openssl/crypto/aes/aes_locl.h

/* ====================================================================
 * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
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 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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 */

#ifndef HEADER_AES_LOCL_H
# define HEADER_AES_LOCL_H

# include <openssl/e_os2.h>

# ifdef OPENSSL_NO_AES
#  error AES is disabled.
# endif

# include <stdio.h>
# include <stdlib.h>
# include <string.h>

# if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
#  define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
#  define GETU32(p) SWAP(*((u32 *)(p)))
#  define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
# else
#  define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
#  define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
# endif

# ifdef AES_LONG
typedef unsigned long u32;
# else
typedef unsigned int u32;
# endif
typedef unsigned short u16;
typedef unsigned char u8;

# define MAXKC   (256/32)
# define MAXKB   (256/8)
# define MAXNR   14

/* This controls loop-unrolling in aes_core.c */
# undef FULL_UNROLL

#endif                          /* !HEADER_AES_LOCL_H */