src/crypto/aes-encblock.c

   1 /*
   2  * AES encrypt_block
   3  *
   4  * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Alternatively, this software may be distributed under the terms of BSD
  11  * license.
  12  *
  13  * See README and COPYING for more details.
  14  */
  15
  16 #include "includes.h"
  17
  18 #include "common.h"
  19 #include "aes.h"
  20 #include "aes_wrap.h"
  21
  22 /**
  23  * aes_128_encrypt_block - Perform one AES 128-bit block operation
  24  * @key: Key for AES
  25  * @in: Input data (16 bytes)
  26  * @out: Output of the AES block operation (16 bytes)
  27  * Returns: 0 on success, -1 on failure
  28  */
  29 int aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out)
  30 {
  31         void *ctx;
  32         ctx = aes_encrypt_init(key, 16);
  33         if (ctx == NULL)
  34                 return -1;
  35         aes_encrypt(ctx, in, out);
  36         aes_encrypt_deinit(ctx);
  37         return 0;
  38 }