//?Present.cpp?:?Defines?the?entry?point?for?the?console?application.
//
/*
?*?Copyright?（c）?2010?Department?of?Computer?Engineering?Ordnance?Engineering?College
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?*
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?*?modification?are?permitted?provided?that?the?following?conditions
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?*???the?documentation?and/or?other?materials?provided?with?the
?*???distribution.
?*?-?Neither?the?name?of?the?Department?of?Computer?Engineering?
?*?Ordnance?Engineering?College?nor?the??names?of?its?contributors
?*?may?be?used?to?endorse?or?promote?products?derived?from?this?software
?*??without?specific?prior?written?permission.
?*
?*?THIS?SOFTWARE?IS?PROVIDED?BY?THE?COPYRIGHT?HOLDERS?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
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?*?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?core?function?of?PRESENT?block?cipher.
?*
?*?@author?Xinjie?ZHAO
?*?@Email?zhaoxinjieem@163.com?
?*?@date???May?20?2010
?*/

#include?“stdafx.h“
#include?“stdlib.h“
#include?
#include?
typedef?unsigned?char?Byte;
static?const?Byte?Sbox[16]?=?{
	0x0c?0x05?0x06?0x0b?
	0x09?0x00?0x0a?0x0d?
	0x03?0x0e?0x0f?0x08?
	0x04?0x07?0x01?0x02
};
static?const?Byte?DSbox[16]?=?{
	0x050x0e?0x0f?0x08?
	0x0c0x01?0x02?0x0d?
	0x0b0x04?0x06?0x03
	0x000x07?0x09?0x0a??
};
static??Byte?Px[64]={
	0163248117334921834503193551
	4203652521375362238547233955
????824405692541571026425811274359
	12284460132945611430466215314763
};
static??Byte?rPx[64]={
	04812162024283236404448525660
	15913172125293337414549535761
	261014182226303438424650545862
	371115192327313539434751555963
};
static??Byte?testPx[8]={
	76543210
};

void?printblock（const?Byte?*bint?nlenth）
{
???for（int?i=0;i	printf（“%2x??“?b[i]）;
}
//S盒
void?Sub_bytes（Byte?*s）
{
	Byte?t[16];
	int?i;
	memset（t016）;
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6249??2011-05-02?22:01??PRESENT（2007年提出）.cpp