Examples of GOST3410Parameters

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
        else
        {
            pGen.init(strength, 2, new SecureRandom());
        }

        GOST3410Parameters p = pGen.generateParameters();

        AlgorithmParameters params;

        try
        {
            params = AlgorithmParameters.getInstance("GOST3410", BouncyCastleProvider.PROVIDER_NAME);
            params.init(new GOST3410ParameterSpec(new GOST3410PublicKeyParameterSetSpec(p.getP(), p.getQ(), p.getA())));
        }
        catch (Exception e)
        {
            throw new RuntimeException(e.getMessage());
        }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

42
43
44
45
46
47
48
49
50
51
52
        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;
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
            }
            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));
        }
    }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
        }

        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);
            }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

358
359
360
361
362
363
364
365
366
367
368
            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;
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
            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());
            }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

26
27
28
29
30
31
32
33
34
35
        {
            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());
    }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

42
43
44
45
46
47
48
49
50
51
        {
            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.");
    }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
        }

        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);
            }
View Full Code Here

Examples of org.bouncycastle.crypto.params.GOST3410Parameters

509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
            }
            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));
        }
    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.