Package javax.crypto.spec

Examples of javax.crypto.spec.IvParameterSpec

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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("SEED", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            if (k.getParam() != null)
            {
                param = k.getParam();
                if (params instanceof IvParameterSpec)
                {
                    IvParameterSpec iv = (IvParameterSpec)params;

                    param = new ParametersWithIV(param, iv.getIV());
                }
            }
            else if (params instanceof PBEParameterSpec)
            {
                pbeSpec = (PBEParameterSpec)params;
                param = PBE.Util.makePBEParameters(k, params, cipher.getUnderlyingCipher().getAlgorithmName());
            }
            else
            {
                throw new InvalidAlgorithmParameterException("PBE requires PBE parameters to be set.");
            }

            if (param instanceof ParametersWithIV)
            {
                ivParam = (ParametersWithIV)param;
            }
        }
        else if (params == null)
        {
            param = new KeyParameter(key.getEncoded());
        }
        else if (params instanceof IvParameterSpec)
        {
            if (ivLength != 0)
            {
                IvParameterSpec p = (IvParameterSpec)params;

                if (p.getIV().length != ivLength && !isAEADModeName(modeName))
                {
                    throw new InvalidAlgorithmParameterException("IV must be " + ivLength + " bytes long.");
                }

                if (key instanceof RepeatedSecretKeySpec)
                {
                    param = new ParametersWithIV(null, p.getIV());
                    ivParam = (ParametersWithIV)param;
                }
                else
                {
                    param = new ParametersWithIV(new KeyParameter(key.getEncoded()), p.getIV());
                    ivParam = (ParametersWithIV)param;
                }
            }
            else
            {
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        key = new SecretKeySpec(K, "AES");

        in = Cipher.getInstance("AES/EAX/NoPadding", "BC");
        out = Cipher.getInstance("AES/EAX/NoPadding", "BC");

        in.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(N));

        byte[] enc = in.doFinal(P);
        if (!areEqual(enc, C))
        {
            fail("ciphertext doesn't match in EAX");
        }

        out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(N));

        byte[] dec = out.doFinal(C);
        if (!areEqual(dec, P))
        {
            fail("plaintext doesn't match in EAX");
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        key = new SecretKeySpec(K, "AES");

        in = Cipher.getInstance("AES/CCM/NoPadding", "BC");
        out = Cipher.getInstance("AES/CCM/NoPadding", "BC");

        in.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(N));

        byte[] enc = in.doFinal(P);
        if (!areEqual(enc, C))
        {
            fail("ciphertext doesn't match in CCM");
        }

        out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(N));

        byte[] dec = out.doFinal(C);
        if (!areEqual(dec, P))
        {
            fail("plaintext doesn't match in CCM");
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        key = new SecretKeySpec(K, "AES");

        in = Cipher.getInstance("AES/GCM/NoPadding", "BC");
        out = Cipher.getInstance("AES/GCM/NoPadding", "BC");

        in.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(N));

        byte[] enc = in.doFinal(P);
        if (!areEqual(enc, C))
        {
            fail("ciphertext doesn't match in GCM");
        }

        out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(N));

        byte[] dec = out.doFinal(C);
        if (!areEqual(dec, P))
        {
            fail("plaintext doesn't match in GCM");
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        key = new SecretKeySpec(K, "AES");

        in = Cipher.getInstance("AES/OCB/NoPadding", "BC");
        out = Cipher.getInstance("AES/OCB/NoPadding", "BC");

        in.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(N));

        byte[] enc = in.doFinal(P);
        if (!areEqual(enc, C))
        {
            fail("ciphertext doesn't match in OCB");
        }

        out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(N));

        byte[] dec = out.doFinal(C);
        if (!areEqual(dec, P))
        {
            fail("plaintext doesn't match in OCB");
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        for (int i = 0; i != keys.length; i++)
        {
            Key sk = new SecretKeySpec(keys[i], "AES");
            c.init(
                Cipher.ENCRYPT_MODE, sk,
            new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));

            for (int j = 0; j != plain.length; j++)
            {
                byte[] crypt = c.update(plain[j]);
                if (!areEqual(crypt, cipher[i][j]))
                {
                    fail("AESSIC encrypt failed: key " + i + " block " + j);
                }
            }

            c.init(
                Cipher.DECRYPT_MODE, sk,
            new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));

            for (int j = 0; j != plain.length; j++)
            {
                byte[] crypt = c.update(cipher[i][j]);
                if (!areEqual(crypt, plain[j]))
                {
                    fail("AESSIC decrypt failed: key " + i + " block " + j);
                }
            }
        }

        //
        // check CTR also recognised.
        //
        c = Cipher.getInstance("AES/CTR/NoPadding", "BC");

        Key sk = new SecretKeySpec(Hex.decode("2B7E151628AED2A6ABF7158809CF4F3C"), "AES");

        c.init(
            Cipher.ENCRYPT_MODE, sk,
            new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));

        byte[] crypt = c.doFinal(Hex.decode("00000000000000000000000000000000"));

        if (!areEqual(crypt, Hex.decode("D23513162B02D0F72A43A2FE4A5F97AB")))
        {
            fail("AESSIC failed test 2");
        }
       
        //
        // check partial block processing
        //
        c = Cipher.getInstance("AES/CTR/NoPadding", "BC");

        sk = new SecretKeySpec(Hex.decode("2B7E151628AED2A6ABF7158809CF4F3C"), "AES");

        c.init(
            Cipher.ENCRYPT_MODE, sk,
            new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));

        crypt = c.doFinal(Hex.decode("12345678"));

        c.init(
                Cipher.DECRYPT_MODE, sk,
                new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001")));
       
        crypt = c.doFinal(crypt);
       
        if (!areEqual(crypt, Hex.decode("12345678")))
        {
            fail("AESSIC failed partial test");
        }

        // null key test
        sk = new RepeatedSecretKeySpec("AES");

        c.init(
                Cipher.ENCRYPT_MODE, sk,
        new IvParameterSpec(Hex.decode("F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF")));

        for (int j = 0; j != plain.length; j++)
        {
            crypt = c.update(plain[j]);
            if (!areEqual(crypt, cipher[0][j]))
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("AES", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("Camellia", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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            AlgorithmParameters params;

            try
            {
                params = AlgorithmParameters.getInstance("DES", BouncyCastleProvider.PROVIDER_NAME);
                params.init(new IvParameterSpec(iv));
            }
            catch (Exception e)
            {
                throw new RuntimeException(e.getMessage());
            }
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