Examples with KeyPair java.security.KeyPair used on opensource projects

Example 66 with KeyPair

use of java.security.KeyPair in project j2objc by google.

the class KeyPairTest method testGetPrivate01.

/**
     * Test #1 for <code>getPrivate()</code> method<br>
     * Assertion: returns private key (<code>null</code> in this case)
     */
public final void testGetPrivate01() {
    KeyPair kp = new KeyPair(null, null);
    assertNull(kp.getPrivate());
}

Example 67 with KeyPair

use of java.security.KeyPair in project j2objc by google.

the class KeyPairTest method testGetPublic01.

/**
     * Test #1 for <code>getPublic()</code> method<br>
     * Assertion: returns public key (<code>null</code> in this case)
     */
public final void testGetPublic01() {
    KeyPair kp = new KeyPair(null, null);
    assertNull(kp.getPublic());
}

Example 68 with KeyPair

use of java.security.KeyPair in project j2objc by google.

the class KeyPairTest method testKeyPair01.

/**
     * Test #1 for <code>KeyPair(PublicKey, PrivateKey)</code> constructor<br>
     * Assertion: creates new <code>KeyPair</code> instance using valid
     * parameters (both <code>null</code>)
     */
public final void testKeyPair01() {
    Object kp = new KeyPair(null, null);
    assertTrue(kp instanceof KeyPair);
    kp = new KeyPair(null, TestKeyPair.getPrivate());
    assertTrue(kp instanceof KeyPair);
    kp = new KeyPair(TestKeyPair.getPublic(), null);
    assertTrue(kp instanceof KeyPair);
}

Example 69 with KeyPair

use of java.security.KeyPair in project wycheproof by google.

the class EcKeyTest method testDefaultKeyGeneration.

/**
   * Checks that the default key size for ECDSA is up to date.
   * The test uses NIST SP 800-57 part1 revision 4, Table 2, page 53
   * http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r4.pdf
   * for the minimal key size of EC keys.
   * Nist recommends a minimal security strength of 112 bits for the time until 2030.
   * To achieve this security strength EC keys of at least 224 bits are required.
   */
public void testDefaultKeyGeneration() throws Exception {
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("EC");
    KeyPair keyPair = keyGen.generateKeyPair();
    ECPublicKey pub = (ECPublicKey) keyPair.getPublic();
    int keySize = EcUtil.fieldSizeInBits(pub.getParams().getCurve());
    if (keySize < 224) {
        fail("Expected a default key size of at least 224 bits. Size of generate key is " + keySize);
    }
}

Example 70 with KeyPair

use of java.security.KeyPair in project wycheproof by google.

the class EcKeyTest method testEncodedPrivateKey.

public void testEncodedPrivateKey() throws Exception {
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("EC");
    keyGen.initialize(EcUtil.getNistP256Params());
    KeyPair keyPair = keyGen.generateKeyPair();
    ECPrivateKey priv = (ECPrivateKey) keyPair.getPrivate();
    byte[] encoded = priv.getEncoded();
    System.out.println("Encoded ECPrivateKey:" + TestUtil.bytesToHex(encoded));
    PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(encoded);
    KeyFactory kf = KeyFactory.getInstance("EC");
    ECPrivateKey decoded = (ECPrivateKey) kf.generatePrivate(spec);
    assertEquals(priv.getS(), decoded.getS());
    assertEquals(priv.getParams().getCofactor(), decoded.getParams().getCofactor());
    assertEquals(priv.getParams().getCurve(), decoded.getParams().getCurve());
    assertEquals(priv.getParams().getGenerator(), decoded.getParams().getGenerator());
    assertEquals(priv.getParams().getOrder(), decoded.getParams().getOrder());
}