Examples of DHParameters

Examples of org.bouncycastle.crypto.params.DHParameters

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            DHParameter     params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger      derX = (DERInteger)keyInfo.getPrivateKey();

            BigInteger lVal = params.getL();
            int l = lVal == null ? 0 : lVal.intValue();
            DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);

            return new DHPrivateKeyParameters(derX.getValue(), dhParams);
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
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Examples of org.bouncycastle.crypto.params.DHParameters

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         }

         /*
          * Diffie-Hellman basic key agreement
          */
         DHParameters dhParams = new DHParameters(p, g);

         // Generate a keypair
         DHBasicKeyPairGenerator dhGen = new DHBasicKeyPairGenerator();
         dhGen.init(new DHKeyGenerationParameters(random, dhParams));

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Examples of org.bouncycastle.crypto.params.DHParameters

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            DHParameter params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger  derY = (DERInteger)keyInfo.getPublicKey();
           
            BigInteger lVal = params.getL();
            int l = lVal == null ? 0 : lVal.intValue();
            DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);

            return new DHPublicKeyParameters(derY.getValue(), dhParams);
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
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Examples of org.bouncycastle.crypto.params.DHParameters

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    public AsymmetricCipherKeyPair generateKeyPair()
    {
    DHKeyGeneratorHelper helper = DHKeyGeneratorHelper.INSTANCE;
        ElGamalParameters egp = param.getParameters();
        DHParameters dhp = new DHParameters(egp.getP(), egp.getG(), null, egp.getL()); 

        BigInteger x = helper.calculatePrivate(dhp, param.getRandom());
        BigInteger y = helper.calculatePublic(dhp, x);

        return new AsymmetricCipherKeyPair(
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Examples of org.bouncycastle.crypto.params.DHParameters

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    }

    public AsymmetricCipherKeyPair generateKeyPair()
    {
        DHKeyGeneratorHelper helper = DHKeyGeneratorHelper.INSTANCE;
        DHParameters dhp = param.getParameters();

        BigInteger x = helper.calculatePrivate(dhp, param.getRandom());
        BigInteger y = helper.calculatePublic(dhp, x);

        return new AsymmetricCipherKeyPair(
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Examples of org.bouncycastle.crypto.params.DHParameters

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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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Examples of org.bouncycastle.crypto.params.DHParameters

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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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Examples of org.bouncycastle2.crypto.params.DHParameters

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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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Examples of org.bouncycastle2.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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Examples of org.bouncycastle2.crypto.params.DHParameters

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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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