Examples of RSAPublicKeySpec

Examples of java.security.spec.RSAPublicKeySpec

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    throws AEVerifierException, Exception
  {
    KeyFactory key_factory = KeyFactory.getInstance("RSA");
   
    RSAPublicKeySpec   public_key_spec =
      new RSAPublicKeySpec( new BigInteger(modulus,16), new BigInteger(pub_exp,16));

    RSAPublicKey public_key   = (RSAPublicKey)key_factory.generatePublic( public_key_spec );

    verifyData( file, public_key );
  }
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Examples of java.security.spec.RSAPublicKeySpec

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    throws AEVerifierException, Exception
  {
    KeyFactory key_factory = KeyFactory.getInstance("RSA");
   
    RSAPublicKeySpec   public_key_spec =
      new RSAPublicKeySpec( new BigInteger(modulus,16), new BigInteger(pub_exp,16));

    RSAPublicKey public_key   = (RSAPublicKey)key_factory.generatePublic( public_key_spec );
   
    Signature  sig = Signature.getInstance("MD5withRSA" );
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Examples of java.security.spec.RSAPublicKeySpec

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           }
           else if (spec.isAssignableFrom(RSAPublicKeySpec.class) && key instanceof RSAPublicKey)
           {
                RSAPublicKey    k = (RSAPublicKey)key;

                return new RSAPublicKeySpec(k.getModulus(), k.getPublicExponent());
           }
           else if (spec.isAssignableFrom(RSAPrivateKeySpec.class) && key instanceof RSAPrivateKey)
           {
                RSAPrivateKey    k = (RSAPrivateKey)key;
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Examples of java.security.spec.RSAPublicKeySpec

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      byte[]   p = (byte[])map.get( "p" );
      byte[]  s = (byte[])map.get( "s" );
     
      KeyFactory key_factory = KeyFactory.getInstance("RSA");
     
      RSAPublicKeySpec   spec =
        new RSAPublicKeySpec(
            new BigInteger("a1467ed3ca8eceec60d6a5d1945d0ddb6febf6a514a8fea5b48a588fc8e977de8d7159c4e854b5a30889e729eb386fcb4b69e0a12401ee87810378ed491e52dc922a03b06c557d975514f0a70c42db3e06c0429824648a9cc4a2ea31bd429c305db3895c4efc4d1096f3c355842fd2281b27493c5588efd02bc4d26008a464d2214f15fab4d959d50fee985242dbb628180ee06938944e759a2d1cbd0adfa7d7dee7e6ec82d76a144a126944dbe69941fff02c31f782069131e7d03bc5bff69b9fea2cb153e90dc154dcdab7091901c3579a2c0337b60db772a0b35e4ed622bee5685b476ef0072558362e43750bc23d410a7dcb1cbf32d3967e24cfe5cdab1b",16),
            new BigInteger("10001",16));
 
      Signature  verifier = Signature.getInstance("MD5withRSA" );
     
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Examples of java.security.spec.RSAPublicKeySpec

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      try {
         KeyFactory rsaFactory = KeyFactory.getInstance("RSA");

         // KeyFactory rsaFactory = KeyFactory.getInstance(JCE_RSA);
         RSAPublicKeySpec rsaKeyspec =
            new RSAPublicKeySpec(this
               .getBigIntegerFromChildElement(Constants._TAG_MODULUS, Constants
               .SignatureSpecNS), this
                  .getBigIntegerFromChildElement(Constants
                     ._TAG_EXPONENT, Constants.SignatureSpecNS));
         PublicKey pk = rsaFactory.generatePublic(rsaKeyspec);
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Examples of java.security.spec.RSAPublicKeySpec

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    String modulusText  = publicKey.substring(0,0x100);
        String exponentText = publicKey.substring(0x100);
        BigInteger modulus  = new BigInteger(1, ConvertHelper.hexString2ByteNoSpace(modulusText));
        BigInteger exponent = new BigInteger(1, ConvertHelper.hexString2ByteNoSpace(exponentText));
      KeyFactory keyFactory = KeyFactory.getInstance("RSA");  
      RSAPublicKeySpec bobPubKeySpec = new RSAPublicKeySpec(modulus, exponent);  
      RSAPublicKey rsapublicKey = (RSAPublicKey) keyFactory.generatePublic(bobPubKeySpec);  
        return  rsapublicKey;
    } 
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Examples of java.security.spec.RSAPublicKeySpec

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     * @throws InvalidKeyException
     */
    public SshRsaPublicKey(byte[] encoded) throws InvalidKeyException {
        try {
            //this.hostKey = hostKey;
            RSAPublicKeySpec rsaKey;

            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(encoded);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidKeyException();
            }

            BigInteger e = bar.readBigInteger();
            BigInteger n = bar.readBigInteger();
            rsaKey = new RSAPublicKeySpec(n, e);

            try {
                KeyFactory kf = KeyFactory.getInstance("RSA");
                pubKey = (RSAPublicKey) kf.generatePublic(rsaKey);
            } catch (NoSuchAlgorithmException nsae) {
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Examples of java.security.spec.RSAPublicKeySpec

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            BigInteger n = bar.readBigInteger();

            // Read the private key
            BigInteger p = bar.readBigInteger();
            RSAPrivateKeySpec prvSpec = new RSAPrivateKeySpec(n, p);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(n, e);
            KeyFactory kf = KeyFactory.getInstance("RSA");
            prvKey = (RSAPrivateKey) kf.generatePrivate(prvSpec);
            pubKey = (RSAPublicKey) kf.generatePublic(pubSpec);
        } catch (Exception e) {
            throw new InvalidKeyException();
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Examples of java.security.spec.RSAPublicKeySpec

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            kspec = new DSAPublicKeySpec(new BigInteger(DSA_Y),
                        new BigInteger(DSA_P),
                        new BigInteger(DSA_Q),
                        new BigInteger(DSA_G));
        } else if (algo.equalsIgnoreCase("RSA")) {
            kspec = new RSAPublicKeySpec(new BigInteger(RSA_MOD),
                    new BigInteger(RSA_PUB));
        } else {
            throw new RuntimeException("Unsupported key algorithm " + algo);
        }
        return kf.generatePublic(kspec);
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Examples of java.security.spec.RSAPublicKeySpec

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            BigInteger modulus = decode(modulusElem);
            Element exponentElem = DOMUtils.getNextSiblingElement(modulusElem,
                                                                  "Exponent",
                                                                  XMLSignature.XMLNS);
            BigInteger exponent = decode(exponentElem);
            RSAPublicKeySpec spec = new RSAPublicKeySpec(modulus, exponent);
            return (RSAPublicKey) generatePublicKey(rsakf, spec);
        }
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