Package java.security.spec

Examples of java.security.spec.RSAPublicKeySpec

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            BigInteger  pri = new BigInteger("2aaaaaaa942920e38120ee965168302fd0301d73a4e60c7143ceb0adf0bf30b9352f50e8b9e4ceedd65343b2179005b2f099915e4b0c37e41314bb0821ad8330d23cba7f589e0f129b04c46b67dfce9d", 16);

            KeyFactory  f = KeyFactory.getInstance("RSA", "BC");

            PrivateKey  privKey = f.generatePrivate(new RSAPrivateKeySpec(mod, pri));
            PublicKey   pubKey = f.generatePublic(new RSAPublicKeySpec(mod, pub));
            byte[]      testSig = Hex.decode("5cf9a01854dbacaec83aae8efc563d74538192e95466babacd361d7c86000fe42dcb4581e48e4feb862d04698da9203b1803b262105104d510b365ee9c660857ba1c001aa57abfd1c8de92e47c275cae");

            data = Hex.decode("fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210");

            sig = Signature.getInstance("RIPEMD160WithRSA/ISO9796-2", "BC");
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    public TestResult checkCreation()
    {
        //
        // a sample key pair.
        //
        RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(
            new BigInteger("b4a7e46170574f16a97082b22be58b6a2a629798419be12872a4bdba626cfae9900f76abfb12139dce5de56564fab2b6543165a040c606887420e33d91ed7ed7", 16),
            new BigInteger("11", 16));

        RSAPrivateCrtKeySpec privKeySpec = new RSAPrivateCrtKeySpec(
            new BigInteger("b4a7e46170574f16a97082b22be58b6a2a629798419be12872a4bdba626cfae9900f76abfb12139dce5de56564fab2b6543165a040c606887420e33d91ed7ed7", 16),
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     * This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo
     * @param pubKeyInfo SubjectPublicKeyInfo instance containing the public key information.
     */
    public static PublicKey getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo) throws Exception{
        RSAPublicKeyStructure pubkeyStruct = new RSAPublicKeyStructure((ASN1Sequence)pubKeyInfo.getPublicKey());
        RSAPublicKeySpec pubkeySpec = new RSAPublicKeySpec(pubkeyStruct.getModulus(), pubkeyStruct.getPublicExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        PublicKey pubKey = keyFactory.generatePublic(pubkeySpec);
        return pubKey;
    }
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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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  }
  Element modulusElem = DOMUtils.getFirstChildElement(kvtElem);
        modulus = new DOMCryptoBinary(modulusElem.getFirstChild());
  Element exponentElem = DOMUtils.getNextSiblingElement(modulusElem);
        exponent = new DOMCryptoBinary(exponentElem.getFirstChild());
        RSAPublicKeySpec spec = new RSAPublicKeySpec
      (modulus.getBigNum(), exponent.getBigNum());
        return (RSAPublicKey) generatePublicKey(rsakf, spec);
    }
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            String keyAlg = getString();
            if (KeyPairProvider.SSH_RSA.equals(keyAlg)) {
                BigInteger e = getMPInt();
                BigInteger n = getMPInt();
                KeyFactory keyFactory = SecurityUtils.getKeyFactory("RSA");
                key = keyFactory.generatePublic(new RSAPublicKeySpec(n, e));
            } else if (KeyPairProvider.SSH_DSS.equals(keyAlg)) {
                BigInteger p = getMPInt();
                BigInteger q = getMPInt();
                BigInteger g = getMPInt();
                BigInteger y = getMPInt();
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                BigInteger q = getMPInt();
                BigInteger p = getMPInt();
                BigInteger dP = d.remainder(p.subtract(BigInteger.valueOf(1)));
                BigInteger dQ = d.remainder(q.subtract(BigInteger.valueOf(1)));
                KeyFactory keyFactory = SecurityUtils.getKeyFactory("RSA");
                pub = keyFactory.generatePublic(new RSAPublicKeySpec(n, e));
                prv = keyFactory.generatePrivate(new RSAPrivateCrtKeySpec(n, e, d, p, q, dP, dQ, qInv));
            } else if (KeyPairProvider.SSH_DSS.equals(keyAlg)) {
                BigInteger p = getMPInt();
                BigInteger q = getMPInt();
                BigInteger g = getMPInt();
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        byte[] keyBytes = { 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7 };
        SecretKeySpec dataEncryptKey = new SecretKeySpec(keyBytes, "AES");

        // Create public and private keys
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(
                new BigInteger(
                    "8710a2bcb2f3fdac177f0ae0461c2dd0ebf72e0d88a5400583a7d8bdabd6" +
                    "ae009d30cfdf6acb5b6a64cdc730bc630a39d946d08babffe62ea20a87e37c93b3b0e8a8e576045b" +
                    "bddfbde83ca9bfa180fe6a5f5eee60661936d728314e809201ef52cd71d9fa3c8ce83f9d30ab5e08" +
                    "1539219e7e45dd6a60be65ac95d2049b8f21", 16),
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     * Assertion: Constructs <code>RSAPublicKeySpec</code>
     * object using valid parameters
     */
    public final void testRSAPublicKeySpec01() {
        KeySpec ks =
            new RSAPublicKeySpec(BigInteger.valueOf(1234567890L),
                                 BigInteger.valueOf(3L));
       
        assertTrue(ks instanceof RSAPublicKeySpec);
    }
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     * Assertion: Constructs <code>RSAPublicKeySpec</code>
     * object using valid parameters
     */
    public final void testRSAPublicKeySpec02() {
        KeySpec ks =
            new RSAPublicKeySpec(null, null);

        assertTrue(ks instanceof RSAPublicKeySpec);
    }
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