Package java.security.interfaces

Examples of java.security.interfaces.RSAPrivateCrtKey

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   * @throws Exception
   */
  public RSAPrivateCrtKey getRSAPrivateCrtKey(byte [] key) throws Exception{
    PKCS8EncodedKeySpec pvkKeySpec = new PKCS8EncodedKeySpec(key);
    KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM);
    RSAPrivateCrtKey pvkKey = (RSAPrivateCrtKey) keyFactory.generatePrivate(pvkKeySpec);
    return pvkKey;
  }
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   * @return
   */
  private String getRSAPublicKeyAsNetFormat(byte[] key) {
    try {
      StringBuffer buff = new StringBuffer(1024);
      RSAPrivateCrtKey pvkKey = getRSAPrivateCrtKey(key);
      buff.append("<RSAKeyValue>");
      buff.append("<Modulus>"+ b64encode(removeMSZero(pvkKey.getModulus().toByteArray()))+ "</Modulus>");
      buff.append("<Exponent>"+ b64encode(removeMSZero(pvkKey.getPublicExponent().toByteArray())) + "</Exponent>");
      buff.append("</RSAKeyValue>");
      return buff.toString().replaceAll("[ \t\n\r]", "");
    } catch (Exception e) {
      System.err.println(e);
      return null;
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   * @return
   */
  private String getRSAPrivateKeyAsNetFormat(byte[] key) {
    try {
        StringBuffer buff = new StringBuffer(1024);
        RSAPrivateCrtKey pvkKey = getRSAPrivateCrtKey(key);
          buff.append("<RSAKeyValue>");
          buff.append("<Modulus>"+ b64encode(removeMSZero(pvkKey.getModulus().toByteArray()))+ "</Modulus>");
          buff.append("<Exponent>"+ b64encode(removeMSZero(pvkKey.getPublicExponent().toByteArray())) + "</Exponent>");//公用指数
          buff.append("<P>"+ b64encode(removeMSZero(pvkKey.getPrimeP().toByteArray()))+ "</P>");
          buff.append("<Q>"+ b64encode(removeMSZero(pvkKey.getPrimeQ().toByteArray()))+ "</Q>");
          buff.append("<DP>"+ b64encode(removeMSZero(pvkKey.getPrimeExponentP().toByteArray())) + "</DP>");
          buff.append("<DQ>"+ b64encode(removeMSZero(pvkKey.getPrimeExponentQ().toByteArray())) + "</DQ>");
          buff.append("<InverseQ>"+ b64encode(removeMSZero(pvkKey.getCrtCoefficient().toByteArray())) + "</InverseQ>");
          buff.append("<D>"+ b64encode(removeMSZero(pvkKey.getPrivateExponent().toByteArray())) + "</D>");
          buff.append("</RSAKeyValue>");
          return buff.toString().replaceAll("[\t\n\r]", "");
      } catch (Exception e) {
          System.err.println(e);
          return null;
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   * @throws Exception
   */
  public RSAPrivateCrtKey getRSAPrivateCrtKey(byte [] key) throws Exception{
    PKCS8EncodedKeySpec pvkKeySpec = new PKCS8EncodedKeySpec(key);
    KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM);
    RSAPrivateCrtKey pvkKey = (RSAPrivateCrtKey) keyFactory.generatePrivate(pvkKeySpec);
    return pvkKey;
  }
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   * @return
   */
  private String getRSAPublicKeyAsNetFormat(byte[] key) {
    try {
      StringBuffer buff = new StringBuffer(1024);
      RSAPrivateCrtKey pvkKey = getRSAPrivateCrtKey(key);
      buff.append("<RSAKeyValue>");
      buff.append("<Modulus>"+ b64encode(removeMSZero(pvkKey.getModulus().toByteArray()))+ "</Modulus>");
      buff.append("<Exponent>"+ b64encode(removeMSZero(pvkKey.getPublicExponent().toByteArray())) + "</Exponent>");
      buff.append("</RSAKeyValue>");
      return buff.toString().replaceAll("[ \t\n\r]", "");
    } catch (Exception e) {
      System.err.println(e);
      return null;
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            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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        if ( o == this )
        {
            return true;
        }

        RSAPrivateCrtKey key = (RSAPrivateCrtKey)o;

        return this.getModulus().equals(key.getModulus())
         && this.getPublicExponent().equals(key.getPublicExponent())
         && this.getPrivateExponent().equals(key.getPrivateExponent())
         && this.getPrimeP().equals(key.getPrimeP())
         && this.getPrimeQ().equals(key.getPrimeQ())
         && this.getPrimeExponentP().equals(key.getPrimeExponentP())
         && this.getPrimeExponentQ().equals(key.getPrimeExponentQ())
         && this.getCrtCoefficient().equals(key.getCrtCoefficient());
    }
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            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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      Pems.x509Certificate(ByteSource.wrap(CERTIFICATE.getBytes(Charsets.UTF_8)), CertificateFactory.getInstance("X.509"));
   }

   @Test
   public void testPrivateKeySpecPem() throws IOException, InvalidKeySpecException, NoSuchAlgorithmException {
      RSAPrivateCrtKey key = (RSAPrivateCrtKey) KeyFactory.getInstance("RSA").generatePrivate(
            Pems.privateKeySpec(ByteSource.wrap(PRIVATE_KEY.getBytes(Charsets.UTF_8))));
      String encoded = Pems.pem(key);
      assertEquals(encoded, PRIVATE_KEY.replaceAll("\n", ls));
   }
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    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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