[164] | 1 | /* ripemd.c
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 |
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| 23 | #ifdef HAVE_CONFIG_H
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| 24 | #include <config.h>
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| 25 | #endif
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| 26 |
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| 27 | #include <wolfssl/wolfcrypt/settings.h>
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| 28 |
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| 29 | #ifdef WOLFSSL_RIPEMD
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| 30 |
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| 31 | #include <wolfssl/wolfcrypt/ripemd.h>
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| 32 | #ifdef NO_INLINE
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| 33 | #include <wolfssl/wolfcrypt/misc.h>
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| 34 | #else
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| 35 | #include <wolfcrypt/src/misc.c>
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| 36 | #endif
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| 37 |
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| 38 |
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| 39 | #ifdef min
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| 40 | #define WOLFSSL_HAVE_MIN
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| 41 | #endif
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| 42 | #ifndef WOLFSSL_HAVE_MIN
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| 43 | #define WOLFSSL_HAVE_MIN
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| 44 |
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| 45 | static INLINE word32 min(word32 a, word32 b)
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| 46 | {
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| 47 | return a > b ? b : a;
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| 48 | }
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| 49 |
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| 50 | #endif /* WOLFSSL_HAVE_MIN */
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| 51 |
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| 52 | void wc_InitRipeMd(RipeMd* ripemd)
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| 53 | {
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| 54 | ripemd->digest[0] = 0x67452301L;
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| 55 | ripemd->digest[1] = 0xEFCDAB89L;
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| 56 | ripemd->digest[2] = 0x98BADCFEL;
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| 57 | ripemd->digest[3] = 0x10325476L;
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| 58 | ripemd->digest[4] = 0xC3D2E1F0L;
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| 59 |
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| 60 | ripemd->buffLen = 0;
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| 61 | ripemd->loLen = 0;
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| 62 | ripemd->hiLen = 0;
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| 63 | }
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| 64 |
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| 65 |
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| 66 | /* for all */
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| 67 | #define F(x, y, z) (x ^ y ^ z)
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| 68 | #define G(x, y, z) (z ^ (x & (y^z)))
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| 69 | #define H(x, y, z) (z ^ (x | ~y))
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| 70 | #define I(x, y, z) (y ^ (z & (x^y)))
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| 71 | #define J(x, y, z) (x ^ (y | ~z))
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| 72 |
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| 73 | #define k0 0
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| 74 | #define k1 0x5a827999
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| 75 | #define k2 0x6ed9eba1
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| 76 | #define k3 0x8f1bbcdc
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| 77 | #define k4 0xa953fd4e
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| 78 | #define k5 0x50a28be6
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| 79 | #define k6 0x5c4dd124
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| 80 | #define k7 0x6d703ef3
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| 81 | #define k8 0x7a6d76e9
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| 82 | #define k9 0
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| 83 |
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| 84 | /* for 160 and 320 */
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| 85 | #define Subround(f, a, b, c, d, e, x, s, k) \
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| 86 | a += f(b, c, d) + x + k;\
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| 87 | a = rotlFixed((word32)a, s) + e;\
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| 88 | c = rotlFixed((word32)c, 10U)
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| 89 |
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| 90 | static void Transform(RipeMd* ripemd)
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| 91 | {
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| 92 | word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
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| 93 | a1 = a2 = ripemd->digest[0];
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| 94 | b1 = b2 = ripemd->digest[1];
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| 95 | c1 = c2 = ripemd->digest[2];
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| 96 | d1 = d2 = ripemd->digest[3];
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| 97 | e1 = e2 = ripemd->digest[4];
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| 98 |
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| 99 | Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
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| 100 | Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
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| 101 | Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
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| 102 | Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
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| 103 | Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0);
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| 104 | Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0);
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| 105 | Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0);
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| 106 | Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0);
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| 107 | Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
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| 108 | Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
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| 109 | Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
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| 110 | Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
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| 111 | Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0);
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| 112 | Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0);
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| 113 | Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0);
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| 114 | Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0);
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| 115 |
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| 116 | Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1);
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| 117 | Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1);
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| 118 | Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1);
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| 119 | Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
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| 120 | Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
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| 121 | Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1);
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| 122 | Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1);
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| 123 | Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
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| 124 | Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1);
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| 125 | Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
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| 126 | Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
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| 127 | Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1);
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| 128 | Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
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| 129 | Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1);
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| 130 | Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
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| 131 | Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
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| 132 |
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| 133 | Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
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| 134 | Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
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| 135 | Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2);
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| 136 | Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2);
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| 137 | Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
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| 138 | Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2);
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| 139 | Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
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| 140 | Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
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| 141 | Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
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| 142 | Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2);
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| 143 | Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
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| 144 | Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2);
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| 145 | Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2);
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| 146 | Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
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| 147 | Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2);
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| 148 | Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2);
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| 149 |
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| 150 | Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
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| 151 | Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
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| 152 | Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
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| 153 | Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
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| 154 | Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
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| 155 | Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
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| 156 | Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3);
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| 157 | Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3);
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| 158 | Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3);
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| 159 | Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
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| 160 | Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3);
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| 161 | Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3);
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| 162 | Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3);
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| 163 | Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3);
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| 164 | Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3);
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| 165 | Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
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| 166 |
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| 167 | Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4);
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| 168 | Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
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| 169 | Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4);
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| 170 | Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
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| 171 | Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4);
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| 172 | Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4);
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| 173 | Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
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| 174 | Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
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| 175 | Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4);
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| 176 | Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
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| 177 | Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
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| 178 | Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
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| 179 | Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
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| 180 | Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4);
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| 181 | Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4);
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| 182 | Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4);
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| 183 |
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| 184 | Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5);
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| 185 | Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5);
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| 186 | Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5);
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| 187 | Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
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| 188 | Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
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| 189 | Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
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| 190 | Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
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| 191 | Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5);
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| 192 | Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5);
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| 193 | Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5);
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| 194 | Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5);
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| 195 | Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
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| 196 | Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
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| 197 | Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
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| 198 | Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
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| 199 | Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5);
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| 200 |
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| 201 | Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6);
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| 202 | Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
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| 203 | Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
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| 204 | Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6);
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| 205 | Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
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| 206 | Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6);
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| 207 | Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6);
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| 208 | Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
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| 209 | Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6);
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| 210 | Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6);
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| 211 | Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
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| 212 | Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6);
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| 213 | Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6);
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| 214 | Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
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| 215 | Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
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| 216 | Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
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| 217 |
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| 218 | Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7);
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| 219 | Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7);
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| 220 | Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
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| 221 | Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
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| 222 | Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7);
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| 223 | Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7);
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| 224 | Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7);
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| 225 | Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
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| 226 | Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
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| 227 | Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
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| 228 | Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7);
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| 229 | Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
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| 230 | Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
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| 231 | Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
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| 232 | Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7);
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| 233 | Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7);
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| 234 |
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| 235 | Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
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| 236 | Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8);
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| 237 | Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8);
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| 238 | Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
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| 239 | Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
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| 240 | Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
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| 241 | Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8);
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| 242 | Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
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| 243 | Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8);
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| 244 | Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8);
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| 245 | Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
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| 246 | Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8);
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| 247 | Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
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| 248 | Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8);
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| 249 | Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
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| 250 | Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8);
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| 251 |
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| 252 | Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9);
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| 253 | Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9);
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| 254 | Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
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| 255 | Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9);
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| 256 | Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
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| 257 | Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9);
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| 258 | Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
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| 259 | Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9);
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| 260 | Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9);
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| 261 | Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
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| 262 | Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9);
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| 263 | Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9);
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| 264 | Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
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| 265 | Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
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| 266 | Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
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| 267 | Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
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| 268 |
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| 269 | c1 = ripemd->digest[1] + c1 + d2;
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| 270 | ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
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| 271 | ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
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| 272 | ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
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| 273 | ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
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| 274 | ripemd->digest[0] = c1;
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| 275 | }
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| 276 |
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| 277 |
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| 278 | static INLINE void AddLength(RipeMd* ripemd, word32 len)
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| 279 | {
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| 280 | word32 tmp = ripemd->loLen;
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| 281 | if ( (ripemd->loLen += len) < tmp)
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| 282 | ripemd->hiLen++; /* carry low to high */
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| 283 | }
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| 284 |
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| 285 |
|
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| 286 | void wc_RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
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| 287 | {
|
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| 288 | /* do block size increments */
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| 289 | byte* local = (byte*)ripemd->buffer;
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| 290 |
|
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| 291 | while (len) {
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| 292 | word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
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| 293 | XMEMCPY(&local[ripemd->buffLen], data, add);
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| 294 |
|
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| 295 | ripemd->buffLen += add;
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| 296 | data += add;
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| 297 | len -= add;
|
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| 298 |
|
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| 299 | if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
|
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| 300 | #ifdef BIG_ENDIAN_ORDER
|
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| 301 | ByteReverseWords(ripemd->buffer, ripemd->buffer,
|
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| 302 | RIPEMD_BLOCK_SIZE);
|
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| 303 | #endif
|
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| 304 | Transform(ripemd);
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| 305 | AddLength(ripemd, RIPEMD_BLOCK_SIZE);
|
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| 306 | ripemd->buffLen = 0;
|
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| 307 | }
|
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| 308 | }
|
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| 309 | }
|
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| 310 |
|
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| 311 |
|
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| 312 | void wc_RipeMdFinal(RipeMd* ripemd, byte* hash)
|
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| 313 | {
|
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| 314 | byte* local = (byte*)ripemd->buffer;
|
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| 315 |
|
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| 316 | AddLength(ripemd, ripemd->buffLen); /* before adding pads */
|
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| 317 |
|
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| 318 | local[ripemd->buffLen++] = 0x80; /* add 1 */
|
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| 319 |
|
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| 320 | /* pad with zeros */
|
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| 321 | if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
|
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| 322 | XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
|
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| 323 | ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
|
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| 324 |
|
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| 325 | #ifdef BIG_ENDIAN_ORDER
|
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| 326 | ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
|
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| 327 | #endif
|
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| 328 | Transform(ripemd);
|
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| 329 | ripemd->buffLen = 0;
|
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| 330 | }
|
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| 331 | XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
|
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| 332 |
|
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| 333 | /* put lengths in bits */
|
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| 334 | ripemd->loLen = ripemd->loLen << 3;
|
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| 335 | ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) +
|
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| 336 | (ripemd->hiLen << 3);
|
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| 337 |
|
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| 338 | /* store lengths */
|
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| 339 | #ifdef BIG_ENDIAN_ORDER
|
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| 340 | ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
|
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| 341 | #endif
|
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| 342 | /* ! length ordering dependent on digest endian type ! */
|
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| 343 | XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
|
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| 344 | XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen,
|
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| 345 | sizeof(word32));
|
---|
| 346 |
|
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| 347 | Transform(ripemd);
|
---|
| 348 | #ifdef BIG_ENDIAN_ORDER
|
---|
| 349 | ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
|
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| 350 | #endif
|
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| 351 | XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
|
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| 352 |
|
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| 353 | wc_InitRipeMd(ripemd); /* reset state */
|
---|
| 354 | }
|
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| 355 |
|
---|
| 356 |
|
---|
| 357 | #endif /* WOLFSSL_RIPEMD */
|
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