+++ /dev/null
-/* crypto/sha/sha_sgst.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 <stdlib.h>
-#include <string.h>
-
-#ifdef undef
-/* one or the other needs to be defined */
-#ifndef SHA_1 /* FIPE 180-1 */
-#define SHA_0 /* FIPS 180 */
-#endif
-#endif
-
-#undef c2nl
-#define c2nl(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
- l|=(((unsigned long)(*((c)++)))<<16), \
- l|=(((unsigned long)(*((c)++)))<< 8), \
- l|=(((unsigned long)(*((c)++))) ))
-
-#undef p_c2nl
-#define p_c2nl(c,l,n) { \
- switch (n) { \
- case 0: l =((unsigned long)(*((c)++)))<<24; \
- case 1: l|=((unsigned long)(*((c)++)))<<16; \
- case 2: l|=((unsigned long)(*((c)++)))<< 8; \
- case 3: l|=((unsigned long)(*((c)++))); \
- } \
- }
-
-#undef c2nl_p
-/* NOTE the pointer is not incremented at the end of this */
-#define c2nl_p(c,l,n) { \
- l=0; \
- (c)+=n; \
- switch (n) { \
- case 3: l =((unsigned long)(*(--(c))))<< 8; \
- case 2: l|=((unsigned long)(*(--(c))))<<16; \
- case 1: l|=((unsigned long)(*(--(c))))<<24; \
- } \
- }
-
-#undef p_c2nl_p
-#define p_c2nl_p(c,l,sc,len) { \
- switch (sc) \
- { \
- case 0: l =((unsigned long)(*((c)++)))<<24; \
- if (--len == 0) break; \
- case 1: l|=((unsigned long)(*((c)++)))<<16; \
- if (--len == 0) break; \
- case 2: l|=((unsigned long)(*((c)++)))<< 8; \
- } \
- }
-
-#undef nl2c
-#define nl2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16)&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
- *((c)++)=(unsigned char)(((l) )&0xff))
-
-#undef c2l
-#define c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
- l|=(((unsigned long)(*((c)++)))<< 8), \
- l|=(((unsigned long)(*((c)++)))<<16), \
- l|=(((unsigned long)(*((c)++)))<<24))
-
-#undef p_c2l
-#define p_c2l(c,l,n) { \
- switch (n) { \
- case 0: l =((unsigned long)(*((c)++))); \
- case 1: l|=((unsigned long)(*((c)++)))<< 8; \
- case 2: l|=((unsigned long)(*((c)++)))<<16; \
- case 3: l|=((unsigned long)(*((c)++)))<<24; \
- } \
- }
-
-#undef c2l_p
-/* NOTE the pointer is not incremented at the end of this */
-#define c2l_p(c,l,n) { \
- l=0; \
- (c)+=n; \
- switch (n) { \
- case 3: l =((unsigned long)(*(--(c))))<<16; \
- case 2: l|=((unsigned long)(*(--(c))))<< 8; \
- case 1: l|=((unsigned long)(*(--(c)))); \
- } \
- }
-
-#undef p_c2l_p
-#define p_c2l_p(c,l,sc,len) { \
- switch (sc) \
- { \
- case 0: l =((unsigned long)(*((c)++))); \
- if (--len == 0) break; \
- case 1: l|=((unsigned long)(*((c)++)))<< 8; \
- if (--len == 0) break; \
- case 2: l|=((unsigned long)(*((c)++)))<<16; \
- } \
- }
-
-#undef l2c
-#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16)&0xff), \
- *((c)++)=(unsigned char)(((l)>>24)&0xff))
-
-#undef ROTATE
-#if defined(WIN32)
-#define ROTATE(a,n) _lrotl(a,n)
-#else
-#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
-#endif
-
-/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
-#if defined(WIN32)
-/* 5 instructions with rotate instruction, else 9 */
-#define Endian_Reverse32(a) \
- { \
- unsigned long l=(a); \
- (a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
- }
-#else
-/* 6 instructions with rotate instruction, else 8 */
-#define Endian_Reverse32(a) \
- { \
- unsigned long l=(a); \
- l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
- (a)=ROTATE(l,16L); \
- }
-#endif
-
-/* As pointed out by Wei Dai <weidai@eskimo.com>, F() below can be
- * simplified to the code in F_00_19. Wei attributes these optimisations
- * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
- * #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
- * I've just become aware of another tweak to be made, again from Wei Dai,
- * in F_40_59, (x&a)|(y&a) -> (x|y)&a
- */
-#define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
-#define F_20_39(b,c,d) ((b) ^ (c) ^ (d))
-#define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d)))
-#define F_60_79(b,c,d) F_20_39(b,c,d)
-
-#ifdef SHA_0
-#undef Xupdate
-#define Xupdate(a,i,ia,ib,ic,id) X[(i)&0x0f]=(a)=\
- (ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]);
-#endif
-#ifdef SHA_1
-#undef Xupdate
-#define Xupdate(a,i,ia,ib,ic,id) (a)=\
- (ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]);\
- X[(i)&0x0f]=(a)=ROTATE((a),1);
-#endif
-
-#define BODY_00_15(i,a,b,c,d,e,f,xa) \
- (f)=xa[i]+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
-#define BODY_16_19(i,a,b,c,d,e,f,xa,xb,xc,xd) \
- Xupdate(f,i,xa,xb,xc,xd); \
- (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
-#define BODY_20_31(i,a,b,c,d,e,f,xa,xb,xc,xd) \
- Xupdate(f,i,xa,xb,xc,xd); \
- (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
-#define BODY_32_39(i,a,b,c,d,e,f,xa) \
- Xupdate(f,i,xa,xa,xa,xa); \
- (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
-#define BODY_40_59(i,a,b,c,d,e,f,xa) \
- Xupdate(f,i,xa,xa,xa,xa); \
- (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
-#define BODY_60_79(i,a,b,c,d,e,f,xa) \
- Xupdate(f,i,xa,xa,xa,xa); \
- (f)=X[(i)&0x0f]+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
- (b)=ROTATE((b),30);
-
projects / openssl.git / commitdiff