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       1                 :            : /* crypto/aes/aes_wrap.c */
       2                 :            : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
       3                 :            :  * project.
       4                 :            :  */
       5                 :            : /* ====================================================================
       6                 :            :  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
       7                 :            :  *
       8                 :            :  * Redistribution and use in source and binary forms, with or without
       9                 :            :  * modification, are permitted provided that the following conditions
      10                 :            :  * are met:
      11                 :            :  *
      12                 :            :  * 1. Redistributions of source code must retain the above copyright
      13                 :            :  *    notice, this list of conditions and the following disclaimer. 
      14                 :            :  *
      15                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      16                 :            :  *    notice, this list of conditions and the following disclaimer in
      17                 :            :  *    the documentation and/or other materials provided with the
      18                 :            :  *    distribution.
      19                 :            :  *
      20                 :            :  * 3. All advertising materials mentioning features or use of this
      21                 :            :  *    software must display the following acknowledgment:
      22                 :            :  *    "This product includes software developed by the OpenSSL Project
      23                 :            :  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
      24                 :            :  *
      25                 :            :  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
      26                 :            :  *    endorse or promote products derived from this software without
      27                 :            :  *    prior written permission. For written permission, please contact
      28                 :            :  *    licensing@OpenSSL.org.
      29                 :            :  *
      30                 :            :  * 5. Products derived from this software may not be called "OpenSSL"
      31                 :            :  *    nor may "OpenSSL" appear in their names without prior written
      32                 :            :  *    permission of the OpenSSL Project.
      33                 :            :  *
      34                 :            :  * 6. Redistributions of any form whatsoever must retain the following
      35                 :            :  *    acknowledgment:
      36                 :            :  *    "This product includes software developed by the OpenSSL Project
      37                 :            :  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
      38                 :            :  *
      39                 :            :  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
      40                 :            :  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      41                 :            :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
      42                 :            :  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
      43                 :            :  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      44                 :            :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      45                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      46                 :            :  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      47                 :            :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      48                 :            :  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      49                 :            :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
      50                 :            :  * OF THE POSSIBILITY OF SUCH DAMAGE.
      51                 :            :  * ====================================================================
      52                 :            :  */
      53                 :            : 
      54                 :            : #include "cryptlib.h"
      55                 :            : #include <openssl/aes.h>
      56                 :            : #include <openssl/modes.h>
      57                 :            : 
      58                 :          2 : int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
      59                 :            :                 unsigned char *out,
      60                 :            :                 const unsigned char *in, unsigned int inlen)
      61                 :            :         {
      62                 :          2 :         return CRYPTO_128_wrap(key, iv, out, in, inlen, (block128_f)AES_encrypt);
      63                 :            :         }
      64                 :            : 
      65                 :          2 : int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
      66                 :            :                 unsigned char *out,
      67                 :            :                 const unsigned char *in, unsigned int inlen)
      68                 :            :         {
      69                 :          2 :         return CRYPTO_128_unwrap(key, iv, out, in, inlen, (block128_f)AES_decrypt);
      70                 :            :         }