Package org.bouncycastle.crypto.modes

Examples of org.bouncycastle.crypto.modes.CBCBlockCipher


    static public class BrokePBEWithSHA1AndDES
        extends BrokenJCEBlockCipher
    {
        public BrokePBEWithSHA1AndDES()
        {
            super(new CBCBlockCipher(new DESEngine()), PKCS5S1, SHA1, 64, 64);
        }
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    static public class BrokePBEWithSHAAndDES3Key
        extends BrokenJCEBlockCipher
    {
        public BrokePBEWithSHAAndDES3Key()
        {
            super(new CBCBlockCipher(new DESedeEngine()), PKCS12, SHA1, 192, 64);
        }
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    static public class OldPBEWithSHAAndDES3Key
        extends BrokenJCEBlockCipher
    {
        public OldPBEWithSHAAndDES3Key()
        {
            super(new CBCBlockCipher(new DESedeEngine()), OLD_PKCS12, SHA1, 192, 64);
        }
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    static public class BrokePBEWithSHAAndDES2Key
        extends BrokenJCEBlockCipher
    {
        public BrokePBEWithSHAAndDES2Key()
        {
            super(new CBCBlockCipher(new DESedeEngine()), PKCS12, SHA1, 128, 64);
        }
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    static public class OldPBEWithSHAAndTwofish
        extends BrokenJCEBlockCipher
    {
        public OldPBEWithSHAAndTwofish()
        {
            super(new CBCBlockCipher(new TwofishEngine()), OLD_PKCS12, SHA1, 256, 128);
        }
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        }
        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)
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    static public class BrokePBEWithMD5AndDES
        extends BrokenJCEBlockCipher
    {
        public BrokePBEWithMD5AndDES()
        {
            super(new CBCBlockCipher(new DESEngine()), PKCS5S1, MD5, 64, 64);
        }
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    public static class CBC
       extends BaseBlockCipher
    {
        public CBC()
        {
            super(new CBCBlockCipher(new SEEDEngine()), 128);
        }
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        }
        else if (modeName.equals("CBC"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(
                            new CBCBlockCipher(baseEngine));
        }
        else if (modeName.startsWith("OFB"))
        {
            ivLength = baseEngine.getBlockSize();
            if (modeName.length() != 3)
            {
                int wordSize = Integer.parseInt(modeName.substring(3));

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

                cipher = new BufferedGenericBlockCipher(
                                new CFBBlockCipher(baseEngine, wordSize));
            }
            else
            {
                cipher = new BufferedGenericBlockCipher(
                        new CFBBlockCipher(baseEngine, 8 * baseEngine.getBlockSize()));
            }
        }
        else if (modeName.startsWith("PGP"))
        {
            boolean inlineIV = modeName.equalsIgnoreCase("PGPCFBwithIV");

            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(
                new PGPCFBBlockCipher(baseEngine, inlineIV));
        }
        else if (modeName.equalsIgnoreCase("OpenPGPCFB"))
        {
            ivLength = 0;
            cipher = new BufferedGenericBlockCipher(
                new OpenPGPCFBBlockCipher(baseEngine));
        }
        else if (modeName.startsWith("SIC"))
        {
            ivLength = baseEngine.getBlockSize();
            if (ivLength < 16)
            {
                throw new IllegalArgumentException("Warning: SIC-Mode can become a twotime-pad if the blocksize of the cipher is too small. Use a cipher with a block size of at least 128 bits (e.g. AES)");
            }
            cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(
                        new SICBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CTR"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(
                        new SICBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("GOFB"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new BufferedBlockCipher(
                        new GOFBBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CTS"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new BufferedGenericBlockCipher(new CTSBlockCipher(new CBCBlockCipher(baseEngine)));
        }
        else if (modeName.startsWith("CCM"))
        {
            ivLength = baseEngine.getBlockSize();
            cipher = new AEADGenericBlockCipher(new CCMBlockCipher(baseEngine));
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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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Related Classes of org.bouncycastle.crypto.modes.CBCBlockCipher

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