try {
-            signature = SecurityUtils.getSignature(algorithm);
-            if (publicKey != null)
-                signature.initVerify(publicKey);
-            if (privateKey != null)
-                signature.initSign(privateKey);
-        } catch (GeneralSecurityException e) {
+            signature.initVerify(publicKey);
+        } catch (InvalidKeyException e) {
+            throw new SSHRuntimeException(e);
+        }
+    }
+
+    @Override
+    public void initSign(PrivateKey privateKey) {
+        try {
+            signature.initSign(privateKey);
+        } catch (InvalidKeyException e) {
             throw new SSHRuntimeException(e);
         }
     }
@@ -70,23 +84,24 @@ public abstract class AbstractSignature
         }
     }
 
-    protected byte[] extractSig(byte[] sig) {
-        if (sig[0] == 0 && sig[1] == 0 && sig[2] == 0) {
-            int i = 0;
-            int j = sig[i++] << 24 & 0xff000000
-                    | sig[i++] << 16 & 0x00ff0000
-                    | sig[i++] << 8 & 0x0000ff00
-                    | sig[i++] & 0x000000ff;
-            i += j;
-            j = sig[i++] << 24 & 0xff000000
-                    | sig[i++] << 16 & 0x00ff0000
-                    | sig[i++] << 8 & 0x0000ff00
-                    | sig[i++] & 0x000000ff;
-            byte[] newSig = new byte[j];
-            System.arraycopy(sig, i, newSig, 0, j);
-            return newSig;
+    /**
+     * Check whether the signature is generated using the expected algorithm, and if so, return the signature blob
+     *
+     * @param sig                  The full signature
+     * @param expectedKeyAlgorithm The expected key algorithm
+     * @return The blob part of the signature
+     */
+    protected byte[] extractSig(byte[] sig, String expectedKeyAlgorithm) {
+        Buffer.PlainBuffer buffer = new Buffer.PlainBuffer(sig);
+        try {
+            String algo = buffer.readString();
+            if (!expectedKeyAlgorithm.equals(algo)) {
+                throw new SSHRuntimeException("Expected '" + expectedKeyAlgorithm + "' key algorithm, but got: " + algo);
+            }
+            return buffer.readBytes();
+        } catch (Buffer.BufferException e) {
+            throw new SSHRuntimeException(e);
         }
-        return sig;
     }
 
-}
+}

src/main/java/net/schmizz/sshj/signature/Signature.java

@@ -22,13 +22,24 @@ import java.security.PublicKey;
 public interface Signature {
 
     /**
-     * Initialize this signature with the given public key and private key. If the private key is null, only signature
-     * verification can be performed.
+     * Initialize this signature with the given public key for signature verification.
      *
-     * @param pubkey (null-ok) specify in case verification is needed
-     * @param prvkey (null-ok) specify in case signing is needed
+     * Note that subsequent calls to either {@link #initVerify(PublicKey)} or {@link #initSign(PrivateKey)} will
+     * overwrite prior initialization.
+     *
+     * @param pubkey the public key to use for signature verification
      */
-    void init(PublicKey pubkey, PrivateKey prvkey);
+    void initVerify(PublicKey pubkey);
+
+    /**
+     * Initialize this signature with the given private key for signing.
+     *
+     * Note that subsequent calls to either {@link #initVerify(PublicKey)} or {@link #initSign(PrivateKey)} will
+     * overwrite prior initialization.
+     *
+     * @param prvkey the private key to use for signing
+     */
+    void initSign(PrivateKey prvkey);
 
     /**
      * Convenience method, same as calling {@link #update(byte[], int, int)} with offset as {@code 0} and {@code

src/main/java/net/schmizz/sshj/signature/SignatureDSA.java

@@ -17,14 +17,23 @@ package net.schmizz.sshj.signature;
 
 import net.schmizz.sshj.common.KeyType;
 import net.schmizz.sshj.common.SSHRuntimeException;
+import org.bouncycastle.asn1.*;
 
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.math.BigInteger;
 import java.security.SignatureException;
+import java.util.Arrays;
 
-/** DSA {@link Signature} */
+/**
+ * DSA {@link Signature}
+ */
 public class SignatureDSA
         extends AbstractSignature {
 
-    /** A named factory for DSA signature */
+    /**
+     * A named factory for DSA signature
+     */
     public static class Factory
             implements net.schmizz.sshj.common.Factory.Named<Signature> {
 
@@ -74,33 +83,33 @@ public class SignatureDSA
 
     @Override
     public boolean verify(byte[] sig) {
-        sig = extractSig(sig);
-
-        // ASN.1
-        int frst = (sig[0] & 0x80) != 0 ? 1 : 0;
-        int scnd = (sig[20] & 0x80) != 0 ? 1 : 0;
-
-        int length = sig.length + 6 + frst + scnd;
-        byte[] tmp = new byte[length];
-        tmp[0] = (byte) 0x30;
-        tmp[1] = (byte) 0x2c;
-        tmp[1] += frst;
-        tmp[1] += scnd;
-        tmp[2] = (byte) 0x02;
-        tmp[3] = (byte) 0x14;
-        tmp[3] += frst;
-        System.arraycopy(sig, 0, tmp, 4 + frst, 20);
-        tmp[4 + tmp[3]] = (byte) 0x02;
-        tmp[5 + tmp[3]] = (byte) 0x14;
-        tmp[5 + tmp[3]] += scnd;
-        System.arraycopy(sig, 20, tmp, 6 + tmp[3] + scnd, 20);
-        sig = tmp;
-
         try {
-            return signature.verify(sig);
+            byte[] sigBlob = extractSig(sig, "ssh-dss");
+            return signature.verify(asnEncode(sigBlob));
         } catch (SignatureException e) {
             throw new SSHRuntimeException(e);
+        } catch (IOException e) {
+            throw new SSHRuntimeException(e);
         }
     }
 
+    /**
+     * Encodes the signature as a DER sequence (ASN.1 format).
+     */
+    private byte[] asnEncode(byte[] sigBlob) throws IOException {
+        byte[] r = new BigInteger(1, Arrays.copyOfRange(sigBlob, 0, 20)).toByteArray();
+        byte[] s = new BigInteger(1, Arrays.copyOfRange(sigBlob, 20, 40)).toByteArray();
+
+        ASN1EncodableVector vector = new ASN1EncodableVector();
+        vector.add(new ASN1Integer(r));
+        vector.add(new ASN1Integer(s));
+
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream asnOS = new ASN1OutputStream(baos);
+
+        asnOS.writeObject(new DERSequence(vector));
+        asnOS.flush();
+
+        return baos.toByteArray();
+    }
 }

src/main/java/net/schmizz/sshj/signature/SignatureECDSA.java

@@ -15,19 +15,18 @@
  */
 package net.schmizz.sshj.signature;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.math.BigInteger;
-import java.security.SignatureException;
-
+import net.schmizz.sshj.common.Buffer;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.common.SSHRuntimeException;
 import org.bouncycastle.asn1.ASN1EncodableVector;
 import org.bouncycastle.asn1.ASN1Integer;
 import org.bouncycastle.asn1.ASN1OutputStream;
 import org.bouncycastle.asn1.DERSequence;
 
-import net.schmizz.sshj.common.Buffer;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.common.SSHRuntimeException;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.SignatureException;
 
 /** ECDSA {@link Signature} */
 public class SignatureECDSA extends AbstractSignature {
@@ -99,7 +98,7 @@ public class SignatureECDSA extends AbstractSignature {
         System.arraycopy(sig, 4, r, 0, rLen);
         System.arraycopy(sig, 6 + rLen, s, 0, sLen);
 
-        Buffer buf = new Buffer.PlainBuffer();
+        Buffer.PlainBuffer buf = new Buffer.PlainBuffer();
         buf.putMPInt(new BigInteger(r));
         buf.putMPInt(new BigInteger(s));
 
@@ -108,26 +107,9 @@ public class SignatureECDSA extends AbstractSignature {
 
     @Override
     public boolean verify(byte[] sig) {
-        byte[] r;
-        byte[] s;
         try {
-            Buffer sigbuf = new Buffer.PlainBuffer(sig);
-            final String algo = new String(sigbuf.readBytes());
-            if (!keyTypeName.equals(algo)) {
-                throw new SSHRuntimeException(String.format("Signature :: " + keyTypeName + " expected, got %s", algo));
-            }
-            final int rsLen = sigbuf.readUInt32AsInt();
-            if (sigbuf.available() != rsLen) {
-                throw new SSHRuntimeException("Invalid key length");
-            }
-            r = sigbuf.readBytes();
-            s = sigbuf.readBytes();
-        } catch (Exception e) {
-            throw new SSHRuntimeException(e);
-        }
-
-        try {
-            return signature.verify(asnEncode(r, s));
+            byte[] sigBlob = extractSig(sig, keyTypeName);
+            return signature.verify(asnEncode(sigBlob));
         } catch (SignatureException e) {
             throw new SSHRuntimeException(e);
         } catch (IOException e) {
@@ -135,29 +117,19 @@ public class SignatureECDSA extends AbstractSignature {
         }
     }
 
-    private byte[] asnEncode(byte[] r, byte[] s) throws IOException {
-        int rLen = r.length;
-        int sLen = s.length;
-
-        /*
-         * We can't have the high bit set, so add an extra zero at the beginning
-         * if so.
-         */
-        if ((r[0] & 0x80) != 0) {
-            rLen++;
-        }
-        if ((s[0] & 0x80) != 0) {
-            sLen++;
-        }
-
-        /* Calculate total output length */
-        int length = 6 + rLen + sLen;
+    /**
+     * Encodes the signature as a DER sequence (ASN.1 format).
+     */
+    private byte[] asnEncode(byte[] sigBlob) throws IOException {
+        Buffer.PlainBuffer sigbuf = new Buffer.PlainBuffer(sigBlob);
+        byte[] r = sigbuf.readBytes();
+        byte[] s = sigbuf.readBytes();
 
         ASN1EncodableVector vector = new ASN1EncodableVector();
         vector.add(new ASN1Integer(r));
         vector.add(new ASN1Integer(s));
 
-        ByteArrayOutputStream baos = new ByteArrayOutputStream(length);
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
         ASN1OutputStream asnOS = new ASN1OutputStream(baos);
 
         asnOS.writeObject(new DERSequence(vector));

src/main/java/net/schmizz/sshj/signature/SignatureRSA.java

@@ -51,7 +51,7 @@ public class SignatureRSA
 
     @Override
     public boolean verify(byte[] sig) {
-        sig = extractSig(sig);
+        sig = extractSig(sig, "ssh-rsa");
         try {
             return signature.verify(sig);
         } catch (SignatureException e) {

src/main/java/net/schmizz/sshj/transport/Converter.java

@@ -44,6 +44,7 @@ abstract class Converter {
     protected int cipherSize = 8;
     protected long seq = -1;
     protected boolean authed;
+    protected boolean etm;
 
     long getSequenceNumber() {
         return seq;
@@ -56,6 +57,7 @@ abstract class Converter {
         if (compression != null)
             compression.init(getCompressionType());
         this.cipherSize = cipher.getIVSize();
+        this.etm = mac.isEtm();
     }
 
     void setAuthenticated() {

src/main/java/net/schmizz/sshj/transport/Decoder.java

@@ -21,7 +21,9 @@ import net.schmizz.sshj.transport.compression.Compression;
 import net.schmizz.sshj.transport.mac.MAC;
 import org.slf4j.Logger;
 
-/** Decodes packets from the SSH binary protocol per the current algorithms. */
+/**
+ * Decodes packets from the SSH binary protocol per the current algorithms.
+ */
 final class Decoder
         extends Converter {
 
@@ -29,16 +31,26 @@ final class Decoder
 
     private final Logger log;
 
-    /** What we pass decoded packets to */
+    /**
+     * What we pass decoded packets to
+     */
     private final SSHPacketHandler packetHandler;
-    /** Buffer where as-yet undecoded data lives */
+    /**
+     * Buffer where as-yet undecoded data lives
+     */
     private final SSHPacket inputBuffer = new SSHPacket();
-    /** Used in case compression is active to store the uncompressed data */
+    /**
+     * Used in case compression is active to store the uncompressed data
+     */
     private final SSHPacket uncompressBuffer = new SSHPacket();
-    /** MAC result is stored here */
+    /**
+     * MAC result is stored here
+     */
     private byte[] macResult;
 
-    /** -1 if packet length not yet been decoded, else the packet length */
+    /**
+     * -1 if packet length not yet been decoded, else the packet length
+     */
     private int packetLength = -1;
 
     /**
@@ -60,53 +72,97 @@ final class Decoder
      */
     private int decode()
             throws SSHException {
+
+        if (etm) {
+            return decodeEtm();
+        } else {
+            return decodeMte();
+        }
+    }
+
+    /**
+     * Decode an Encrypt-Then-Mac packet.
+     */
+    private int decodeEtm() throws SSHException {
+        int bytesNeeded;
+        while (true) {
+            if (packetLength == -1) {
+                assert inputBuffer.rpos() == 0 : "buffer cleared";
+                bytesNeeded = 4 - inputBuffer.available();
+                if (bytesNeeded <= 0) {
+                    // In Encrypt-Then-Mac, the packetlength is sent unencrypted.
+                    packetLength = inputBuffer.readUInt32AsInt();
+                    checkPacketLength(packetLength);
+                } else {
+                    // Needs more data
+                    break;
+                }
+            } else {
+                assert inputBuffer.rpos() == 4 : "packet length read";
+                bytesNeeded = packetLength + mac.getBlockSize() - inputBuffer.available();
+                if (bytesNeeded <= 0) {
+                    seq = seq + 1 & 0xffffffffL;
+                    checkMAC(inputBuffer.array());
+                    decryptBuffer(4, packetLength);
+                    inputBuffer.wpos(packetLength + 4 - inputBuffer.readByte());
+                    final SSHPacket plain = usingCompression() ? decompressed() : inputBuffer;
+                    if (log.isTraceEnabled()) {
+                        log.trace("Received packet #{}: {}", seq, plain.printHex());
+                    }
+                    packetHandler.handle(plain.readMessageID(), plain); // Process the decoded packet
+                    inputBuffer.clear();
+                    packetLength = -1;
+                } else {
+                    // Needs more data
+                    break;
+                }
+            }
+        }
+        return bytesNeeded;
+    }
+
+    /**
+     * Decode a Mac-Then-Encrypt packet
+     * @return
+     * @throws SSHException
+     */
+    private int decodeMte() throws SSHException {
         int need;
 
         /* Decoding loop */
         for (; ; )
 
-            if (packetLength == -1) // Waiting for beginning of packet
-            {
-
+            if (packetLength == -1) { // Waiting for beginning of packet
                 assert inputBuffer.rpos() == 0 : "buffer cleared";
-
                 need = cipherSize - inputBuffer.available();
-                if (need <= 0)
+                if (need <= 0) {
                     packetLength = decryptLength();
-                else
+                } else {
                     // Need more data
                     break;
-
+                }
             } else {
-
                 assert inputBuffer.rpos() == 4 : "packet length read";
-
                 need = packetLength + (mac != null ? mac.getBlockSize() : 0) - inputBuffer.available();
                 if (need <= 0) {
-
-                    decryptPayload(inputBuffer.array());
-
+                    decryptBuffer(cipherSize, packetLength + 4 - cipherSize); // Decrypt the rest of the payload
                     seq = seq + 1 & 0xffffffffL;
-
-                    if (mac != null)
+                    if (mac != null) {
                         checkMAC(inputBuffer.array());
-
+                    }
                     // Exclude the padding & MAC
                     inputBuffer.wpos(packetLength + 4 - inputBuffer.readByte());
-
                     final SSHPacket plain = usingCompression() ? decompressed() : inputBuffer;
-
-                    if (log.isTraceEnabled())
+                    if (log.isTraceEnabled()) {
                         log.trace("Received packet #{}: {}", seq, plain.printHex());
-
+                    }
                     packetHandler.handle(plain.readMessageID(), plain); // Process the decoded packet
-
                     inputBuffer.clear();
                     packetLength = -1;
-
-                } else
+                } else {
                     // Need more data
                     break;
+                }
             }
 
         return need;
@@ -118,8 +174,9 @@ final class Decoder
         mac.update(data, 0, packetLength + 4); // packetLength+4 = entire packet w/o mac
         mac.doFinal(macResult, 0); // compute
         // Check against the received MAC
-        if (!ByteArrayUtils.equals(macResult, 0, data, packetLength + 4, mac.getBlockSize()))
+        if (!ByteArrayUtils.equals(macResult, 0, data, packetLength + 4, mac.getBlockSize())) {
             throw new TransportException(DisconnectReason.MAC_ERROR, "MAC Error");
+        }
     }
 
     private SSHPacket decompressed()
@@ -131,7 +188,7 @@ final class Decoder
 
     private int decryptLength()
             throws TransportException {
-        cipher.update(inputBuffer.array(), 0, cipherSize);
+        decryptBuffer(0, cipherSize);
 
         final int len; // Read packet length
         try {
@@ -140,22 +197,26 @@ final class Decoder
             throw new TransportException(be);
         }
 
-        if (isInvalidPacketLength(len)) { // Check packet length validity
-            log.error("Error decoding packet (invalid length) {}", inputBuffer.printHex());
-            throw new TransportException(DisconnectReason.PROTOCOL_ERROR, "invalid packet length: " + len);
-        }
+        checkPacketLength(len);
 
         return len;
     }
 
-    private static boolean isInvalidPacketLength(int len) {
-        return len < 5 || len > MAX_PACKET_LEN;
+    private void decryptBuffer(int offset, int length) {
+        cipher.update(inputBuffer.array(), offset, length);
     }
 
-    private void decryptPayload(final byte[] data) {
-        cipher.update(data, cipherSize, packetLength + 4 - cipherSize);
+    private void checkPacketLength(int len) throws TransportException {
+        if (len < 5 || len > MAX_PACKET_LEN) { // Check packet length validity
+            log.error("Error decoding packet (invalid length) {}", inputBuffer.printHex());
+            throw new TransportException(DisconnectReason.PROTOCOL_ERROR, "invalid packet length: " + len);
+        }
     }
 
+//    private void decryptPayload(final byte[] data, int offset, int length) {
+//        cipher.update(data, cipherSize, packetLength + 4 - cipherSize);
+//    }
+
     /**
      * Adds {@code len} bytes from {@code b} to the decoder buffer. When a packet has been successfully decoded, hooks
      * in to {@link SSHPacketHandler#handle} of the {@link SSHPacketHandler} this decoder was initialized with.

src/main/java/net/schmizz/sshj/transport/Encoder.java

@@ -62,39 +62,63 @@ final class Encoder
     long encode(SSHPacket buffer) {
         encodeLock.lock();
         try {
-            if (log.isTraceEnabled())
-                log.trace("Encoding packet #{}: {}", seq, buffer.printHex());
+            if (log.isTraceEnabled()) {
+                // Add +1 to seq as we log before actually incrementing the sequence.
+                log.trace("Encoding packet #{}: {}", seq + 1, buffer.printHex());
+            }
 
-            if (usingCompression())
+            if (usingCompression()) {
                 compress(buffer);
+            }
 
             final int payloadSize = buffer.available();
+            int lengthWithoutPadding;
+            if (etm) {
+                // in Encrypt-Then-Mac mode, the length field is not encrypted, so we should keep it out of the
+                // padding length calculation
+                lengthWithoutPadding = 1 + payloadSize; // padLength (1 byte) + payload
+            } else {
+                lengthWithoutPadding = 4 + 1 + payloadSize; // packetLength (4 bytes) + padLength (1 byte) + payload
+            }
 
             // Compute padding length
-            int padLen = -(payloadSize + 5) & cipherSize - 1;
-            if (padLen < cipherSize)
+            int padLen = cipherSize - (lengthWithoutPadding % cipherSize);
+            if (padLen < 4) {
                 padLen += cipherSize;
+            }
 
             final int startOfPacket = buffer.rpos() - 5;
-            final int packetLen = payloadSize + 1 + padLen;
+            int packetLen = 1 + payloadSize + padLen; // packetLength = padLen (1 byte) + payload + padding
+
+            if (packetLen < 16) {
+                padLen += cipherSize;
+                packetLen = 1 + payloadSize + padLen;
+            }
+
+            final int endOfPadding = startOfPacket + 4 + packetLen;
 
             // Put packet header
             buffer.wpos(startOfPacket);
             buffer.putUInt32(packetLen);
             buffer.putByte((byte) padLen);
-
             // Now wpos will mark end of padding
-            buffer.wpos(startOfPacket + 5 + payloadSize + padLen);
+            buffer.wpos(endOfPadding);
+
             // Fill padding
-            prng.fill(buffer.array(), buffer.wpos() - padLen, padLen);
+            prng.fill(buffer.array(), endOfPadding - padLen, padLen);
 
             seq = seq + 1 & 0xffffffffL;
 
-            if (mac != null)
-                putMAC(buffer, startOfPacket, buffer.wpos());
-
-            cipher.update(buffer.array(), startOfPacket, 4 + packetLen);
+            if (etm) {
+                cipher.update(buffer.array(), startOfPacket + 4, packetLen);
+                putMAC(buffer, startOfPacket, endOfPadding);
+            } else {
+                if (mac != null) {
+                    putMAC(buffer, startOfPacket, endOfPadding);
+                }
 
+                cipher.update(buffer.array(), startOfPacket, 4 + packetLen);
+            }
             buffer.rpos(startOfPacket); // Make ready-to-read
 
             return seq;

src/main/java/net/schmizz/sshj/transport/KeyExchanger.java

@@ -197,6 +197,12 @@ final class KeyExchanger
             if (hkv.verify(transport.getRemoteHost(), transport.getRemotePort(), key))
                 return;
         }
+        log.error("Disconnecting because none of the configured Host key verifiers ({}) could verify '{}' host key with fingerprint {} for {}:{}",
+                hostVerifiers,
+                KeyType.fromKey(key),
+                SecurityUtils.getFingerprint(key),
+                transport.getRemoteHost(),
+                transport.getRemotePort());
 
         throw new TransportException(DisconnectReason.HOST_KEY_NOT_VERIFIABLE,
                                      "Could not verify `" + KeyType.fromKey(key)

src/main/java/net/schmizz/sshj/transport/Reader.java

@@ -60,10 +60,8 @@ public final class Reader
                 }
             }
         } catch (Exception e) {
-            //noinspection StatementWithEmptyBody
-            if (isInterrupted()) {
-                // We are meant to shut up and draw to a close if interrupted
-            } else {
+            // We are meant to shut up and draw to a close if interrupted
+            if (!isInterrupted()) {
                 trans.die(e);
             }
         }

src/main/java/net/schmizz/sshj/transport/cipher/AES128CBC.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes128-cbc} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes128-cbc} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES128CBC()}
+ */
+@Deprecated
 public class AES128CBC
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class AES128CBC
         public String getName() {
             return "aes128-cbc";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES128CBC() {

src/main/java/net/schmizz/sshj/transport/cipher/AES128CTR.java

@@ -15,11 +15,18 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes128-ctr} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes128-ctr} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES128CTR()}
+ */
+@Deprecated
 public class AES128CTR
         extends BlockCipher {
 
-    /** Named factory for AES128CBC Cipher */
+    /** Named factory for AES128CTR Cipher */
     public static class Factory
             implements net.schmizz.sshj.common.Factory.Named<Cipher> {
 
@@ -32,6 +39,11 @@ public class AES128CTR
         public String getName() {
             return "aes128-ctr";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES128CTR() {

src/main/java/net/schmizz/sshj/transport/cipher/AES192CBC.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes192-cbc} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes192-cbc} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES192CBC()}
+ */
+@Deprecated
 public class AES192CBC
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class AES192CBC
         public String getName() {
             return "aes192-cbc";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES192CBC() {

src/main/java/net/schmizz/sshj/transport/cipher/AES192CTR.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes192-ctr} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes192-ctr} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES192CTR()}
+ */
+@Deprecated
 public class AES192CTR
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class AES192CTR
         public String getName() {
             return "aes192-ctr";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES192CTR() {

src/main/java/net/schmizz/sshj/transport/cipher/AES256CBC.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes256-ctr} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes256-cbc} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES256CBC()}
+ */
+@Deprecated
 public class AES256CBC
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class AES256CBC
         public String getName() {
             return "aes256-cbc";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES256CBC() {

src/main/java/net/schmizz/sshj/transport/cipher/AES256CTR.java

@@ -15,11 +15,18 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code aes256-ctr} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code aes256-ctr} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#AES256CTR()}
+ */
+@Deprecated
 public class AES256CTR
         extends BlockCipher {
 
-    /** Named factory for AES256CBC Cipher */
+    /** Named factory for AES256CTR Cipher */
     public static class Factory
             implements net.schmizz.sshj.common.Factory.Named<Cipher> {
 
@@ -32,6 +39,11 @@ public class AES256CTR
         public String getName() {
             return "aes256-ctr";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public AES256CTR() {

src/main/java/net/schmizz/sshj/transport/cipher/BlowfishCBC.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code blowfish-ctr} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code blowfish-bcb} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#BlowfishCBC()}
+ */
+@Deprecated
 public class BlowfishCBC
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class BlowfishCBC
         public String getName() {
             return "blowfish-cbc";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public BlowfishCBC() {

src/main/java/net/schmizz/sshj/transport/cipher/TripleDESCBC.java

@@ -15,7 +15,14 @@
  */
 package net.schmizz.sshj.transport.cipher;
 
-/** {@code 3des-cbc} cipher */
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+
+/**
+ * {@code 3des-cbc} cipher
+ *
+ * @deprecated Use {@link BlockCiphers#TripleDESCBC()}
+ */
+@Deprecated
 public class TripleDESCBC
         extends BlockCipher {
 
@@ -32,6 +39,11 @@ public class TripleDESCBC
         public String getName() {
             return "3des-cbc";
         }
+
+        @Override
+        public String toString() {
+            return getName();
+        }
     }
 
     public TripleDESCBC() {

src/main/java/net/schmizz/sshj/transport/kex/AbstractDHG.java

@@ -80,7 +80,7 @@ public abstract class AbstractDHG extends AbstractDH
 
         Signature signature = Factory.Named.Util.create(trans.getConfig().getSignatureFactories(),
                                                         KeyType.fromKey(hostKey).toString());
-        signature.init(hostKey, null);
+        signature.initVerify(hostKey);
         signature.update(H, 0, H.length);
         if (!signature.verify(sig))
             throw new TransportException(DisconnectReason.KEY_EXCHANGE_FAILED,

src/main/java/net/schmizz/sshj/transport/kex/AbstractDHGex.java

@@ -86,7 +86,7 @@ public abstract class AbstractDHGex extends AbstractDH {
         H = digest.digest();
         Signature signature = Factory.Named.Util.create(trans.getConfig().getSignatureFactories(),
                 KeyType.fromKey(hostKey).toString());
-        signature.init(hostKey, null);
+        signature.initVerify(hostKey);
         signature.update(H, 0, H.length);
         if (!signature.verify(sig))
             throw new TransportException(DisconnectReason.KEY_EXCHANGE_FAILED,

src/main/java/net/schmizz/sshj/transport/kex/Curve25519DH.java

@@ -15,16 +15,16 @@
  */
 package net.schmizz.sshj.transport.kex;
 
-import java.math.BigInteger;
-import java.security.GeneralSecurityException;
-import java.security.spec.AlgorithmParameterSpec;
-import java.util.Arrays;
+import net.schmizz.sshj.common.Factory;
+import net.schmizz.sshj.transport.random.Random;
 import org.bouncycastle.asn1.x9.X9ECParameters;
 import org.bouncycastle.crypto.ec.CustomNamedCurves;
 import org.bouncycastle.jce.spec.ECParameterSpec;
 
-import net.schmizz.sshj.common.Factory;
-import net.schmizz.sshj.transport.random.Random;
+import java.math.BigInteger;
+import java.security.GeneralSecurityException;
+import java.security.spec.AlgorithmParameterSpec;
+import java.util.Arrays;
 
 public class Curve25519DH extends DHBase {
 

src/main/java/net/schmizz/sshj/transport/kex/Curve25519SHA256.java

@@ -21,7 +21,7 @@ import java.security.GeneralSecurityException;
 
 public class Curve25519SHA256 extends AbstractDHG {
     /** Named factory for Curve25519SHA256 key exchange */
-    public static class Factory
+    public static class FactoryLibSsh
             implements net.schmizz.sshj.common.Factory.Named<KeyExchange> {
 
         @Override
@@ -35,6 +35,21 @@ public class Curve25519SHA256 extends AbstractDHG {
         }
     }
 
+    /** Named factory for Curve25519SHA256 key exchange */
+    public static class Factory
+            implements net.schmizz.sshj.common.Factory.Named<KeyExchange> {
+
+        @Override
+        public KeyExchange create() {
+            return new Curve25519SHA256();
+        }
+
+        @Override
+        public String getName() {
+            return "curve25519-sha256";
+        }
+    }
+
     public Curve25519SHA256() {
         super(new Curve25519DH(), new SHA256());
     }

src/main/java/net/schmizz/sshj/transport/mac/BaseMAC.java

@@ -30,12 +30,18 @@ public class BaseMAC
     private final int defbsize;
     private final int bsize;
     private final byte[] tmp;
+    private final boolean etm;
     private javax.crypto.Mac mac;
 
     public BaseMAC(String algorithm, int bsize, int defbsize) {
+        this(algorithm, bsize, defbsize, false);
+    }
+
+    public BaseMAC(String algorithm, int bsize, int defbsize, boolean isEtm) {
         this.algorithm = algorithm;
         this.bsize = bsize;
         this.defbsize = defbsize;
+        this.etm = isEtm;
         tmp = new byte[defbsize];
     }
 
@@ -112,4 +118,8 @@ public class BaseMAC
         update(tmp, 0, 4);
     }
 
+    @Override
+    public boolean isEtm() {
+        return etm;
+    }
 }

src/main/java/net/schmizz/sshj/transport/mac/HMACMD5.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-MD5 <code>MAC</code>. */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-MD5 <code>MAC</code>.
+ *
+ * @deprecated Use {@link Macs#HMACMD5()}
+ */
 public class HMACMD5
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/HMACMD596.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-MD5-96 <code>MAC</code> */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-MD5-96 <code>MAC</code>
+ *
+ * @deprecated Use {@link Macs#HMACMD596()}
+ */
 public class HMACMD596
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/HMACRIPEMD160.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.schmizz.sshj.transport.mac;
+
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/**
+ * @deprecated Use {@link Macs#HMACRIPEMD160()}
+ */
+public class HMACRIPEMD160 extends BaseMAC {
+    /** Named factory for the HMAC-RIPEMD160 <code>MAC</code> */
+    public static class Factory
+            implements net.schmizz.sshj.common.Factory.Named<MAC> {
+
+        @Override
+        public MAC create() {
+            return new HMACRIPEMD160();
+        }
+
+        @Override
+        public String getName() {
+            return "hmac-ripemd160";
+        }
+    }
+
+
+    public HMACRIPEMD160() {
+        super("HMACRIPEMD160", 20, 20);
+    }
+}

src/main/java/net/schmizz/sshj/transport/mac/HMACSHA1.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-SHA1 <code>MAC</code> */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-SHA1 <code>MAC</code>
+ *
+ * @deprecated Use {@link Macs#HMACSHA1()}
+ */
 public class HMACSHA1
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/HMACSHA196.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-SHA1-96 <code>MAC</code> */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-SHA1-96 <code>MAC</code>
+ *
+ * @deprecated Use {@link Macs#HMACSHA196()}
+ */
 public class HMACSHA196
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/HMACSHA2256.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-SHA1 <code>MAC</code> */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-SHA1 <code>MAC</code>
+ *
+ * @deprecated Use {@link Macs#HMACSHA2256()}
+ */
 public class HMACSHA2256
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/HMACSHA2512.java

@@ -15,7 +15,12 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** HMAC-SHA1 <code>MAC</code> */
+import com.hierynomus.sshj.transport.mac.Macs;
+
+/** HMAC-SHA1 <code>MAC</code>
+ *
+ * @deprecated Use {@link Macs#HMACSHA2512()}
+ */
 public class HMACSHA2512
         extends BaseMAC {
 

src/main/java/net/schmizz/sshj/transport/mac/MAC.java

@@ -15,7 +15,9 @@
  */
 package net.schmizz.sshj.transport.mac;
 
-/** Message Authentication Code for use in SSH. It usually wraps a javax.crypto.Mac class. */
+/**
+ * Message Authentication Code for use in SSH. It usually wraps a javax.crypto.Mac class.
+ */
 public interface MAC {
 
     byte[] doFinal();
@@ -33,4 +35,40 @@ public interface MAC {
     void update(byte[] foo, int start, int len);
 
     void update(long foo);
+
+    /**
+     * Indicates that an Encrypt-Then-Mac algorithm was selected.
+     * <p>
+     * This has the following implementation details.
+     * 1.5 transport: Protocol 2 Encrypt-then-MAC MAC algorithms
+     * <p>
+     * OpenSSH supports MAC algorithms, whose names contain "-etm", that
+     * perform the calculations in a different order to that defined in RFC
+     * 4253. These variants use the so-called "encrypt then MAC" ordering,
+     * calculating the MAC over the packet ciphertext rather than the
+     * plaintext. This ordering closes a security flaw in the SSH transport
+     * protocol, where decryption of unauthenticated ciphertext provided a
+     * "decryption oracle" that could, in conjunction with cipher flaws, reveal
+     * session plaintext.
+     * <p>
+     * Specifically, the "-etm" MAC algorithms modify the transport protocol
+     * to calculate the MAC over the packet ciphertext and to send the packet
+     * length unencrypted. This is necessary for the transport to obtain the
+     * length of the packet and location of the MAC tag so that it may be
+     * verified without decrypting unauthenticated data.
+     * <p>
+     * As such, the MAC covers:
+     * <p>
+     * mac = MAC(key, sequence_number || packet_length || encrypted_packet)
+     * <p>
+     * where "packet_length" is encoded as a uint32 and "encrypted_packet"
+     * contains:
+     * <p>
+     * byte      padding_length
+     * byte[n1]  payload; n1 = packet_length - padding_length - 1
+     * byte[n2] random padding; n2 = padding_length
+     *
+     * @return Whether the MAC algorithm is an Encrypt-Then-Mac algorithm
+     */
+    boolean isEtm();
 }

src/main/java/net/schmizz/sshj/transport/random/JCERandom.java

@@ -15,10 +15,11 @@
  */
 package net.schmizz.sshj.transport.random;
 
-import java.security.SecureRandom;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.security.SecureRandom;
+
 /** A {@link Random} implementation using the built-in {@link SecureRandom} PRNG. */
 public class JCERandom
         implements Random {

src/main/java/net/schmizz/sshj/transport/verification/ConsoleKnownHostsVerifier.java

@@ -41,7 +41,7 @@ public class ConsoleKnownHostsVerifier
     protected boolean hostKeyUnverifiableAction(String hostname, PublicKey key) {
         final KeyType type = KeyType.fromKey(key);
         console.printf("The authenticity of host '%s' can't be established.\n" +
-                               "%s key fingerprint is %s.\n", hostname, type, SecurityUtils.getFingerprint(key));
+                "%s key fingerprint is %s.\n", hostname, type, SecurityUtils.getFingerprint(key));
         String response = console.readLine("Are you sure you want to continue connecting (yes/no)? ");
         while (!(response.equalsIgnoreCase(YES) || response.equalsIgnoreCase(NO))) {
             response = console.readLine("Please explicitly enter yes/no: ");
@@ -60,7 +60,7 @@ public class ConsoleKnownHostsVerifier
     }
 
     @Override
-    protected boolean hostKeyChangedAction(KnownHostEntry entry, String hostname, PublicKey key) {
+    protected boolean hostKeyChangedAction(String hostname, PublicKey key) {
         final KeyType type = KeyType.fromKey(key);
         final String fp = SecurityUtils.getFingerprint(key);
         final String path = getFile().getAbsolutePath();

src/main/java/net/schmizz/sshj/transport/verification/FingerprintVerifier.java

@@ -0,0 +1,127 @@
+/*
+ * Copyright (C)2009 - SSHJ Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package net.schmizz.sshj.transport.verification;
+
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.security.MessageDigest;
+import java.security.PublicKey;
+import java.util.Arrays;
+import java.util.regex.Pattern;
+
+import net.schmizz.sshj.common.Base64;
+import net.schmizz.sshj.common.Buffer;
+import net.schmizz.sshj.common.SSHRuntimeException;
+import net.schmizz.sshj.common.SecurityUtils;
+
+public class FingerprintVerifier implements HostKeyVerifier {
+    private static final Pattern MD5_FINGERPRINT_PATTERN = Pattern.compile("[0-9a-f]{2}+(:[0-9a-f]{2}+){15}+");
+    /**
+     * Valid examples:
+     *
+     * <ul>
+     * <li><code>4b:69:6c:72:6f:79:20:77:61:73:20:68:65:72:65:21</code></li>
+     * <li><code>MD5:4b:69:6c:72:6f:79:20:77:61:73:20:68:65:72:65:21</code></li>
+     * <li><code>SHA1:FghNYu1l/HyE/qWbdQ2mkxrd0rU</code></li>
+     * <li><code>SHA1:FghNYu1l/HyE/qWbdQ2mkxrd0rU=</code></li>
+     * <li><code>SHA256:l/SjyCoKP8jAx3d8k8MWH+UZG0gcuIR7TQRE/A3faQo</code></li>
+     * <li><code>SHA256:l/SjyCoKP8jAx3d8k8MWH+UZG0gcuIR7TQRE/A3faQo=</code></li>
+     * </ul>
+     *
+     *
+     * @param fingerprint of an SSH fingerprint in MD5 (hex), SHA-1 (base64) or SHA-256(base64) format
+     *
+     * @return
+     */
+    public static HostKeyVerifier getInstance(String fingerprint) {
+
+        try {
+            if (fingerprint.startsWith("SHA1:")) {
+                return new FingerprintVerifier("SHA-1", fingerprint.substring(5));
+            }
+
+            if (fingerprint.startsWith("SHA256:")) {
+                return new FingerprintVerifier("SHA-256", fingerprint.substring(7));
+            }
+
+            final String md5;
+            if (fingerprint.startsWith("MD5:")) {
+                md5 = fingerprint.substring(4); // remove the MD5: prefix
+            } else {
+                md5 = fingerprint;
+            }
+
+            if (!MD5_FINGERPRINT_PATTERN.matcher(md5).matches()) {
+                throw new SSHRuntimeException("Invalid MD5 fingerprint: " + fingerprint);
+            }
+
+            // Use the old default fingerprint verifier for md5 fingerprints
+            return (new HostKeyVerifier() {
+                @Override
+                public boolean verify(String h, int p, PublicKey k) {
+                    return SecurityUtils.getFingerprint(k).equals(md5);
+                }
+            });
+        } catch (SSHRuntimeException e) {
+            throw e;
+        } catch (IOException e) {
+            throw new SSHRuntimeException(e);
+        }
+
+    }
+
+    private final String digestAlgorithm;
+    private final byte[] fingerprintData;
+
+    /**
+     *
+     * @param digestAlgorithm
+     *            the used digest algorithm
+     * @param base64Fingerprint
+     *            base64 encoded fingerprint data
+     *
+     * @throws IOException
+     */
+    private FingerprintVerifier(String digestAlgorithm, String base64Fingerprint) throws IOException {
+        this.digestAlgorithm = digestAlgorithm;
+
+        // if the length is not padded with "=" chars at the end so that it is divisible by 4 the SSHJ Base64 implementation does not work correctly
+        StringBuilder base64FingerprintBuilder = new StringBuilder(base64Fingerprint);
+        while (base64FingerprintBuilder.length() % 4 != 0) {
+            base64FingerprintBuilder.append("=");
+        }
+        fingerprintData = Base64.decode(base64FingerprintBuilder.toString());
+    }
+
+    @Override
+    public boolean verify(String hostname, int port, PublicKey key) {
+        MessageDigest digest;
+        try {
+            digest = SecurityUtils.getMessageDigest(digestAlgorithm);
+        } catch (GeneralSecurityException e) {
+            throw new SSHRuntimeException(e);
+        }
+        digest.update(new Buffer.PlainBuffer().putPublicKey(key).getCompactData());
+
+        byte[] digestData = digest.digest();
+        return Arrays.equals(fingerprintData, digestData);
+    }
+
+    @Override
+    public String toString() {
+        return "FingerprintVerifier{digestAlgorithm='" + digestAlgorithm + "'}";
+    }
+}

src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java

@@ -87,14 +87,23 @@ public class OpenSSHKnownHosts
 
         final String adjustedHostname = (port != 22) ? "[" + hostname + "]:" + port : hostname;
 
+        boolean foundApplicableHostEntry = false;
         for (KnownHostEntry e : entries) {
             try {
-                if (e.appliesTo(type, adjustedHostname))
-                    return e.verify(key) || hostKeyChangedAction(e, adjustedHostname, key);
+                if (e.appliesTo(type, adjustedHostname)) {
+                    foundApplicableHostEntry = true;
+                    if (e.verify(key)) {
+                        return true;
+                    }
+                }
             } catch (IOException ioe) {
                 log.error("Error with {}: {}", e, ioe);
                 return false;
             }
+
+        }
+        if (foundApplicableHostEntry) {
+            return hostKeyChangedAction(adjustedHostname, key);
         }
 
         return hostKeyUnverifiableAction(adjustedHostname, key);
@@ -104,7 +113,7 @@ public class OpenSSHKnownHosts
         return false;
     }
 
-    protected boolean hostKeyChangedAction(KnownHostEntry entry, String hostname, PublicKey key) {
+    protected boolean hostKeyChangedAction(String hostname, PublicKey key) {
         log.warn("Host key for `{}` has changed!", hostname);
         return false;
     }
@@ -199,7 +208,7 @@ public class OpenSSHKnownHosts
             }
             if(split.length < 3) {
                 log.error("Error reading entry `{}`", line);
-                return null;
+                return new BadHostEntry(line);
             }
             final String hostnames = split[i++];
             final String sType = split[i++];
@@ -209,7 +218,13 @@ public class OpenSSHKnownHosts
 
             if (type != KeyType.UNKNOWN) {
                 final String sKey = split[i++];
-                key = new Buffer.PlainBuffer(Base64.decode(sKey)).readPublicKey();
+                try {
+                    byte[] keyBytes = Base64.decode(sKey);
+                    key = new Buffer.PlainBuffer(keyBytes).readPublicKey();
+                } catch (IOException ioe) {
+                    log.warn("Error decoding Base64 key bytes", ioe);
+                    return new BadHostEntry(line);
+                }
             } else if (isBits(sType)) {
                 type = KeyType.RSA;
                 // int bits = Integer.valueOf(sType);
@@ -220,11 +235,11 @@ public class OpenSSHKnownHosts
                     key = keyFactory.generatePublic(new RSAPublicKeySpec(n, e));
                 } catch (Exception ex) {
                     log.error("Error reading entry `{}`, could not create key", line, ex);
-                    return null;
+                    return new BadHostEntry(line);
                 }
             } else {
                 log.error("Error reading entry `{}`, could not determine type", line);
-                return null;
+                return new BadHostEntry(line);
             }
 
             return new HostEntry(marker, hostnames, type, key);
@@ -310,7 +325,7 @@ public class OpenSSHKnownHosts
         protected final PublicKey key;
         private final KnownHostMatchers.HostMatcher matcher;
 
-        HostEntry(Marker marker, String hostPart, KeyType type, PublicKey key) throws SSHException {
+        public HostEntry(Marker marker, String hostPart, KeyType type, PublicKey key) throws SSHException {
             this.marker = marker;
             this.hostPart = hostPart;
             this.type = type;
@@ -340,7 +355,7 @@ public class OpenSSHKnownHosts
 
         @Override
         public boolean verify(PublicKey key) throws IOException {
-            return key.equals(this.key) && marker != Marker.REVOKED;
+            return getKeyString(key).equals(getKeyString(this.key)) && marker != Marker.REVOKED;
         }
 
         public String getLine() {
@@ -350,17 +365,55 @@ public class OpenSSHKnownHosts
 
             line.append(getHostPart());
             line.append(" ").append(type.toString());
-            line.append(" ").append(getKeyString());
+            line.append(" ").append(getKeyString(key));
             return line.toString();
         }
 
-        private String getKeyString() {
-            final Buffer.PlainBuffer buf = new Buffer.PlainBuffer().putPublicKey(key);
+        private String getKeyString(PublicKey pk) {
+            final Buffer.PlainBuffer buf = new Buffer.PlainBuffer().putPublicKey(pk);
             return Base64.encodeBytes(buf.array(), buf.rpos(), buf.available());
         }
 
         protected String getHostPart() {
-            return  hostPart;
+            return hostPart;
+        }
+    }
+
+    public static class BadHostEntry implements KnownHostEntry {
+        private String line;
+
+        public BadHostEntry(String line) {
+            this.line = line;
+        }
+
+        @Override
+        public KeyType getType() {
+            return KeyType.UNKNOWN;
+        }
+
+        @Override
+        public String getFingerprint() {
+            return null;
+        }
+
+        @Override
+        public boolean appliesTo(String host) throws IOException {
+            return false;
+        }
+
+        @Override
+        public boolean appliesTo(KeyType type, String host) throws IOException {
+            return false;
+        }
+
+        @Override
+        public boolean verify(PublicKey key) throws IOException {
+            return false;
+        }
+
+        @Override
+        public String getLine() {
+            return line;
         }
     }
 
@@ -387,4 +440,10 @@ public class OpenSSHKnownHosts
             return null;
         }
     }
+
+    @Override
+    public String toString() {
+        return "OpenSSHKnownHosts{khFile='" + khFile + "'}";
+    }
+
 }

src/main/java/net/schmizz/sshj/userauth/keyprovider/BaseFileKeyProvider.java

@@ -15,6 +15,9 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.userauth.password.*;
+
 import java.io.File;
 import java.io.IOException;
 import java.io.Reader;
@@ -22,9 +25,6 @@ import java.security.KeyPair;
 import java.security.PrivateKey;
 import java.security.PublicKey;
 
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.userauth.password.*;
-
 public abstract class BaseFileKeyProvider implements FileKeyProvider {
     protected Resource<?> resource;
     protected PasswordFinder pwdf;

src/main/java/net/schmizz/sshj/userauth/keyprovider/KeyProviderUtil.java

@@ -15,10 +15,10 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
 import net.schmizz.sshj.common.IOUtils;
 
 import java.io.*;
-import com.hierynomus.sshj.userauth.keyprovider.OpenSSHKeyV1KeyFile;
 
 public class KeyProviderUtil {
 
@@ -89,7 +89,7 @@ public class KeyProviderUtil {
 
     private static KeyFormat keyFormatFromHeader(String header, boolean separatePubKey) {
         if (header.startsWith("-----BEGIN") && header.endsWith("PRIVATE KEY-----")) {
-            if (separatePubKey && header.contains(OpenSSHKeyV1KeyFile.OPENSSH_PRIVATE_KEY)) {
+            if (header.contains(OpenSSHKeyV1KeyFile.OPENSSH_PRIVATE_KEY)) {
                 return KeyFormat.OpenSSHv1;
             } else if (separatePubKey) {
                 // Can delay asking for password since have unencrypted pubkey

src/main/java/net/schmizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java

@@ -75,7 +75,12 @@ public class OpenSSHKeyFile
     @Override
     public void init(String privateKey, String publicKey) {
         if (publicKey != null) {
-            initPubKey(new StringReader(publicKey));
+            try {
+                initPubKey(new StringReader(publicKey));
+            } catch (IOException e) {
+                // let super provide both public & private key
+                log.warn("Error reading public key: {}", e.toString());
+            }
         }
         super.init(privateKey, null);
     }
@@ -85,23 +90,18 @@ public class OpenSSHKeyFile
      *
      * @param publicKey Public key accessible through a {@code Reader}
      */
-    private void initPubKey(Reader publicKey) {
+    private void initPubKey(Reader publicKey) throws IOException {
+        final BufferedReader br = new BufferedReader(publicKey);
         try {
-            final BufferedReader br = new BufferedReader(publicKey);
-            try {
-                final String keydata = br.readLine();
-                if (keydata != null) {
-                    String[] parts = keydata.trim().split(" ");
-                    assert parts.length >= 2;
-                    type = KeyType.fromString(parts[0]);
-                    pubKey = new Buffer.PlainBuffer(Base64.decode(parts[1])).readPublicKey();
-                }
-            } finally {
-                br.close();
+            final String keydata = br.readLine();
+            if (keydata != null) {
+                String[] parts = keydata.trim().split(" ");
+                assert parts.length >= 2;
+                type = KeyType.fromString(parts[0]);
+                pubKey = new Buffer.PlainBuffer(Base64.decode(parts[1])).readPublicKey();
             }
-        } catch (IOException e) {
-            // let super provide both public & private key
-            log.warn("Error reading public key: {}", e.toString());
+        } finally {
+            br.close();
         }
     }
 }

src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS5KeyFile.java

@@ -15,6 +15,15 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import com.hierynomus.sshj.transport.cipher.BlockCiphers;
+import net.schmizz.sshj.common.Base64;
+import net.schmizz.sshj.common.ByteArrayUtils;
+import net.schmizz.sshj.common.IOUtils;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.transport.cipher.*;
+import net.schmizz.sshj.transport.digest.Digest;
+import net.schmizz.sshj.transport.digest.MD5;
+
 import java.io.BufferedReader;
 import java.io.EOFException;
 import java.io.IOException;
@@ -24,14 +33,6 @@ import java.nio.CharBuffer;
 import java.security.*;
 import java.security.spec.*;
 import java.util.Arrays;
-import javax.xml.bind.DatatypeConverter;
-
-import net.schmizz.sshj.common.Base64;
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.transport.cipher.*;
-import net.schmizz.sshj.transport.digest.Digest;
-import net.schmizz.sshj.transport.digest.MD5;
 
 /**
  * Represents a PKCS5-encoded key file. This is the format typically used by OpenSSH, OpenSSL, Amazon, etc.
@@ -116,17 +117,17 @@ public class PKCS5KeyFile extends BaseFileKeyProvider {
                         } else {
                             String algorithm = line.substring(10, ptr);
                             if ("DES-EDE3-CBC".equals(algorithm)) {
-                                cipher = new TripleDESCBC();
+                                cipher = BlockCiphers.TripleDESCBC().create();
                             } else if ("AES-128-CBC".equals(algorithm)) {
-                                cipher = new AES128CBC();
+                                cipher = BlockCiphers.AES128CBC().create();
                             } else if ("AES-192-CBC".equals(algorithm)) {
-                                cipher = new AES192CBC();
+                                cipher = BlockCiphers.AES192CBC().create();
                             } else if ("AES-256-CBC".equals(algorithm)) {
-                                cipher = new AES256CBC();
+                                cipher = BlockCiphers.AES256CBC().create();
                             } else {
                                 throw new FormatException("Not a supported algorithm: " + algorithm);
                             }
-                            iv = Arrays.copyOfRange(DatatypeConverter.parseHexBinary(line.substring(ptr + 1)), 0, cipher.getIVSize());
+                            iv = Arrays.copyOfRange(ByteArrayUtils.parseHex(line.substring(ptr + 1)), 0, cipher.getIVSize());
                         }
                     } else if (line.length() > 0) {
                         sb.append(line);

src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java

@@ -15,8 +15,9 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
-import java.io.IOException;
-import java.security.KeyPair;
+import net.schmizz.sshj.common.IOUtils;
+import net.schmizz.sshj.common.SecurityUtils;
+import net.schmizz.sshj.userauth.password.PasswordUtils;
 import org.bouncycastle.openssl.EncryptionException;
 import org.bouncycastle.openssl.PEMEncryptedKeyPair;
 import org.bouncycastle.openssl.PEMKeyPair;
@@ -26,8 +27,8 @@ import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import net.schmizz.sshj.common.IOUtils;
-import net.schmizz.sshj.userauth.password.PasswordUtils;
+import java.io.IOException;
+import java.security.KeyPair;
 
 /** Represents a PKCS8-encoded key file. This is the format used by (old-style) OpenSSH and OpenSSL. */
 public class PKCS8KeyFile extends BaseFileKeyProvider {
@@ -62,12 +63,12 @@ public class PKCS8KeyFile extends BaseFileKeyProvider {
                 final Object o = r.readObject();
 
                 final JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
-                pemConverter.setProvider("BC");
+                pemConverter.setProvider(SecurityUtils.getSecurityProvider());
 
                 if (o instanceof PEMEncryptedKeyPair) {
                     final PEMEncryptedKeyPair encryptedKeyPair = (PEMEncryptedKeyPair) o;
                     JcePEMDecryptorProviderBuilder decryptorBuilder = new JcePEMDecryptorProviderBuilder();
-                    decryptorBuilder.setProvider("BC");
+                    decryptorBuilder.setProvider(SecurityUtils.getSecurityProvider());
                     try {
                         passphrase = pwdf == null ? null : pwdf.reqPassword(resource);
                         kp = pemConverter.getKeyPair(encryptedKeyPair.decryptKeyPair(decryptorBuilder.build(passphrase)));

src/main/java/net/schmizz/sshj/userauth/keyprovider/PuTTYKeyFile.java

@@ -15,21 +15,21 @@
  */
 package net.schmizz.sshj.userauth.keyprovider;
 
+import net.schmizz.sshj.common.Base64;
+import net.schmizz.sshj.common.KeyType;
+import net.schmizz.sshj.userauth.password.PasswordUtils;
+import org.bouncycastle.util.encoders.Hex;
+
+import javax.crypto.Cipher;
+import javax.crypto.Mac;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
 import java.io.*;
 import java.math.BigInteger;
 import java.security.*;
 import java.security.spec.*;
 import java.util.HashMap;
 import java.util.Map;
-import javax.crypto.Cipher;
-import javax.crypto.Mac;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import org.bouncycastle.util.encoders.Hex;
-
-import net.schmizz.sshj.common.Base64;
-import net.schmizz.sshj.common.KeyType;
-import net.schmizz.sshj.userauth.password.PasswordUtils;
 
 /**
  * <h2>Sample PuTTY file format</h2>