kopia lustrzana https://github.com/weetmuts/wmbusmeters
45 wiersze
1.2 KiB
C
45 wiersze
1.2 KiB
C
// Source from https://github.com/kokke/tiny-AES128-C
|
|
// Public Domain / CC0 / Unlicense
|
|
// Copyright (C) 2017-2019 kokke (CC0-1.0)
|
|
#ifndef _AES_H_
|
|
#define _AES_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
// #define the macros below to 1/0 to enable/disable the mode of operation.
|
|
//
|
|
// CBC enables AES encryption in CBC-mode of operation.
|
|
// ECB enables the basic ECB 16-byte block algorithm. Both can be enabled simultaneously.
|
|
|
|
// The #ifndef-guard allows it to be configured before #include'ing or at compile time.
|
|
#ifndef CBC
|
|
#define CBC 1
|
|
#endif
|
|
|
|
#ifndef ECB
|
|
#define ECB 1
|
|
#endif
|
|
|
|
#define AES128 1
|
|
//#define AES192 1
|
|
//#define AES256 1
|
|
|
|
#if defined(ECB) && (ECB == 1)
|
|
|
|
void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length);
|
|
void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length);
|
|
|
|
#endif // #if defined(ECB) && (ECB == !)
|
|
|
|
|
|
#if defined(CBC) && (CBC == 1)
|
|
|
|
void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
|
|
void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
|
|
|
|
#endif // #if defined(CBC) && (CBC == 1)
|
|
|
|
|
|
#endif //_AES_H_
|