Examples of RSAPrivateCrtKey

java.security.interfaces.RSAPrivateCrtKey
The interface to an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values. @author Jan Luehe @version 1.13 05/11/17 @see RSAPrivateKey

Examples of java.security.interfaces.RSAPrivateCrtKey

        switch (keyPair.getPublicKey().getAlgorithm())
        {
        case PGPPublicKey.RSA_ENCRYPT:
        case PGPPublicKey.RSA_SIGN:
        case PGPPublicKey.RSA_GENERAL:
            RSAPrivateCrtKey    rsK = (RSAPrivateCrtKey)keyPair.getPrivateKey().getKey();
            
            secKey = new RSASecretBCPGKey(rsK.getPrivateExponent(), rsK.getPrimeP(), rsK.getPrimeQ());
            break;
        case PGPPublicKey.DSA:
            DSAPrivateKey       dsK = (DSAPrivateKey)keyPair.getPrivateKey().getKey();
            
            secKey = new DSASecretBCPGKey(dsK.getX());

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Examples of java.security.interfaces.RSAPrivateCrtKey


            return new RSAPrivateKeySpec(k.getModulus(), k.getPrivateExponent());
       }
       else if (spec.isAssignableFrom(RSAPrivateCrtKeySpec.class) && key instanceof RSAPrivateCrtKey)
       {
            RSAPrivateCrtKey    k = (RSAPrivateCrtKey)key;


            return new RSAPrivateCrtKeySpec(
                            k.getModulus(), k.getPublicExponent(),
                            k.getPrivateExponent(),
                            k.getPrimeP(), k.getPrimeQ(),
                            k.getPrimeExponentP(), k.getPrimeExponentQ(),
                            k.getCrtCoefficient());
       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;
           
           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
           
           return new DHPublicKeySpec(k.getY(), k.getParams().getP(), k.getParams().getG());
       }


       throw new RuntimeException("not implemented yet " + key + " " + spec);
    }

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Examples of java.security.interfaces.RSAPrivateCrtKey

      // create RSAPublicKeySpec key spec using key file
      RSAPrivateCrtKeySpec RSAPrivSpec =
      new RSAPrivateCrtKeySpec(RSAmod, RSApubExp,RSAPrivExp,RSAp,RSAq,RSADp,RSADq,RSAqInv);


      KeyFactory keyfactory = KeyFactory.getInstance("RSA");
      RSAPrivateCrtKey privateKey = (RSAPrivateCrtKey)keyfactory.generatePrivate(RSAPrivSpec);


      Provider newProvider = (java.security.Provider)Class.forName
              ("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
      Security.addProvider(newProvider);

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Examples of java.security.interfaces.RSAPrivateCrtKey


            return new RSAPrivateKeySpec(k.getModulus(), k.getPrivateExponent());
       }
       else if (spec.isAssignableFrom(RSAPrivateCrtKeySpec.class) && key instanceof RSAPrivateCrtKey)
       {
            RSAPrivateCrtKey    k = (RSAPrivateCrtKey)key;


            return new RSAPrivateCrtKeySpec(
                            k.getModulus(), k.getPublicExponent(),
                            k.getPrivateExponent(),
                            k.getPrimeP(), k.getPrimeQ(),
                            k.getPrimeExponentP(), k.getPrimeExponentQ(),
                            k.getCrtCoefficient());
       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;
           
           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
           
           return new DHPublicKeySpec(k.getY(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPublicKeySpec.class) && key instanceof ECPublicKey)
       {
           ECPublicKey k = (ECPublicKey)key;


           return new java.security.spec.ECPublicKeySpec(k.getW(), k.getParams());
       }
       else if (spec.isAssignableFrom(java.security.spec.ECPrivateKeySpec.class) && key instanceof ECPrivateKey)
       {
           ECPrivateKey k = (ECPrivateKey)key;


           return new java.security.spec.ECPrivateKeySpec(k.getS(), k.getParams());
       }


       throw new RuntimeException("not implemented yet " + key + " " + spec);
    }

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Examples of java.security.interfaces.RSAPrivateCrtKey

    RSAPrivateKey privKey = key.toRSAPrivateKey();
    assertEquals(new Base64URL(n).decodeToBigInteger(), privKey.getModulus());
    assertEquals(new Base64URL(d).decodeToBigInteger(), privKey.getPrivateExponent());


    assertTrue(privKey instanceof RSAPrivateCrtKey);
    RSAPrivateCrtKey privCrtKey = (RSAPrivateCrtKey)privKey;
    assertEquals(new Base64URL(e).decodeToBigInteger(), privCrtKey.getPublicExponent());
    assertEquals(new Base64URL(p).decodeToBigInteger(), privCrtKey.getPrimeP());
    assertEquals(new Base64URL(q).decodeToBigInteger(), privCrtKey.getPrimeQ());
    assertEquals(new Base64URL(dp).decodeToBigInteger(), privCrtKey.getPrimeExponentP());
    assertEquals(new Base64URL(dq).decodeToBigInteger(), privCrtKey.getPrimeExponentQ());
    assertEquals(new Base64URL(qi).decodeToBigInteger(), privCrtKey.getCrtCoefficient());




    // Key pair export
    KeyPair pair = key.toKeyPair();


    RSAPublicKey pubKey = (RSAPublicKey)pair.getPublic();
    assertEquals(new Base64URL(n).decodeToBigInteger(), pubKey.getModulus());
    assertEquals(new Base64URL(e).decodeToBigInteger(), pubKey.getPublicExponent());
    assertEquals("RSA", pubKey.getAlgorithm());


    privKey = (RSAPrivateKey)pair.getPrivate();
    assertEquals(new Base64URL(n).decodeToBigInteger(), privKey.getModulus());
    assertEquals(new Base64URL(d).decodeToBigInteger(), privKey.getPrivateExponent());


    assertTrue(privKey instanceof RSAPrivateCrtKey);
    privCrtKey = (RSAPrivateCrtKey)privKey;
    assertEquals(new Base64URL(e).decodeToBigInteger(), privCrtKey.getPublicExponent());
    assertEquals(new Base64URL(p).decodeToBigInteger(), privCrtKey.getPrimeP());
    assertEquals(new Base64URL(q).decodeToBigInteger(), privCrtKey.getPrimeQ());
    assertEquals(new Base64URL(dp).decodeToBigInteger(), privCrtKey.getPrimeExponentP());
    assertEquals(new Base64URL(dq).decodeToBigInteger(), privCrtKey.getPrimeExponentQ());
    assertEquals(new Base64URL(qi).decodeToBigInteger(), privCrtKey.getCrtCoefficient());




    // Key pair import, 1st private form
    key = new RSAKey(pubKey, privKey, KeyUse.SIGNATURE, null, JWSAlgorithm.RS256, "1", null, null, null);
    assertEquals(KeyUse.SIGNATURE, key.getKeyUse());

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Examples of java.security.interfaces.RSAPrivateCrtKey


    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(512);
    KeyPair keyPair = keyGen.genKeyPair();
    RSAPublicKey rsaPublicKeyIn = (RSAPublicKey)keyPair.getPublic();
    RSAPrivateCrtKey rsaPrivateKeyIn = (RSAPrivateCrtKey)keyPair.getPrivate();


    RSAKey rsaJWK = new RSAKey(rsaPublicKeyIn, rsaPrivateKeyIn, null, null, null, null, null, null, null);


    // Compare JWK values with original Java RSA values
    assertEquals(rsaPublicKeyIn.getPublicExponent(), rsaJWK.getPublicExponent().decodeToBigInteger());
    assertEquals(rsaPublicKeyIn.getModulus(), rsaJWK.getModulus().decodeToBigInteger());
    assertEquals(rsaPrivateKeyIn.getPrivateExponent(), rsaJWK.getPrivateExponent().decodeToBigInteger());


    // Compare CRT params
    assertEquals(rsaPrivateKeyIn.getPrimeP(), rsaJWK.getFirstPrimeFactor().decodeToBigInteger());
    assertEquals(rsaPrivateKeyIn.getPrimeQ(), rsaJWK.getSecondPrimeFactor().decodeToBigInteger());
    assertEquals(rsaPrivateKeyIn.getPrimeExponentP(), rsaJWK.getFirstFactorCRTExponent().decodeToBigInteger());
    assertEquals(rsaPrivateKeyIn.getPrimeExponentQ(), rsaJWK.getSecondFactorCRTExponent().decodeToBigInteger());
    assertEquals(rsaPrivateKeyIn.getCrtCoefficient(), rsaJWK.getFirstCRTCoefficient().decodeToBigInteger());
    assertTrue(rsaJWK.getOtherPrimes() == null || rsaJWK.getOtherPrimes().isEmpty());


    // Convert back to Java RSA keys
    RSAPublicKey rsaPublicKeyOut = rsaJWK.toRSAPublicKey();
    RSAPrivateCrtKey rsaPrivateKeyOut = (RSAPrivateCrtKey)rsaJWK.toRSAPrivateKey();


    assertEquals(rsaPublicKeyIn.getAlgorithm(), rsaPublicKeyOut.getAlgorithm());
    assertEquals(rsaPublicKeyIn.getPublicExponent(), rsaPublicKeyOut.getPublicExponent());
    assertEquals(rsaPublicKeyIn.getModulus(), rsaPublicKeyOut.getModulus());


    assertEquals(rsaPrivateKeyIn.getAlgorithm(), rsaPrivateKeyOut.getAlgorithm());
    assertEquals(rsaPrivateKeyIn.getPrivateExponent(), rsaPrivateKeyOut.getPrivateExponent());


    assertEquals(rsaPrivateKeyIn.getPrimeP(), rsaPrivateKeyOut.getPrimeP());
    assertEquals(rsaPrivateKeyIn.getPrimeQ(), rsaPrivateKeyOut.getPrimeQ());
    assertEquals(rsaPrivateKeyIn.getPrimeExponentP(), rsaPrivateKeyOut.getPrimeExponentP());
    assertEquals(rsaPrivateKeyIn.getPrimeExponentQ(), rsaPrivateKeyOut.getPrimeExponentQ());
    assertEquals(rsaPrivateKeyIn.getCrtCoefficient(), rsaPrivateKeyOut.getCrtCoefficient());


    // Compare encoded forms
    assertEquals("Public RSA", Base64.encode(rsaPublicKeyIn.getEncoded()).toString(), Base64.encode(rsaPublicKeyOut.getEncoded()).toString());
    assertEquals("Private RSA", Base64.encode(rsaPrivateKeyIn.getEncoded()).toString(), Base64.encode(rsaPrivateKeyOut.getEncoded()).toString());


    RSAKey rsaJWK2 = new RSAKey.Builder(rsaPublicKeyOut).privateKey(rsaPrivateKeyOut).build();


    // Compare JWK values with original Java RSA values
    assertEquals(rsaPublicKeyIn.getPublicExponent(), rsaJWK2.getPublicExponent().decodeToBigInteger());

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Examples of java.security.interfaces.RSAPrivateCrtKey

     */
    public static String encodePrivateKeyToXml(PrivateKey key) {
        if (!RSAPrivateCrtKey.class.isInstance(key)) {
            throw new IllegalArgumentException("The key you provided is not RSAPrivateCrtKey");
        }
        RSAPrivateCrtKey priKey = (RSAPrivateCrtKey) key;
        StringBuilder sb = new StringBuilder();


        sb.append("<RSAKeyValue>");
        sb.append("<Modulus>").append(Base64Util.byteToBase64(priKey.getModulus().toByteArray())).append("</Modulus>");
        sb.append("<Exponent>").append(Base64Util.byteToBase64(priKey.getPublicExponent().toByteArray()))
                .append("</Exponent>");
        sb.append("<P>").append(Base64Util.byteToBase64(priKey.getPrimeP().toByteArray())).append("</P>");
        sb.append("<Q>").append(Base64Util.byteToBase64(priKey.getPrimeQ().toByteArray())).append("</Q>");
        sb.append("<DP>").append(Base64Util.byteToBase64(priKey.getPrimeExponentP().toByteArray())).append("</DP>");
        sb.append("<DQ>").append(Base64Util.byteToBase64(priKey.getPrimeExponentQ().toByteArray())).append("</DQ>");
        sb.append("<InverseQ>").append(Base64Util.byteToBase64(priKey.getCrtCoefficient().toByteArray()))
                .append("</InverseQ>");
        sb.append("<D>").append(Base64Util.byteToBase64(priKey.getPrivateExponent().toByteArray())).append("</D>");
        sb.append("</RSAKeyValue>");
        return sb.toString();
    }

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Examples of java.security.interfaces.RSAPrivateCrtKey

     */
    public static String encodePrivateKeyToXml(PrivateKey key) {
        if (!RSAPrivateCrtKey.class.isInstance(key)) {
            throw new IllegalArgumentException("The key you provided is not RSAPrivateCrtKey");
        }
        RSAPrivateCrtKey priKey = (RSAPrivateCrtKey) key;
        StringBuilder sb = new StringBuilder();


        sb.append("<RSAKeyValue>");
        sb.append("<Modulus>").append(Base64Util.byteToBase64(priKey.getModulus().toByteArray())).append("</Modulus>");
        sb.append("<Exponent>").append(Base64Util.byteToBase64(priKey.getPublicExponent().toByteArray()))
                .append("</Exponent>");
        sb.append("<P>").append(Base64Util.byteToBase64(priKey.getPrimeP().toByteArray())).append("</P>");
        sb.append("<Q>").append(Base64Util.byteToBase64(priKey.getPrimeQ().toByteArray())).append("</Q>");
        sb.append("<DP>").append(Base64Util.byteToBase64(priKey.getPrimeExponentP().toByteArray())).append("</DP>");
        sb.append("<DQ>").append(Base64Util.byteToBase64(priKey.getPrimeExponentQ().toByteArray())).append("</DQ>");
        sb.append("<InverseQ>").append(Base64Util.byteToBase64(priKey.getCrtCoefficient().toByteArray()))
                .append("</InverseQ>");
        sb.append("<D>").append(Base64Util.byteToBase64(priKey.getPrivateExponent().toByteArray())).append("</D>");
        sb.append("</RSAKeyValue>");
        return sb.toString();
    }

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Examples of java.security.interfaces.RSAPrivateCrtKey

        throws CertificateException, KeyStoreException,
        NoSuchAlgorithmException, InvalidKeyException,
        NoSuchProviderException {
        X509Certificate theOne = null;
        if (key instanceof RSAPrivateCrtKey) {
            final RSAPrivateCrtKey rsa = (RSAPrivateCrtKey) key;
            BigInteger publicExponent = rsa.getPublicExponent();
            BigInteger modulus = rsa.getModulus();
            for (int i = 0; i < chain.length; i++) {
                X509Certificate c = (X509Certificate) chain[i];
                PublicKey pub = c.getPublicKey();
                if (pub instanceof RSAPublicKey) {
                    RSAPublicKey certKey = (RSAPublicKey) pub;

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Examples of java.security.interfaces.RSAPrivateCrtKey

            List pemItems = new LinkedList();
            PrivateKey key = (PrivateKey) ks.getKey(alias, password);
            Certificate[] chain = ks.getCertificateChain(alias);
            byte[] pkcs8DerBytes = null;
            if (key instanceof RSAPrivateCrtKey) {
                RSAPrivateCrtKey rsa = (RSAPrivateCrtKey) key;
                ASN1EncodableVector vec = new ASN1EncodableVector();
                vec.add(new DERInteger(BigInteger.ZERO));
                vec.add(new DERInteger(rsa.getModulus()));
                vec.add(new DERInteger(rsa.getPublicExponent()));
                vec.add(new DERInteger(rsa.getPrivateExponent()));
                vec.add(new DERInteger(rsa.getPrimeP()));
                vec.add(new DERInteger(rsa.getPrimeQ()));
                vec.add(new DERInteger(rsa.getPrimeExponentP()));
                vec.add(new DERInteger(rsa.getPrimeExponentQ()));
                vec.add(new DERInteger(rsa.getCrtCoefficient()));
                DERSequence seq = new DERSequence(vec);
                byte[] derBytes = PKCS8Key.encode(seq);
                PKCS8Key pkcs8 = new PKCS8Key(derBytes, null);
                pkcs8DerBytes = pkcs8.getDecryptedBytes();
            } else if (key instanceof DSAPrivateKey) {

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