crypto/aes/aes_locl.h

   1 /*
   2  * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef HEADER_AES_LOCL_H
  11 # define HEADER_AES_LOCL_H
  12
  13 # include <openssl/e_os2.h>
  14 # include <stdio.h>
  15 # include <stdlib.h>
  16 # include <string.h>
  17
  18 # if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
  19 #  define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  20 #  define GETU32(p) SWAP(*((u32 *)(p)))
  21 #  define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
  22 # else
  23 #  define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
  24 #  define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
  25 # endif
  26
  27 # ifdef AES_LONG
  28 typedef unsigned long u32;
  29 # else
  30 typedef unsigned int u32;
  31 # endif
  32 typedef unsigned short u16;
  33 typedef unsigned char u8;
  34
  35 # define MAXKC   (256/32)
  36 # define MAXKB   (256/8)
  37 # define MAXNR   14
  38
  39 /* This controls loop-unrolling in aes_core.c */
  40 # undef FULL_UNROLL
  41
  42 #endif                          /* !HEADER_AES_LOCL_H */