00001 #ifndef CRYPTOPP_CBC_H
00002 #define CRYPTOPP_CBC_H
00003
00007 #include "filters.h"
00008 #include "modes.h"
00009
00010 NAMESPACE_BEGIN(CryptoPP)
00011
00013
00016 class CBCRawEncryptor : protected CipherMode, public FilterWithBufferedInput
00017 {
00018 public:
00019 CBCRawEncryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00020
00021 protected:
00022 void FirstPut(const byte *) {}
00023 void NextPut(const byte *inString, unsigned int length);
00024 void LastPut(const byte *inString, unsigned int length);
00025 };
00026
00028
00031 class CBCRawDecryptor : protected CipherMode, public FilterWithBufferedInput
00032 {
00033 public:
00034 CBCRawDecryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00035
00036 protected:
00037 void FirstPut(const byte *) {}
00038 void NextPut(const byte *inString, unsigned int length);
00039 void LastPut(const byte *inString, unsigned int length);
00040 };
00041
00043
00045 class CBCPaddedEncryptor : protected CipherMode, public FilterWithBufferedInput
00046 {
00047 public:
00048 CBCPaddedEncryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00049
00050 protected:
00051 void FirstPut(const byte *) {}
00052 void NextPut(const byte *inString, unsigned int length);
00053 void LastPut(const byte *inString, unsigned int length);
00054 };
00055
00057
00059 class CBCPaddedDecryptor : protected CipherMode, public FilterWithBufferedInput
00060 {
00061 public:
00062 CBCPaddedDecryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00063
00064 protected:
00065 void FirstPut(const byte *) {}
00066 void NextPut(const byte *inString, unsigned int length);
00067 void LastPut(const byte *inString, unsigned int length);
00068 };
00069
00071
00075 class CBC_CTS_Encryptor : protected CipherMode, public FilterWithBufferedInput
00076 {
00077 public:
00082 CBC_CTS_Encryptor(const BlockTransformation &cipher, byte *IV, BufferedTransformation *outQueue, bool stealIV);
00083 CBC_CTS_Encryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00084
00085 protected:
00086 void FirstPut(const byte *inString);
00087 void NextPut(const byte *inString, unsigned int length);
00088 void LastPut(const byte *inString, unsigned int length);
00089
00090 byte *m_iv;
00091 };
00092
00094
00098 class CBC_CTS_Decryptor : protected CipherMode, public FilterWithBufferedInput
00099 {
00100 public:
00101 CBC_CTS_Decryptor(const BlockTransformation &cipher, const byte *IV, BufferedTransformation *outQueue = NULL);
00102
00103 protected:
00104 void FirstPut(const byte *inString) {}
00105 void NextPut(const byte *inString, unsigned int length);
00106 void LastPut(const byte *inString, unsigned int length);
00107 };
00108
00109 NAMESPACE_END
00110
00111 #endif
