/**
* Verifies the validity of checksum field
*
* @param data the application data
* @param offset the offset where the data begins
* @param len the length of the application data
* @throws GSSException if an error occurs in the checksum calculation
*/
public final boolean verifySign(byte[] data, int offset, int len) throws GSSException {
// debug("\t====In verifySign:====\n");
// debug("\t\t checksum: [" + getHexBytes(checksum) + "]\n");
// debug("\t\t data = [" + getHexBytes(data) + "]\n");
byte[] myChecksum = getChecksum(data, offset, len);
// debug("\t\t mychecksum: [" + getHexBytes(myChecksum) +"]\n");
if (MessageDigest.isEqual(checksum, myChecksum)) {
// debug("\t\t====Checksum PASS:====\n");
return true;
}
return false;
}
