/// <summary>Note: This can only be called after the message has been read.</summary>
/// <returns>True, if the message verifies, false otherwise</returns>
public bool Verify()
{
if (!IsIntegrityProtected())
{
throw new PgpException("data not integrity protected.");
}
DigestStream dIn = (DigestStream)encStream;
//
// make sure we are at the end.
//
while (encStream.ReadByte() >= 0)
{
// do nothing
}
//
// process the MDC packet
//
byte[] lookAhead = truncStream.GetLookAhead();
IDigest hash = dIn.ReadDigest();
hash.BlockUpdate(lookAhead, 0, 2);
byte[] digest = DigestUtilities.DoFinal(hash);
byte[] streamDigest = new byte[digest.Length];
Array.Copy(lookAhead, 2, streamDigest, 0, streamDigest.Length);
return(Arrays.AreEqual(digest, streamDigest));
}
public bool Verify()
{
if (!IsIntegrityProtected())
{
throw new PgpException("data not integrity protected.");
}
DigestStream digestStream = (DigestStream)encStream;
while (encStream.ReadByte() >= 0)
{
}
byte[] lookAhead = truncStream.GetLookAhead();
IDigest digest = digestStream.ReadDigest();
digest.BlockUpdate(lookAhead, 0, 2);
byte[] array = DigestUtilities.DoFinal(digest);
byte[] array2 = new byte[array.Length];
Array.Copy(lookAhead, 2, array2, 0, array2.Length);
return(Arrays.ConstantTimeAreEqual(array, array2));
}