Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.DHParameters

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        if (key instanceof DHPrivateKey)
        {
            DHPrivateKey    k = (DHPrivateKey)key;

            return new DHPrivateKeyParameters(k.getX(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }
                       
        throw new InvalidKeyException("can't identify DH private key.");
    }
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            else
            {
                pGen.init(strength, 20, new SecureRandom());
            }

            DHParameters                p = pGen.generateParameters();

            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("DH", "BC");
                params.init(new DHParameterSpec(p.getP(), p.getG(), l));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            }

            break;
        }

        return new DHParameters(p, g, q, 2);
    }
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            {
                throw new InvalidAlgorithmParameterException("parameter object not a DHParameterSpec");
            }
            DHParameterSpec     dhParams = (DHParameterSpec)params;

            param = new DHKeyGenerationParameters(random, new DHParameters(dhParams.getP(), dhParams.getG(), null, dhParams.getL()));

            engine.init(param);
            initialised = true;
        }
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        IESParameters params = new IESWithCipherParameters(engineSpec.getDerivationV(),
            engineSpec.getEncodingV(),
            engineSpec.getMacKeySize(),
            engineSpec.getCipherKeySize());

        DHParameters dhParams = ((DHKeyParameters)key).getParameters();

        byte[] V;
        if (otherKeyParameter != null)
        {
            try
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        else
        {
            pGen.init(strength, 20, new SecureRandom());
        }

        DHParameters p = pGen.generateParameters();

        AlgorithmParameters params;

        try
        {
            params = AlgorithmParameters.getInstance("DH", BouncyCastleProvider.PROVIDER_NAME);
            params.init(new DHParameterSpec(p.getP(), p.getG(), l));
        }
        catch (Exception e)
        {
            throw new RuntimeException(e.getMessage());
        }
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        {
            throw new InvalidAlgorithmParameterException("parameter object not a DHParameterSpec");
        }
        DHParameterSpec dhParams = (DHParameterSpec)params;

        param = new DHKeyGenerationParameters(random, new DHParameters(dhParams.getP(), dhParams.getG(), null, dhParams.getL()));

        engine.init(param);
        initialised = true;
    }
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            {
                DHParameterSpec dhParams = BouncyCastleProvider.CONFIGURATION.getDHDefaultParameters(strength);

                if (dhParams != null)
                {
                    param = new DHKeyGenerationParameters(random, new DHParameters(dhParams.getP(), dhParams.getG(), null, dhParams.getL()));
                }
                else
                {
                    synchronized (lock)
                    {
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        if (key instanceof DHPublicKey)
        {
            DHPublicKey    k = (DHPublicKey)key;

            return new DHPublicKeyParameters(k.getY(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }

        throw new InvalidKeyException("can't identify DH public key.");
    }
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        if (key instanceof DHPrivateKey)
        {
            DHPrivateKey    k = (DHPrivateKey)key;

            return new DHPrivateKeyParameters(k.getX(),
                new DHParameters(k.getParams().getP(), k.getParams().getG(), null, k.getParams().getL()));
        }
                       
        throw new InvalidKeyException("can't identify DH private key.");
    }
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Related Classes of org.bouncycastle.crypto.params.DHParameters

  • com.jcraft.jsch.bc.DH
  • org.bouncycastle.crypto.agreement.DHStandardGroups
  • org.bouncycastle.crypto.generators.DHBasicKeyPairGenerator
  • org.bouncycastle.crypto.generators.DHKeyPairGenerator
  • org.bouncycastle.crypto.generators.DHParametersGenerator
  • org.bouncycastle.crypto.generators.ElGamalKeyPairGenerator
  • org.bouncycastle.crypto.test.DHTest
  • org.bouncycastle.crypto.tls.TlsDHEKeyExchange
  • org.bouncycastle.crypto.tls.TlsDHUtils
  • org.bouncycastle.crypto.tls.TlsProtocolHandler
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