41 lines
1008 B
C
41 lines
1008 B
C
#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 AES128 encryption in CBC-mode of operation and handles 0-padding.
|
|
// 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
|
|
|
|
|
|
|
|
#if defined(ECB) && ECB
|
|
|
|
void AES128_ECB_encrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
|
|
void AES128_ECB_decrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
|
|
|
|
#endif // #if defined(ECB) && ECB
|
|
|
|
|
|
#if defined(CBC) && CBC
|
|
|
|
void AES128_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
|
|
void AES128_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
|
|
|
|
|
|
|
|
#endif //_AES_H_
|