Examples with MGF1ParameterSpec java.security.spec.MGF1ParameterSpec used on opensource projects

Example 1 with MGF1ParameterSpec

use of java.security.spec.MGF1ParameterSpec in project jjwt by jwtk.

the class RsaProvider method createPssParameterSpecs.

private static Map<SignatureAlgorithm, PSSParameterSpec> createPssParameterSpecs() {
    Map<SignatureAlgorithm, PSSParameterSpec> m = new HashMap<SignatureAlgorithm, PSSParameterSpec>();
    MGF1ParameterSpec ps = MGF1ParameterSpec.SHA256;
    PSSParameterSpec spec = new PSSParameterSpec(ps.getDigestAlgorithm(), "MGF1", ps, 32, 1);
    m.put(SignatureAlgorithm.PS256, spec);
    ps = MGF1ParameterSpec.SHA384;
    spec = new PSSParameterSpec(ps.getDigestAlgorithm(), "MGF1", ps, 48, 1);
    m.put(SignatureAlgorithm.PS384, spec);
    ps = MGF1ParameterSpec.SHA512;
    spec = new PSSParameterSpec(ps.getDigestAlgorithm(), "MGF1", ps, 64, 1);
    m.put(SignatureAlgorithm.PS512, spec);
    return m;
}

Example 2 with MGF1ParameterSpec

use of java.security.spec.MGF1ParameterSpec in project robovm by robovm.

the class MGF1ParameterSpecTest method testMGF1ParameterSpec01.

//
// Tests
//
/**
     * Test #1 for <code>MGF1ParameterSpec</code> constructor<br>
     * Assertion: constructs new <code>MGF1ParameterSpec</code>
     * object using valid parameter
     */
public final void testMGF1ParameterSpec01() {
    try {
        MGF1ParameterSpec pgf = new MGF1ParameterSpec(testAlgName);
        assertNotNull(pgf);
        assertTrue(pgf instanceof MGF1ParameterSpec);
    } catch (Exception e) {
        fail("Unexpected exception: " + e);
    }
}

Example 3 with MGF1ParameterSpec

use of java.security.spec.MGF1ParameterSpec in project robovm by robovm.

the class MGF1ParameterSpecTest method testGetDigestAlgorithm.

/**
     * Test for <code>getDigestAlgorithm</code> method<br>
     * Assertion: returns the algorithm name of the message
     * digest used by the mask generation function
     */
public final void testGetDigestAlgorithm() {
    MGF1ParameterSpec aps = new MGF1ParameterSpec(testAlgName);
    assertTrue(testAlgName.equals(aps.getDigestAlgorithm()));
}

Example 4 with MGF1ParameterSpec

use of java.security.spec.MGF1ParameterSpec in project robovm by robovm.

the class CipherSpi method engineInit.

protected void engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
    CipherParameters param;
    if (params == null || params instanceof OAEPParameterSpec) {
        if (key instanceof RSAPublicKey) {
            if (privateKeyOnly && opmode == Cipher.ENCRYPT_MODE) {
                throw new InvalidKeyException("mode 1 requires RSAPrivateKey");
            }
            param = RSAUtil.generatePublicKeyParameter((RSAPublicKey) key);
        } else if (key instanceof RSAPrivateKey) {
            if (publicKeyOnly && opmode == Cipher.ENCRYPT_MODE) {
                throw new InvalidKeyException("mode 2 requires RSAPublicKey");
            }
            param = RSAUtil.generatePrivateKeyParameter((RSAPrivateKey) key);
        } else {
            throw new InvalidKeyException("unknown key type passed to RSA");
        }
        if (params != null) {
            OAEPParameterSpec spec = (OAEPParameterSpec) params;
            paramSpec = params;
            if (!spec.getMGFAlgorithm().equalsIgnoreCase("MGF1") && !spec.getMGFAlgorithm().equals(PKCSObjectIdentifiers.id_mgf1.getId())) {
                throw new InvalidAlgorithmParameterException("unknown mask generation function specified");
            }
            if (!(spec.getMGFParameters() instanceof MGF1ParameterSpec)) {
                throw new InvalidAlgorithmParameterException("unkown MGF parameters");
            }
            Digest digest = DigestFactory.getDigest(spec.getDigestAlgorithm());
            if (digest == null) {
                throw new InvalidAlgorithmParameterException("no match on digest algorithm: " + spec.getDigestAlgorithm());
            }
            MGF1ParameterSpec mgfParams = (MGF1ParameterSpec) spec.getMGFParameters();
            Digest mgfDigest = DigestFactory.getDigest(mgfParams.getDigestAlgorithm());
            if (mgfDigest == null) {
                throw new InvalidAlgorithmParameterException("no match on MGF digest algorithm: " + mgfParams.getDigestAlgorithm());
            }
            cipher = new OAEPEncoding(new RSABlindedEngine(), digest, mgfDigest, ((PSource.PSpecified) spec.getPSource()).getValue());
        }
    } else {
        throw new IllegalArgumentException("unknown parameter type.");
    }
    if (!(cipher instanceof RSABlindedEngine)) {
        if (random != null) {
            param = new ParametersWithRandom(param, random);
        } else {
            param = new ParametersWithRandom(param, new SecureRandom());
        }
    }
    bOut.reset();
    switch(opmode) {
        case Cipher.ENCRYPT_MODE:
        case Cipher.WRAP_MODE:
            cipher.init(true, param);
            break;
        case Cipher.DECRYPT_MODE:
        case Cipher.UNWRAP_MODE:
            cipher.init(false, param);
            break;
        default:
            throw new InvalidParameterException("unknown opmode " + opmode + " passed to RSA");
    }
}

Example 5 with MGF1ParameterSpec

use of java.security.spec.MGF1ParameterSpec in project j2objc by google.

the class MGF1ParameterSpecTest method testGetDigestAlgorithm.

/**
     * Test for <code>getDigestAlgorithm</code> method<br>
     * Assertion: returns the algorithm name of the message
     * digest used by the mask generation function
     */
public final void testGetDigestAlgorithm() {
    MGF1ParameterSpec aps = new MGF1ParameterSpec(testAlgName);
    assertTrue(testAlgName.equals(aps.getDigestAlgorithm()));
}