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// AesCfb128Encryptor.h
// Declares the cAesCfb128Encryptor class encrypting data using AES CFB-128
#pragma once
#include "mbedtls/aes.h"
/** Encrypts data using the AES / CFB (128) algorithm */
class cAesCfb128Encryptor
{
public:
cAesCfb128Encryptor(void);
~cAesCfb128Encryptor();
/** Initializes the decryptor with the specified Key / IV */
void Init(const Byte a_Key[16], const Byte a_IV[16]);
/** Encrypts a_Length bytes of the plain data in-place; produces a_Length output bytes */
void ProcessData(std::byte * a_PlainIn, size_t a_Length);
/** Returns true if the object has been initialized with the Key / IV */
bool IsValid(void) const { return m_IsValid; }
protected:
mbedtls_aes_context m_Aes;
/** The InitialVector, used by the CFB mode encryption */
Byte m_IV[16];
/** Indicates whether the object has been initialized with the Key / IV */
bool m_IsValid;
};
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