ble-light/components/ethermind/external/crypto/aes/aes.c

/**
 *  \file aes.c
 *
 *  AES Interface file for the Open AES-CCM block.
 *
 */

/*
 *  Copyright (C) 2013. Mindtree Limited.
 *  All rights reserved.
 */

/* --------------------------------------------- Header File Inclusion */
#include "aes.h"
#include "cry.h"

/* --------------------------------------------- External Global Variables */

/* --------------------------------------------- Exported Global Variables */

/* --------------------------------------------- Static Global Variables */

/* --------------------------------------------- Functions */

void * aes_encrypt_init(const u8 *key, size_t len)
{
    u8 *ctx;
	
    ctx = EM_alloc_mem (len);
    if (NULL != ctx)
    {
        memcpy (ctx, key, len);
    }

    return (void *)ctx;
}

void aes_encrypt(void *ctx, const u8 *plain, u8 *crypt)
{
    INT32 ret;
    cry_aes_128_encrypt_be ((UCHAR *)plain, (UCHAR *)ctx, (UCHAR *)crypt, ret);
    
    VOID ret;    // resolve warning
}

void aes_encrypt_deinit(void *ctx)
{
    EM_free_mem (ctx);
}