diff options
author | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:56:39 +0000 |
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committer | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:56:39 +0000 |
commit | 58964a492275ca9a59a0cd9c8155cb2491b4b909 (patch) | |
tree | c7b16876a5789463bbbb468ef4829c8129b3d718 /crypto/ripemd/rmd_dgst.c | |
parent | d02b48c63a58ea4367a0e905979f140b7d090f86 (diff) | |
download | openssl-58964a492275ca9a59a0cd9c8155cb2491b4b909.tar.gz |
Import of old SSLeay release: SSLeay 0.9.0b
Diffstat (limited to 'crypto/ripemd/rmd_dgst.c')
-rw-r--r-- | crypto/ripemd/rmd_dgst.c | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/crypto/ripemd/rmd_dgst.c b/crypto/ripemd/rmd_dgst.c new file mode 100644 index 0000000000..210de1977d --- /dev/null +++ b/crypto/ripemd/rmd_dgst.c @@ -0,0 +1,535 @@ +/* crypto/ripemd/rmd_dgst.c */ +/* 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 <stdio.h> +#include "rmd_locl.h" + +char *RMD160_version="RIPEMD160 part of SSLeay 0.9.0b 29-Jun-1998"; + +#ifndef NOPROTO +# ifdef RMD160_ASM + void ripemd160_block_x86(RIPEMD160_CTX *c, unsigned long *p,int num); +# define ripemd160_block ripemd160_block_x86 +# else + void ripemd160_block(RIPEMD160_CTX *c, unsigned long *p,int num); +# endif +#else +# ifdef RMD160_ASM + void ripemd160_block_x86(); +# define ripemd160_block ripemd160_block_x86 +# else + static void ripemd160_block(); +# endif +#endif + +void RIPEMD160_Init(c) +RIPEMD160_CTX *c; + { + c->A=RIPEMD160_A; + c->B=RIPEMD160_B; + c->C=RIPEMD160_C; + c->D=RIPEMD160_D; + c->E=RIPEMD160_E; + c->Nl=0; + c->Nh=0; + c->num=0; + } + +void RIPEMD160_Update(c, data, len) +RIPEMD160_CTX *c; +register unsigned char *data; +unsigned long len; + { + register ULONG *p; + int sw,sc; + ULONG l; + + if (len == 0) return; + + l=(c->Nl+(len<<3))&0xffffffffL; + if (l < c->Nl) /* overflow */ + c->Nh++; + c->Nh+=(len>>29); + c->Nl=l; + + if (c->num != 0) + { + p=c->data; + sw=c->num>>2; + sc=c->num&0x03; + + if ((c->num+len) >= RIPEMD160_CBLOCK) + { + l= p[sw]; + p_c2l(data,l,sc); + p[sw++]=l; + for (; sw<RIPEMD160_LBLOCK; sw++) + { + c2l(data,l); + p[sw]=l; + } + len-=(RIPEMD160_CBLOCK-c->num); + + ripemd160_block(c,p,64); + c->num=0; + /* drop through and do the rest */ + } + else + { + int ew,ec; + + c->num+=(int)len; + if ((sc+len) < 4) /* ugly, add char's to a word */ + { + l= p[sw]; + p_c2l_p(data,l,sc,len); + p[sw]=l; + } + else + { + ew=(c->num>>2); + ec=(c->num&0x03); + l= p[sw]; + p_c2l(data,l,sc); + p[sw++]=l; + for (; sw < ew; sw++) + { c2l(data,l); p[sw]=l; } + if (ec) + { + c2l_p(data,l,ec); + p[sw]=l; + } + } + return; + } + } + /* we now can process the input data in blocks of RIPEMD160_CBLOCK + * chars and save the leftovers to c->data. */ +#ifdef L_ENDIAN + if ((((unsigned long)data)%sizeof(ULONG)) == 0) + { + sw=(int)len/RIPEMD160_CBLOCK; + if (sw > 0) + { + sw*=RIPEMD160_CBLOCK; + ripemd160_block(c,(ULONG *)data,sw); + data+=sw; + len-=sw; + } + } +#endif + p=c->data; + while (len >= RIPEMD160_CBLOCK) + { +#if defined(L_ENDIAN) || defined(B_ENDIAN) + if (p != (unsigned long *)data) + memcpy(p,data,RIPEMD160_CBLOCK); + data+=RIPEMD160_CBLOCK; +#ifdef B_ENDIAN + for (sw=(RIPEMD160_LBLOCK/4); sw; sw--) + { + Endian_Reverse32(p[0]); + Endian_Reverse32(p[1]); + Endian_Reverse32(p[2]); + Endian_Reverse32(p[3]); + p+=4; + } +#endif +#else + for (sw=(RIPEMD160_LBLOCK/4); sw; sw--) + { + c2l(data,l); *(p++)=l; + c2l(data,l); *(p++)=l; + c2l(data,l); *(p++)=l; + c2l(data,l); *(p++)=l; + } +#endif + p=c->data; + ripemd160_block(c,p,64); + len-=RIPEMD160_CBLOCK; + } + sc=(int)len; + c->num=sc; + if (sc) + { + sw=sc>>2; /* words to copy */ +#ifdef L_ENDIAN + p[sw]=0; + memcpy(p,data,sc); +#else + sc&=0x03; + for ( ; sw; sw--) + { c2l(data,l); *(p++)=l; } + c2l_p(data,l,sc); + *p=l; +#endif + } + } + +void RIPEMD160_Transform(c,b) +RIPEMD160_CTX *c; +unsigned char *b; + { + ULONG p[16]; +#if !defined(L_ENDIAN) + ULONG *q; + int i; +#endif + +#if defined(B_ENDIAN) || defined(L_ENDIAN) + memcpy(p,b,64); +#ifdef B_ENDIAN + q=p; + for (i=(RIPEMD160_LBLOCK/4); i; i--) + { + Endian_Reverse32(q[0]); + Endian_Reverse32(q[1]); + Endian_Reverse32(q[2]); + Endian_Reverse32(q[3]); + q+=4; + } +#endif +#else + q=p; + for (i=(RIPEMD160_LBLOCK/4); i; i--) + { + ULONG l; + c2l(b,l); *(q++)=l; + c2l(b,l); *(q++)=l; + c2l(b,l); *(q++)=l; + c2l(b,l); *(q++)=l; + } +#endif + ripemd160_block(c,p,64); + } + +#ifndef RMD160_ASM + +void ripemd160_block(ctx, X, num) +RIPEMD160_CTX *ctx; +register ULONG *X; +int num; + { + register ULONG A,B,C,D,E; + ULONG a,b,c,d,e; + + for (;;) + { + A=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E; + + RIP1(A,B,C,D,E,WL00,SL00); + RIP1(E,A,B,C,D,WL01,SL01); + RIP1(D,E,A,B,C,WL02,SL02); + RIP1(C,D,E,A,B,WL03,SL03); + RIP1(B,C,D,E,A,WL04,SL04); + RIP1(A,B,C,D,E,WL05,SL05); + RIP1(E,A,B,C,D,WL06,SL06); + RIP1(D,E,A,B,C,WL07,SL07); + RIP1(C,D,E,A,B,WL08,SL08); + RIP1(B,C,D,E,A,WL09,SL09); + RIP1(A,B,C,D,E,WL10,SL10); + RIP1(E,A,B,C,D,WL11,SL11); + RIP1(D,E,A,B,C,WL12,SL12); + RIP1(C,D,E,A,B,WL13,SL13); + 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=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E; + + 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 =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; + + X+=16; + num-=64; + if (num <= 0) break; + } + } +#endif + +void RIPEMD160_Final(md, c) +unsigned char *md; +RIPEMD160_CTX *c; + { + register int i,j; + register ULONG l; + register ULONG *p; + static unsigned char end[4]={0x80,0x00,0x00,0x00}; + unsigned char *cp=end; + + /* c->num should definitly have room for at least one more byte. */ + p=c->data; + j=c->num; + i=j>>2; + + /* purify often complains about the following line as an + * Uninitialized Memory Read. While this can be true, the + * following p_c2l macro will reset l when that case is true. + * This is because j&0x03 contains the number of 'valid' bytes + * already in p[i]. If and only if j&0x03 == 0, the UMR will + * occur but this is also the only time p_c2l will do + * l= *(cp++) instead of l|= *(cp++) + * Many thanks to Alex Tang <altitude@cic.net> for pickup this + * 'potential bug' */ +#ifdef PURIFY + if ((j&0x03) == 0) p[i]=0; +#endif + l=p[i]; + p_c2l(cp,l,j&0x03); + p[i]=l; + i++; + /* i is the next 'undefined word' */ + if (c->num >= RIPEMD160_LAST_BLOCK) + { + for (; i<RIPEMD160_LBLOCK; i++) + p[i]=0; + ripemd160_block(c,p,64); + i=0; + } + for (; i<(RIPEMD160_LBLOCK-2); i++) + p[i]=0; + p[RIPEMD160_LBLOCK-2]=c->Nl; + p[RIPEMD160_LBLOCK-1]=c->Nh; + ripemd160_block(c,p,64); + cp=md; + l=c->A; l2c(l,cp); + l=c->B; l2c(l,cp); + l=c->C; l2c(l,cp); + l=c->D; l2c(l,cp); + l=c->E; l2c(l,cp); + + /* clear stuff, ripemd160_block may be leaving some stuff on the stack + * but I'm not worried :-) */ + c->num=0; +/* memset((char *)&c,0,sizeof(c));*/ + } + +#ifdef undef +int printit(l) +unsigned long *l; + { + int i,ii; + + for (i=0; i<2; i++) + { + for (ii=0; ii<8; ii++) + { + fprintf(stderr,"%08lx ",l[i*8+ii]); + } + fprintf(stderr,"\n"); + } + } +#endif |