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

Example 66 with ECGenParameterSpec

use of java.security.spec.ECGenParameterSpec in project karaf by apache.

the class PublicKeyLoginModuleTest method testUnknownKeyEC.

@Test
public void testUnknownKeyEC() throws Exception {
    Properties options = getLoginModuleOptions();
    PublickeyLoginModule module = new PublickeyLoginModule();
    Subject subject = new Subject();
    String x = "2145382594999641569030545431803328907795332312211583318014254232969998637145";
    String y = "52282205184471090919696434245736603165041352971927370430120381994413951213993";
    KeyFactory keyFactory = KeyFactory.getInstance("EC");
    AlgorithmParameters parameters = AlgorithmParameters.getInstance("EC");
    parameters.init(new ECGenParameterSpec("secp256r1"));
    ECParameterSpec ecParameters = parameters.getParameterSpec(ECParameterSpec.class);
    ECPoint pubPoint = new ECPoint(new BigInteger(x), new BigInteger(y));
    KeySpec keySpec = new ECPublicKeySpec(pubPoint, ecParameters);
    PublicKey publicKey = keyFactory.generatePublic(keySpec);
    module.initialize(subject, new NamePubkeyCallbackHandler("ec", publicKey), null, options);
    assertEquals("Precondition", 0, subject.getPrincipals().size());
    try {
        module.login();
        fail("Failure expected on an unknown user");
    } catch (FailedLoginException ex) {
    // expected
    }
}