#include?“stdio.h“??
#include?“memory.h“??
#include?“time.h“??
#include?“stdlib.h“??

#define?PLAIN_FILE_OPEN_ERROR?-1??
#define?KEY_FILE_OPEN_ERROR?-2??
#define?CIPHER_FILE_OPEN_ERROR?-3??
#define?OK?1?

typedef?char?ElemType;??
//字節轉換成二進制
//因為加密是對每一位進行加密，故必須將每個字節拆分成二進制位??
int?ByteToBit_yihuo（ElemType?ch?ElemType?bit[8]）
{??
????int?cnt;??
????for（cnt?=?0;cnt?	{??
????????*（bit+cnt）?=?（ch>>cnt）&1;??
????}??
????return?0;??
}??
??
//二進制轉換成字節
//加密完成之后要對每一位進行合并，重新合并成字節才能用于數據流的傳輸??
int?BitToByte_yihuo（ElemType?bit[8]ElemType?*ch）
{??
????int?cnt;??
????for（cnt?=?0;cnt?	{??
????????*ch?|=?*（bit?+?cnt）<????}??
????return?0;??
}??
??
//將長度為8的字符串轉為二進制位串??
int?Char8ToBit64_yihuo（ElemType?ch[8]ElemType?bit[64]）
{??
????int?cnt;??
????for（cnt?=?0;?cnt?	{??????????
????????ByteToBit_yihuo（*（ch+cnt）bit+（cnt<<3））;??
????}??
????return?0;??
}??
??
//將二進制位串轉為長度為8的字符串??
int?Bit64ToChar8_yihuo（ElemType?bit[64]ElemType?ch[8]）
{??
????int?cnt;??
????memset（ch08）;??
????for（cnt?=?0;?cnt?	{??
????????BitToByte_yihuo（bit+（cnt<<3）ch+cnt）;??
????}??
????return?0;??
}??
////////////////////////////////////////////////////////////////////
//異或??
int?XOR（ElemType?R[64]?ElemType?L[64]?int?count）
{??
????int?cnt;??
????for（cnt?=?0;?cnt?	{??
????????R[cnt]?^=?L[cnt];??
????}??
????return?0;??
}
	///////////////////////////////////////////////////////////

//異或加密
int?YIHUO_Encrypt（char?*plainFile?char?*keyStrchar?*cipherFile）
{?
	FILE?*plain*cipher*key;??
???//?int?count;??
???//?ElemType?*plainBlock;
???//?ElemType?*keyBlock;
????ElemType?*keyBlock=new??ElemType?[8];
	ElemType?*plainBlock=new??ElemType?[8];
	ElemType?*cipherblock=new??ElemType?[8];
	//ElemType?*cipherblock;
????ElemType?bKey[64];??
	ElemType?bplain[64];??
	ElemType?bcipher[64];?
????if（（plain?=?fopen（plainFile“rb“））?==?NULL）{??
????????return?PLAIN_FILE_OPEN_ERROR;??
????}?????
????if（（cipher?=?fopen（cipherFile“wb“））?==?NULL）{??
????????return?CIPHER_FILE_OPEN_ERROR;??
????}??
	if（（key?=?fopen（keyStr“rb“））?==?NULL）{??
????????
		int?i=1;
		return?PLAIN_FILE_OPEN_ERROR;??
????}?????
	//int?i=1;
	fseek（plain00）;
	while（ftell（plain）!=64）
	{??
??????????//每次讀8個字節
??????????fread（keyBlock81key）;
		??//將密鑰轉換為二進制流?
??????????Char8ToBit64_yihuo（keyBlockbKey）;?
			//memcpy（keyBlockkeyStr8）;??
			?
		??//每次讀8個字節
??????????fread（plainBlock81plain）;
		??//將密鑰轉換為二進制流?
??????????Char8ToBit64_yihuo（plainBlockbplain）;?
			?//Char8ToBit64_yihuo（cipherBlockbplain）;?
			XOR（bplainbKey64）;

			//將二進制轉換為字節
			Bit64ToChar8_yihuo（bplaincipherblock）;

????????????//DES_EncryptBlock（plainBlocksubKeyscipherBlock）;??
????????????fwrite（cipherblock81cipher）;?????
		
			
		//	printf（“%d\n“i）;
????}??
???//?printf（“%d\n“i）;
????fclose（plain）;??
????fclose（cipher）;?
	fclose（key）;
	
????return?OK;??

}

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

?????文件????2134016??2012-12-01?13:52??劉彥剛100410421\劉彥剛?100410421?密碼學課程設計報告?.doc

?????文件??????38288??2012-11-30?10:59??劉彥剛100410421\量化系數加密\cc-DES-jiami.jpg

?????文件??????38288??2012-11-30?11:00??劉彥剛100410421\量化系數加密\cc-DES-jiemi.jpg

?????文件??????38288??2012-11-30?11:00??劉彥剛100410421\量化系數加密\cc-YIHUO-jiami.jpg

?????文件??????38288??2008-08-05?15:28??劉彥剛100410421\量化系數加密\cc-YIHUO-jiemi.jpg

?????文件??????38288??2008-08-05?15:28??劉彥剛100410421\量化系數加密\cc.jpg

?????文件??????21705??2012-11-29?14:55??劉彥剛100410421\量化系數加密\Debug\DES加密.obj

?????文件??????????0??2012-11-29?14:59??劉彥剛100410421\量化系數加密\Debug\DES加密.sbr

?????文件??????41984??2012-12-01?13:40??劉彥剛100410421\量化系數加密\Debug\vc60.idb

?????文件??????53248??2012-11-30?16:18??劉彥剛100410421\量化系數加密\Debug\vc60.pdb

?????文件???????6994??2012-11-30?16:18??劉彥剛100410421\量化系數加密\Debug\異或加密.obj

?????文件???????9411??2012-11-29?16:20??劉彥剛100410421\量化系數加密\Debug\異或加密.sbr

?????文件??????22928??2012-12-01?13:33??劉彥剛100410421\量化系數加密\Debug\量化系數.obj

?????文件??????????0??2012-11-29?16:18??劉彥剛100410421\量化系數加密\Debug\量化系數.sbr

?????文件??????91136??2012-11-29?16:18??劉彥剛100410421\量化系數加密\Debug\量化系數加密.bsc

?????文件?????209002??2012-12-01?13:33??劉彥剛100410421\量化系數加密\Debug\量化系數加密.exe

?????文件?????222392??2012-12-01?13:33??劉彥剛100410421\量化系數加密\Debug\量化系數加密.ilk

?????文件?????203724??2012-11-29?16:43??劉彥剛100410421\量化系數加密\Debug\量化系數加密.pch

?????文件?????517120??2012-11-30?16:18??劉彥剛100410421\量化系數加密\Debug\量化系數加密.pdb

?????文件?????????48??2012-12-01?13:35??劉彥剛100410421\量化系數加密\DES-key.txt

?????文件?????????64??2012-12-01?13:40??劉彥剛100410421\量化系數加密\DES-mingwen-jiemi.txt

?????文件?????????64??2012-12-01?13:35??劉彥剛100410421\量化系數加密\DES-mingwen.txt

?????文件?????????64??2012-12-01?13:35??劉彥剛100410421\量化系數加密\DES-miwen.txt

?????文件??????15959??2012-11-29?14:55??劉彥剛100410421\量化系數加密\DES加密.CPP

?????文件??????32443??2012-12-01?13:35??劉彥剛100410421\量化系數加密\HIT-DES-jiami.jpg

?????文件??????32443??2012-12-01?13:40??劉彥剛100410421\量化系數加密\HIT-DES-jiemi.jpg

?????文件??????32443??2012-11-30?11:03??劉彥剛100410421\量化系數加密\HIT-YIHUO-jiami.jpg

?????文件??????32443??2012-11-29?02:15??劉彥剛100410421\量化系數加密\HIT-YIHUO-jiemi.jpg

?????文件??????32443??2012-11-29?02:15??劉彥剛100410421\量化系數加密\HIT.jpg

?????文件?????????64??2012-11-29?15:37??劉彥剛100410421\量化系數加密\YIHUO-key.txt

............此處省略17個文件信息