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CBC_CTS_Encryptor Class Reference

CBC/CTS mode with ciphertext stealing. More...

#include <cbc.h>

Inheritance diagram for CBC_CTS_Encryptor:

List of all members.

Public Methods
	CBC_CTS_Encryptor (const BlockTransformation &cipher,byte *IV,BufferedTransformation *outQueue,bool stealIV)
	CBC_CTS_Encryptor (const BlockTransformation &cipher,const byte *IV,BufferedTransformation *outQueue=NULL)
Protected Methods
void	FirstPut (const byte *inString)
void	NextPut (const byte *inString,unsigned int length)
void	LastPut (const byte *inString,unsigned int length)
Protected Attributes
byte*	m_iv

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Detailed Description

CBC/CTS mode with ciphertext stealing.

Compatible with RFC 2040. Ciphertext stealing requires at least cipher.BlockSize()+1 bytes of plaintext. Shorter plaintext will be padded with '\0's unless IV stealing is specified.

Definition at line 75 of file cbc.h.

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Constructor & Destructor Documentation

CBC_CTS_Encryptor::CBC_CTS_Encryptor ( const BlockTransformation & cipher, byte * IV, BufferedTransformation * outQueue, bool stealIV )

If stealIV == true and length of plaintext < cipher.BlockSize()+1, IV will be modified, and the modified IV must be used for decryption. If stealIV == false or using the second constructor, shorter plaintexts will be padded with '\0's. Definition at line 99 of file cbc.cpp.

CBC_CTS_Encryptor::CBC_CTS_Encryptor ( const BlockTransformation & cipher, const byte * IV, BufferedTransformation * outQueue = NULL )

Definition at line 104 of file cbc.cpp.

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Member Function Documentation

void CBC_CTS_Encryptor::FirstPut ( const byte * inString ) [protected, virtual]

Reimplemented from FilterWithBufferedInput. Definition at line 109 of file cbc.cpp.

void CBC_CTS_Encryptor::LastPut ( const byte * inString, unsigned int length ) [protected, virtual]

Reimplemented from FilterWithBufferedInput. Definition at line 122 of file cbc.cpp.

void CBC_CTS_Encryptor::NextPut ( const byte * inString, unsigned int length ) [protected, virtual]

Reimplemented from FilterWithBufferedInput. Definition at line 115 of file cbc.cpp.

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Member Data Documentation

byte * CBC_CTS_Encryptor::m_iv [protected]

Definition at line 90 of file cbc.h.

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The documentation for this class was generated from the following files:

• cbc.h
• cbc.cpp

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