[331] | 1 | /*
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| 2 | * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * Copyright (c) 2007 KISA(Korea Information Security Agency). All rights reserved.
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| 12 | *
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| 13 | * Redistribution and use in source and binary forms, with or without
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| 14 | * modification, are permitted provided that the following conditions
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| 15 | * are met:
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| 16 | * 1. Redistributions of source code must retain the above copyright
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| 17 | * notice, this list of conditions and the following disclaimer.
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| 18 | * 2. Neither the name of author nor the names of its contributors may
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| 19 | * be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | */
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| 35 | #ifndef HEADER_SEED_LOCL_H
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| 36 | # define HEADER_SEED_LOCL_H
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| 37 |
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| 38 | # include "openssl/e_os2.h"
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| 39 | # include <openssl/seed.h>
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| 40 |
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| 41 | # ifdef SEED_LONG /* need 32-bit type */
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| 42 | typedef unsigned long seed_word;
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| 43 | # else
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| 44 | typedef unsigned int seed_word;
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| 45 | # endif
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| 46 |
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| 47 |
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| 48 | #ifdef __cplusplus
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| 49 | extern "C" {
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| 50 | #endif
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| 51 |
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| 52 | # define char2word(c, i) \
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| 53 | (i) = ((((seed_word)(c)[0]) << 24) | (((seed_word)(c)[1]) << 16) | (((seed_word)(c)[2]) << 8) | ((seed_word)(c)[3]))
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| 54 |
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| 55 | # define word2char(l, c) \
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| 56 | *((c)+0) = (unsigned char)((l)>>24) & 0xff; \
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| 57 | *((c)+1) = (unsigned char)((l)>>16) & 0xff; \
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| 58 | *((c)+2) = (unsigned char)((l)>> 8) & 0xff; \
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| 59 | *((c)+3) = (unsigned char)((l)) & 0xff
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| 60 |
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| 61 | # define KEYSCHEDULE_UPDATE0(T0, T1, X1, X2, X3, X4, KC) \
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| 62 | (T0) = (X3); \
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| 63 | (X3) = (((X3)<<8) ^ ((X4)>>24)) & 0xffffffff; \
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| 64 | (X4) = (((X4)<<8) ^ ((T0)>>24)) & 0xffffffff; \
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| 65 | (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \
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| 66 | (T1) = ((X2) + (KC) - (X4)) & 0xffffffff
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| 67 |
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| 68 | # define KEYSCHEDULE_UPDATE1(T0, T1, X1, X2, X3, X4, KC) \
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| 69 | (T0) = (X1); \
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| 70 | (X1) = (((X1)>>8) ^ ((X2)<<24)) & 0xffffffff; \
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| 71 | (X2) = (((X2)>>8) ^ ((T0)<<24)) & 0xffffffff; \
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| 72 | (T0) = ((X1) + (X3) - (KC)) & 0xffffffff; \
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| 73 | (T1) = ((X2) + (KC) - (X4)) & 0xffffffff
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| 74 |
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| 75 | # define KEYUPDATE_TEMP(T0, T1, K) \
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| 76 | (K)[0] = G_FUNC((T0)); \
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| 77 | (K)[1] = G_FUNC((T1))
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| 78 |
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| 79 | # define XOR_SEEDBLOCK(DST, SRC) \
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| 80 | ((DST))[0] ^= ((SRC))[0]; \
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| 81 | ((DST))[1] ^= ((SRC))[1]; \
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| 82 | ((DST))[2] ^= ((SRC))[2]; \
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| 83 | ((DST))[3] ^= ((SRC))[3]
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| 84 |
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| 85 | # define MOV_SEEDBLOCK(DST, SRC) \
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| 86 | ((DST))[0] = ((SRC))[0]; \
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| 87 | ((DST))[1] = ((SRC))[1]; \
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| 88 | ((DST))[2] = ((SRC))[2]; \
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| 89 | ((DST))[3] = ((SRC))[3]
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| 90 |
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| 91 | # define CHAR2WORD(C, I) \
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| 92 | char2word((C), (I)[0]); \
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| 93 | char2word((C+4), (I)[1]); \
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| 94 | char2word((C+8), (I)[2]); \
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| 95 | char2word((C+12), (I)[3])
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| 96 |
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| 97 | # define WORD2CHAR(I, C) \
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| 98 | word2char((I)[0], (C)); \
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| 99 | word2char((I)[1], (C+4)); \
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| 100 | word2char((I)[2], (C+8)); \
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| 101 | word2char((I)[3], (C+12))
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| 102 |
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| 103 | # define E_SEED(T0, T1, X1, X2, X3, X4, rbase) \
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| 104 | (T0) = (X3) ^ (ks->data)[(rbase)]; \
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| 105 | (T1) = (X4) ^ (ks->data)[(rbase)+1]; \
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| 106 | (T1) ^= (T0); \
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| 107 | (T1) = G_FUNC((T1)); \
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| 108 | (T0) = ((T0) + (T1)) & 0xffffffff; \
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| 109 | (T0) = G_FUNC((T0)); \
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| 110 | (T1) = ((T1) + (T0)) & 0xffffffff; \
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| 111 | (T1) = G_FUNC((T1)); \
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| 112 | (T0) = ((T0) + (T1)) & 0xffffffff; \
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| 113 | (X1) ^= (T0); \
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| 114 | (X2) ^= (T1)
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| 115 |
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| 116 | #ifdef __cplusplus
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| 117 | }
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| 118 | #endif
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| 119 |
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| 120 | #endif /* HEADER_SEED_LOCL_H */
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