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/*
* Copyright (c) 2003 Rozhuk Ivan <rozhuk.im@gmail.com>
* All rights reserved.
*
* 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 above 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
*
*/
#if !defined(AFX__SHA1_H__INCLUDED_)
#define AFX__SHA1_H__INCLUDED_
#pragma once
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
//////////////////////////////RFC 2104//////////////////////////////
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
__inline DWORD BSWAP(DWORD dwIn)
{
return((((dwIn<<8) & 0x00ff0000) | (dwIn<<24) | ((dwIn>>8) & 0x0000ff00) | (dwIn>>24)));
}
__inline void CopyMemoryReverseDWORD(LPCVOID lpcDestination,LPCVOID lpcSource,size_t dwSize)
{
#ifdef _WIN64
BYTE *pDestination=(BYTE*)lpcDestination,*pSource=(BYTE*)lpcSource;
//for(size_t i=0;i<dwSize;i++) pDestination[i]=pSource[(i&~0x00000003)+(3-(i&0x00000003))];
for(size_t i=0;i<dwSize;i+=4) (*((DWORD*)(pDestination+i)))=BSWAP((*((DWORD*)(pSource+i))));
#else
__asm{
push edi // ñîõðàíÿåì ðåãèñòð
push esi // ñîõðàíÿåì ðåãèñòð
mov ecx,dwSize // ecx = äëèííà âõîäíîãî áóôôåðà
mov edi,lpcDestination // edi = àäðåñ âûõîäíîãî áóôôåðà
mov esi,lpcSource // esi = óêàçàòåëü íà âõîäíîé áóôôåð
cld
read_loop:
lodsd // ÷èòàåì 4 áàéòà
bswap eax
stosd
sub ecx,4
jg short read_loop // åñëè äëèííà 3 è áîëåå áàéò, òî ïðîäîëæàåì äàëüøå
pop esi // âîññòàíàâëèâàåì ñîäåðæèìîå ðåãèñòðà
pop edi // âîññòàíàâëèâàåì ñîäåðæèìîå ðåãèñòðà
}
#endif
}
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
__inline void SHA1GetDigest(LPVOID lpBuff,size_t dwBuffSize,BYTE *digest)
{
mir_sha1_ctx sha;
mir_sha1_init(&sha);
mir_sha1_append(&sha,(BYTE*)lpBuff,dwBuffSize);
mir_sha1_finish(&sha,digest);
}
#endif //AFX__SHA1_H__INCLUDED_
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