本文整理汇总了Java中com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm.initVerify方法的典型用法代码示例。如果您正苦于以下问题：Java SignatureAlgorithm.initVerify方法的具体用法？Java SignatureAlgorithm.initVerify怎么用？Java SignatureAlgorithm.initVerify使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm的用法示例。
在下文中一共展示了SignatureAlgorithm.initVerify方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: checkSignatureValue
import com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm; //导入方法依赖的package包/类
/**
* Verifies if the signature is valid by redigesting all References,
* comparing those against the stored DigestValues and then checking to see
* if the Signatures match on the SignedInfo.
*
* @param pk {@link java.security.PublicKey} part of the keypair or {@link javax.crypto.SecretKey} that was used to sign
* @return true if the signature is valid, false otherwise
* @throws XMLSignatureException
*/
public boolean checkSignatureValue(Key pk) throws XMLSignatureException {
//COMMENT: pk suggests it can only be a public key?
//check to see if the key is not null
if (pk == null) {
Object exArgs[] = { "Didn't get a key" };
throw new XMLSignatureException("empty", exArgs);
}
// all references inside the signedinfo need to be dereferenced and
// digested again to see if the outcome matches the stored value in the
// SignedInfo.
// If _followManifestsDuringValidation is true it will do the same for
// 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);
}
sa.initVerify(pk);
// Get the canonicalized (normalized) SignedInfo
SignerOutputStream so=new SignerOutputStream(sa);
OutputStream bos=new UnsyncBufferedOutputStream(so);
si.signInOctectStream(bos);
try {
bos.close();
} catch (IOException e) {
//Imposible
}
//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);
} catch (XMLSecurityException ex) {
throw new XMLSignatureException("empty", ex);
}
}