1/* ====================================================================
2 * Copyright (c) 2002-2006 The OpenSSL Project.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in
13 *    the documentation and/or other materials provided with the
14 *    distribution.
15 *
16 * 3. All advertising materials mentioning features or use of this
17 *    software must display the following acknowledgment:
18 *    "This product includes software developed by the OpenSSL Project
19 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
20 *
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 *    endorse or promote products derived from this software without
23 *    prior written permission. For written permission, please contact
24 *    openssl-core@openssl.org.
25 *
26 * 5. Products derived from this software may not be called "OpenSSL"
27 *    nor may "OpenSSL" appear in their names without prior written
28 *    permission of the OpenSSL Project.
29 *
30 * 6. Redistributions of any form whatsoever must retain the following
31 *    acknowledgment:
32 *    "This product includes software developed by the OpenSSL Project
33 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ==================================================================== */
48
49#ifndef OPENSSL_HEADER_AES_INTERNAL_H
50#define OPENSSL_HEADER_AES_INTERNAL_H
51
52#include <openssl/base.h>
53
54#if defined(__cplusplus)
55extern "C" {
56#endif
57
58
59#if defined(_MSC_VER) && \
60    (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
61#define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
62#define GETU32(p) SWAP(*((uint32_t *)(p)))
63#define PUTU32(ct, st) \
64  { *((uint32_t *)(ct)) = SWAP((st)); }
65#else
66#define GETU32(pt)                                         \
67  (((uint32_t)(pt)[0] << 24) ^ ((uint32_t)(pt)[1] << 16) ^ \
68   ((uint32_t)(pt)[2] << 8) ^ ((uint32_t)(pt)[3]))
69#define PUTU32(ct, st)          \
70  {                             \
71    (ct)[0] = (uint8_t)((st) >> 24); \
72    (ct)[1] = (uint8_t)((st) >> 16); \
73    (ct)[2] = (uint8_t)((st) >> 8);  \
74    (ct)[3] = (uint8_t)(st);         \
75  }
76#endif
77
78#define MAXKC (256 / 32)
79#define MAXKB (256 / 8)
80#define MAXNR 14
81
82
83#if defined(__cplusplus)
84} /* extern C */
85#endif
86
87#endif /* OPENSSL_HEADER_AES_INTERNAL_H */
88