Package org.bouncycastle.crypto.generators

Examples of org.bouncycastle.crypto.generators.ECKeyPairGenerator.generateKeyPair()

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    {

        ECKeyPairGenerator keyPairGenerator = new ECKeyPairGenerator();
        ECKeyGenerationParameters keyGenerationParameters = new ECKeyGenerationParameters(ecParams, random);
        keyPairGenerator.init(keyGenerationParameters);
        return keyPairGenerator.generateKeyPair();
    }

    public static ECPublicKeyParameters validateECPublicKey(ECPublicKeyParameters key)
        throws IOException
    {
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            // the same EC parameters
            ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
           
            keyGen.init(new ECKeyGenerationParameters(privKey.getParameters(), this.random));
           
            tempPair = keyGen.generateKeyPair();

            //    BigInteger Vx = tempPair.getPublic().getW().getAffineX();
            ECPublicKeyParameters V = (ECPublicKeyParameters)tempPair.getPublic();        // get temp's public key
            BigInteger Vx = V.getQ().getX().toBigInteger();        // get the point's x coordinate
           
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            // the same EC parameters
            ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
           
            keyGen.init(new ECKeyGenerationParameters(privKey.getParameters(), this.random));
           
            tempPair = keyGen.generateKeyPair();

            //    BigInteger Vx = tempPair.getPublic().getW().getAffineX();
            ECPublicKeyParameters V = (ECPublicKeyParameters)tempPair.getPublic();        // get temp's public key
            BigInteger Vx = V.getQ().getX().toBigInteger();        // get the point's x coordinate
           
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            // the same EC parameters
            ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
           
            keyGen.init(new ECKeyGenerationParameters(privKey.getParameters(), this.random));
           
            tempPair = keyGen.generateKeyPair();

            //    BigInteger Vx = tempPair.getPublic().getW().getAffineX();
            ECPublicKeyParameters V = (ECPublicKeyParameters)tempPair.getPublic();        // get temp's public key
            BigInteger Vx = V.getQ().getX().toBigInteger();        // get the point's x coordinate
           
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                                            params,
                                            random);

            pGen.init(genParam);

            AsymmetricCipherKeyPair  pair = pGen.generateKeyPair();
       
            ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), random);

            ECDSASigner ecdsa = new ECDSASigner();
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                                        params,
                                        random);

        pGen.init(genParam);

        AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
        AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
   
        //
        // stream test
        //
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                                        random);

        pGen.init(genParam);

        AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
        AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
   
        //
        // stream test
        //
        IESEngine      i1 = new IESEngine(
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                                            params,
                                            random);

            pGen.init(genParam);

            AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
            AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
       
            //
            // two way
            //
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                                            random);

            pGen.init(genParam);

            AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
            AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
       
            //
            // two way
            //
            BasicAgreement    e1 = new ECDHBasicAgreement();
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  public static ECKeyPair createNew (boolean compressed)
  {
    ECKeyPairGenerator generator = new ECKeyPairGenerator ();
    ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters (domain, secureRandom);
    generator.init (keygenParams);
    AsymmetricCipherKeyPair keypair = generator.generateKeyPair ();
    ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate ();
    ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic ();
    ECKeyPair k = new ECKeyPair ();
    k.priv = privParams.getD ();
    k.compressed = compressed;
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