Package javax.crypto.interfaces

Examples of javax.crypto.interfaces.DHPrivateKey


            // only loop 100 times; then throw an exception
            throw new IllegalStateException("Unable to create 128 byte keys in 100 tries");
        }

        // place holder for the keys
        DHPrivateKey privateKey = null;
        DHPublicKey publicKey = null;

        if (!kekOnly) {
            KeyPair keyPair = null;
            try {
                keyPair = this.createKeys();
            } catch (NoSuchAlgorithmException e) {
                Debug.logError(e, module);
            } catch (InvalidAlgorithmParameterException e) {
                Debug.logError(e, module);
            } catch (InvalidKeySpecException e) {
                Debug.logError(e, module);
            }

            if (keyPair != null) {
                publicKey = (DHPublicKey) keyPair.getPublic();
                privateKey = (DHPrivateKey) keyPair.getPrivate();

                if (publicKey == null || publicKey.getY().toByteArray().length != 128) {
                    // run again until we get a 128 byte public key for VL
                    return this.outputKeyCreation(loop, kekOnly, kekTest);
                }
            } else {
                Debug.logInfo("Returned a null KeyPair", module);
                return this.outputKeyCreation(loop, kekOnly, kekTest);
            }
        } else {
            // use our existing private key to generate a KEK
            try {
                privateKey = (DHPrivateKey) this.getPrivateKey();
            } catch (Exception e) {
                Debug.logError(e, module);
            }
        }

        // the KEK
        byte[] kekBytes = null;
        try {
            kekBytes = this.generateKek(privateKey);
        } catch (NoSuchAlgorithmException e) {
            Debug.logError(e, module);
        } catch (InvalidKeySpecException e) {
            Debug.logError(e, module);
        } catch (InvalidKeyException e) {
            Debug.logError(e, module);
        }

        // the 3DES KEK value
        SecretKey loadedKek = this.getDesEdeKey(kekBytes);
        byte[] loadKekBytes = loadedKek.getEncoded();

        // test the KEK
        Cipher cipher = this.getCipher(this.getKekKey(), Cipher.ENCRYPT_MODE);
        byte[] kekTestB = { 0, 0, 0, 0, 0, 0, 0, 0 };
        byte[] kekTestC = new byte[0];
        if (kekTest != null) {
            kekTestB = StringUtil.fromHexString(kekTest);
        }

        // encrypt the test bytes
        try {
            kekTestC = cipher.doFinal(kekTestB);
        } catch (Exception e) {
            Debug.logError(e, module);
        }

        if (!kekOnly) {
            // public key (just Y)
            BigInteger y = publicKey.getY();
            byte[] yBytes = y.toByteArray();
            String yHex = StringUtil.toHexString(yBytes);
            buf.append("======== Begin Public Key (Y @ ").append(yBytes.length).append(" / ").append(yHex.length()).append(") ========\n");
            buf.append(yHex).append("\n");
            buf.append("======== End Public Key ========\n\n");

            // private key (just X)
            BigInteger x = privateKey.getX();
            byte[] xBytes = x.toByteArray();
            String xHex = StringUtil.toHexString(xBytes);
            buf.append("======== Begin Private Key (X @ ").append(xBytes.length).append(" / ").append(xHex.length()).append(") ========\n");
            buf.append(xHex).append("\n");
            buf.append("======== End Private Key ========\n\n");

            // private key (full)
            byte[] privateBytes = privateKey.getEncoded();
            String privateHex = StringUtil.toHexString(privateBytes);
            buf.append("======== Begin Private Key (Full @ ").append(privateBytes.length).append(" / ").append(privateHex.length()).append(") ========\n");
            buf.append(privateHex).append("\n");
            buf.append("======== End Private Key ========\n\n");
        }
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        //
        // private key encoding test
        //
        byte[]              privEnc = aKeyPair.getPrivate().getEncoded();
        PKCS8EncodedKeySpec privPKCS8 = new PKCS8EncodedKeySpec(privEnc);
        DHPrivateKey        privKey = (DHPrivateKey)keyFac.generatePrivate(privPKCS8);

        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key encoding/decoding test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key encoding/decoding test failed on y value");
        }

        //
        // private key serialisation test
        //
        bOut = new ByteArrayOutputStream();
        oOut = new ObjectOutputStream(bOut);

        oOut.writeObject(aKeyPair.getPrivate());

        bIn = new ByteArrayInputStream(bOut.toByteArray());
        oIn = new ObjectInputStream(bIn);

        privKey = (DHPrivateKey)oIn.readObject();
        spec = privKey.getParams();

        if (!spec.getG().equals(dhParams.getG()) || !spec.getP().equals(dhParams.getP()))
        {
            fail(size + " bit private key serialisation test failed on parameters");
        }

        if (!((DHPrivateKey)aKeyPair.getPrivate()).getX().equals(privKey.getX()))
        {
            fail(size + " bit private key serialisation test failed on y value");
        }

        //
View Full Code Here

    private void checkKeySize(int privateValueSize, KeyPair aKeyPair)
    {
        if (privateValueSize != 0)
        {
            DHPrivateKey key = (DHPrivateKey)aKeyPair.getPrivate();

            if (key.getX().bitLength() != privateValueSize)
            {
                fail("limited key check failed for key size " + privateValueSize);
            }
        }
    }
View Full Code Here

            // only loop 100 times; then throw an exception
            throw new IllegalStateException("Unable to create 128 byte keys in 100 tries");
        }

        // place holder for the keys
        DHPrivateKey privateKey = null;
        DHPublicKey publicKey = null;

        if (!kekOnly) {
            KeyPair keyPair = null;
            try {
                keyPair = this.createKeys();
            } catch (NoSuchAlgorithmException e) {
                Debug.logError(e, module);
            } catch (InvalidAlgorithmParameterException e) {
                Debug.logError(e, module);
            } catch (InvalidKeySpecException e) {
                Debug.logError(e, module);
            }

            if (keyPair != null) {
                publicKey = (DHPublicKey) keyPair.getPublic();
                privateKey = (DHPrivateKey) keyPair.getPrivate();

                if (publicKey == null || publicKey.getY().toByteArray().length != 128) {
                    // run again until we get a 128 byte public key for VL
                    return this.outputKeyCreation(loop, kekOnly, kekTest);
                }
            } else {
                Debug.log("Returned a null KeyPair", module);
                return this.outputKeyCreation(loop, kekOnly, kekTest);
            }
        } else {
            // use our existing private key to generate a KEK
            try {
                privateKey = (DHPrivateKey) this.getPrivateKey();
            } catch (Exception e) {
                Debug.logError(e, module);
            }
        }

        // the KEK
        byte[] kekBytes = null;
        try {
            kekBytes = this.generateKek(privateKey);
        } catch (NoSuchAlgorithmException e) {
            Debug.logError(e, module);
        } catch (InvalidKeySpecException e) {
            Debug.logError(e, module);
        } catch (InvalidKeyException e) {
            Debug.logError(e, module);
        }

        // the 3DES KEK value
        SecretKey loadedKek = this.getDesEdeKey(kekBytes);
        byte[] loadKekBytes = loadedKek.getEncoded();

        // test the KEK
        Cipher cipher = this.getCipher(this.getKekKey(), Cipher.ENCRYPT_MODE);
        byte[] kekTestB = { 0, 0, 0, 0, 0, 0, 0, 0 };
        byte[] kekTestC = new byte[0];
        if (kekTest != null) {
            kekTestB = StringUtil.fromHexString(kekTest);
        }

        // encrypt the test bytes
        try {
            kekTestC = cipher.doFinal(kekTestB);
        } catch (Exception e) {
            Debug.logError(e, module);
        }

        if (!kekOnly) {
            // public key (just Y)
            BigInteger y = publicKey.getY();
            byte[] yBytes = y.toByteArray();
            String yHex = StringUtil.toHexString(yBytes);
            buf.append("======== Begin Public Key (Y @ ").append(yBytes.length).append(" / ").append(yHex.length()).append(") ========\n");
            buf.append(yHex).append("\n");
            buf.append("======== End Public Key ========\n\n");

            // private key (just X)
            BigInteger x = privateKey.getX();
            byte[] xBytes = x.toByteArray();
            String xHex = StringUtil.toHexString(xBytes);
            buf.append("======== Begin Private Key (X @ ").append(xBytes.length).append(" / ").append(xHex.length()).append(") ========\n");
            buf.append(xHex).append("\n");
            buf.append("======== End Private Key ========\n\n");

            // private key (full)
            byte[] privateBytes = privateKey.getEncoded();
            String privateHex = StringUtil.toHexString(privateBytes);
            buf.append("======== Begin Private Key (Full @ ").append(privateBytes.length).append(" / ").append(privateHex.length()).append(") ========\n");
            buf.append(privateHex).append("\n");
            buf.append("======== End Private Key ========\n\n");
        }
View Full Code Here

    }

    protected byte[] getDigestedZZ(String otherPublicKeyBase64)
    {
        DHPublicKey  dhPublicKey  = stringToPublicKey(otherPublicKeyBase64);
        DHPrivateKey dhPrivateKey = getPrivateKey();
        BigInteger xa = dhPrivateKey.getX();
        BigInteger yb = dhPublicKey.getY();
        BigInteger p  = _dhParameterSpec.getP();

        BigInteger zz = yb.modPow(xa, p);
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    }

    protected byte[] getDigestedZZ(String otherPublicKeyBase64)
    {
        DHPublicKey  dhPublicKey  = stringToPublicKey(otherPublicKeyBase64);
        DHPrivateKey dhPrivateKey = getPrivateKey();
        BigInteger xa = dhPrivateKey.getX();
        BigInteger yb = dhPublicKey.getY();
        BigInteger p  = _dhParameterSpec.getP();

        BigInteger zz = yb.modPow(xa, p);
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                            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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                            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);
    }
View Full Code Here

            // only loop 100 times; then throw an exception
            throw new IllegalStateException("Unable to create 128 byte keys in 100 tries");
        }

        // place holder for the keys
        DHPrivateKey privateKey = null;
        DHPublicKey publicKey = null;

        if (!kekOnly) {
            KeyPair keyPair = null;
            try {
                keyPair = this.createKeys();
            } catch (NoSuchAlgorithmException e) {
                Debug.logError(e, module);
            } catch (InvalidAlgorithmParameterException e) {
                Debug.logError(e, module);
            } catch (InvalidKeySpecException e) {
                Debug.logError(e, module);
            }

            if (keyPair != null) {
                publicKey = (DHPublicKey) keyPair.getPublic();
                privateKey = (DHPrivateKey) keyPair.getPrivate();

                if (publicKey == null || publicKey.getY().toByteArray().length != 128) {
                    // run again until we get a 128 byte public key for VL
                    return this.outputKeyCreation(loop, kekOnly, kekTest);
                }
            } else {
                Debug.log("Returned a null KeyPair", module);
                return this.outputKeyCreation(loop, kekOnly, kekTest);
            }
        } else {
            // use our existing private key to generate a KEK
            try {
                privateKey = (DHPrivateKey) this.getPrivateKey();
            } catch (Exception e) {
                Debug.logError(e, module);
            }
        }

        // the KEK
        byte[] kekBytes = null;
        try {
            kekBytes = this.generateKek(privateKey);
        } catch (NoSuchAlgorithmException e) {
            Debug.logError(e, module);
        } catch (InvalidKeySpecException e) {
            Debug.logError(e, module);
        } catch (InvalidKeyException e) {
            Debug.logError(e, module);
        }

        // the 3DES KEK value
        SecretKey loadedKek = this.getDesEdeKey(kekBytes);
        byte[] loadKekBytes = loadedKek.getEncoded();

        // test the KEK
        Cipher cipher = this.getCipher(this.getKekKey(), Cipher.ENCRYPT_MODE);
        byte[] kekTestB = { 0, 0, 0, 0, 0, 0, 0, 0 };
        byte[] kekTestC = new byte[0];
        if (kekTest != null) {
            kekTestB = StringUtil.fromHexString(kekTest);
        }

        // encrypt the test bytes
        try {
            kekTestC = cipher.doFinal(kekTestB);
        } catch (Exception e) {
            Debug.logError(e, module);
        }

        if (!kekOnly) {
            // public key (just Y)
            BigInteger y = publicKey.getY();
            byte[] yBytes = y.toByteArray();
            String yHex = StringUtil.toHexString(yBytes);
            buf.append("======== Begin Public Key (Y @ " + yBytes.length + " / " + yHex.length() + ") ========\n");
            buf.append(yHex + "\n");
            buf.append("======== End Public Key ========\n\n");

            // private key (just X)
            BigInteger x = privateKey.getX();
            byte[] xBytes = x.toByteArray();
            String xHex = StringUtil.toHexString(xBytes);
            buf.append("======== Begin Private Key (X @ " + xBytes.length + " / " + xHex.length() + ") ========\n");
            buf.append(xHex + "\n");
            buf.append("======== End Private Key ========\n\n");

            // private key (full)
            byte[] privateBytes = privateKey.getEncoded();
            String privateHex = StringUtil.toHexString(privateBytes);
            buf.append("======== Begin Private Key (Full @ " + privateBytes.length + " / " + privateHex.length() + ") ========\n");
            buf.append(privateHex + "\n");
            buf.append("======== End Private Key ========\n\n");
        }
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        if (!(o instanceof DHPrivateKey))
        {
            return false;
        }

        DHPrivateKey other = (DHPrivateKey)o;

        return this.getX().equals(other.getX())
            && this.getParams().getG().equals(other.getParams().getG())
            && this.getParams().getP().equals(other.getParams().getP())
            && this.getParams().getL() == other.getParams().getL();
    }
View Full Code Here

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Related Classes of javax.crypto.interfaces.DHPrivateKey

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