Examples of ECFieldF2m

java.security.spec.ECFieldF2m
This immutable class defines an elliptic curve (EC) characteristic 2 finite field. @see ECField @author Valerie Peng @version 1.4, 11/17/05 @since 1.5

Examples of java.security.spec.ECFieldF2m

     *
     * 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

     * 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

     * 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

     * 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

     * 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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Examples of java.security.spec.ECFieldF2m

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

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Examples of java.security.spec.ECFieldF2m

     *
     * Assertion: returns mid terms of reduction polynomial
     */
    public final void testGetMidTermsOfReductionPolynomial01() {
        int[] a = new int[] {981,2,1};
        int[] b = new ECFieldF2m(2000,
                BigInteger.valueOf(0L).setBit(0).setBit(1).
                setBit(2).setBit(981).setBit(2000)).
                getMidTermsOfReductionPolynomial();
        assertTrue(Arrays.equals(a, b));
    }

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Examples of java.security.spec.ECFieldF2m

     * Test #2 for <code>getMidTermsOfReductionPolynomial()</code> method.<br>
     *
     * Assertion: returns null for normal basis
     */
    public final void testGetMidTermsOfReductionPolynomial02() {
        assertNull(new ECFieldF2m(2000).getMidTermsOfReductionPolynomial());
    }

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Examples of java.security.spec.ECFieldF2m

     *
     * Assertion: returns mid terms of reduction polynomial
     */
    public final void testGetMidTermsOfReductionPolynomial03() {
        int[] a = new int[] {367};
        int[] b = new ECFieldF2m(1999, a).getMidTermsOfReductionPolynomial();
        assertTrue(Arrays.equals(a, b));
    }

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Examples of java.security.spec.ECFieldF2m

     * Assertion: returns reduction polynomial
     */
    public final void testGetReductionPolynomial01() {
        BigInteger rp = BigInteger.valueOf(0L).setBit(0).setBit(1).setBit(2).
        setBit(981).setBit(2000);
        assertTrue(new ECFieldF2m(2000, rp).getReductionPolynomial().equals(rp));
    }

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