1 | /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */ |
2 | /* ==================================================================== |
3 | * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in |
14 | * the documentation and/or other materials provided with the |
15 | * distribution. |
16 | * |
17 | * 3. All advertising materials mentioning features or use of this |
18 | * software must display the following acknowledgment: |
19 | * "This product includes software developed by the OpenSSL Project |
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
21 | * |
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
23 | * endorse or promote products derived from this software without |
24 | * prior written permission. For written permission, please contact |
25 | * openssl-core@openssl.org. |
26 | * |
27 | * 5. Products derived from this software may not be called "OpenSSL" |
28 | * nor may "OpenSSL" appear in their names without prior written |
29 | * permission of the OpenSSL Project. |
30 | * |
31 | * 6. Redistributions of any form whatsoever must retain the following |
32 | * acknowledgment: |
33 | * "This product includes software developed by the OpenSSL Project |
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
35 | * |
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
48 | * ==================================================================== |
49 | * |
50 | */ |
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(_M_IX86) || defined(_M_AMD64) || defined(_M_X64)) |
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 | #ifdef AES_LONG |
75 | typedef unsigned long u32; |
76 | #else |
77 | typedef unsigned int u32; |
78 | #endif |
79 | typedef unsigned short u16; |
80 | typedef unsigned char u8; |
81 | |
82 | #define MAXKC (256/32) |
83 | #define MAXKB (256/8) |
84 | #define MAXNR 14 |
85 | |
86 | /* This controls loop-unrolling in aes_core.c */ |
87 | #undef FULL_UNROLL |
88 | |
89 | #endif /* !HEADER_AES_LOCL_H */ |
90 | |