Examples with EllipticCurve java.security.spec.EllipticCurve used on opensource projects

Example 6 with EllipticCurve

use of java.security.spec.EllipticCurve in project robovm by robovm.

the class EllipticCurveTest method testGetSeed03.

/**
     * Test #3 for <code>getSeed()</code> method<br>
     * Assertion: returned array is copied to prevent subsequent modification<br>
     * Test preconditions: <code>ECFieldF2m</code> instance
     * created using valid parameters<br>
     * Expected: repeated method calls must return different refs
     */
public final void testGetSeed03() {
    ECFieldFp f = new ECFieldFp(BigInteger.valueOf(23L));
    BigInteger a = BigInteger.ONE;
    BigInteger b = BigInteger.valueOf(19L);
    byte[] seed = new byte[24];
    EllipticCurve c = new EllipticCurve(f, a, b, seed);
    c.getSeed();
    assertNotSame(c.getSeed(), c.getSeed());
}

Example 7 with EllipticCurve

use of java.security.spec.EllipticCurve in project robovm by robovm.

the class EllipticCurveTest method testEllipticCurveECFieldBigIntegerBigIntegerbyteArray05.

/**
     * Test #5 for <code>EllipticCurve(ECField, BigInteger, BigInteger, byte[])</code>
     * constructor<br>
     * Assertion: array <code>seed</code> is copied to prevent subsequent modification<br>
     * Test preconditions: pass <code>seed</code> to the ctor then modify it<br>
     * Expected: getSeed() must return unmodified array
     */
public final void testEllipticCurveECFieldBigIntegerBigIntegerbyteArray05() {
    ECFieldF2m f = new ECFieldF2m(5);
    BigInteger a = BigInteger.valueOf(0L);
    BigInteger b = BigInteger.valueOf(19L);
    byte[] seed = new byte[24];
    byte[] seedCopy = seed.clone();
    EllipticCurve c = new EllipticCurve(f, a, b, seedCopy);
    // modify array passed
    seedCopy[0] = (byte) 1;
    // check that above modification did not changed
    // internal state of test object
    assertTrue(Arrays.equals(seed, c.getSeed()));
}

Example 8 with EllipticCurve

use of java.security.spec.EllipticCurve in project robovm by robovm.

the class EllipticCurveTest method testEllipticCurveECFieldBigIntegerBigInteger01.

/**
     * Test #1 for <code>EllipticCurve(ECField, BigInteger, BigInteger)</code>
     * constructor<br>
     * Assertion: creates instance of EllipticCurve<br>
     * Test preconditions: valid parameters passed, field type is ECFieldFp<br>
     * Expected: must pass without any exceptions
     */
public final void testEllipticCurveECFieldBigIntegerBigInteger01() {
    // test case 1 parameters set
    ECFieldFp f = new ECFieldFp(BigInteger.valueOf(23L));
    BigInteger a = BigInteger.ONE;
    BigInteger b = BigInteger.valueOf(19L);
    // perform test case 1
    new EllipticCurve(f, a, b);
    // test case 2 parameters set
    ECFieldF2m f1 = new ECFieldF2m(5);
    a = BigInteger.ZERO;
    b = BigInteger.valueOf(23L);
    // perform test case 2
    new EllipticCurve(f1, a, b);
    // test case 3 parameters set,
    // the seed parameter may be null
    f = new ECFieldFp(BigInteger.valueOf(23L));
    a = BigInteger.ONE;
    b = BigInteger.valueOf(19L);
    // perform test case 3
    new EllipticCurve(f, a, b);
}

Example 9 with EllipticCurve

use of java.security.spec.EllipticCurve in project robovm by robovm.

the class EllipticCurveTest method testEllipticCurveECFieldBigIntegerBigIntegerbyteArray01.

/**
     * Test #1 for <code>EllipticCurve(ECField, BigInteger, BigInteger, byte[])</code>
     * constructor<br>
     * Assertion: creates instance of EllipticCurve<br>
     * Test preconditions: valid parameters passed<br>
     * Expected: must pass without any exceptions
     */
public final void testEllipticCurveECFieldBigIntegerBigIntegerbyteArray01() {
    // test case 1 parameters set
    ECFieldFp f = new ECFieldFp(BigInteger.valueOf(23L));
    BigInteger a = BigInteger.ONE;
    BigInteger b = BigInteger.valueOf(19L);
    byte[] seed = new byte[24];
    // perform test case 1
    new EllipticCurve(f, a, b, seed);
    // test case 2 parameters set
    ECFieldF2m f1 = new ECFieldF2m(5);
    a = BigInteger.ZERO;
    b = BigInteger.valueOf(23L);
    // perform test case 2
    new EllipticCurve(f1, a, b, seed);
    // test case 3 parameters set,
    // the seed parameter may be null
    f = new ECFieldFp(BigInteger.valueOf(23L));
    a = BigInteger.ONE;
    b = BigInteger.valueOf(19L);
    seed = null;
    // perform test case 3
    new EllipticCurve(f, a, b, seed);
}

Example 10 with EllipticCurve

use of java.security.spec.EllipticCurve in project robovm by robovm.

the class EllipticCurveTest method testHashCode01.

/**
     * Test #1 for <code>hashCode()</code> method.<br>
     *
     * Assertion: must return the same value if invoked
     * repeatedly on the same object.
     */
public final void testHashCode01() {
    int hc = 0;
    EllipticCurve f = new EllipticCurve(new ECFieldFp(BigInteger.valueOf(23L)), BigInteger.ONE, BigInteger.valueOf(19L), new byte[24]);
    hc = f.hashCode();
    assertTrue(hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode() && hc == f.hashCode());
}