Package org.bouncycastle2.crypto.modes

Examples of org.bouncycastle2.crypto.modes.CBCBlockCipher

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        {
            throw new IllegalArgumentException(
                "Block size must be either 64 or 128 bits");
        }

        this.cipher = new CBCBlockCipher(cipher);
        this.macSize = macSizeInBits / 8;

        mac = new byte[cipher.getBlockSize()];

        buf = new byte[cipher.getBlockSize()];
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        if ((macSizeInBits % 8) != 0)
        {
            throw new IllegalArgumentException("MAC size must be multiple of 8");
        }

        this.cipher = new CBCBlockCipher(cipher);
        this.padding = padding;
        this.macSize = macSizeInBits / 8;

        mac = new byte[cipher.getBlockSize()];
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        if (!(cipher instanceof DESEngine))
        {
            throw new IllegalArgumentException("cipher must be instance of DESEngine");
        }

        this.cipher = new CBCBlockCipher(cipher);
        this.padding = padding;
        this.macSize = macSizeInBits / 8;

        mac = new byte[cipher.getBlockSize()];
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            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new CFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new CFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else
        {
            throw new IllegalArgumentException("can't support mode " + mode);
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        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
        else
        {
            throw new NoSuchPaddingException("Padding " + padding + " unknown.");
        }
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            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new OFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new OFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else if (modeName.startsWith("CFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
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    private AlgorithmParameters     engineParams = null;

    protected BrokenJCEBlockCipher(
        BlockCipher engine)
    {
        cipher = new PaddedBufferedBlockCipher(engine);
    }
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        int         pbeType,
        int         pbeHash,
        int         pbeKeySize,
        int         pbeIvSize)
    {
        cipher = new PaddedBufferedBlockCipher(engine);

        this.pbeType = pbeType;
        this.pbeHash = pbeHash;
        this.pbeKeySize = pbeKeySize;
        this.pbeIvSize = pbeIvSize;
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        String  modeName = Strings.toUpperCase(mode);

        if (modeName.equals("ECB"))
        {
            ivLength = 0;
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (modeName.equals("CBC"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            cipher = new PaddedBufferedBlockCipher(
                            new CBCBlockCipher(cipher.getUnderlyingCipher()));
        }
        else if (modeName.startsWith("OFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new OFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new OFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else if (modeName.startsWith("CFB"))
        {
            ivLength = cipher.getUnderlyingCipher().getBlockSize();
            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

                cipher = new PaddedBufferedBlockCipher(
                                new CFBBlockCipher(cipher.getUnderlyingCipher(), wordSize));
            }
            else
            {
                cipher = new PaddedBufferedBlockCipher(
                        new CFBBlockCipher(cipher.getUnderlyingCipher(), 8 * cipher.getBlockSize()));
            }
        }
        else
        {
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        {
            cipher = new BufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("PKCS5PADDING") || paddingName.equals("PKCS7PADDING") || paddingName.equals("ISO10126PADDING"))
        {
            cipher = new PaddedBufferedBlockCipher(cipher.getUnderlyingCipher());
        }
        else if (paddingName.equals("WITHCTS"))
        {
            cipher = new CTSBlockCipher(cipher.getUnderlyingCipher());
        }
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Related Classes of org.bouncycastle2.crypto.modes.CBCBlockCipher

  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters
  • org.bouncycastle2.asn1.DERObjectIdentifier
  • org.bouncycastle2.asn1.DEROctetString
  • org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure
  • org.bouncycastle2.asn1.x509.RSAPublicKeyStructure
  • org.bouncycastle2.bcpg.sig.PreferredAlgorithms
  • org.bouncycastle2.crypto.BufferedBlockCipher
  • org.bouncycastle2.crypto.CipherParameters
  • org.bouncycastle2.crypto.digests.SHA1Digest
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