Package java.security.spec

Examples of java.security.spec.PKCS8EncodedKeySpec


        try {
            KeyFactory kf = KeyFactory.getInstance(type.alg);

            PublicKey pubK = getPublicKey(type, pub);

            PKCS8EncodedKeySpec pks = new PKCS8EncodedKeySpec(pri);
            PrivateKey privK = kf.generatePrivate(pks);
            // FIXME verify that the keys are consistent if assertions/logging enabled??

            return getKeyPair(pubK, privK);
        } catch (UnsupportedTypeException e) {
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            if (pub.length > curve.modulusSize)
                throw new InvalidKeyException();
            ECPublicKey pubK = getPublicKey(pub, curve);

            pri = Base64.decode(sfs.get("pri"));
            PKCS8EncodedKeySpec ks = new PKCS8EncodedKeySpec(pri);
            KeyFactory kf = KeyFactory.getInstance("EC", curve.kfProvider);
            ECPrivateKey privK = (ECPrivateKey) kf.generatePrivate(ks);

            this.key = new KeyPair(pubK, privK);
        } catch (Exception e) {
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        InputStream inStream = new ByteArrayInputStream(PrivateKey.getCertificate());
        try {
            byte[] keyBytes = new byte[inStream.available()];
            inStream.read(keyBytes);

            PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes);
            KeyFactory keyFactory = KeyFactory.getInstance("RSA");
            PrivateKey key = (RSAPrivateKey) keyFactory.generatePrivate(keySpec);

            Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
            cipher.init(Cipher.DECRYPT_MODE, key);
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        ECPrivateKey        privKey = (ECPrivateKey)keyFac.generatePrivate(privPKCS8);

        if (!privKey.getS().equals(((ECPrivateKey)aKeyPair.getPrivate()).getS()))
        {
            fail(algorithm + " private key encoding (S test) failed");
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    private void testEnc()
        throws Exception
    {
        KeyFactory  kFact = KeyFactory.getInstance("DH", "BC");

        Key k = kFact.generatePrivate(new PKCS8EncodedKeySpec(samplePrivEnc));

        if (!Arrays.areEqual(samplePrivEnc, k.getEncoded()))
        {
            fail("private key re-encode failed");
        }
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        if (!privKey.equals(crtKey))
        {
            fail("private key equality check failed");
        }

        crtKey = (RSAPrivateCrtKey)keyFact.generatePrivate(new PKCS8EncodedKeySpec(privKey.getEncoded()));

        if (!privKey.equals(crtKey))
        {
            fail("private key equality check failed");
        }
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        if (!k1.getParameters().equals(((GOST3410PublicKey)vKey).getParameters()))
        {
            fail("public parameters not decoded properly");
        }

        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());
        GOST3410PrivateKey   k2 = (GOST3410PrivateKey)f.generatePrivate(pkcs8);

        if (!k2.getX().equals(((GOST3410PrivateKey)sKey).getX()))
        {
            fail("private number not decoded properly");
        }

        if (!k2.getParameters().equals(((GOST3410PrivateKey)sKey).getParameters()))
        {
            fail("private number not decoded properly");
        }

        k2 = (GOST3410PrivateKey)serializeDeserialize(sKey);
        if (!k2.getX().equals(((GOST3410PrivateKey)sKey).getX()))
        {
            fail("private number not deserialised properly");
        }

        if (!k2.getParameters().equals(((GOST3410PrivateKey)sKey).getParameters()))
        {
            fail("private number not deserialised properly");
        }

        checkEquals(k2, sKey);

        if (!(k2 instanceof PKCS12BagAttributeCarrier))
        {
            fail("private key not implementing PKCS12 attribute carrier");
        }

        k1 = (GOST3410PublicKey)serializeDeserialize(vKey);

        if (!k1.getY().equals(((GOST3410PublicKey)vKey).getY()))
        {
            fail("public number not deserialised properly");
        }

        if (!k1.getParameters().equals(((GOST3410PublicKey)vKey).getParameters()))
        {
            fail("public parameters not deserialised properly");
        }

        checkEquals(k1, vKey);

        //
        // ECGOST3410 generation test
        //
        s = Signature.getInstance("ECGOST3410", "BC");
        g = KeyPairGenerator.getInstance("ECGOST3410", "BC");

//        BigInteger mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564821041"); //p
//
//        ECCurve curve = new ECCurve.Fp(
//            mod_p, // p
//            new BigInteger("7"), // a
//            new BigInteger("43308876546767276905765904595650931995942111794451039583252968842033849580414")); // b
//
//        ECParameterSpec ecSpec = new ECParameterSpec(
//                curve,
//                    new ECPoint.Fp(curve,
//                                   new ECFieldElement.Fp(mod_p,new BigInteger("2")), // x
//                                   new ECFieldElement.Fp(mod_p,new BigInteger("4018974056539037503335449422937059775635739389905545080690979365213431566280"))), // y
//                    new BigInteger("57896044618658097711785492504343953927082934583725450622380973592137631069619")); // q

        g.initialize(new ECNamedCurveGenParameterSpec("GostR3410-2001-CryptoPro-A"), new SecureRandom());

        p = g.generateKeyPair();

        sKey = p.getPrivate();
        vKey = p.getPublic();

        s.initSign(sKey);

        s.update(data);

        sigBytes = s.sign();

        s = Signature.getInstance("ECGOST3410", "BC");

        s.initVerify(vKey);

        s.update(data);

        if (!s.verify(sigBytes))
        {
            fail("ECGOST3410 verification failed");
        }

        //
        // encoded test
        //
        f = KeyFactory.getInstance("ECGOST3410", "BC");

        x509s = new X509EncodedKeySpec(vKey.getEncoded());
        ECPublicKey eck1 = (ECPublicKey)f.generatePublic(x509s);

        if (!eck1.getQ().equals(((ECPublicKey)vKey).getQ()))
        {
            fail("public number not decoded properly");
        }

        if (!eck1.getParameters().equals(((ECPublicKey)vKey).getParameters()))
        {
            fail("public parameters not decoded properly");
        }

        pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());
        ECPrivateKey eck2 = (ECPrivateKey)f.generatePrivate(pkcs8);

        if (!eck2.getD().equals(((ECPrivateKey)sKey).getD()))
        {
            fail("private number not decoded properly");
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                {
                    return kf.generatePublic(new X509EncodedKeySpec(encoded));
                }
                else if (wrappedKeyType == Cipher.PRIVATE_KEY)
                {
                    return kf.generatePrivate(new PKCS8EncodedKeySpec(encoded));
                }
            }
            catch (NoSuchProviderException e)
            {
                throw new InvalidKeyException("Unknown key type " + e.getMessage());
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