/*
    AES functions
    Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>

    This software may be distributed under the terms of the BSD license.
    See README for more details.
*/

#ifndef AES_H
#define AES_H

#include <stdint.h>
#include <stdlib.h>

typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;

#define AES_BLOCK_SIZE 16

void* aes_encrypt_init(const u8* key, size_t len);
void aes_encrypt(void* ctx, const u8* plain, u8* crypt);
void aes_encrypt_deinit(void* ctx);
void* aes_decrypt_init(const u8* key, size_t len);
void aes_decrypt(void* ctx, const u8* crypt, u8* plain);
void aes_decrypt_deinit(void* ctx);

int aes_ccm_ae(const u8* key, size_t key_len, const u8* nonce,
               size_t M, const u8* plain, size_t plain_len,
               const u8* aad, size_t aad_len, u8* crypt, u8* auth);
int aes_ccm_ad(const u8* key, size_t key_len, const u8* nonce,
               size_t M, const u8* crypt, size_t crypt_len,
               const u8* aad, size_t aad_len, const u8* auth, u8* plain);

#endif /* AES_H */

