Examples of java.security.KeyFactory.generatePrivate()

java.security.KeyFactory.generatePrivate()
Generates a private key object from the provided key specification (key material). @param keySpec the specification (key material) of the private key. @return the private key. @exception InvalidKeySpecException if the given key specificationis inappropriate for this key factory to produce a private key.

        
        //
        // set up the keys
        //
        KeyFactory          fact = KeyFactory.getInstance("RSA", "BC");
        PrivateKey          caPrivKey  = fact.generatePrivate(caPrivKeySpec);
        PublicKey           caPubKey   = fact.generatePublic(caPubKeySpec);
        PrivateKey          intPrivKey = fact.generatePrivate(intPrivKeySpec);
        PublicKey           intPubKey  = fact.generatePublic(intPubKeySpec);
        PrivateKey          privKey    = fact.generatePrivate(privKeySpec);
        PublicKey           pubKey     = fact.generatePublic(pubKeySpec);

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        // set up the keys
        //
        KeyFactory          fact = KeyFactory.getInstance("RSA", "BC");
        PrivateKey          caPrivKey  = fact.generatePrivate(caPrivKeySpec);
        PublicKey           caPubKey   = fact.generatePublic(caPubKeySpec);
        PrivateKey          intPrivKey = fact.generatePrivate(intPrivKeySpec);
        PublicKey           intPubKey  = fact.generatePublic(intPubKeySpec);
        PrivateKey          privKey    = fact.generatePrivate(privKeySpec);
        PublicKey           pubKey     = fact.generatePublic(pubKeySpec);
        
        X509Certificate     trustCert       = createTrustCert(caPubKey, caPrivKey);

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        KeyFactory          fact = KeyFactory.getInstance("RSA", "BC");
        PrivateKey          caPrivKey  = fact.generatePrivate(caPrivKeySpec);
        PublicKey           caPubKey   = fact.generatePublic(caPubKeySpec);
        PrivateKey          intPrivKey = fact.generatePrivate(intPrivKeySpec);
        PublicKey           intPubKey  = fact.generatePublic(intPubKeySpec);
        PrivateKey          privKey    = fact.generatePrivate(privKeySpec);
        PublicKey           pubKey     = fact.generatePublic(pubKeySpec);
        
        X509Certificate     trustCert       = createTrustCert(caPubKey, caPrivKey);
        CertificatePolicies intPolicies     = null;
        Hashtable           map             = null;

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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("private key encoding (S test) failed");
        }

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        //
        // private key encoding test
        //
        byte[]              privEnc = sKey.getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        ECPrivateKey        privKey = (ECPrivateKey)keyFac.generatePrivate(privPKCS8);


        if (!privKey.getS().equals(((ECPrivateKey)sKey).getS()))
        {
            fail("private key encoding (S test) failed");
        }

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        //
        // private key encoding test
        //
        byte[]              privEnc = sKey.getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        ECPrivateKey        privKey = (ECPrivateKey)keyFac.generatePrivate(privPKCS8);


        if (!privKey.getS().equals(((ECPrivateKey)sKey).getS()))
        {
            fail("GOST private key encoding (S test) failed");
        }

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      PrivateKey          privKey;
      PublicKey           pubKey;


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


      privKey = fact.generatePrivate(privKeySpec);
      pubKey = fact.generatePublic(pubKeySpec);


      //
      // distinguished name table.
      //

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        checkPublic(k1, vKey);
        
        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());


        DSAPrivateKey        k2 = (DSAPrivateKey)f.generatePrivate(pkcs8);


        checkPrivateKey(k2, sKey);
        
        //
        // key decoding test - SUN decoding BC keys

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                curve.decodePoint(Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
                spec);
        
        Signature           sgr = Signature.getInstance("ECDSA", "BC");
        KeyFactory          f = KeyFactory.getInstance("ECDSA", "BC");
        PrivateKey          sKey = f.generatePrivate(priKey);
        PublicKey           vKey = f.generatePublic(pubKey);
        
        sgr.initSign(sKey, k);
        
        byte[] message = new byte[] { (byte)'a', (byte)'b', (byte)'c' };

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                curve.decodePoint(Hex.decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
                spec);


        Signature           sgr = Signature.getInstance("NONEwithECDSA", "BC");
        KeyFactory          f = KeyFactory.getInstance("ECDSA", "BC");
        PrivateKey          sKey = f.generatePrivate(priKey);
        PublicKey           vKey = f.generatePublic(pubKey);


        byte[] message = "abc".getBytes();
        byte[] sig = Hex.decode("3040021e2cb7f36803ebb9c427c58d8265f11fc5084747133078fc279de874fbecb0021e64cb19604be06c57e761b3de5518f71de0f6e0cd2df677cec8a6ffcb690d");

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