Examples of ECFieldF2m

Examples of java.security.spec.ECFieldF2m

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        byte[] kData = BigIntegers.asUnsignedByteArray(new BigInteger("171278725565216523967285789236956265265265235675811949404040041670216363"));

        SecureRandom    k = new FixedSecureRandom(kData);

        EllipticCurve curve = new EllipticCurve(
            new ECFieldF2m(239, // m
                           new int[] { 36 }), // k
            new BigInteger("32010857077C5431123A46B808906756F543423E8D27877578125778AC76", 16), // a
            new BigInteger("790408F2EEDAF392B012EDEFB3392F30F4327C0CA3F31FC383C422AA8C16", 16)); // b
   
        ECParameterSpec params = new ECParameterSpec(
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Examples of java.security.spec.ECFieldF2m

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            if (curveF2m.isTrinomial())
            {
                ks = new int[] { curveF2m.getK1() };
               
                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), seed);
            }
            else
            {
                ks = new int[] { curveF2m.getK3(), curveF2m.getK2(), curveF2m.getK1() };
               
                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), seed);
            }
        }
    }
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Examples of java.security.spec.ECFieldF2m

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        {
            return new ECCurve.Fp(((ECFieldFp)field).getP(), a, b);
        }
        else
        {
            ECFieldF2m fieldF2m = (ECFieldF2m)field;
            int m = fieldF2m.getM();
            int ks[] = ECUtil.convertMidTerms(fieldF2m.getMidTermsOfReductionPolynomial());
            return new ECCurve.F2m(m, ks[0], ks[1], ks[2], a, b);
        }
    }
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Examples of java.security.spec.ECFieldF2m

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            if (curveF2m.isTrinomial())
            {
                ks = new int[] { curveF2m.getK1() };
               
                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), seed);
            }
            else
            {
                ks = new int[] { curveF2m.getK3(), curveF2m.getK2(), curveF2m.getK1() };

                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), seed);
            }
        }

    }
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Examples of java.security.spec.ECFieldF2m

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        byte[] kData = BigIntegers.asUnsignedByteArray(new BigInteger("171278725565216523967285789236956265265265235675811949404040041670216363"));

        SecureRandom    k = new FixedSecureRandom(kData);

        EllipticCurve curve = new EllipticCurve(
            new ECFieldF2m(239, // m
                           new int[] { 36 }), // k
            new BigInteger("32010857077C5431123A46B808906756F543423E8D27877578125778AC76", 16), // a
            new BigInteger("790408F2EEDAF392B012EDEFB3392F30F4327C0CA3F31FC383C422AA8C16", 16)); // b
   
        ECParameterSpec params = new ECParameterSpec(
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Examples of java.security.spec.ECFieldF2m

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     *
     * Assertion: pentanomial basis - objects equal if their m, and rp
     * are mutually equal.
     */
    public final void testEqualsObject04() {
        ECFieldF2m f1 = new ECFieldF2m(2000, new int[] {981, 2, 1});
        ECFieldF2m f2 = new ECFieldF2m(2000, BigInteger.valueOf(0L).
                setBit(0).setBit(1).setBit(2).
                setBit(981).setBit(2000));
        assertTrue(f1.equals(f2) && f2.equals(f1));
    }
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Examples of java.security.spec.ECFieldF2m

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     * Test #5 for <code>equals()</code> method.<br>
     *
     * Assertion: objects equal if their m, and rp are mutually equal.
     */
    public final void testEqualsObject05() {
        ECFieldF2m f1 = new ECFieldF2m(2000);
        ECFieldF2m f2 = new ECFieldF2m(2000, BigInteger.valueOf(0L).
                setBit(0).setBit(1).setBit(2).
                setBit(981).setBit(2000));
        assertFalse(f1.equals(f2) || f2.equals(f1));
    }
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Examples of java.security.spec.ECFieldF2m

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     * Test #6 for <code>equals(Object obj)</code> method.<br>
     *
     * Assertion: returns false if obj is <code>null</code>
     */
    public final void testEqualsObject06() {
        assertFalse(new ECFieldF2m(2000).equals(null));
    }
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Examples of java.security.spec.ECFieldF2m

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     * Test #7 for <code>equals(Object obj)</code> method.<br>
     *
     * Assertion: returns false if obj is not instance of <code>ECFieldF2m</code>
     */
    public final void testEqualsObject07() {
        assertFalse(new ECFieldF2m(2000).equals(new Object()));
    }
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Examples of java.security.spec.ECFieldF2m

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     * Test for <code>getFieldSize()</code> method.<br>
     *
     * Assertion: returns m value for <code>ECFieldF2m</code>
     */
    public final void testGetFieldSize() {
        assertEquals(2000, new ECFieldF2m(2000).getFieldSize());
    }
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