Examples of GOST3410Parameters

Examples of org.bouncycastle2.crypto.params.GOST3410Parameters

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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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Examples of org.bouncycastle2.crypto.params.GOST3410Parameters

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            else
            {
                pGen.init(strength, 2, new SecureRandom());
            }
           
            GOST3410Parameters p = pGen.generateParameters();
           
            AlgorithmParameters params;
           
            try
            {
                params = AlgorithmParameters.getInstance("GOST3410", "BC2");
                params.init(new GOST3410ParameterSpec(new GOST3410PublicKeyParameterSetSpec(p.getP(), p.getQ(), p.getA())));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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Examples of org.bouncycastle2.crypto.params.GOST3410Parameters

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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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Examples of org.bouncycastle2.crypto.params.GOST3410Parameters

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            }
            p = pq[0];  q = pq[1];
            a = procedure_C(p, q);
            //System.out.println("p:"+p.toString(16)+"\n"+"q:"+q.toString(16)+"\n"+"a:"+a.toString(16));
            //System.out.println("p:"+p+"\n"+"q:"+q+"\n"+"a:"+a);
            return new GOST3410Parameters(p, q, a, new GOST3410ValidationParameters(x0, c));
        }
        else
        {
            x0L = init_random.nextLong();
            cL  = init_random.nextLong();

            switch(size)
            {
            case 512: 
                procedure_Aa(x0L, cL, pq, 512);
                break;
            case 1024:
                procedure_Bb(x0L, cL, pq);
                break;
            default:
                throw new IllegalStateException("Ooops! key size 512 or 1024 bit.");
            }
            p = pq[0];  q = pq[1];
            a = procedure_C(p, q);
            //System.out.println("p:"+p.toString(16)+"\n"+"q:"+q.toString(16)+"\n"+"a:"+a.toString(16));
            //System.out.println("p:"+p+"\n"+"q:"+q+"\n"+"a:"+a);
            return new GOST3410Parameters(p, q, a, new GOST3410ValidationParameters(x0L, cL));
        }
    }
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