fix exception when parsing max possible date (#513)

* fix exception when parsing max possible date

* added test with rsa cert with large date
This commit is contained in:
Adam Iwaniuk
2019-05-27 10:12:45 +02:00
committed by Jeroen van Erp
parent c2b9c0266d
commit 3c594d9a1c
4 changed files with 53 additions and 4 deletions

View File

@@ -315,8 +315,8 @@ public enum KeyType {
builder.type(buf.readUInt32());
builder.id(buf.readString());
builder.validPrincipals(unpackList(buf.readBytes()));
builder.validAfter(dateFromEpoch(buf.readUInt64()));
builder.validBefore(dateFromEpoch(buf.readUInt64()));
builder.validAfter(dateFromEpoch(buf.readUInt64AsBigInteger()));
builder.validBefore(dateFromEpoch(buf.readUInt64AsBigInteger()));
builder.critOptions(unpackMap(buf.readBytes()));
builder.extensions(unpackMap(buf.readBytes()));
buf.readString(); // reserved
@@ -364,8 +364,13 @@ public enum KeyType {
return ((Certificate<PublicKey>) key);
}
private static Date dateFromEpoch(long seconds) {
return new Date(seconds * 1000);
private static Date dateFromEpoch(BigInteger seconds) {
BigInteger maxValue = BigInteger.valueOf(Long.MAX_VALUE / 1000);
if (seconds.compareTo(maxValue) > 0) {
return new Date(maxValue.longValue() * 1000);
} else {
return new Date(seconds.longValue() * 1000);
}
}
private static long epochFromDate(Date date) {