// References inside a Manifest.
try {
SignedInfo si = this.getSignedInfo();
//create a SignatureAlgorithms from the SignatureMethod inside
//SignedInfo. This is used to validate the signature.
SignatureAlgorithm sa = si.getSignatureAlgorithm();
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "signatureMethodURI = " + sa.getAlgorithmURI());
log.log(java.util.logging.Level.FINE, "jceSigAlgorithm = " + sa.getJCEAlgorithmString());
log.log(java.util.logging.Level.FINE, "jceSigProvider = " + sa.getJCEProviderName());
log.log(java.util.logging.Level.FINE, "PublicKey = " + pk);
}
byte sigBytes[] = null;
try {
sa.initVerify(pk);
// Get the canonicalized (normalized) SignedInfo
SignerOutputStream so = new SignerOutputStream(sa);
OutputStream bos = new UnsyncBufferedOutputStream(so);
si.signInOctetStream(bos);
bos.close();
// retrieve the byte[] from the stored signature
sigBytes = this.getSignatureValue();
} catch (IOException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, ex.getMessage(), ex);
}
// Impossible...
} catch (XMLSecurityException ex) {
throw ex;
}
// 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);