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b1322259 | 1 | /* |
1212818e | 2 | * Copyright 2007-2018 The OpenSSL Project Authors. All Rights Reserved. |
b1322259 | 3 | * |
39c44eee | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | ||
96afc1cf | 10 | /* |
0f113f3e | 11 | * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved. |
96afc1cf BM |
12 | * |
13 | * Redistribution and use in source and binary forms, with or without | |
14 | * modification, are permitted provided that the following conditions | |
15 | * are met: | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Neither the name of author nor the names of its contributors may | |
19 | * be used to endorse or promote products derived from this software | |
20 | * without specific prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | |
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
33 | * | |
34 | */ | |
35 | #ifndef HEADER_SEED_LOCL_H | |
0f113f3e | 36 | # define HEADER_SEED_LOCL_H |
96afc1cf | 37 | |
0f113f3e MC |
38 | # include "openssl/e_os2.h" |
39 | # include <openssl/seed.h> | |
96afc1cf | 40 | |
0f113f3e | 41 | # ifdef SEED_LONG /* need 32-bit type */ |
96afc1cf | 42 | typedef unsigned long seed_word; |
0f113f3e | 43 | # else |
96afc1cf | 44 | typedef unsigned int seed_word; |
0f113f3e | 45 | # endif |
96afc1cf BM |
46 | |
47 | ||
0f113f3e | 48 | # define char2word(c, i) \ |
96afc1cf BM |
49 | (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3])) |
50 | ||
0f113f3e | 51 | # define word2char(l, c) \ |
96afc1cf BM |
52 | *((c)+0) = (unsigned char)((l)>>24) & 0xff; \ |
53 | *((c)+1) = (unsigned char)((l)>>16) & 0xff; \ | |
54 | *((c)+2) = (unsigned char)((l)>> 8) & 0xff; \ | |
55 | *((c)+3) = (unsigned char)((l)) & 0xff | |
56 | ||
0f113f3e | 57 | # define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \ |
96afc1cf BM |
58 | (T0) = (X3); \ |
59 | (X3) = (((X3)<<8) ^ ((X4)>>24)) & 0xffffffff; \ | |
60 | (X4) = (((X4)<<8) ^ ((T0)>>24)) & 0xffffffff; \ | |
61 | (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ | |
62 | (T1) = ((X2) + (KC) - (X4)) & 0xffffffff | |
63 | ||
0f113f3e | 64 | # define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \ |
96afc1cf BM |
65 | (T0) = (X1); \ |
66 | (X1) = (((X1)>>8) ^ ((X2)<<24)) & 0xffffffff; \ | |
67 | (X2) = (((X2)>>8) ^ ((T0)<<24)) & 0xffffffff; \ | |
68 | (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ | |
69 | (T1) = ((X2) + (KC) - (X4)) & 0xffffffff | |
70 | ||
0f113f3e | 71 | # define KEYUPDATE_TEMP(T0, T1, K) \ |
96afc1cf BM |
72 | (K)[0] = G_FUNC((T0)); \ |
73 | (K)[1] = G_FUNC((T1)) | |
74 | ||
0f113f3e | 75 | # define XOR_SEEDBLOCK(DST, SRC) \ |
96afc1cf BM |
76 | ((DST))[0] ^= ((SRC))[0]; \ |
77 | ((DST))[1] ^= ((SRC))[1]; \ | |
78 | ((DST))[2] ^= ((SRC))[2]; \ | |
79 | ((DST))[3] ^= ((SRC))[3] | |
80 | ||
0f113f3e | 81 | # define MOV_SEEDBLOCK(DST, SRC) \ |
96afc1cf BM |
82 | ((DST))[0] = ((SRC))[0]; \ |
83 | ((DST))[1] = ((SRC))[1]; \ | |
84 | ((DST))[2] = ((SRC))[2]; \ | |
85 | ((DST))[3] = ((SRC))[3] | |
86 | ||
87 | # define CHAR2WORD(C, I) \ | |
88 | char2word((C), (I)[0]); \ | |
89 | char2word((C+4), (I)[1]); \ | |
90 | char2word((C+8), (I)[2]); \ | |
91 | char2word((C+12), (I)[3]) | |
92 | ||
93 | # define WORD2CHAR(I, C) \ | |
94 | word2char((I)[0], (C)); \ | |
95 | word2char((I)[1], (C+4)); \ | |
96 | word2char((I)[2], (C+8)); \ | |
97 | word2char((I)[3], (C+12)) | |
98 | ||
99 | # define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \ | |
100 | (T0) = (X3) ^ (ks->data)[(rbase)]; \ | |
101 | (T1) = (X4) ^ (ks->data)[(rbase)+1]; \ | |
102 | (T1) ^= (T0); \ | |
103 | (T1) = G_FUNC((T1)); \ | |
104 | (T0) = ((T0) + (T1)) & 0xffffffff; \ | |
105 | (T0) = G_FUNC((T0)); \ | |
106 | (T1) = ((T1) + (T0)) & 0xffffffff; \ | |
107 | (T1) = G_FUNC((T1)); \ | |
108 | (T0) = ((T0) + (T1)) & 0xffffffff; \ | |
109 | (X1) ^= (T0); \ | |
110 | (X2) ^= (T1) | |
111 | ||
0f113f3e | 112 | #endif /* HEADER_SEED_LOCL_H */ |