aes.hpp

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#pragma once
 
#include <fc/crypto/sha512.hpp>
#include <fc/crypto/sha256.hpp>
#include <fc/fwd.hpp>
#include <fc/uint128.hpp>
 
#include <vector>
 
namespace fc {
    class path;
 
    class aes_encoder
    {
       public:
         aes_encoder();
         ~aes_encoder();
     
         void init( const fc::sha256& key, const uint128_t& init_value );
         uint32_t encode( const char* plaintxt, uint32_t len, char* ciphertxt );
 
       private:
         struct      impl;
         fc::fwd<impl,96> my;
    };
    class aes_decoder
    {
       public:
         aes_decoder();
         ~aes_decoder();
     
         void     init( const fc::sha256& key, const uint128_t& init_value );
         uint32_t decode( const char* ciphertxt, uint32_t len, char* plaintext );
 
       private:
         struct      impl;
         fc::fwd<impl,96> my;
    };
 
    unsigned aes_encrypt(unsigned char *plaintext, int plaintext_len, unsigned char *key,
                         unsigned char *iv, unsigned char *ciphertext);
    unsigned aes_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key,
                         unsigned char *iv, unsigned char *plaintext);
    unsigned aes_cfb_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned char *key,
                             unsigned char *iv, unsigned char *plaintext);
 
    std::vector<char> aes_encrypt( const fc::sha512& key, const std::vector<char>& plain_text  );
    std::vector<char> aes_decrypt( const fc::sha512& key, const std::vector<char>& cipher_text );
 
    void              aes_save( const fc::path& file, const fc::sha512& key, std::vector<char> plain_text );
 
    std::vector<char> aes_load( const fc::path& file, const fc::sha512& key );
 
} // namespace fc