Examples of ECFieldFp

java.security.spec.ECFieldFp
This immutable class defines an elliptic curve (EC) prime finite field. @see ECField @author Valerie Peng @version 1.4, 11/17/05 @since 1.5

Examples of java.security.spec.ECFieldFp

        throws Exception
    {
        KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA", "BC");


        EllipticCurve curve = new EllipticCurve(
            new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b


        java.security.spec.ECParameterSpec ecSpec = new java.security.spec.ECParameterSpec(
            curve,

View Full Code Here

Examples of java.security.spec.ECFieldFp

        throws Exception
    {
        KeyPairGenerator    g = KeyPairGenerator.getInstance(algorithm, "BC");


        EllipticCurve curve = new EllipticCurve(
                new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
                new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
                new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b


        ECParameterSpec ecSpec = new ECParameterSpec(
                curve,

View Full Code Here

Examples of java.security.spec.ECFieldFp

    SecureRandom    random = new FixedSecureRandom(new byte[][] { k1, k2 });
    
    private void decodeTest()
    {
        EllipticCurve curve = new EllipticCurve(
                new ECFieldFp(new BigInteger("6277101735386680763835789423207666416083908700390324961279")), // q
                new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
                new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b


        ECPoint p = ECPointUtil.decodePoint(curve, Hex.decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012"));

View Full Code Here

Examples of java.security.spec.ECFieldFp

        byte[] kData = BigIntegers.asUnsignedByteArray(new BigInteger("700000017569056646655505781757157107570501575775705779575555657156756655"));


        SecureRandom    k = new FixedSecureRandom(kData);


        EllipticCurve curve = new EllipticCurve(
            new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b


        ECParameterSpec spec = new ECParameterSpec(
            curve,

View Full Code Here

Examples of java.security.spec.ECFieldFp

        byte[]              data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
        Signature s = Signature.getInstance("ECDSA", "BC");
        KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA", "BC");


        EllipticCurve curve = new EllipticCurve(
            new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
            new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
            new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b


        ECParameterSpec ecSpec = new ECParameterSpec(
            curve,

View Full Code Here

Examples of java.security.spec.ECFieldFp

    {
        // TODO: the Sun EC implementation doesn't currently handle the seed properly
        // so at the moment it's set to null. Should probably look at making this configurable
        if (curve instanceof ECCurve.Fp)
        {
            return new EllipticCurve(new ECFieldFp(((ECCurve.Fp)curve).getQ()), curve.getA().toBigInteger(), curve.getB().toBigInteger(), null);
        }
        else
        {
            ECCurve.F2m curveF2m = (ECCurve.F2m)curve;
            int ks[];

View Full Code Here

Examples of java.security.spec.ECFieldFp

     * Expected: must pass without any exceptions
     */
    public final void testECParameterSpec01() {
        // Valid (see note below) parameters set
        EllipticCurve c =
            new EllipticCurve(new ECFieldFp(BigInteger.valueOf(5L)),
                              BigInteger.ZERO,
                              BigInteger.valueOf(4L));
        ECPoint g = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        new ECParameterSpec(c, g, BigInteger.valueOf(5L), 10);        
    }

View Full Code Here

Examples of java.security.spec.ECFieldFp

     * Expected: must throw <code>NullPointerException</code>
     */
    public final void testECParameterSpec02() {
        // Valid (see note below) parameters set
        EllipticCurve curve =
            new EllipticCurve(new ECFieldFp(BigInteger.valueOf(5L)),
                              BigInteger.ZERO,
                              BigInteger.valueOf(4L));
        ECPoint generator = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        BigInteger order = BigInteger.valueOf(5L);

View Full Code Here

Examples of java.security.spec.ECFieldFp

     * Expected: must throw <code>IllegalArgumentException</code>
     */
    public final void testECParameterSpec03() {
        // Valid (see note below) parameters set
        EllipticCurve curve =
            new EllipticCurve(new ECFieldFp(BigInteger.valueOf(5L)),
                              BigInteger.ZERO,
                              BigInteger.valueOf(4L));
        ECPoint generator = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));

View Full Code Here

Examples of java.security.spec.ECFieldFp

     * to the one passed to the constructor
     */
    public final void testGetCofactor() {
        // Valid (see note below) parameters set
        EllipticCurve curve =
            new EllipticCurve(new ECFieldFp(BigInteger.valueOf(5L)),
                              BigInteger.ZERO,
                              BigInteger.valueOf(4L));
        ECPoint generator = new ECPoint(BigInteger.ZERO, BigInteger.valueOf(2L));
        BigInteger order = BigInteger.valueOf(5L);
        int cofactor = 10;

View Full Code Here

0 1 2 3 4 5

TOP

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.