/*-
?*?Copyright?（c）?2001-2003?Allan?Saddi?
?*?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?ALLAN?SADDI?AND?HIS?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?ALLAN?SADDI?OR?HIS?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.
?*
?*?$Id:?sha256.c?680?2003-07-25?21:57:49Z?asaddi?$
?*/

/*
?*?Define?WORDS_BIGENDIAN?if?compiling?on?a?big-endian?architecture.
?*
?*?Define?SHA256_TEST?to?test?the?implementation?using?the?NIST‘s
?*?sample?messages.?The?output?should?be:
?*
?*???ba7816bf?8f01cfea?414140de?5dae2223?b00361a3?96177a9c?b410ff61?f20015ad
?*???248d6a61?d20638b8?e5c02693?0c3e6039?a33ce459?64ff2167?f6ecedd4?19db06c1
?*???cdc76e5c?9914fb92?81a1c7e2?84d73e67?f1809a48?a497200e?046d39cc?c7112cd0
?*/

#include?
#include?“newsha256.h“

#ifndef?lint
static?const?char?rcsid[]?=
	“$Id:?sha256.c?680?2003-07-25?21:57:49Z?asaddi?$“;
#endif?/*?!lint?*/

#define?ROTL（x?n）?（（（x）?<>?（32?-?（n））））
#define?ROTR（x?n）?（（（x）?>>?（n））?|?（（x）?<
#define?Ch（x?y?z）?（（z）?^?（（x）?&?（（y）?^?（z））））
#define?Maj（x?y?z）?（（（x）?&?（（y）?|?（z）））?|?（（y）?&?（z）））
#define?SIGMA0（x）?（ROTR（（x）?2）?^?ROTR（（x）?13）?^?ROTR（（x）?22））
#define?SIGMA1（x）?（ROTR（（x）?6）?^?ROTR（（x）?11）?^?ROTR（（x）?25））
#define?sigma0（x）?（ROTR（（x）?7）?^?ROTR（（x）?18）?^?（（x）?>>?3））
#define?sigma1（x）?（ROTR（（x）?17）?^?ROTR（（x）?19）?^?（（x）?>>?10））

#define?DO_ROUND（）?{?\
??t1?=?h?+?SIGMA1（e）?+?Ch（e?f?g）?+?*（Kp++）?+?*（W++）;?\
??t2?=?SIGMA0（a）?+?Maj（a?b?c）;?\
??h?=?g;?\
??g?=?f;?\
??f?=?e;?\
??e?=?d?+?t1;?\
??d?=?c;?\
??c?=?b;?\
??b?=?a;?\
??a?=?t1?+?t2;?\
}

static?const?uint32_t?K[64]?=?{
??0x428a2f98L?0x71374491L?0xb5c0fbcfL?0xe9b5dba5L
??0x3956c25bL?0x59f111f1L?0x923f82a4L?0xab1c5ed5L
??0xd807aa98L?0x12835b01L?0x243185beL?0x550c7dc3L
??0x72be5d74L?0x80deb1feL?0x9bdc06a7L?0xc19bf174L
??0xe49b69c1L?0xefbe4786L?0x0fc19dc6L

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12353??2009-12-10?17:16??newsha256.c

?????文件???????2342??2009-12-10?17:15??newsha256.h

-----------?---------??----------?-----??----

????????????????14695????????????????????2