Package org.bouncycastle.crypto.signers

Examples of org.bouncycastle.crypto.signers.ECDSASigner

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                new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
                params);

            ParametersWithRandom param = new ParametersWithRandom(priKey, k);

            ECDSASigner ecdsa = new ECDSASigner();

            ecdsa.init(true, param);

            byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").toByteArray();
            BigInteger[] sig = ecdsa.generateSignature(message);

            if (!r.equals(sig[0]))
            {
                return new SimpleTestResult(false, getName()
                    + ": r component wrong." + System.getProperty("line.separator")
                    + " expecting: " + r + System.getProperty("line.separator")
                    + " got      : " + sig[0]);
            }

            if (!s.equals(sig[1]))
            {
                return new SimpleTestResult(false, getName()
                    + ": s component wrong." + System.getProperty("line.separator")
                    + " expecting: " + s + System.getProperty("line.separator")
                    + " got      : " + sig[1]);
            }

            // Verify the signature
            ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
                curve.decodePoint(Hex.decode("0262b12d60690cdcf330babab6e69763b471f994dd702d16a5")), // Q
                params);

            ecdsa.init(false, pubKey);
            if ( ecdsa.verifySignature(message, sig[0], sig[1]) )
            {
                return new SimpleTestResult(true, getName() + ": Okay");
            }
            else
            {
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            ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
                new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
                params);

            ECDSASigner ecdsa = new ECDSASigner();
            ParametersWithRandom param = new ParametersWithRandom(priKey, k);

            ecdsa.init(true, param);

            byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").toByteArray();
            BigInteger[] sig = ecdsa.generateSignature(message);

            if (!r.equals(sig[0]))
            {
                return new SimpleTestResult(false, getName()
                    + ": r component wrong." + System.getProperty("line.separator")
                    + " expecting: " + r + System.getProperty("line.separator")
                    + " got      : " + sig[0]);
            }

            if (!s.equals(sig[1]))
            {
                return new SimpleTestResult(false, getName()
                    + ": s component wrong." + System.getProperty("line.separator")
                    + " expecting: " + s + System.getProperty("line.separator")
                    + " got      : " + sig[1]);
            }

            // Verify the signature
            ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
                curve.decodePoint(Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
                params);

            ecdsa.init(false, pubKey);
            if ( ecdsa.verifySignature(message, sig[0], sig[1]) )
            {
                return new SimpleTestResult(true, getName() + ": Okay");
            }
            else
            {
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            AsymmetricCipherKeyPair  pair = pGen.generateKeyPair();
       
            ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), random);

            ECDSASigner ecdsa = new ECDSASigner();

            ecdsa.init(true, param);

            byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").toByteArray();
            BigInteger[] sig = ecdsa.generateSignature(message);

            ecdsa.init(false, pair.getPublic());

            if (ecdsa.verifySignature(message, sig[0], sig[1]))
            {
                return new SimpleTestResult(true, getName() + ": Okay");
            }
            else
            {
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    static public class ecDSA
        extends Signature
    {
        public ecDSA()
        {
            super(new SHA1Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSAnone
        extends Signature
    {
        public ecDSAnone()
        {
            super(new NullDigest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSA224
        extends Signature
    {
        public ecDSA224()
        {
            super(new SHA224Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSA256
        extends Signature
    {
        public ecDSA256()
        {
            super(new SHA256Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSA384
        extends Signature
    {
        public ecDSA384()
        {
            super(new SHA384Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSA512
        extends Signature
    {
        public ecDSA512()
        {
            super(new SHA512Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
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    static public class ecDSARipeMD160
        extends Signature
    {
        public ecDSARipeMD160()
        {
            super(new RIPEMD160Digest(), new ECDSASigner(), new StdDSAEncoder());
        }
View Full Code Here
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Related Classes of org.bouncycastle.crypto.signers.ECDSASigner

  • com.bitsofproof.supernode.common.ECKeyPair
  • com.xeiam.xchange.coinfloor.CoinfloorUtils
  • org.bouncycastle.crypto.params.ParametersWithRandom
  • org.bouncycastle.crypto.test.ECTest$ECDSA192bitPrime
  • org.bouncycastle.crypto.test.ECTest$ECDSA239bitPrime
  • org.bouncycastle.crypto.test.ECTest$ECDSAKeyGenTest
  • org.bouncycastle.crypto.tls.TlsECDSASigner
  • org.bouncycastle.jcajce.provider.asymmetric.ec.SignatureSpi$ecCVCDSA
  • org.bouncycastle.jcajce.provider.asymmetric.ec.SignatureSpi$ecCVCDSA224
  • org.bouncycastle.jcajce.provider.asymmetric.ec.SignatureSpi$ecCVCDSA256
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