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Java 类org.bouncycastle.crypto.engines.ElGamalEngine 实例源码

项目：gwt-crypto    文件：ElGamalTest.java    
private void testInvalidP()
{
    ElGamalParameters               dhParams = new ElGamalParameters(pPgpBogusPSamp, gPgpBogusPSamp, lPgpBogusPSamp);
    ElGamalPublicKeyParameters      pu = new ElGamalPublicKeyParameters(yPgpBogusPSamp, dhParams);
    ElGamalPrivateKeyParameters     pv = new ElGamalPrivateKeyParameters(xPgpBogusPSamp, dhParams);

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, pu);

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (Arrays.areEqual(message, pText))
    {
        fail("invalid test failed");
    }
}
项目：irma_future_id    文件：ElGamalTest.java    
private void testInvalidP()
{
    ElGamalParameters               dhParams = new ElGamalParameters(pPgpBogusPSamp, gPgpBogusPSamp, lPgpBogusPSamp);
    ElGamalPublicKeyParameters      pu = new ElGamalPublicKeyParameters(yPgpBogusPSamp, dhParams);
    ElGamalPrivateKeyParameters     pv = new ElGamalPrivateKeyParameters(xPgpBogusPSamp, dhParams);

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, pu);

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (Arrays.areEqual(message, pText))
    {
        fail("invalid test failed");
    }
}
项目：bc-java    文件：ElGamalTest.java    
private void testInvalidP()
{
    ElGamalParameters               dhParams = new ElGamalParameters(pPgpBogusPSamp, gPgpBogusPSamp, lPgpBogusPSamp);
    ElGamalPublicKeyParameters      pu = new ElGamalPublicKeyParameters(yPgpBogusPSamp, dhParams);
    ElGamalPrivateKeyParameters     pv = new ElGamalPrivateKeyParameters(xPgpBogusPSamp, dhParams);

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, pu);

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (Arrays.areEqual(message, pText))
    {
        fail("invalid test failed");
    }
}
项目：ipack    文件：CipherSpi.java    
private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}
项目：gwt-crypto    文件：ElGamalTest.java    
private void testInitCheck()
{
    try
    {
        new ElGamalEngine().processBlock(new byte[]{ 1 }, 0, 1);
        fail("failed initialisation check");
    }
    catch (IllegalStateException e)
    {
        // expected
    }
}
项目：Aki-SSL    文件：CipherSpi.java    
private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}
项目：CryptMeme    文件：CipherSpi.java    
private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}
项目：p2pEngine    文件：ElGamal.java    
@Override
public byte[] encryptWithPublicKey(byte[] data) {
    ElGamalParameters params = new ElGamalParameters(keys.getP(), keys.getG());
    ElGamalPublicKeyParameters pubKey = new ElGamalPublicKeyParameters(keys.getPublicKey(), params);

    ElGamalEngine e = new ElGamalEngine();
    e.init(true, pubKey);
       return e.processBlock(data, 0, data.length) ;
}
项目：p2pEngine    文件：ElGamal.java    
public ElGamalEncrypt encryptForContract(byte[] data) {
    ElGamalParameters params = new ElGamalParameters(keys.getP(), keys.getG());
    ElGamalPublicKeyParameters pubKey = new ElGamalPublicKeyParameters(keys.getPublicKey(), params);

    ElGamalEngine e = new ElGamalEngine();
    e.init(true, pubKey);
    byte[] m = e.processBlock(data, 0, data.length);
    BigInteger k = e.getK();
       BigInteger u = keys.getG().modPow(k,keys.getP());
       BigInteger v = (keys.getPublicKey().modPow(e.getK(), keys.getP()).multiply(new BigInteger(data)));
       return new ElGamalEncrypt (u,v,k, m);
}
项目：p2pEngine    文件：ElGamal.java    
@Override
public  byte[] decryptWithPrivateKey(byte[] data) {
    ElGamalParameters params = new ElGamalParameters(keys.getP(), keys.getG());
    ElGamalPrivateKeyParameters privKey = new ElGamalPrivateKeyParameters(keys.getPrivateKey(), params);

    ElGamalEngine e = new ElGamalEngine();
    e.init(false, privKey);

       return e.processBlock(data, 0, data.length) ;
}
项目：irma_future_id    文件：ElGamalTest.java    
private void testInitCheck()
{
    try
    {
        new ElGamalEngine().processBlock(new byte[]{ 1 }, 0, 1);
        fail("failed initialisation check");
    }
    catch (IllegalStateException e)
    {
        // expected
    }
}
项目：irma_future_id    文件：CipherSpi.java    
private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}
项目：bc-java    文件：ElGamalTest.java    
private void testInitCheck()
{
    try
    {
        new ElGamalEngine().processBlock(new byte[]{ 1 }, 0, 1);
        fail("failed initialisation check");
    }
    catch (IllegalStateException e)
    {
        // expected
    }
}
项目：bc-java    文件：CipherSpi.java    
private void initFromSpec(
    OAEPParameterSpec pSpec) 
    throws NoSuchPaddingException
{
    MGF1ParameterSpec   mgfParams = (MGF1ParameterSpec)pSpec.getMGFParameters();
    Digest              digest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());

    if (digest == null)
    {
        throw new NoSuchPaddingException("no match on OAEP constructor for digest algorithm: "+ mgfParams.getDigestAlgorithm());
    }

    cipher = new BufferedAsymmetricBlockCipher(new OAEPEncoding(new ElGamalEngine(), digest, ((PSource.PSpecified)pSpec.getPSource()).getValue()));        
    paramSpec = pSpec;
}
项目：ipack    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：ipack    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：gwt-crypto    文件：ElGamalTest.java    
/**
 * this test is can take quiet a while
 *
 * @param size size of key in bits.
 */
private void testGeneration(
    int         size)
{
    ElGamalParametersGenerator       pGen = new ElGamalParametersGenerator();

    pGen.init(size, 10, new SecureRandom());

    ElGamalParameters                elParams = pGen.generateParameters();

    if (elParams.getL() != 0)
    {
        fail("ElGamalParametersGenerator failed to set L to 0 in generated ElGamalParameters");
    }

    ElGamalKeyGenerationParameters   params = new ElGamalKeyGenerationParameters(new SecureRandom(), elParams);

    ElGamalKeyPairGenerator          kpGen = new ElGamalKeyPairGenerator();

    kpGen.init(params);

    //
    // generate first pair
    //
    AsymmetricCipherKeyPair         pair = kpGen.generateKeyPair();

    ElGamalPublicKeyParameters      pu = (ElGamalPublicKeyParameters)pair.getPublic();
    ElGamalPrivateKeyParameters     pv = (ElGamalPrivateKeyParameters)pair.getPrivate();

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, new ParametersWithRandom(pu, new SecureRandom()));

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (!Arrays.areEqual(message, pText))
    {
        fail("generation test failed");
    }
}
项目：Aki-SSL    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：Aki-SSL    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：CryptMeme    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：CryptMeme    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：irma_future_id    文件：ElGamalTest.java    
/**
 * this test is can take quiet a while
 *
 * @param size size of key in bits.
 */
private void testGeneration(
    int         size)
{
    ElGamalParametersGenerator       pGen = new ElGamalParametersGenerator();

    pGen.init(size, 10, new SecureRandom());

    ElGamalParameters                elParams = pGen.generateParameters();

    if (elParams.getL() != 0)
    {
        fail("ElGamalParametersGenerator failed to set L to 0 in generated ElGamalParameters");
    }

    ElGamalKeyGenerationParameters   params = new ElGamalKeyGenerationParameters(new SecureRandom(), elParams);

    ElGamalKeyPairGenerator          kpGen = new ElGamalKeyPairGenerator();

    kpGen.init(params);

    //
    // generate first pair
    //
    AsymmetricCipherKeyPair         pair = kpGen.generateKeyPair();

    ElGamalPublicKeyParameters      pu = (ElGamalPublicKeyParameters)pair.getPublic();
    ElGamalPrivateKeyParameters     pv = (ElGamalPrivateKeyParameters)pair.getPrivate();

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, new ParametersWithRandom(pu, new SecureRandom()));

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (!Arrays.areEqual(message, pText))
    {
        fail("generation test failed");
    }
}
项目：irma_future_id    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：irma_future_id    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：irma_future_id    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：irma_future_id    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：bc-java    文件：ElGamalTest.java    
/**
 * this test is can take quiet a while
 *
 * @param size size of key in bits.
 */
private void testGeneration(
    int         size)
{
    ElGamalParametersGenerator       pGen = new ElGamalParametersGenerator();

    pGen.init(size, 10, new SecureRandom());

    ElGamalParameters                elParams = pGen.generateParameters();

    if (elParams.getL() != 0)
    {
        fail("ElGamalParametersGenerator failed to set L to 0 in generated ElGamalParameters");
    }

    ElGamalKeyGenerationParameters   params = new ElGamalKeyGenerationParameters(new SecureRandom(), elParams);

    ElGamalKeyPairGenerator          kpGen = new ElGamalKeyPairGenerator();

    kpGen.init(params);

    //
    // generate first pair
    //
    AsymmetricCipherKeyPair         pair = kpGen.generateKeyPair();

    ElGamalPublicKeyParameters      pu = (ElGamalPublicKeyParameters)pair.getPublic();
    ElGamalPrivateKeyParameters     pv = (ElGamalPrivateKeyParameters)pair.getPrivate();

    ElGamalEngine    e = new ElGamalEngine();

    e.init(true, new ParametersWithRandom(pu, new SecureRandom()));

    byte[]  message = Hex.decode("5468697320697320612074657374");

    byte[]  pText = message;
    byte[]  cText = e.processBlock(pText, 0, pText.length);

    e.init(false, pv);

    pText = e.processBlock(cText, 0, cText.length);

    if (!Arrays.areEqual(message, pText))
    {
        fail("generation test failed");
    }
}
项目：bc-java    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：bc-java    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}
项目：bc-java    文件：CipherSpi.java    
public NoPadding()
{
    super(new ElGamalEngine());
}
项目：bc-java    文件：CipherSpi.java    
public PKCS1v1_5Padding()
{
    super(new PKCS1Encoding(new ElGamalEngine()));
}