Hi,
I have a timestamp that was built with an algorithm SHA-256. When I use the
verifyTimestampImprint() function to verify the timestamp, it fails.
Thus, I had to change the function as follows:
public boolean verifyTimestampImprint() throws NoSuchAlgorithmException {
if (timeStampToken == null)
return false;
TimeStampTokenInfo info = timeStampToken.getTimeStampInfo();
MessageImprint imprint = info.toTSTInfo().getMessageImprint();
String algOID = info.getMessageImprintAlgOID();
byte[] md = MessageDigest.getInstance(algOID).digest(digest);
byte[] imphashed = imprint.getHashedMessage();
boolean res = Arrays.equals(md, imphashed);
return res;
}
and it works.
If you found other ways to verify timestamp built with an algorithm SHA-256
please let me know.
Regards,
Alfonso Massa
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