/* $OpenBSD: ripemd.c,v 1.4 2023/08/10 11:00:46 jsing Exp $ */ /* 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 #include #include #include #include #include #include /* * DO EXAMINE COMMENTS IN crypto/md5/md5_locl.h & crypto/md5/md5_dgst.c * FOR EXPLANATIONS ON FOLLOWING "CODE." * */ #ifdef RMD160_ASM # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) # define ripemd160_block_data_order ripemd160_block_asm_data_order # endif #endif __BEGIN_HIDDEN_DECLS void ripemd160_block_data_order (RIPEMD160_CTX *c, const void *p, size_t num); __END_HIDDEN_DECLS #define DATA_ORDER_IS_LITTLE_ENDIAN #define HASH_LONG RIPEMD160_LONG #define HASH_CTX RIPEMD160_CTX #define HASH_CBLOCK RIPEMD160_CBLOCK #define HASH_UPDATE RIPEMD160_Update #define HASH_TRANSFORM RIPEMD160_Transform #define HASH_FINAL RIPEMD160_Final #define HASH_MAKE_STRING(c,s) do { \ unsigned long ll; \ ll=(c)->A; HOST_l2c(ll,(s)); \ ll=(c)->B; HOST_l2c(ll,(s)); \ ll=(c)->C; HOST_l2c(ll,(s)); \ ll=(c)->D; HOST_l2c(ll,(s)); \ ll=(c)->E; HOST_l2c(ll,(s)); \ } while (0) #define HASH_BLOCK_DATA_ORDER ripemd160_block_data_order #include "md32_common.h" #if 0 #define F1(x,y,z) ((x)^(y)^(z)) #define F2(x,y,z) (((x)&(y))|((~x)&z)) #define F3(x,y,z) (((x)|(~y))^(z)) #define F4(x,y,z) (((x)&(z))|((y)&(~(z)))) #define F5(x,y,z) ((x)^((y)|(~(z)))) #else /* * Transformed F2 and F4 are courtesy of Wei Dai */ #define F1(x,y,z) ((x) ^ (y) ^ (z)) #define F2(x,y,z) ((((y) ^ (z)) & (x)) ^ (z)) #define F3(x,y,z) (((~(y)) | (x)) ^ (z)) #define F4(x,y,z) ((((x) ^ (y)) & (z)) ^ (y)) #define F5(x,y,z) (((~(z)) | (y)) ^ (x)) #endif #define RIPEMD160_A 0x67452301L #define RIPEMD160_B 0xEFCDAB89L #define RIPEMD160_C 0x98BADCFEL #define RIPEMD160_D 0x10325476L #define RIPEMD160_E 0xC3D2E1F0L #include "rmdconst.h" #define RIP1(a,b,c,d,e,w,s) { \ a+=F1(b,c,d)+X(w); \ a=ROTATE(a,s)+e; \ c=ROTATE(c,10); } #define RIP2(a,b,c,d,e,w,s,K) { \ a+=F2(b,c,d)+X(w)+K; \ a=ROTATE(a,s)+e; \ c=ROTATE(c,10); } #define RIP3(a,b,c,d,e,w,s,K) { \ a+=F3(b,c,d)+X(w)+K; \ a=ROTATE(a,s)+e; \ c=ROTATE(c,10); } #define RIP4(a,b,c,d,e,w,s,K) { \ a+=F4(b,c,d)+X(w)+K; \ a=ROTATE(a,s)+e; \ c=ROTATE(c,10); } #define RIP5(a,b,c,d,e,w,s,K) { \ a+=F5(b,c,d)+X(w)+K; \ a=ROTATE(a,s)+e; \ c=ROTATE(c,10); } # ifdef RMD160_ASM void ripemd160_block_x86(RIPEMD160_CTX *c, unsigned long *p, size_t num); # define ripemd160_block ripemd160_block_x86 # else void ripemd160_block(RIPEMD160_CTX *c, unsigned long *p, size_t num); # endif int RIPEMD160_Init(RIPEMD160_CTX *c) { memset (c, 0, sizeof(*c)); c->A = RIPEMD160_A; c->B = RIPEMD160_B; c->C = RIPEMD160_C; c->D = RIPEMD160_D; c->E = RIPEMD160_E; return 1; } #ifndef ripemd160_block_data_order #ifdef X #undef X #endif void ripemd160_block_data_order(RIPEMD160_CTX *ctx, const void *p, size_t num) { const unsigned char *data = p; unsigned int A, B, C, D, E; unsigned int a, b, c, d, e, l; #ifndef MD32_XARRAY /* See comment in crypto/sha/sha_locl.h for details. */ unsigned int XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; # define X(i) XX##i #else RIPEMD160_LONG XX[16]; # define X(i) XX[i] #endif for (; num--; ) { A = ctx->A; B = ctx->B; C = ctx->C; D = ctx->D; E = ctx->E; HOST_c2l(data, l); X( 0) = l; HOST_c2l(data, l); X( 1) = l; RIP1(A, B, C, D, E, WL00, 11); HOST_c2l(data, l); X( 2) = l; RIP1(E, A, B, C, D, WL01, 14); HOST_c2l(data, l); X( 3) = l; RIP1(D, E, A, B, C, WL02, 15); HOST_c2l(data, l); X( 4) = l; RIP1(C, D, E, A, B, WL03, 12); HOST_c2l(data, l); X( 5) = l; RIP1(B, C, D, E, A, WL04, 5); HOST_c2l(data, l); X( 6) = l; RIP1(A, B, C, D, E, WL05, 8); HOST_c2l(data, l); X( 7) = l; RIP1(E, A, B, C, D, WL06, 7); HOST_c2l(data, l); X( 8) = l; RIP1(D, E, A, B, C, WL07, 9); HOST_c2l(data, l); X( 9) = l; RIP1(C, D, E, A, B, WL08, 11); HOST_c2l(data, l); X(10) = l; RIP1(B, C, D, E, A, WL09, 13); HOST_c2l(data, l); X(11) = l; RIP1(A, B, C, D, E, WL10, 14); HOST_c2l(data, l); X(12) = l; RIP1(E, A, B, C, D, WL11, 15); HOST_c2l(data, l); X(13) = l; RIP1(D, E, A, B, C, WL12, 6); HOST_c2l(data, l); X(14) = l; RIP1(C, D, E, A, B, WL13, 7); HOST_c2l(data, l); X(15) = l; RIP1(B, C, D, E, A, WL14, 9); RIP1(A, B, C, D, E, WL15, 8); RIP2(E, A, B, C, D, WL16, 7, KL1); RIP2(D, E, A, B, C, WL17, 6, KL1); RIP2(C, D, E, A, B, WL18, 8, KL1); RIP2(B, C, D, E, A, WL19, 13, KL1); RIP2(A, B, C, D, E, WL20, 11, KL1); RIP2(E, A, B, C, D, WL21, 9, KL1); RIP2(D, E, A, B, C, WL22, 7, KL1); RIP2(C, D, E, A, B, WL23, 15, KL1); RIP2(B, C, D, E, A, WL24, 7, KL1); RIP2(A, B, C, D, E, WL25, 12, KL1); RIP2(E, A, B, C, D, WL26, 15, KL1); RIP2(D, E, A, B, C, WL27, 9, KL1); RIP2(C, D, E, A, B, WL28, 11, KL1); RIP2(B, C, D, E, A, WL29, 7, KL1); RIP2(A, B, C, D, E, WL30, 13, KL1); RIP2(E, A, B, C, D, WL31, 12, KL1); RIP3(D, E, A, B, C, WL32, 11, KL2); RIP3(C, D, E, A, B, WL33, 13, KL2); RIP3(B, C, D, E, A, WL34, 6, KL2); RIP3(A, B, C, D, E, WL35, 7, KL2); RIP3(E, A, B, C, D, WL36, 14, KL2); RIP3(D, E, A, B, C, WL37, 9, KL2); RIP3(C, D, E, A, B, WL38, 13, KL2); RIP3(B, C, D, E, A, WL39, 15, KL2); RIP3(A, B, C, D, E, WL40, 14, KL2); RIP3(E, A, B, C, D, WL41, 8, KL2); RIP3(D, E, A, B, C, WL42, 13, KL2); RIP3(C, D, E, A, B, WL43, 6, KL2); RIP3(B, C, D, E, A, WL44, 5, KL2); RIP3(A, B, C, D, E, WL45, 12, KL2); RIP3(E, A, B, C, D, WL46, 7, KL2); RIP3(D, E, A, B, C, WL47, 5, KL2); RIP4(C, D, E, A, B, WL48, 11, KL3); RIP4(B, C, D, E, A, WL49, 12, KL3); RIP4(A, B, C, D, E, WL50, 14, KL3); RIP4(E, A, B, C, D, WL51, 15, KL3); RIP4(D, E, A, B, C, WL52, 14, KL3); RIP4(C, D, E, A, B, WL53, 15, KL3); RIP4(B, C, D, E, A, WL54, 9, KL3); RIP4(A, B, C, D, E, WL55, 8, KL3); RIP4(E, A, B, C, D, WL56, 9, KL3); RIP4(D, E, A, B, C, WL57, 14, KL3); RIP4(C, D, E, A, B, WL58, 5, KL3); RIP4(B, C, D, E, A, WL59, 6, KL3); RIP4(A, B, C, D, E, WL60, 8, KL3); RIP4(E, A, B, C, D, WL61, 6, KL3); RIP4(D, E, A, B, C, WL62, 5, KL3); RIP4(C, D, E, A, B, WL63, 12, KL3); RIP5(B, C, D, E, A, WL64, 9, KL4); RIP5(A, B, C, D, E, WL65, 15, KL4); RIP5(E, A, B, C, D, WL66, 5, KL4); RIP5(D, E, A, B, C, WL67, 11, KL4); RIP5(C, D, E, A, B, WL68, 6, KL4); RIP5(B, C, D, E, A, WL69, 8, KL4); RIP5(A, B, C, D, E, WL70, 13, KL4); RIP5(E, A, B, C, D, WL71, 12, KL4); RIP5(D, E, A, B, C, WL72, 5, KL4); RIP5(C, D, E, A, B, WL73, 12, KL4); RIP5(B, C, D, E, A, WL74, 13, KL4); RIP5(A, B, C, D, E, WL75, 14, KL4); RIP5(E, A, B, C, D, WL76, 11, KL4); RIP5(D, E, A, B, C, WL77, 8, KL4); RIP5(C, D, E, A, B, WL78, 5, KL4); RIP5(B, C, D, E, A, WL79, 6, KL4); a = A; b = B; c = C; d = D; e = E; /* Do other half */ A = ctx->A; B = ctx->B; C = ctx->C; D = ctx->D; E = ctx->E; RIP5(A, B, C, D, E, WR00, 8, KR0); RIP5(E, A, B, C, D, WR01, 9, KR0); RIP5(D, E, A, B, C, WR02, 9, KR0); RIP5(C, D, E, A, B, WR03, 11, KR0); RIP5(B, C, D, E, A, WR04, 13, KR0); RIP5(A, B, C, D, E, WR05, 15, KR0); RIP5(E, A, B, C, D, WR06, 15, KR0); RIP5(D, E, A, B, C, WR07, 5, KR0); RIP5(C, D, E, A, B, WR08, 7, KR0); RIP5(B, C, D, E, A, WR09, 7, KR0); RIP5(A, B, C, D, E, WR10, 8, KR0); RIP5(E, A, B, C, D, WR11, 11, KR0); RIP5(D, E, A, B, C, WR12, 14, KR0); RIP5(C, D, E, A, B, WR13, 14, KR0); RIP5(B, C, D, E, A, WR14, 12, KR0); RIP5(A, B, C, D, E, WR15, 6, KR0); RIP4(E, A, B, C, D, WR16, 9, KR1); RIP4(D, E, A, B, C, WR17, 13, KR1); RIP4(C, D, E, A, B, WR18, 15, KR1); RIP4(B, C, D, E, A, WR19, 7, KR1); RIP4(A, B, C, D, E, WR20, 12, KR1); RIP4(E, A, B, C, D, WR21, 8, KR1); RIP4(D, E, A, B, C, WR22, 9, KR1); RIP4(C, D, E, A, B, WR23, 11, KR1); RIP4(B, C, D, E, A, WR24, 7, KR1); RIP4(A, B, C, D, E, WR25, 7, KR1); RIP4(E, A, B, C, D, WR26, 12, KR1); RIP4(D, E, A, B, C, WR27, 7, KR1); RIP4(C, D, E, A, B, WR28, 6, KR1); RIP4(B, C, D, E, A, WR29, 15, KR1); RIP4(A, B, C, D, E, WR30, 13, KR1); RIP4(E, A, B, C, D, WR31, 11, KR1); RIP3(D, E, A, B, C, WR32, 9, KR2); RIP3(C, D, E, A, B, WR33, 7, KR2); RIP3(B, C, D, E, A, WR34, 15, KR2); RIP3(A, B, C, D, E, WR35, 11, KR2); RIP3(E, A, B, C, D, WR36, 8, KR2); RIP3(D, E, A, B, C, WR37, 6, KR2); RIP3(C, D, E, A, B, WR38, 6, KR2); RIP3(B, C, D, E, A, WR39, 14, KR2); RIP3(A, B, C, D, E, WR40, 12, KR2); RIP3(E, A, B, C, D, WR41, 13, KR2); RIP3(D, E, A, B, C, WR42, 5, KR2); RIP3(C, D, E, A, B, WR43, 14, KR2); RIP3(B, C, D, E, A, WR44, 13, KR2); RIP3(A, B, C, D, E, WR45, 13, KR2); RIP3(E, A, B, C, D, WR46, 7, KR2); RIP3(D, E, A, B, C, WR47, 5, KR2); RIP2(C, D, E, A, B, WR48, 15, KR3); RIP2(B, C, D, E, A, WR49, 5, KR3); RIP2(A, B, C, D, E, WR50, 8, KR3); RIP2(E, A, B, C, D, WR51, 11, KR3); RIP2(D, E, A, B, C, WR52, 14, KR3); RIP2(C, D, E, A, B, WR53, 14, KR3); RIP2(B, C, D, E, A, WR54, 6, KR3); RIP2(A, B, C, D, E, WR55, 14, KR3); RIP2(E, A, B, C, D, WR56, 6, KR3); RIP2(D, E, A, B, C, WR57, 9, KR3); RIP2(C, D, E, A, B, WR58, 12, KR3); RIP2(B, C, D, E, A, WR59, 9, KR3); RIP2(A, B, C, D, E, WR60, 12, KR3); RIP2(E, A, B, C, D, WR61, 5, KR3); RIP2(D, E, A, B, C, WR62, 15, KR3); RIP2(C, D, E, A, B, WR63, 8, KR3); RIP1(B, C, D, E, A, WR64, 8); RIP1(A, B, C, D, E, WR65, 5); RIP1(E, A, B, C, D, WR66, 12); RIP1(D, E, A, B, C, WR67, 9); RIP1(C, D, E, A, B, WR68, 12); RIP1(B, C, D, E, A, WR69, 5); RIP1(A, B, C, D, E, WR70, 14); RIP1(E, A, B, C, D, WR71, 6); RIP1(D, E, A, B, C, WR72, 8); RIP1(C, D, E, A, B, WR73, 13); RIP1(B, C, D, E, A, WR74, 6); RIP1(A, B, C, D, E, WR75, 5); RIP1(E, A, B, C, D, WR76, 15); RIP1(D, E, A, B, C, WR77, 13); RIP1(C, D, E, A, B, WR78, 11); RIP1(B, C, D, E, A, WR79, 11); D = ctx->B + c + D; ctx->B = ctx->C + d + E; ctx->C = ctx->D + e + A; ctx->D = ctx->E + a + B; ctx->E = ctx->A + b + C; ctx->A = D; } } #endif unsigned char * RIPEMD160(const unsigned char *d, size_t n, unsigned char *md) { RIPEMD160_CTX c; static unsigned char m[RIPEMD160_DIGEST_LENGTH]; if (md == NULL) md = m; if (!RIPEMD160_Init(&c)) return NULL; RIPEMD160_Update(&c, d, n); RIPEMD160_Final(md, &c); explicit_bzero(&c, sizeof(c)); return (md); }