cmac.h

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Copyright (C) 2009 Lander Casado, Philippas Tsigas
Copyright (C) 2018 Archos S.A.

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#ifndef _CMAC_H_
#define _CMAC_H_

#define AES_CMAC_KEY_LENGTH 16
#define AES_CMAC_DIGEST_LENGTH 16

typedef struct _AES_CMAC_CTX {
    uint8_t X[16];
    uint8_t M_last[16];
    uint32_t M_n;
} AES_CMAC_CTX;

//#include <sys/cdefs.h>

//__BEGIN_DECLS
void AES_CMAC_Init(AES_CMAC_CTX *ctx);
void AES_CMAC_SetKey(AES_CMAC_CTX *ctx, const uint8_t key[AES_CMAC_KEY_LENGTH]);
void AES_CMAC_Update(AES_CMAC_CTX *ctx, const uint8_t *data, uint32_t len);
//          __attribute__((__bounded__(__string__,2,3)));
void AES_CMAC_Final(uint8_t digest[AES_CMAC_DIGEST_LENGTH], AES_CMAC_CTX *ctx);
//     __attribute__((__bounded__(__minbytes__,1,AES_CMAC_DIGEST_LENGTH)));
//__END_DECLS

#endif /* _CMAC_H_ */