blob: 9c5d786c1f798cfdd773749dc4951660fdf1e44c (
plain) (
tree)
|
|
#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
#define AES128
#if defined(ECB) && ECB
void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t *output);
void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output);
#endif // #if defined(ECB) && ECB
#if defined(CBC) && CBC
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
#endif //_AES_H_
|