//?base64.cpp:?implementation?of?the?base64?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“SMTP.h“
#include?“base64.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////



string?base64::Encode（const?unsigned?char?*str?int?length）
{
		//編碼表
	const?char?EncodeTable[]=“ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/“;

	//返回值
	string?strEncode;

	unsigned?char?Tmp[3]={0};
	int?LineLength=0L=length/3;

	for（int?i=0;i	{
????????Tmp[0]?=?*str++;
????????Tmp[1]?=?*str++;
????????Tmp[2]?=?*str++;

????????strEncode+=?EncodeTable[Tmp[0]?>>?2];
????????strEncode+=?EncodeTable[（（Tmp[0]?<>?4））?&?0x3F];
????????strEncode+=?EncodeTable[（（Tmp[1]?<>?6））?&?0x3F];
????????strEncode+=?EncodeTable[Tmp[2]?&?0x3F];
		if（LineLength+=4LineLength==76）?
		{
			strEncode+=“\r\n“;
			LineLength=0;
		}
	}

	//對剩余數據進行編碼
	int?Mod=length?%?3;
	if（Mod==1）
	{
????????Tmp[0]?=?*str++;
????????strEncode+=?EncodeTable[（Tmp[0]?&?0xFC）?>>?2];//	取前6位，最高位補2個0
????????strEncode+=?EncodeTable[（（Tmp[0]?&?0x03）?<????????strEncode+=?“==“;
	}
	else?if（Mod==2）
	{
		Tmp[0]?=?*str++;
		Tmp[1]?=?*str++;
		strEncode+=?EncodeTable[（Tmp[0]?&?0xFC）?>>?2];
		strEncode+=?EncodeTable[（（Tmp[0]?&?0x03）?<>?4）];
		strEncode+=?EncodeTable[（（Tmp[1]?&?0x0F）?<		strEncode+=?“=“;
	}
	
	return?strEncode;
}

string?base64::Decode（const?char?*str?int?length?int?&outlength）
{
	//解碼表
	const?char?DecodeTable[]?=
	{
		0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0
		0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0
		62?//?‘+‘
		0?0?0
		63?//?‘/‘
		52?53?54?55?56?57?58?59?60?61?//?‘0‘-‘9‘
		0?0?0?0?0?0?0
		0?1?2?3?4?5?6?7?8?9?10?11?12
		13?14?15?16?17?18?19?20?21?22?23?24?25?//?‘A‘-‘Z‘
		0?0?0?0?0?0
		26?27?28?29?30?31?32?33?34?35?36?37?38
		39?40?41?42?43?44?45?46?47?48?49?50?51?//?‘a‘-‘z‘
	};

	//返回值
	string?strDecode;

????int?nValue;
????int?i=?0;
?
????while?（i?????{
????????if?（*str?!=?‘\r‘?&&?*str!=‘\n‘）
????????{
????????????nValue?=?DecodeTable[*str++]?<????????????nValue?+=?DecodeTable[*str++]?<			strDecode+=（nValue?&?0x00FF0000）?>>?16;
????????????outlength++;
?
????????????if?（*str?!=?‘=‘）
????????????{
????????????????nValue?+=?DecodeTable[*str++]?<				strDecode+=（nValue?&?0x0000FF00）?>>?8;
????????????????outlength++;
?
????????????????if?（*str?!=?‘=‘）
????????????????{
????????????????????nValue?+=?DecodeTable[*str++];
					strDecode+=nValue?&?0x000

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

?????文件?????839734??2015-12-05?21:54??郵件客戶端.exe

?????文件???????3277??2015-12-05?17:48??源程序\base64.cpp

?????文件????????609??2015-12-01?09:27??源程序\base64.h

?????文件???????3847??2015-12-04?22:12??源程序\BLACK.cpp

?????文件???????1239??2015-12-04?21:50??源程序\BLACK.h

?????文件???????2011??2015-12-05?09:07??源程序\CCONTENT.cpp

?????文件???????1217??2015-12-05?09:06??源程序\CCONTENT.h

?????文件??????21919??2015-12-05?17:48??源程序\Debug\base64.obj

?????文件?????283421??2015-12-05?17:48??源程序\Debug\base64.sbr

?????文件??????38421??2015-12-04?22:14??源程序\Debug\BLACK.obj

?????文件?????298835??2015-12-04?22:14??源程序\Debug\BLACK.sbr

?????文件??????26899??2015-12-05?19:44??源程序\Debug\CCONTENT.obj

?????文件?????286377??2015-12-05?19:44??源程序\Debug\CCONTENT.sbr

?????文件??????58441??2015-12-05?21:52??源程序\Debug\POP3.obj

?????文件?????288804??2015-12-05?21:52??源程序\Debug\POP3.sbr

?????文件????4228096??2015-12-02?19:35??源程序\Debug\SMTP.bsc

?????文件?????839734??2015-12-05?21:54??源程序\Debug\SMTP.exe

?????文件?????684648??2015-12-05?21:54??源程序\Debug\SMTP.ilk

?????文件??????89852??2015-12-05?21:52??源程序\Debug\SMTP.obj

?????文件????6875660??2015-12-04?11:09??源程序\Debug\SMTP.pch

?????文件?????656384??2015-12-05?21:54??源程序\Debug\SMTP.pdb

?????文件?????549604??2015-12-05?09:00??源程序\Debug\SMTP.res

?????文件?????294020??2015-12-05?21:52??源程序\Debug\SMTP.sbr

?????文件?????132463??2015-12-05?21:54??源程序\Debug\SMTPDlg.obj

?????文件?????312092??2015-12-05?21:54??源程序\Debug\SMTPDlg.sbr

?????文件?????105363??2015-12-04?11:09??源程序\Debug\StdAfx.obj

?????文件????1371800??2015-12-04?11:09??源程序\Debug\StdAfx.sbr

?????文件?????328704??2015-12-05?21:54??源程序\Debug\vc60.idb

?????文件?????479232??2015-12-05?21:54??源程序\Debug\vc60.pdb

?????文件??????38417??2015-12-04?22:14??源程序\Debug\WHITE.obj

............此處省略33個文件信息