本文整理汇总了Java中org.bouncycastle.crypto.signers.PSSSigner.update方法的典型用法代码示例。如果您正苦于以下问题：Java PSSSigner.update方法的具体用法？Java PSSSigner.update怎么用？Java PSSSigner.update使用的例子？那么恭喜您, 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org.bouncycastle.crypto.signers.PSSSigner的用法示例。
在下文中一共展示了PSSSigner.update方法的4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: testSig
import org.bouncycastle.crypto.signers.PSSSigner; //导入方法依赖的package包/类
private void testSig(
int id,
RSAKeyParameters pub,
RSAKeyParameters prv,
byte[] slt,
byte[] msg,
byte[] sig)
throws Exception
{
RSABlindingFactorGenerator blindFactorGen = new RSABlindingFactorGenerator();
RSABlindingEngine blindingEngine = new RSABlindingEngine();
PSSSigner blindSigner = new PSSSigner(blindingEngine, new SHA1Digest(), 20);
PSSSigner signer = new PSSSigner(new RSAEngine(), new SHA1Digest(), 20);
blindFactorGen.init(pub);
BigInteger blindFactor = blindFactorGen.generateBlindingFactor();
RSABlindingParameters params = new RSABlindingParameters(pub, blindFactor);
// generate a blind signature
blindSigner.init(true, new ParametersWithRandom(params, new FixedRandom(slt)));
blindSigner.update(msg, 0, msg.length);
byte[] blindedData = blindSigner.generateSignature();
RSAEngine signerEngine = new RSAEngine();
signerEngine.init(true, prv);
byte[] blindedSig = signerEngine.processBlock(blindedData, 0, blindedData.length);
// unblind the signature
blindingEngine.init(false, params);
byte[] s = blindingEngine.processBlock(blindedSig, 0, blindedSig.length);
//signature verification
if (!areEqual(s, sig))
{
fail("test " + id + " failed generation");
}
//verify signature with PSSSigner
signer.init(false, pub);
signer.update(msg, 0, msg.length);
if (!signer.verifySignature(s))
{
fail("test " + id + " failed PSSSigner verification");
}
}
示例2: testSig
import org.bouncycastle.crypto.signers.PSSSigner; //导入方法依赖的package包/类
private void testSig(
int id,
RSAKeyParameters pub,
RSAKeyParameters prv,
byte[] slt,
byte[] msg,
byte[] sig)
throws Exception
{
PSSSigner eng = new PSSSigner(new RSAEngine(), new SHA1Digest(), 20);
eng.init(true, new ParametersWithRandom(prv, new FixedRandom(slt)));
eng.update(msg, 0, msg.length);
byte[] s = eng.generateSignature();
if (!areEqual(s, sig))
{
fail("test " + id + " failed generation");
}
eng.init(false, pub);
eng.update(msg, 0, msg.length);
if (!eng.verifySignature(s))
{
fail("test " + id + " failed verification");
}
}
示例3: verify
import org.bouncycastle.crypto.signers.PSSSigner; //导入方法依赖的package包/类
/**
* Verifies that a text matches the given signature
* @param key Public key that pairs up with the used private key to generate the given signature
* @param msg The message to check upon
* @param sig The signature that has to match the given msg text
* @return True if the given text is valid upon the given signature, false otherwise
*/
public static boolean verify(CipherParameters key, byte[] msg, byte[] sig) {
/*
* Typical methods and arguments
*/
PSSSigner signer = new PSSSigner(new RSAEngine(), new SHA1Digest(), saltLength);
signer.init(false, key);
signer.update(msg,0,msg.length);
return signer.verifySignature(sig);
}
示例4: isProcessingOkay
import org.bouncycastle.crypto.signers.PSSSigner; //导入方法依赖的package包/类
private boolean isProcessingOkay(
RSAKeyParameters pub,
RSAKeyParameters prv,
byte[] data,
SecureRandom random)
throws Exception
{
RSABlindingFactorGenerator blindFactorGen = new RSABlindingFactorGenerator();
RSABlindingEngine blindingEngine = new RSABlindingEngine();
PSSSigner blindSigner = new PSSSigner(blindingEngine, new SHA1Digest(), 20);
PSSSigner pssEng = new PSSSigner(new RSAEngine(), new SHA1Digest(), 20);
random.nextBytes(data);
blindFactorGen.init(pub);
BigInteger blindFactor = blindFactorGen.generateBlindingFactor();
RSABlindingParameters params = new RSABlindingParameters(pub, blindFactor);
// generate a blind signature
blindSigner.init(true, new ParametersWithRandom(params, random));
blindSigner.update(data, 0, data.length);
byte[] blindedData = blindSigner.generateSignature();
RSAEngine signerEngine = new RSAEngine();
signerEngine.init(true, prv);
byte[] blindedSig = signerEngine.processBlock(blindedData, 0, blindedData.length);
// unblind the signature
blindingEngine.init(false, params);
byte[] s = blindingEngine.processBlock(blindedSig, 0, blindedSig.length);
//verify signature with PSSSigner
pssEng.init(false, pub);
pssEng.update(data, 0, data.length);
return pssEng.verifySignature(s);
}