本文整理汇总了Java中org.bouncycastle.crypto.generators.DSAKeyPairGenerator类的典型用法代码示例。如果您正苦于以下问题：Java DSAKeyPairGenerator类的具体用法？Java DSAKeyPairGenerator怎么用？Java DSAKeyPairGenerator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DSAKeyPairGenerator类属于org.bouncycastle.crypto.generators包，在下文中一共展示了DSAKeyPairGenerator类的7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: createAsymmetricCipherKeyPairGenerator
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
@Override
public AsymmetricCipherKeyPairGenerator createAsymmetricCipherKeyPairGenerator(final boolean initWithDefaults) {
final DSAKeyPairGenerator generator = new DSAKeyPairGenerator();
if (initWithDefaults) {
/*
* How certain do we want to be that the chosen primes are really primes.
* <p>
* The higher this number, the more tests are done to make sure they are primes (and not composites).
* <p>
* See: <a href="http://crypto.stackexchange.com/questions/3114/what-is-the-correct-value-for-certainty-in-rsa-key-pair-generation">What is the correct value for “certainty” in RSA key pair generation?</a>
* and
* <a href="http://crypto.stackexchange.com/questions/3126/does-a-high-exponent-compensate-for-a-low-degree-of-certainty?lq=1">Does a high exponent compensate for a low degree of certainty?</a>
*/
final int certainty = 12;
final SecureRandom random = new SecureRandom();
final DSAParametersGenerator pGen = new DSAParametersGenerator();
pGen.init(4096, certainty, random);
final DSAParameters dsaParameters = pGen.generateParameters();
final DSAKeyGenerationParameters dsaKeyGenerationParameters = new DSAKeyGenerationParameters(random, dsaParameters);
generator.init(dsaKeyGenerationParameters);
}
return generator;
}
示例2: generateTest
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
public void generateTest()
throws Exception
{
char[] passPhrase = "hello".toCharArray();
DSAParametersGenerator dsaPGen = new DSAParametersGenerator();
dsaPGen.init(512, 10, new SecureRandom());
DSAKeyPairGenerator dsaKpg = new DSAKeyPairGenerator();
dsaKpg.init(new DSAKeyGenerationParameters(new SecureRandom(), dsaPGen.generateParameters()));
//
// this takes a while as the key generator has to generate some DSA params
// before it generates the key.
//
AsymmetricCipherKeyPair dsaKp = dsaKpg.generateKeyPair();
ElGamalKeyPairGenerator elgKpg = new ElGamalKeyPairGenerator();
BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
ElGamalParameters elParams = new ElGamalParameters(p, g);
elgKpg.init(new ElGamalKeyGenerationParameters(new SecureRandom(), elParams));
//
// this is quicker because we are using pregenerated parameters.
//
AsymmetricCipherKeyPair elgKp = elgKpg.generateKeyPair();
PGPKeyPair dsaKeyPair = new BcPGPKeyPair(PGPPublicKey.DSA, dsaKp, new Date());
PGPKeyPair elgKeyPair = new BcPGPKeyPair(PGPPublicKey.ELGAMAL_ENCRYPT, elgKp, new Date());
PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, dsaKeyPair,
"test", null, null, null, new BcPGPContentSignerBuilder(PGPPublicKey.DSA, HashAlgorithmTags.SHA1), new BcPBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256).build(passPhrase));
keyRingGen.addSubKey(elgKeyPair);
PGPSecretKeyRing keyRing = keyRingGen.generateSecretKeyRing();
keyRing.getSecretKey().extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase));
PGPPublicKeyRing pubRing = keyRingGen.generatePublicKeyRing();
PGPPublicKey vKey = null;
PGPPublicKey sKey = null;
Iterator it = pubRing.getPublicKeys();
while (it.hasNext())
{
PGPPublicKey pk = (PGPPublicKey)it.next();
if (pk.isMasterKey())
{
vKey = pk;
}
else
{
sKey = pk;
}
}
Iterator sIt = sKey.getSignatures();
while (sIt.hasNext())
{
PGPSignature sig = (PGPSignature)sIt.next();
if (sig.getKeyID() == vKey.getKeyID()
&& sig.getSignatureType() == PGPSignature.SUBKEY_BINDING)
{
sig.init(new BcPGPContentVerifierBuilderProvider(), vKey);
if (!sig.verifyCertification(vKey, sKey))
{
fail("failed to verify sub-key signature.");
}
}
}
}
示例3: generateSha1Test
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
public void generateSha1Test()
throws Exception
{
char[] passPhrase = "hello".toCharArray();
DSAParametersGenerator dsaPGen = new DSAParametersGenerator();
dsaPGen.init(512, 10, new SecureRandom());
DSAKeyPairGenerator dsaKpg = new DSAKeyPairGenerator();
dsaKpg.init(new DSAKeyGenerationParameters(new SecureRandom(), dsaPGen.generateParameters()));
//
// this takes a while as the key generator has to generate some DSA params
// before it generates the key.
//
AsymmetricCipherKeyPair dsaKp = dsaKpg.generateKeyPair();
ElGamalKeyPairGenerator elgKpg = new ElGamalKeyPairGenerator();
BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
ElGamalParameters elParams = new ElGamalParameters(p, g);
elgKpg.init(new ElGamalKeyGenerationParameters(new SecureRandom(), elParams));
//
// this is quicker because we are using pregenerated parameters.
//
AsymmetricCipherKeyPair elgKp = elgKpg.generateKeyPair();
PGPKeyPair dsaKeyPair = new BcPGPKeyPair(PGPPublicKey.DSA, dsaKp, new Date());
PGPKeyPair elgKeyPair = new BcPGPKeyPair(PGPPublicKey.ELGAMAL_ENCRYPT, elgKp, new Date());
PGPDigestCalculator chkSumCalc = new BcPGPDigestCalculatorProvider().get(HashAlgorithmTags.SHA1);
PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, dsaKeyPair,
"test", chkSumCalc, null, null, new BcPGPContentSignerBuilder(PGPPublicKey.DSA, HashAlgorithmTags.SHA1), new BcPBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256).build(passPhrase));
keyRingGen.addSubKey(elgKeyPair);
PGPSecretKeyRing keyRing = keyRingGen.generateSecretKeyRing();
keyRing.getSecretKey().extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase));
PGPPublicKeyRing pubRing = keyRingGen.generatePublicKeyRing();
PGPPublicKey vKey = null;
PGPPublicKey sKey = null;
Iterator it = pubRing.getPublicKeys();
while (it.hasNext())
{
PGPPublicKey pk = (PGPPublicKey)it.next();
if (pk.isMasterKey())
{
vKey = pk;
}
else
{
sKey = pk;
}
}
Iterator sIt = sKey.getSignatures();
while (sIt.hasNext())
{
PGPSignature sig = (PGPSignature)sIt.next();
if (sig.getKeyID() == vKey.getKeyID()
&& sig.getSignatureType() == PGPSignature.SUBKEY_BINDING)
{
sig.init(new BcPGPContentVerifierBuilderProvider(), vKey);
if (!sig.verifyCertification(vKey, sKey))
{
fail("failed to verify sub-key signature.");
}
}
}
}
示例4: performTest
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
public void performTest()
{
BigInteger r = new BigInteger("68076202252361894315274692543577577550894681403");
BigInteger s = new BigInteger("1089214853334067536215539335472893651470583479365");
DSAParametersGenerator pGen = new DSAParametersGenerator();
pGen.init(512, 80, random);
DSAParameters params = pGen.generateParameters();
DSAValidationParameters pValid = params.getValidationParameters();
if (pValid.getCounter() != 105)
{
fail("Counter wrong");
}
if (!pValue.equals(params.getP()) || !qValue.equals(params.getQ()))
{
fail("p or q wrong");
}
DSAKeyPairGenerator dsaKeyGen = new DSAKeyPairGenerator();
DSAKeyGenerationParameters genParam = new DSAKeyGenerationParameters(keyRandom, params);
dsaKeyGen.init(genParam);
AsymmetricCipherKeyPair pair = dsaKeyGen.generateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), keyRandom);
DSASigner dsa = new DSASigner();
dsa.init(true, param);
byte[] message = BigIntegers.asUnsignedByteArray(new BigInteger("968236873715988614170569073515315707566766479517"));
BigInteger[] sig = dsa.generateSignature(message);
if (!r.equals(sig[0]))
{
fail("r component wrong.", r, sig[0]);
}
if (!s.equals(sig[1]))
{
fail("s component wrong.", s, sig[1]);
}
dsa.init(false, pair.getPublic());
if (!dsa.verifySignature(message, sig[0], sig[1]))
{
fail("verification fails");
}
dsa2Test1();
dsa2Test2();
dsa2Test3();
dsa2Test4();
}
示例5: checkCreation2
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
/**
* we generate a self signed certificate for the sake of testing - DSA
*/
public void checkCreation2()
throws Exception
{
//
// set up the keys
//
AsymmetricKeyParameter privKey;
AsymmetricKeyParameter pubKey;
AsymmetricCipherKeyPairGenerator kpg = new DSAKeyPairGenerator();
BigInteger r = new BigInteger("68076202252361894315274692543577577550894681403");
BigInteger s = new BigInteger("1089214853334067536215539335472893651470583479365");
DSAParametersGenerator pGen = new DSAParametersGenerator();
pGen.init(512, 80, new SecureRandom());
DSAParameters params = pGen.generateParameters();
DSAKeyGenerationParameters genParam = new DSAKeyGenerationParameters(new SecureRandom(), params);
kpg.init(genParam);
AsymmetricCipherKeyPair pair = kpg.generateKeyPair();
privKey = (AsymmetricKeyParameter)pair.getPrivate();
pubKey = (AsymmetricKeyParameter)pair.getPublic();
//
// distinguished name table.
//
X500NameBuilder builder = createStdBuilder();
//
// extensions
//
//
// create the certificate - version 3
//
AlgorithmIdentifier sigAlgId = sigAlgFinder.find("SHA1withDSA");
AlgorithmIdentifier digAlgId = digAlgFinder.find(sigAlgId);
ContentSigner sigGen = new BcDSAContentSignerBuilder(sigAlgId, digAlgId).build(privKey);
X509v3CertificateBuilder certGen = new BcX509v3CertificateBuilder(builder.build(),BigInteger.valueOf(1),new Date(System.currentTimeMillis() - 50000),new Date(System.currentTimeMillis() + 50000),builder.build(),pubKey);
X509CertificateHolder cert = certGen.build(sigGen);
assertTrue(cert.isValidOn(new Date()));
assertTrue(cert.isSignatureValid(new BcDSAContentVerifierProviderBuilder(digAlgFinder).build(pubKey)));
//
// create the certificate - version 1
//
sigAlgId = sigAlgFinder.find("SHA1withDSA");
digAlgId = digAlgFinder.find(sigAlgId);
sigGen = new BcDSAContentSignerBuilder(sigAlgId, digAlgId).build(privKey);
X509v1CertificateBuilder certGen1 = new BcX509v1CertificateBuilder(builder.build(),BigInteger.valueOf(1),new Date(System.currentTimeMillis() - 50000),new Date(System.currentTimeMillis() + 50000),builder.build(),pubKey);
cert = certGen1.build(sigGen);
assertTrue(cert.isValidOn(new Date()));
assertTrue(cert.isSignatureValid(new BcDSAContentVerifierProviderBuilder(digAlgFinder).build(pubKey)));
ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getEncoded());
CertificateFactory fact = CertificateFactory.getInstance("X.509");
X509Certificate x509cert = (X509Certificate)fact.generateCertificate(bIn);
//System.out.println(cert);
}
示例6: performTest
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
public void performTest()
{
BigInteger r = new BigInteger("68076202252361894315274692543577577550894681403");
BigInteger s = new BigInteger("1089214853334067536215539335472893651470583479365");
DSAParametersGenerator pGen = new DSAParametersGenerator();
pGen.init(512, 20, random);
DSAParameters params = pGen.generateParameters();
DSAValidationParameters pValid = params.getValidationParameters();
if (pValid.getCounter() != 105)
{
fail("Counter wrong");
}
if (!pValue.equals(params.getP()) || !qValue.equals(params.getQ()))
{
fail("p or q wrong");
}
DSAKeyPairGenerator dsaKeyGen = new DSAKeyPairGenerator();
DSAKeyGenerationParameters genParam = new DSAKeyGenerationParameters(keyRandom, params);
dsaKeyGen.init(genParam);
AsymmetricCipherKeyPair pair = dsaKeyGen.generateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), keyRandom);
DSASigner dsa = new DSASigner();
dsa.init(true, param);
byte[] message = BigIntegers.asUnsignedByteArray(new BigInteger("968236873715988614170569073515315707566766479517"));
BigInteger[] sig = dsa.generateSignature(message);
if (!r.equals(sig[0]))
{
fail("r component wrong.", r, sig[0]);
}
if (!s.equals(sig[1]))
{
fail("s component wrong.", s, sig[1]);
}
dsa.init(false, pair.getPublic());
if (!dsa.verifySignature(message, sig[0], sig[1]))
{
fail("verification fails");
}
//dsa2Test1();
//dsa2Test2();
//dsa2Test3();
//dsa2Test4();
}
示例7: generate
import org.bouncycastle.crypto.generators.DSAKeyPairGenerator; //导入依赖的package包/类
@Override
public AsymmetricCipherKeyPair generate(SecureRandom random) {
final DSAKeyPairGenerator generator = new DSAKeyPairGenerator();
generator.init(new DSAKeyGenerationParameters(random, parameters));
return generator.generateKeyPair();
}