//retrieve the byte[] from the stored signature
byte sigBytes[] = this.getSignatureValue();
//Have SignatureAlgorithm sign the input bytes and compare them to the
//bytes that were stored in the signature.
if (!sa.verify(sigBytes)) {
log.log(java.util.logging.Level.WARNING, "Signature verification failed.");
return false;
}
return si.verify(this._followManifestsDuringValidation);