Package org.bouncycastle.jce.spec

Examples of org.bouncycastle.jce.spec.ElGamalParameterSpec

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    JCEElGamalPublicKey(
        DHPublicKey    key)
    {
        this.y = key.getY();
        this.elSpec = new ElGamalParameterSpec(key.getParams().getP(), key.getParams().getG());
    }
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    JCEElGamalPublicKey(
        ElGamalPublicKeyParameters  params)
    {
        this.y = params.getY();
        this.elSpec = new ElGamalParameterSpec(params.getParameters().getP(), params.getParameters().getG());
    }
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        {
            throw new IllegalArgumentException("invalid info structure in DSA public key");
        }

        this.y = derY.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
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    private void readObject(
        ObjectInputStream   in)
        throws IOException, ClassNotFoundException
    {
        this.y = (BigInteger)in.readObject();
        this.elSpec = new ElGamalParameterSpec((BigInteger)in.readObject(), (BigInteger)in.readObject());
    }
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                throw new InvalidAlgorithmParameterException("parameter object not a DHParameterSpec or an ElGamalParameterSpec");
            }
           
            if (params instanceof ElGamalParameterSpec)
            {
                ElGamalParameterSpec     elParams = (ElGamalParameterSpec)params;

                param = new ElGamalKeyGenerationParameters(random, new ElGamalParameters(elParams.getP(), elParams.getG()));
            }
            else
            {
                DHParameterSpec     dhParams = (DHParameterSpec)params;
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            }
            else
            {
                DHParameterSpec s = (DHParameterSpec)paramSpec;
               
                this.currentSpec = new ElGamalParameterSpec(s.getP(), s.getG());
            }
        }
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            try
            {
                ElGamalParameter elP = new ElGamalParameter((ASN1Sequence)aIn.readObject());

                currentSpec = new ElGamalParameterSpec(elP.getP(), elP.getG());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid ElGamal Parameter encoding.");
            }
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        KeyPairGenerator    elgKpg = KeyPairGenerator.getInstance("ELGAMAL", "BC");
        BigInteger             g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
        BigInteger             p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
       
        ElGamalParameterSpec         elParams = new ElGamalParameterSpec(p, g);
       
        elgKpg.initialize(elParams);
   
        //
        // this is quicker because we are using pregenerated parameters.
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        KeyPairGenerator    elgKpg = KeyPairGenerator.getInstance("ELGAMAL", "BC");
        BigInteger             g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
        BigInteger             p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
       
        ElGamalParameterSpec         elParams = new ElGamalParameterSpec(p, g);
       
        elgKpg.initialize(elParams);
   
        //
        // this is quicker because we are using pregenerated parameters.
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            BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
            BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);

            KeyPairGenerator       kpg = KeyPairGenerator.getInstance("ElGamal", "BC");
           
            ElGamalParameterSpec   elParams = new ElGamalParameterSpec(p, g);
           
            kpg.initialize(elParams);
           
            KeyPair kp = kpg.generateKeyPair();
           
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Related Classes of org.bouncycastle.jce.spec.ElGamalParameterSpec

  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.AlgorithmParametersSpi
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.BCElGamalPrivateKey
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.BCElGamalPublicKey
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.KeyPairGeneratorSpi
  • org.bouncycastle.jce.provider.JCEElGamalPrivateKey
  • org.bouncycastle.jce.provider.JCEElGamalPublicKey
  • org.bouncycastle.jce.provider.JDKAlgorithmParameterGenerator$ElGamal
  • org.bouncycastle.jce.provider.JDKAlgorithmParameters$ElGamal
  • org.bouncycastle.jce.provider.JDKKeyPairGenerator$ElGamal
  • org.bouncycastle.openpgp.examples.DSAElGamalKeyRingGenerator
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