AesCfb128Decryptor.h

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// AesCfb128Decryptor.h
 
// Declares the cAesCfb128Decryptor class decrypting data using AES CFB-128
 
 
 
 
 
#pragma once
 
#if PLATFORM_CRYPTOGRAPHY && defined(_WIN32)
#include <wincrypt.h>
#else
#include "mbedtls/aes.h"
#endif
 
 
 
 
 
class cAesCfb128Decryptor
{
public:
 
    cAesCfb128Decryptor(void);
    ~cAesCfb128Decryptor();
 
    void Init(const Byte a_Key[16], const Byte a_IV[16]);
 
    void ProcessData(std::byte * a_EncryptedIn, size_t a_Length);
 
    bool IsValid(void) const { return m_IsValid; }
 
protected:
 
#if PLATFORM_CRYPTOGRAPHY && defined(_WIN32)
    HCRYPTPROV m_Aes;
    HCRYPTKEY m_Key;
#else
    mbedtls_aes_context m_Aes;
#endif
 
    Byte m_IV[16];
 
    bool m_IsValid;
} ;