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Example 76 with EllipticCurve

use of java.security.spec.EllipticCurve in project j2objc by google.

the class EllipticCurveTest method testEllipticCurveECFieldBigIntegerBigIntegerbyteArray04.

/**
 * Test #4 for <code>EllipticCurve(ECField, BigInteger, BigInteger, byte[])</code>
 * constructor<br>
 * Assertion: throws <code>IllegalArgumentException</code> if
 * <code>a</code> or <code>b</code> is not <code>null</code> and not in
 * the <code>field</code><br>
 * Test preconditions: pass <code>a</code>, <code>b</code> which are
 * not in the <code>field</code> of type <code>ECFieldF2m</code><br>
 * Expected: must throw <code>IllegalArgumentException</code>
 */
public final void testEllipticCurveECFieldBigIntegerBigIntegerbyteArray04() {
    // test case 1 parameters set,
    // a is not in field
    ECFieldF2m f = new ECFieldF2m(5);
    BigInteger a = BigInteger.valueOf(32L);
    BigInteger b = BigInteger.valueOf(19L);
    byte[] seed = new byte[24];
    // perform test case 1
    try {
        new EllipticCurve(f, a, b, seed);
        fail("#1: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
    // test case 2 parameters set,
    // b is not in field
    f = new ECFieldF2m(5);
    a = BigInteger.valueOf(19L);
    b = BigInteger.valueOf(32L);
    seed = new byte[24];
    // perform test case 2
    try {
        new EllipticCurve(f, a, b, seed);
        fail("#2: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
    // test case 3 parameters set,
    // both a and b are not in field
    f = new ECFieldF2m(5);
    a = BigInteger.valueOf(32L);
    b = BigInteger.valueOf(43L);
    seed = new byte[24];
    // perform test case 3
    try {
        new EllipticCurve(f, a, b, seed);
        fail("#3: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
}
Also used : EllipticCurve(java.security.spec.EllipticCurve) BigInteger(java.math.BigInteger) ECFieldF2m(java.security.spec.ECFieldF2m)

Example 77 with EllipticCurve

use of java.security.spec.EllipticCurve in project j2objc by google.

the class EllipticCurveTest method testEllipticCurveECFieldBigIntegerBigInteger03.

/**
 * Test #3 for <code>EllipticCurve(ECField, BigInteger, BigInteger)</code>
 * constructor<br>
 * Assertion: throws <code>IllegalArgumentException</code> if
 * <code>a</code> or <code>b</code> is not <code>null</code> and not in
 * the <code>field</code><br>
 * Test preconditions: pass <code>a</code>, <code>b</code> which are
 * not in the <code>field</code> of type <code>ECFieldFp</code><br>
 * Expected: must throw <code>IllegalArgumentException</code>
 */
public final void testEllipticCurveECFieldBigIntegerBigInteger03() {
    // test case 1 parameters set,
    // a is not in field
    ECFieldFp f = new ECFieldFp(BigInteger.valueOf(23L));
    BigInteger a = BigInteger.valueOf(24L);
    BigInteger b = BigInteger.valueOf(19L);
    // perform test case 1
    try {
        new EllipticCurve(f, a, b);
        fail("#1: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
    // test case 1.1 parameters set,
    // a is not in field
    f = new ECFieldFp(BigInteger.valueOf(23L));
    a = BigInteger.valueOf(23L);
    b = BigInteger.valueOf(19L);
    // perform test case 1.1
    try {
        new EllipticCurve(f, a, b);
        fail("#1.1: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
    // test case 2 parameters set,
    // b is not in field
    f = new ECFieldFp(BigInteger.valueOf(23L));
    a = BigInteger.valueOf(19L);
    b = BigInteger.valueOf(24L);
    // perform test case 2
    try {
        new EllipticCurve(f, a, b);
        fail("#2: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
    // test case 3 parameters set,
    // both a and b are not in field
    f = new ECFieldFp(BigInteger.valueOf(23L));
    a = BigInteger.valueOf(25L);
    b = BigInteger.valueOf(240L);
    // perform test case 3
    try {
        new EllipticCurve(f, a, b);
        fail("#3: Expected IAE not thrown");
    } catch (IllegalArgumentException ok) {
    }
}
Also used : ECFieldFp(java.security.spec.ECFieldFp) EllipticCurve(java.security.spec.EllipticCurve) BigInteger(java.math.BigInteger)

Example 78 with EllipticCurve

use of java.security.spec.EllipticCurve in project j2objc by google.

the class EllipticCurveTest method testGetSeed04.

/**
 * java.security.spec.EllipticCurve#getSeed()
 * Assertion: null if not specified
 */
public final void testGetSeed04() {
    // Regression for HARMONY-732
    ECFieldFp f = new ECFieldFp(BigInteger.valueOf(23L));
    BigInteger a = BigInteger.ONE;
    assertNull(new EllipticCurve(f, a, a).getSeed());
}
Also used : ECFieldFp(java.security.spec.ECFieldFp) EllipticCurve(java.security.spec.EllipticCurve) BigInteger(java.math.BigInteger)

Aggregations

EllipticCurve (java.security.spec.EllipticCurve)78 BigInteger (java.math.BigInteger)48 ECFieldFp (java.security.spec.ECFieldFp)43 ECPoint (java.security.spec.ECPoint)30 ECFieldF2m (java.security.spec.ECFieldF2m)28 ECParameterSpec (java.security.spec.ECParameterSpec)23 GeneralSecurityException (java.security.GeneralSecurityException)7 ECField (java.security.spec.ECField)7 ECCurve (org.bouncycastle.math.ec.ECCurve)7 X962Parameters (org.bouncycastle.asn1.x9.X962Parameters)6 X9ECParameters (org.bouncycastle.asn1.x9.X9ECParameters)6 ECNamedCurveSpec (org.bouncycastle.jce.spec.ECNamedCurveSpec)6 KeyPair (java.security.KeyPair)5 KeyPairGenerator (java.security.KeyPairGenerator)5 ECPublicKeySpec (java.security.spec.ECPublicKeySpec)5 IOException (java.io.IOException)4 NoSuchAlgorithmException (java.security.NoSuchAlgorithmException)4 ECPublicKey (java.security.interfaces.ECPublicKey)4 ASN1ObjectIdentifier (org.bouncycastle.asn1.ASN1ObjectIdentifier)4 ECPrivateKey (java.security.interfaces.ECPrivateKey)3