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217 lines
7.0 KiB
C
217 lines
7.0 KiB
C
/* crypto/ripemd/rmd_locl.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include "ripemd.h"
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#undef c2nl
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#define c2nl(c,l) (l =(((u_int32_t)(*((c)++)))<<24), \
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l|=(((u_int32_t)(*((c)++)))<<16), \
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l|=(((u_int32_t)(*((c)++)))<< 8), \
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l|=(((u_int32_t)(*((c)++))) ))
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#undef p_c2nl
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#define p_c2nl(c,l,n) { \
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switch (n) { \
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case 0: l =((u_int32_t)(*((c)++)))<<24; \
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case 1: l|=((u_int32_t)(*((c)++)))<<16; \
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case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
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case 3: l|=((u_int32_t)(*((c)++))); \
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} \
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}
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#undef c2nl_p
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/* NOTE the pointer is not incremented at the end of this */
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#define c2nl_p(c,l,n) { \
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l=0; \
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(c)+=n; \
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switch (n) { \
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case 3: l =((u_int32_t)(*(--(c))))<< 8; \
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case 2: l|=((u_int32_t)(*(--(c))))<<16; \
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case 1: l|=((u_int32_t)(*(--(c))))<<24; \
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} \
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}
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#undef p_c2nl_p
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#define p_c2nl_p(c,l,sc,len) { \
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switch (sc) \
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{ \
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case 0: l =((u_int32_t)(*((c)++)))<<24; \
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if (--len == 0) break; \
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case 1: l|=((u_int32_t)(*((c)++)))<<16; \
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if (--len == 0) break; \
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case 2: l|=((u_int32_t)(*((c)++)))<< 8; \
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} \
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}
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#undef nl2c
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#define nl2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff))
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#undef c2l
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#define c2l(c,l) (l =(((u_int32_t)(*((c)++))) ), \
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l|=(((u_int32_t)(*((c)++)))<< 8), \
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l|=(((u_int32_t)(*((c)++)))<<16), \
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l|=(((u_int32_t)(*((c)++)))<<24))
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#undef p_c2l
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#define p_c2l(c,l,n) { \
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switch (n) { \
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case 0: l =((u_int32_t)(*((c)++))); \
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case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
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case 2: l|=((u_int32_t)(*((c)++)))<<16; \
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case 3: l|=((u_int32_t)(*((c)++)))<<24; \
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} \
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}
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#undef c2l_p
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/* NOTE the pointer is not incremented at the end of this */
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#define c2l_p(c,l,n) { \
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l=0; \
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(c)+=n; \
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switch (n) { \
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case 3: l =((u_int32_t)(*(--(c))))<<16; \
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case 2: l|=((u_int32_t)(*(--(c))))<< 8; \
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case 1: l|=((u_int32_t)(*(--(c)))); \
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} \
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}
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#undef p_c2l_p
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#define p_c2l_p(c,l,sc,len) { \
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switch (sc) \
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{ \
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case 0: l =((u_int32_t)(*((c)++))); \
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if (--len == 0) break; \
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case 1: l|=((u_int32_t)(*((c)++)))<< 8; \
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if (--len == 0) break; \
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case 2: l|=((u_int32_t)(*((c)++)))<<16; \
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} \
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}
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#undef l2c
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#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff))
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#undef ROTATE
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#if defined(WIN32)
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#define ROTATE(a,n) _lrotl(a,n)
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#else
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#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
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#endif
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/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
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#if defined(WIN32)
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/* 5 instructions with rotate instruction, else 9 */
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#define Endian_Reverse32(a) \
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{ \
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u_int32_t l=(a); \
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(a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
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}
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#else
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/* 6 instructions with rotate instruction, else 8 */
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#define Endian_Reverse32(a) \
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{ \
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u_int32_t l=(a); \
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l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
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(a)=ROTATE(l,16L); \
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}
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#endif
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#define F1(x,y,z) ((x)^(y)^(z))
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#define F2(x,y,z) (((x)&(y))|((~x)&z))
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#define F3(x,y,z) (((x)|(~y))^(z))
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#define F4(x,y,z) (((x)&(z))|((y)&(~(z))))
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#define F5(x,y,z) ((x)^((y)|(~(z))))
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#define RIPEMD160_A 0x67452301L
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#define RIPEMD160_B 0xEFCDAB89L
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#define RIPEMD160_C 0x98BADCFEL
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#define RIPEMD160_D 0x10325476L
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#define RIPEMD160_E 0xC3D2E1F0L
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#include "rmdconst.h"
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#define RIP1(a,b,c,d,e,w,s) { \
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a+=F1(b,c,d)+X[w]; \
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a=ROTATE(a,s)+e; \
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c=ROTATE(c,10); }
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#define RIP2(a,b,c,d,e,w,s,K) { \
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a+=F2(b,c,d)+X[w]+K; \
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a=ROTATE(a,s)+e; \
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c=ROTATE(c,10); }
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#define RIP3(a,b,c,d,e,w,s,K) { \
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a+=F3(b,c,d)+X[w]+K; \
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a=ROTATE(a,s)+e; \
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c=ROTATE(c,10); }
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#define RIP4(a,b,c,d,e,w,s,K) { \
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a+=F4(b,c,d)+X[w]+K; \
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a=ROTATE(a,s)+e; \
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c=ROTATE(c,10); }
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#define RIP5(a,b,c,d,e,w,s,K) { \
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a+=F5(b,c,d)+X[w]+K; \
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a=ROTATE(a,s)+e; \
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c=ROTATE(c,10); }
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