1 | /* |
2 | * Copyright 2007-2018 The OpenSSL Project Authors. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
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 | |
10 | /* |
11 | * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved. |
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 OSSL_CRYPTO_SEED_LOCAL_H |
36 | # define OSSL_CRYPTO_SEED_LOCAL_H |
37 | |
38 | # include "openssl/e_os2.h" |
39 | # include <openssl/seed.h> |
40 | |
41 | # ifdef SEED_LONG /* need 32-bit type */ |
42 | typedef unsigned long seed_word; |
43 | # else |
44 | typedef unsigned int seed_word; |
45 | # endif |
46 | |
47 | |
48 | # define char2word(c, i) \ |
49 | (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3])) |
50 | |
51 | # define word2char(l, c) \ |
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 | |
57 | # define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \ |
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 | |
64 | # define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \ |
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 | |
71 | # define KEYUPDATE_TEMP(T0, T1, K) \ |
72 | (K)[0] = G_FUNC((T0)); \ |
73 | (K)[1] = G_FUNC((T1)) |
74 | |
75 | # define XOR_SEEDBLOCK(DST, SRC) \ |
76 | ((DST))[0] ^= ((SRC))[0]; \ |
77 | ((DST))[1] ^= ((SRC))[1]; \ |
78 | ((DST))[2] ^= ((SRC))[2]; \ |
79 | ((DST))[3] ^= ((SRC))[3] |
80 | |
81 | # define MOV_SEEDBLOCK(DST, SRC) \ |
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 | |
112 | #endif /* OSSL_CRYPTO_SEED_LOCAL_H */ |
113 | |