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