|  | /* 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) { | 
|  | OPENSSL_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]; | 
|  |  | 
|  | HOST_c2l(data, l); | 
|  | X(0) = l; | 
|  | HOST_c2l(data, l); | 
|  | X(1) = l; | 
|  | RIP1(A, B, C, D, E, WL00, SL00); | 
|  | HOST_c2l(data, l); | 
|  | X(2) = l; | 
|  | RIP1(E, A, B, C, D, WL01, SL01); | 
|  | HOST_c2l(data, l); | 
|  | X(3) = l; | 
|  | RIP1(D, E, A, B, C, WL02, SL02); | 
|  | HOST_c2l(data, l); | 
|  | X(4) = l; | 
|  | RIP1(C, D, E, A, B, WL03, SL03); | 
|  | HOST_c2l(data, l); | 
|  | X(5) = l; | 
|  | RIP1(B, C, D, E, A, WL04, SL04); | 
|  | HOST_c2l(data, l); | 
|  | X(6) = l; | 
|  | RIP1(A, B, C, D, E, WL05, SL05); | 
|  | HOST_c2l(data, l); | 
|  | X(7) = l; | 
|  | RIP1(E, A, B, C, D, WL06, SL06); | 
|  | HOST_c2l(data, l); | 
|  | X(8) = l; | 
|  | RIP1(D, E, A, B, C, WL07, SL07); | 
|  | HOST_c2l(data, l); | 
|  | X(9) = l; | 
|  | RIP1(C, D, E, A, B, WL08, SL08); | 
|  | HOST_c2l(data, l); | 
|  | X(10) = l; | 
|  | RIP1(B, C, D, E, A, WL09, SL09); | 
|  | HOST_c2l(data, l); | 
|  | X(11) = l; | 
|  | RIP1(A, B, C, D, E, WL10, SL10); | 
|  | HOST_c2l(data, l); | 
|  | X(12) = l; | 
|  | RIP1(E, A, B, C, D, WL11, SL11); | 
|  | HOST_c2l(data, l); | 
|  | X(13) = l; | 
|  | RIP1(D, E, A, B, C, WL12, SL12); | 
|  | HOST_c2l(data, l); | 
|  | X(14) = l; | 
|  | RIP1(C, D, E, A, B, WL13, SL13); | 
|  | 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, | 
|  | uint8_t out[RIPEMD160_DIGEST_LENGTH]) { | 
|  | RIPEMD160_CTX ctx; | 
|  |  | 
|  | if (!RIPEMD160_Init(&ctx)) { | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | RIPEMD160_Update(&ctx, data, len); | 
|  | RIPEMD160_Final(out, &ctx); | 
|  | return out; | 
|  | } |