Package org.bouncycastle2.crypto

Examples of org.bouncycastle2.crypto.AsymmetricCipherKeyPair

249
250
251
252
253
254
255
256
257
258
259
260
                param = new DSAKeyGenerationParameters(random, pGen.generateParameters());
                engine.init(param);
                initialised = true;
            }

            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            DSAPublicKeyParameters     pub = (DSAPublicKeyParameters)pair.getPublic();
            DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JDKDSAPublicKey(pub),
                               new JDKDSAPrivateKey(priv));
        }
View Full Code Here
320
321
322
323
324
325
326
327
328
329
330
331
                param = new ElGamalKeyGenerationParameters(random, pGen.generateParameters());
                engine.init(param);
                initialised = true;
            }

            AsymmetricCipherKeyPair         pair = engine.generateKeyPair();
            ElGamalPublicKeyParameters      pub = (ElGamalPublicKeyParameters)pair.getPublic();
            ElGamalPrivateKeyParameters     priv = (ElGamalPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JCEElGamalPublicKey(pub),
                               new JCEElGamalPrivateKey(priv));
        }
View Full Code Here
386
387
388
389
390
391
392
393
394
395
396
            if (!initialised)
            {
                init(new GOST3410ParameterSpec(CryptoProObjectIdentifiers.gostR3410_94_CryptoPro_A.getId()), new SecureRandom());
            }
           
            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            GOST3410PublicKeyParameters  pub = (GOST3410PublicKeyParameters)pair.getPublic();
            GOST3410PrivateKeyParameters priv = (GOST3410PrivateKeyParameters)pair.getPrivate();
           
            return new KeyPair(new JDKGOST3410PublicKey(pub, gost3410Params), new JDKGOST3410PrivateKey(priv, gost3410Params));
        }
View Full Code Here
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
        }

        BigInteger r = null;
        BigInteger s = null;

        AsymmetricCipherKeyPair tempPair;
        do // generate r
        {
            // generate another, but very temporary, key pair using
            // 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
           
            r = Vx.add(e).mod(n);
        }
        while (r.equals(ECConstants.ZERO));

        // generate s
        BigInteger x = privKey.getD();                // private key value
        BigInteger u = ((ECPrivateKeyParameters)tempPair.getPrivate()).getD();    // temp's private key value
        s = u.subtract(r.multiply(x)).mod(n);

        BigInteger[]  res = new BigInteger[2];
        res[0] = r;
        res[1] = s;
View Full Code Here
33
34
35
36
37
38
39
40
41
        DHParameters dhp = param.getParameters();

        BigInteger x = helper.calculatePrivate(dhp, param.getRandom());
        BigInteger y = helper.calculatePublic(dhp, x);

        return new AsymmetricCipherKeyPair(
            new DHPublicKeyParameters(y, dhp),
            new DHPrivateKeyParameters(x, dhp));
    }
View Full Code Here
33
34
35
36
37
38
39
40
41
        DHParameters dhp = param.getParameters();

        BigInteger x = helper.calculatePrivate(dhp, param.getRandom());
        BigInteger y = helper.calculatePublic(dhp, x);

        return new AsymmetricCipherKeyPair(
            new DHPublicKeyParameters(y, dhp),
            new DHPrivateKeyParameters(x, dhp));
    }
View Full Code Here
44
45
46
47
48
49
50
51
52
        }
        while (d.equals(ZERO)  || (d.compareTo(n) >= 0));

        ECPoint Q = params.getG().multiply(d);

        return new AsymmetricCipherKeyPair(
            new ECPublicKeyParameters(Q, params),
            new ECPrivateKeyParameters(d, params));
    }
View Full Code Here
36
37
38
39
40
41
42
43
44
        DSAParameters dsaParams = param.getParameters();

        BigInteger x = generatePrivateKey(dsaParams.getQ(), param.getRandom());
        BigInteger y = calculatePublicKey(dsaParams.getP(), dsaParams.getG(), x);

        return new AsymmetricCipherKeyPair(
            new DSAPublicKeyParameters(y, dsaParams),
            new DSAPrivateKeyParameters(x, dsaParams));
    }
View Full Code Here
138
139
140
141
142
143
144
145
146
        dP = d.remainder(pSub1);
        dQ = d.remainder(qSub1);
        qInv = q.modInverse(p);

        return new AsymmetricCipherKeyPair(
                new RSAKeyParameters(false, n, e),
                new RSAPrivateCrtKeyParameters(n, e, d, p, q, dP, dQ, qInv));
    }
View Full Code Here
48
49
50
51
52
53
54
55
56
            //
            // calculate the public key.
            //
            y = a.modPow(x, p);

            return new AsymmetricCipherKeyPair(
                    new GOST3410PublicKeyParameters(y, GOST3410Params),
                    new GOST3410PrivateKeyParameters(x, GOST3410Params));
        }
View Full Code Here
TOP

Related Classes of org.bouncycastle2.crypto.AsymmetricCipherKeyPair

  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters
  • org.bouncycastle2.asn1.DERObjectIdentifier
  • org.bouncycastle2.asn1.DEROctetString
  • org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure
  • org.bouncycastle2.asn1.x509.RSAPublicKeyStructure
  • org.bouncycastle2.bcpg.sig.PreferredAlgorithms
  • org.bouncycastle2.crypto.AsymmetricCipherKeyPair
  • org.bouncycastle2.crypto.BufferedBlockCipher
    • Copyright © 2018 www.massapicom. 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.