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Diffstat (limited to 'botan/src/modes/cts/cts.h')
-rw-r--r-- | botan/src/modes/cts/cts.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/botan/src/modes/cts/cts.h b/botan/src/modes/cts/cts.h new file mode 100644 index 0000000..9b17203 --- /dev/null +++ b/botan/src/modes/cts/cts.h @@ -0,0 +1,60 @@ +/* +* CTS Mode +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_CTS_H__ +#define BOTAN_CTS_H__ + +#include <botan/modebase.h> +#include <botan/block_cipher.h> + +namespace Botan { + +/* +* CTS Encryption +*/ +class BOTAN_DLL CTS_Encryption : public BlockCipherMode + { + public: + CTS_Encryption(BlockCipher* ciph) : + BlockCipherMode(ciph, "CTS", ciph->BLOCK_SIZE, 0, 2) {} + + CTS_Encryption(BlockCipher* ciph, + const SymmetricKey& key, + const InitializationVector& iv) : + BlockCipherMode(ciph, "CTS", ciph->BLOCK_SIZE, 0, 2) + { set_key(key); set_iv(iv); } + private: + void write(const byte[], u32bit); + void end_msg(); + void encrypt(const byte[]); + }; + +/* +* CTS Decryption +*/ +class BOTAN_DLL CTS_Decryption : public BlockCipherMode + { + public: + CTS_Decryption(BlockCipher* ciph) : + BlockCipherMode(ciph, "CTS", ciph->BLOCK_SIZE, 0, 2) + { temp.create(BLOCK_SIZE); } + + CTS_Decryption(BlockCipher* ciph, + const SymmetricKey& key, + const InitializationVector& iv) : + BlockCipherMode(ciph, "CTS", ciph->BLOCK_SIZE, 0, 2) + { set_key(key); set_iv(iv); temp.create(BLOCK_SIZE); } + private: + void write(const byte[], u32bit); + void end_msg(); + void decrypt(const byte[]); + SecureVector<byte> temp; + }; + +} + +#endif |