Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.GOST3410Parameters


            else
            {
                pGen.init(strength, 2, new SecureRandom());
            }
           
            GOST3410Parameters p = pGen.generateParameters();
           
            AlgorithmParameters params;
           
            try
            {
                params = AlgorithmParameters.getInstance("GOST3410", "BC");
                params.init(new GOST3410ParameterSpec(new GOST3410PublicKeyParameterSetSpec(p.getP(), p.getQ(), p.getA())));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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        }

        public AsymmetricCipherKeyPair generateKeyPair()
        {
            BigInteger      p, q, a, x, y;
            GOST3410Parameters   GOST3410Params = param.getParameters();
            SecureRandom    random = param.getRandom();

            q = GOST3410Params.getQ();
            p = GOST3410Params.getP();
            a = GOST3410Params.getA();

            do
            {
                x = new BigInteger(256, random);
            }
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            GOST3410ParameterSpec gParams,
            SecureRandom          random)
        {
            GOST3410PublicKeyParameterSetSpec spec = gParams.getPublicKeyParameters();
           
            param = new GOST3410KeyGenerationParameters(random, new GOST3410Parameters(spec.getP(), spec.getQ(), spec.getA()));
           
            engine.init(param);
           
            initialised = true;
            gost3410Params = gParams;
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        {
            GOST3410PublicKey          k = (GOST3410PublicKey)key;
            GOST3410PublicKeyParameterSetSpec p = k.getParameters().getPublicKeyParameters();
           
            return new GOST3410PublicKeyParameters(k.getY(),
                new GOST3410Parameters(p.getP(), p.getQ(), p.getA()));
        }

        throw new InvalidKeyException("can't identify GOST3410 public key: " + key.getClass().getName());
    }
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        {
            GOST3410PrivateKey         k = (GOST3410PrivateKey)key;
            GOST3410PublicKeyParameterSetSpec p = k.getParameters().getPublicKeyParameters();
           
            return new GOST3410PrivateKeyParameters(k.getX(),
                new GOST3410Parameters(p.getP(), p.getQ(), p.getA()));
        }

        throw new InvalidKeyException("can't identify GOST3410 private key.");
    }
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            GOST3410ParameterSpec gParams,
            SecureRandom          random)
        {
            GOST3410PublicKeyParameterSetSpec spec = gParams.getPublicKeyParameters();
           
            param = new GOST3410KeyGenerationParameters(random, new GOST3410Parameters(spec.getP(), spec.getQ(), spec.getA()));
           
            engine.init(param);
           
            initialised = true;
            gost3410Params = gParams;
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            GOST3410ParameterSpec gParams,
            SecureRandom          random)
        {
            GOST3410PublicKeyParameterSetSpec spec = gParams.getPublicKeyParameters();
           
            param = new GOST3410KeyGenerationParameters(random, new GOST3410Parameters(spec.getP(), spec.getQ(), spec.getA()));
           
            engine.init(param);
           
            initialised = true;
            gost3410Params = gParams;
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            else
            {
                pGen.init(strength, 2, new SecureRandom());
            }
           
            GOST3410Parameters p = pGen.generateParameters();
           
            AlgorithmParameters params;
           
            try
            {
                params = AlgorithmParameters.getInstance("GOST3410", "BC");
                params.init(new GOST3410ParameterSpec(new GOST3410PublicKeyParameterSetSpec(p.getP(), p.getQ(), p.getA())));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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