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- #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_
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