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

Example 61 with DSAPublicKeySpec

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

the class PublicKeyLoginModuleTest method testUnknownKeyDSA.

@Test
public void testUnknownKeyDSA() throws Exception {
    Properties options = getLoginModuleOptions();
    PublickeyLoginModule module = new PublickeyLoginModule();
    Subject subject = new Subject();
    String p = "1076175237625726563105954460741409330556298182412863930703571469202992312952487088821612089126846931217220" + "139938550642040962241586994856559462488140821681403960733982209827487135132210000913512532065787125116985685638" + "40437219296134522589816052156357553531846010339651017908589163855315552516201352809575855397";
    String q = "918380515194943729419256231914804453973955269349";
    String g = "5928865413019314795162062081939159959737363875586187627523617102819491716184351195073908492559564825805562" + "104476892066919492044841627907376461274343797017375757242038772707578284292374846844427026690399002493750530347" + "2378225083646830569532678306021077676137269211638266431262139218141967811197461432032698462";
    String y = "3780682190459260799543888842390974417268312111951424991203659597814001671832656608276823896973755971735795" + "130565245682634187551545737028902938478313465290457154458005480679650487421678748598551351730312164280338152996" + "0448119336850459047721615478019482431582683540283279032651976075781966545889409150149549267";
    // Generate a PublicKey using the known values
    KeyFactory keyFactory = KeyFactory.getInstance("DSA");
    KeySpec publicKeySpec = new DSAPublicKeySpec(new BigInteger(y), new BigInteger(p), new BigInteger(q), new BigInteger(g));
    PublicKey publicKey = keyFactory.generatePublic(publicKeySpec);
    module.initialize(subject, new NamePubkeyCallbackHandler("dsa", publicKey), null, options);
    assertEquals("Precondition", 0, subject.getPrincipals().size());
    try {
        module.login();
        fail("Failure expected on an unknown user");
    } catch (FailedLoginException ex) {
    // expected
    }
}

Example 62 with DSAPublicKeySpec

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

the class PublicKeyLoginModuleTest method testDSALogin.

@Test
public void testDSALogin() throws Exception {
    Properties options = getLoginModuleOptions();
    PublickeyLoginModule module = new PublickeyLoginModule();
    Subject subject = new Subject();
    String p = "1076175237625726563105954460741409330556298182412863930703571469202992312952487088821612089126846931217220" + "139938550642040962241586994856559462488140821681403960733982209827487135132210000913512532065787125116985685638" + "40437219296134522589816052156357553531846010339651017908589163855315552516201352809575855397";
    String q = "918380515194943729419256231914804453973955269349";
    String g = "5928865413019314795162062081939159959737363875586187627523617102819491716184351195073908492559564825805562" + "104476892066919492044841627907376461274343797017375757242038772707578284292374846844427026690399002493750530347" + "2378225083646830569532678306021077676137269211638266431262139218141967811197461432032698462";
    String y = "3780682190459260799543888842390974417268312111951424991203659597814001671832656608276823896973755971735795" + "130565245682634187551545737028902938478313465290457154458005480679650487421678748598551351730312164280338152996" + "0448119336850459047721615478019482431582683540283279032651976075781966545889409150149549269";
    // Generate a PublicKey using the known values
    KeyFactory keyFactory = KeyFactory.getInstance("DSA");
    KeySpec publicKeySpec = new DSAPublicKeySpec(new BigInteger(y), new BigInteger(p), new BigInteger(q), new BigInteger(g));
    PublicKey publicKey = keyFactory.generatePublic(publicKeySpec);
    module.initialize(subject, new NamePubkeyCallbackHandler("dsa", publicKey), null, options);
    assertEquals("Precondition", 0, subject.getPrincipals().size());
    assertTrue(module.login());
    assertTrue(module.commit());
    assertFalse(subject.getPrincipals().isEmpty());
    assertThat("dsa", isIn(names(subject.getPrincipals(UserPrincipal.class))));
    // We didn't configure any roles
    assertTrue(names(subject.getPrincipals(RolePrincipal.class)).isEmpty());
    assertTrue(module.logout());
    assertEquals("Principals should be gone as the user has logged out", 0, subject.getPrincipals().size());
}

Example 63 with DSAPublicKeySpec

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

the class KeyPairLoader method convertPrivateToPublicKey.

private static PublicKey convertPrivateToPublicKey(PrivateKey privateKey) throws NoSuchAlgorithmException, InvalidKeySpecException {
    if (privateKey instanceof RSAPrivateCrtKey) {
        KeySpec keySpec = new RSAPublicKeySpec(((RSAPrivateCrtKey) privateKey).getModulus(), ((RSAPrivateCrtKey) privateKey).getPublicExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        return keyFactory.generatePublic(keySpec);
    } else if (privateKey instanceof ECPrivateKey) {
        ECPrivateKey ecPrivateKey = (ECPrivateKey) privateKey;
        // Derive the public point by multiplying the generator by the private value
        ECParameterSpec paramSpec = EC5Util.convertSpec(ecPrivateKey.getParams());
        ECPoint q = paramSpec.getG().multiply(ecPrivateKey.getS());
        KeySpec keySpec = new ECPublicKeySpec(q, paramSpec);
        KeyFactory keyFactory = KeyFactory.getInstance("EC");
        return keyFactory.generatePublic(keySpec);
    } else if (privateKey instanceof DSAPrivateKey) {
        DSAPrivateKey dsaPrivateKey = (DSAPrivateKey) privateKey;
        BigInteger q = dsaPrivateKey.getParams().getQ();
        BigInteger p = dsaPrivateKey.getParams().getP();
        KeySpec keySpec = new DSAPublicKeySpec(q.modPow(dsaPrivateKey.getX(), p), p, q, dsaPrivateKey.getParams().getG());
        KeyFactory keyFactory = KeyFactory.getInstance("DSA");
        return keyFactory.generatePublic(keySpec);
    } else {
        LOGGER.warn("Unable to convert private key to public key. Only RSA, DSA + ECDSA supported");
        return null;
    }
}