crypto/openssl-0.9.7d/crypto/aes/aes_locl.h

   1 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
   2 /* ====================================================================
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  10  *    notice, this list of conditions and the following disclaimer.
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  51
  52 #ifndef HEADER_AES_LOCL_H
  53 #define HEADER_AES_LOCL_H
  54
  55 #include <openssl/e_os2.h>
  56
  57 #ifdef OPENSSL_NO_AES
  58 #error AES is disabled.
  59 #endif
  60
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64
  65 #if defined(_MSC_VER) && !defined(OPENSSL_SYS_WINCE)
  66 # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  67 # define GETU32(p) SWAP(*((u32 *)(p)))
  68 # define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
  69 #else
  70 # define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
  71 # define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
  72 #endif
  73
  74 typedef unsigned long u32;
  75 typedef unsigned short u16;
  76 typedef unsigned char u8;
  77
  78 #define MAXKC   (256/32)
  79 #define MAXKB   (256/8)
  80 #define MAXNR   14
  81
  82 /* This controls loop-unrolling in aes_core.c */
  83 #undef FULL_UNROLL
  84
  85 #endif /* !HEADER_AES_LOCL_H */