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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.] */
#include <openssl/ripemd.h>
#include <string.h>
#include "internal.h"
int RIPEMD160_Init(RIPEMD160_CTX *ctx) {
memset(ctx, 0, sizeof(*ctx));
ctx->h[0] = RIPEMD160_A;
ctx->h[1] = RIPEMD160_B;
ctx->h[2] = RIPEMD160_C;
ctx->h[3] = RIPEMD160_D;
ctx->h[4] = RIPEMD160_E;
return 1;
}
static void ripemd160_block_data_order(uint32_t h[5], const uint8_t *data,
size_t num) {
uint32_t A, B, C, D, E;
uint32_t a, b, c, d, e, l;
uint32_t XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10, XX11, XX12,
XX13, XX14, XX15;
#define X(i) XX##i
for (; num--;) {
A = h[0];
B = h[1];
C = h[2];
D = h[3];
E = h[4];
(void)HOST_c2l(data, l);
X(0) = l;
(void)HOST_c2l(data, l);
X(1) = l;
RIP1(A, B, C, D, E, WL00, SL00);
(void)HOST_c2l(data, l);
X(2) = l;
RIP1(E, A, B, C, D, WL01, SL01);
(void)HOST_c2l(data, l);
X(3) = l;
RIP1(D, E, A, B, C, WL02, SL02);
(void)HOST_c2l(data, l);
X(4) = l;
RIP1(C, D, E, A, B, WL03, SL03);
(void)HOST_c2l(data, l);
X(5) = l;
RIP1(B, C, D, E, A, WL04, SL04);
(void)HOST_c2l(data, l);
X(6) = l;
RIP1(A, B, C, D, E, WL05, SL05);
(void)HOST_c2l(data, l);
X(7) = l;
RIP1(E, A, B, C, D, WL06, SL06);
(void)HOST_c2l(data, l);
X(8) = l;
RIP1(D, E, A, B, C, WL07, SL07);
(void)HOST_c2l(data, l);
X(9) = l;
RIP1(C, D, E, A, B, WL08, SL08);
(void)HOST_c2l(data, l);
X(10) = l;
RIP1(B, C, D, E, A, WL09, SL09);
(void)HOST_c2l(data, l);
X(11) = l;
RIP1(A, B, C, D, E, WL10, SL10);
(void)HOST_c2l(data, l);
X(12) = l;
RIP1(E, A, B, C, D, WL11, SL11);
(void)HOST_c2l(data, l);
X(13) = l;
RIP1(D, E, A, B, C, WL12, SL12);
(void)HOST_c2l(data, l);
X(14) = l;
RIP1(C, D, E, A, B, WL13, SL13);
(void)HOST_c2l(data, l);
X(15) = l;
RIP1(B, C, D, E, A, WL14, SL14);
RIP1(A, B, C, D, E, WL15, SL15);
RIP2(E, A, B, C, D, WL16, SL16, KL1);
RIP2(D, E, A, B, C, WL17, SL17, KL1);
RIP2(C, D, E, A, B, WL18, SL18, KL1);
RIP2(B, C, D, E, A, WL19, SL19, KL1);
RIP2(A, B, C, D, E, WL20, SL20, KL1);
RIP2(E, A, B, C, D, WL21, SL21, KL1);
RIP2(D, E, A, B, C, WL22, SL22, KL1);
RIP2(C, D, E, A, B, WL23, SL23, KL1);
RIP2(B, C, D, E, A, WL24, SL24, KL1);
RIP2(A, B, C, D, E, WL25, SL25, KL1);
RIP2(E, A, B, C, D, WL26, SL26, KL1);
RIP2(D, E, A, B, C, WL27, SL27, KL1);
RIP2(C, D, E, A, B, WL28, SL28, KL1);
RIP2(B, C, D, E, A, WL29, SL29, KL1);
RIP2(A, B, C, D, E, WL30, SL30, KL1);
RIP2(E, A, B, C, D, WL31, SL31, KL1);
RIP3(D, E, A, B, C, WL32, SL32, KL2);
RIP3(C, D, E, A, B, WL33, SL33, KL2);
RIP3(B, C, D, E, A, WL34, SL34, KL2);
RIP3(A, B, C, D, E, WL35, SL35, KL2);
RIP3(E, A, B, C, D, WL36, SL36, KL2);
RIP3(D, E, A, B, C, WL37, SL37, KL2);
RIP3(C, D, E, A, B, WL38, SL38, KL2);
RIP3(B, C, D, E, A, WL39, SL39, KL2);
RIP3(A, B, C, D, E, WL40, SL40, KL2);
RIP3(E, A, B, C, D, WL41, SL41, KL2);
RIP3(D, E, A, B, C, WL42, SL42, KL2);
RIP3(C, D, E, A, B, WL43, SL43, KL2);
RIP3(B, C, D, E, A, WL44, SL44, KL2);
RIP3(A, B, C, D, E, WL45, SL45, KL2);
RIP3(E, A, B, C, D, WL46, SL46, KL2);
RIP3(D, E, A, B, C, WL47, SL47, KL2);
RIP4(C, D, E, A, B, WL48, SL48, KL3);
RIP4(B, C, D, E, A, WL49, SL49, KL3);
RIP4(A, B, C, D, E, WL50, SL50, KL3);
RIP4(E, A, B, C, D, WL51, SL51, KL3);
RIP4(D, E, A, B, C, WL52, SL52, KL3);
RIP4(C, D, E, A, B, WL53, SL53, KL3);
RIP4(B, C, D, E, A, WL54, SL54, KL3);
RIP4(A, B, C, D, E, WL55, SL55, KL3);
RIP4(E, A, B, C, D, WL56, SL56, KL3);
RIP4(D, E, A, B, C, WL57, SL57, KL3);
RIP4(C, D, E, A, B, WL58, SL58, KL3);
RIP4(B, C, D, E, A, WL59, SL59, KL3);
RIP4(A, B, C, D, E, WL60, SL60, KL3);
RIP4(E, A, B, C, D, WL61, SL61, KL3);
RIP4(D, E, A, B, C, WL62, SL62, KL3);
RIP4(C, D, E, A, B, WL63, SL63, KL3);
RIP5(B, C, D, E, A, WL64, SL64, KL4);
RIP5(A, B, C, D, E, WL65, SL65, KL4);
RIP5(E, A, B, C, D, WL66, SL66, KL4);
RIP5(D, E, A, B, C, WL67, SL67, KL4);
RIP5(C, D, E, A, B, WL68, SL68, KL4);
RIP5(B, C, D, E, A, WL69, SL69, KL4);
RIP5(A, B, C, D, E, WL70, SL70, KL4);
RIP5(E, A, B, C, D, WL71, SL71, KL4);
RIP5(D, E, A, B, C, WL72, SL72, KL4);
RIP5(C, D, E, A, B, WL73, SL73, KL4);
RIP5(B, C, D, E, A, WL74, SL74, KL4);
RIP5(A, B, C, D, E, WL75, SL75, KL4);
RIP5(E, A, B, C, D, WL76, SL76, KL4);
RIP5(D, E, A, B, C, WL77, SL77, KL4);
RIP5(C, D, E, A, B, WL78, SL78, KL4);
RIP5(B, C, D, E, A, WL79, SL79, KL4);
a = A;
b = B;
c = C;
d = D;
e = E;
/* Do other half */
A = h[0];
B = h[1];
C = h[2];
D = h[3];
E = h[4];
RIP5(A, B, C, D, E, WR00, SR00, KR0);
RIP5(E, A, B, C, D, WR01, SR01, KR0);
RIP5(D, E, A, B, C, WR02, SR02, KR0);
RIP5(C, D, E, A, B, WR03, SR03, KR0);
RIP5(B, C, D, E, A, WR04, SR04, KR0);
RIP5(A, B, C, D, E, WR05, SR05, KR0);
RIP5(E, A, B, C, D, WR06, SR06, KR0);
RIP5(D, E, A, B, C, WR07, SR07, KR0);
RIP5(C, D, E, A, B, WR08, SR08, KR0);
RIP5(B, C, D, E, A, WR09, SR09, KR0);
RIP5(A, B, C, D, E, WR10, SR10, KR0);
RIP5(E, A, B, C, D, WR11, SR11, KR0);
RIP5(D, E, A, B, C, WR12, SR12, KR0);
RIP5(C, D, E, A, B, WR13, SR13, KR0);
RIP5(B, C, D, E, A, WR14, SR14, KR0);
RIP5(A, B, C, D, E, WR15, SR15, KR0);
RIP4(E, A, B, C, D, WR16, SR16, KR1);
RIP4(D, E, A, B, C, WR17, SR17, KR1);
RIP4(C, D, E, A, B, WR18, SR18, KR1);
RIP4(B, C, D, E, A, WR19, SR19, KR1);
RIP4(A, B, C, D, E, WR20, SR20, KR1);
RIP4(E, A, B, C, D, WR21, SR21, KR1);
RIP4(D, E, A, B, C, WR22, SR22, KR1);
RIP4(C, D, E, A, B, WR23, SR23, KR1);
RIP4(B, C, D, E, A, WR24, SR24, KR1);
RIP4(A, B, C, D, E, WR25, SR25, KR1);
RIP4(E, A, B, C, D, WR26, SR26, KR1);
RIP4(D, E, A, B, C, WR27, SR27, KR1);
RIP4(C, D, E, A, B, WR28, SR28, KR1);
RIP4(B, C, D, E, A, WR29, SR29, KR1);
RIP4(A, B, C, D, E, WR30, SR30, KR1);
RIP4(E, A, B, C, D, WR31, SR31, KR1);
RIP3(D, E, A, B, C, WR32, SR32, KR2);
RIP3(C, D, E, A, B, WR33, SR33, KR2);
RIP3(B, C, D, E, A, WR34, SR34, KR2);
RIP3(A, B, C, D, E, WR35, SR35, KR2);
RIP3(E, A, B, C, D, WR36, SR36, KR2);
RIP3(D, E, A, B, C, WR37, SR37, KR2);
RIP3(C, D, E, A, B, WR38, SR38, KR2);
RIP3(B, C, D, E, A, WR39, SR39, KR2);
RIP3(A, B, C, D, E, WR40, SR40, KR2);
RIP3(E, A, B, C, D, WR41, SR41, KR2);
RIP3(D, E, A, B, C, WR42, SR42, KR2);
RIP3(C, D, E, A, B, WR43, SR43, KR2);
RIP3(B, C, D, E, A, WR44, SR44, KR2);
RIP3(A, B, C, D, E, WR45, SR45, KR2);
RIP3(E, A, B, C, D, WR46, SR46, KR2);
RIP3(D, E, A, B, C, WR47, SR47, KR2);
RIP2(C, D, E, A, B, WR48, SR48, KR3);
RIP2(B, C, D, E, A, WR49, SR49, KR3);
RIP2(A, B, C, D, E, WR50, SR50, KR3);
RIP2(E, A, B, C, D, WR51, SR51, KR3);
RIP2(D, E, A, B, C, WR52, SR52, KR3);
RIP2(C, D, E, A, B, WR53, SR53, KR3);
RIP2(B, C, D, E, A, WR54, SR54, KR3);
RIP2(A, B, C, D, E, WR55, SR55, KR3);
RIP2(E, A, B, C, D, WR56, SR56, KR3);
RIP2(D, E, A, B, C, WR57, SR57, KR3);
RIP2(C, D, E, A, B, WR58, SR58, KR3);
RIP2(B, C, D, E, A, WR59, SR59, KR3);
RIP2(A, B, C, D, E, WR60, SR60, KR3);
RIP2(E, A, B, C, D, WR61, SR61, KR3);
RIP2(D, E, A, B, C, WR62, SR62, KR3);
RIP2(C, D, E, A, B, WR63, SR63, KR3);
RIP1(B, C, D, E, A, WR64, SR64);
RIP1(A, B, C, D, E, WR65, SR65);
RIP1(E, A, B, C, D, WR66, SR66);
RIP1(D, E, A, B, C, WR67, SR67);
RIP1(C, D, E, A, B, WR68, SR68);
RIP1(B, C, D, E, A, WR69, SR69);
RIP1(A, B, C, D, E, WR70, SR70);
RIP1(E, A, B, C, D, WR71, SR71);
RIP1(D, E, A, B, C, WR72, SR72);
RIP1(C, D, E, A, B, WR73, SR73);
RIP1(B, C, D, E, A, WR74, SR74);
RIP1(A, B, C, D, E, WR75, SR75);
RIP1(E, A, B, C, D, WR76, SR76);
RIP1(D, E, A, B, C, WR77, SR77);
RIP1(C, D, E, A, B, WR78, SR78);
RIP1(B, C, D, E, A, WR79, SR79);
D = h[1] + c + D;
h[1] = h[2] + d + E;
h[2] = h[3] + e + A;
h[3] = h[4] + a + B;
h[4] = h[0] + b + C;
h[0] = D;
}
#undef X
}
uint8_t *RIPEMD160(const uint8_t *data, size_t len, unsigned char *out) {
RIPEMD160_CTX ctx;
if (!RIPEMD160_Init(&ctx)) {
return NULL;
}
RIPEMD160_Update(&ctx, data, len);
RIPEMD160_Final(out, &ctx);
return out;
}