1183234Ssimon/* 2296465Sdelphij * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved. 3183234Ssimon * 4183234Ssimon * Redistribution and use in source and binary forms, with or without 5183234Ssimon * modification, are permitted provided that the following conditions 6183234Ssimon * are met: 7183234Ssimon * 1. Redistributions of source code must retain the above copyright 8183234Ssimon * notice, this list of conditions and the following disclaimer. 9183234Ssimon * 2. Neither the name of author nor the names of its contributors may 10183234Ssimon * be used to endorse or promote products derived from this software 11183234Ssimon * without specific prior written permission. 12183234Ssimon * 13183234Ssimon * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14183234Ssimon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15183234Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16183234Ssimon * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17183234Ssimon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18183234Ssimon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19183234Ssimon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20183234Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21183234Ssimon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22183234Ssimon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23183234Ssimon * SUCH DAMAGE. 24183234Ssimon * 25183234Ssimon */ 26183234Ssimon#ifndef HEADER_SEED_LOCL_H 27296465Sdelphij# define HEADER_SEED_LOCL_H 28183234Ssimon 29296465Sdelphij# include "openssl/e_os2.h" 30296465Sdelphij# include <openssl/seed.h> 31183234Ssimon 32296465Sdelphij# ifdef SEED_LONG /* need 32-bit type */ 33183234Ssimontypedef unsigned long seed_word; 34296465Sdelphij# else 35183234Ssimontypedef unsigned int seed_word; 36296465Sdelphij# endif 37183234Ssimon 38183234Ssimon 39183234Ssimon#ifdef __cplusplus 40183234Ssimonextern "C" { 41183234Ssimon#endif 42183234Ssimon 43296465Sdelphij# define G_FUNC(v) \ 44183234Ssimon SS[0][(unsigned char) (v) & 0xff] ^ SS[1][(unsigned char) ((v)>>8) & 0xff] ^ \ 45183234Ssimon SS[2][(unsigned char)((v)>>16) & 0xff] ^ SS[3][(unsigned char)((v)>>24) & 0xff] 46183234Ssimon 47296465Sdelphij# define char2word(c, i) \ 48183234Ssimon (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3])) 49183234Ssimon 50296465Sdelphij# define word2char(l, c) \ 51183234Ssimon *((c)+0) = (unsigned char)((l)>>24) & 0xff; \ 52183234Ssimon *((c)+1) = (unsigned char)((l)>>16) & 0xff; \ 53183234Ssimon *((c)+2) = (unsigned char)((l)>> 8) & 0xff; \ 54183234Ssimon *((c)+3) = (unsigned char)((l)) & 0xff 55183234Ssimon 56296465Sdelphij# define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \ 57183234Ssimon (T0) = (X3); \ 58183234Ssimon (X3) = (((X3)<<8) ^ ((X4)>>24)) & 0xffffffff; \ 59183234Ssimon (X4) = (((X4)<<8) ^ ((T0)>>24)) & 0xffffffff; \ 60183234Ssimon (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ 61183234Ssimon (T1) = ((X2) + (KC) - (X4)) & 0xffffffff 62183234Ssimon 63296465Sdelphij# define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \ 64183234Ssimon (T0) = (X1); \ 65183234Ssimon (X1) = (((X1)>>8) ^ ((X2)<<24)) & 0xffffffff; \ 66183234Ssimon (X2) = (((X2)>>8) ^ ((T0)<<24)) & 0xffffffff; \ 67183234Ssimon (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \ 68183234Ssimon (T1) = ((X2) + (KC) - (X4)) & 0xffffffff 69183234Ssimon 70296465Sdelphij# define KEYUPDATE_TEMP(T0, T1, K) \ 71183234Ssimon (K)[0] = G_FUNC((T0)); \ 72183234Ssimon (K)[1] = G_FUNC((T1)) 73183234Ssimon 74296465Sdelphij# define XOR_SEEDBLOCK(DST, SRC) \ 75183234Ssimon ((DST))[0] ^= ((SRC))[0]; \ 76183234Ssimon ((DST))[1] ^= ((SRC))[1]; \ 77183234Ssimon ((DST))[2] ^= ((SRC))[2]; \ 78183234Ssimon ((DST))[3] ^= ((SRC))[3] 79183234Ssimon 80296465Sdelphij# define MOV_SEEDBLOCK(DST, SRC) \ 81183234Ssimon ((DST))[0] = ((SRC))[0]; \ 82183234Ssimon ((DST))[1] = ((SRC))[1]; \ 83183234Ssimon ((DST))[2] = ((SRC))[2]; \ 84183234Ssimon ((DST))[3] = ((SRC))[3] 85183234Ssimon 86183234Ssimon# define CHAR2WORD(C, I) \ 87183234Ssimon char2word((C), (I)[0]); \ 88183234Ssimon char2word((C+4), (I)[1]); \ 89183234Ssimon char2word((C+8), (I)[2]); \ 90183234Ssimon char2word((C+12), (I)[3]) 91183234Ssimon 92183234Ssimon# define WORD2CHAR(I, C) \ 93183234Ssimon word2char((I)[0], (C)); \ 94183234Ssimon word2char((I)[1], (C+4)); \ 95183234Ssimon word2char((I)[2], (C+8)); \ 96183234Ssimon word2char((I)[3], (C+12)) 97183234Ssimon 98183234Ssimon# define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \ 99183234Ssimon (T0) = (X3) ^ (ks->data)[(rbase)]; \ 100183234Ssimon (T1) = (X4) ^ (ks->data)[(rbase)+1]; \ 101183234Ssimon (T1) ^= (T0); \ 102183234Ssimon (T1) = G_FUNC((T1)); \ 103183234Ssimon (T0) = ((T0) + (T1)) & 0xffffffff; \ 104183234Ssimon (T0) = G_FUNC((T0)); \ 105183234Ssimon (T1) = ((T1) + (T0)) & 0xffffffff; \ 106183234Ssimon (T1) = G_FUNC((T1)); \ 107183234Ssimon (T0) = ((T0) + (T1)) & 0xffffffff; \ 108183234Ssimon (X1) ^= (T0); \ 109183234Ssimon (X2) ^= (T1) 110183234Ssimon 111183234Ssimon#ifdef __cplusplus 112183234Ssimon} 113183234Ssimon#endif 114183234Ssimon 115296465Sdelphij#endif /* HEADER_SEED_LOCL_H */ 116