crypto/external/bsd/heimdal/dist/lib/hcrypto/aes.h

   1 /*      $NetBSD: aes.h,v 1.1.1.2 2011/04/14 14:08:30 elric Exp $        */
   2
   3 /*
   4  * Copyright (c) 2003-2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * 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 the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 /* Id */
  37
  38 #ifndef HEIM_AES_H
  39 #define HEIM_AES_H 1
  40
  41 /* symbol renaming */
  42 #define AES_set_encrypt_key hc_AES_set_encrypt_key
  43 #define AES_set_decrypt_key hc_AES_decrypt_key
  44 #define AES_encrypt hc_AES_encrypt
  45 #define AES_decrypt hc_AES_decrypt
  46 #define AES_cbc_encrypt hc_AES_cbc_encrypt
  47 #define AES_cfb8_encrypt hc_AES_cfb8_encrypt
  48
  49 /*
  50  *
  51  */
  52
  53 #define AES_BLOCK_SIZE 16
  54 #define AES_MAXNR 14
  55
  56 #define AES_ENCRYPT 1
  57 #define AES_DECRYPT 0
  58
  59 typedef struct aes_key {
  60     uint32_t key[(AES_MAXNR+1)*4];
  61     int rounds;
  62 } AES_KEY;
  63
  64 #ifdef __cplusplus
  65 extern "C" {
  66 #endif
  67
  68 int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
  69 int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
  70
  71 void AES_encrypt(const unsigned char *, unsigned char *, const AES_KEY *);
  72 void AES_decrypt(const unsigned char *, unsigned char *, const AES_KEY *);
  73
  74 void AES_cbc_encrypt(const unsigned char *, unsigned char *,
  75                      unsigned long, const AES_KEY *,
  76                      unsigned char *, int);
  77 void AES_cfb8_encrypt(const unsigned char *, unsigned char *,
  78                       unsigned long, const AES_KEY *,
  79                       unsigned char *, int);
  80
  81 #ifdef  __cplusplus
  82 }
  83 #endif
  84
  85 #endif /* HEIM_AES_H */