header.cpp

aes的原代码

#include "StdAfx.h"
#include ".\header.h"
/**
 * 公共构造器
 * 参数：
 * fStream 需要取得文件头的文件指针
 */
Header::Header(FILE * fStream)
{
	this->fp=fStream;
	membuf = new unsigned char[HEAD_LEN];
	this->separateHeader();
}
Header::Header(char * fileName)
{
}
void Header::separateHeader()
{
	fread(membuf,1,160,fp);
	memcpy(headLen,membuf,2);
	membuf+=2;
	memcpy(header,membuf,158);
	memcpy(pID,membuf,4);
	membuf+=4;
	memcpy(fileType,membuf,6);
	membuf+=6;
	memcpy(fileAmount,membuf,8);
	membuf+=8;
	memcpy(credialLocation,membuf,64);
	membuf+=64;
	memcpy(potalLocation,membuf,64);
	membuf+=64;
	memcpy(encryptMethod,membuf,1);
	membuf+=1;
	memcpy(keyLen,membuf,2);
	membuf+=2;
	memcpy(bBandPCID,membuf,1);
	membuf+=1;
	memcpy(sectionLength,membuf,4);
	membuf+=4;
	memcpy(totalSection,membuf,4);
	headEndPosition = HEAD_LEN;
}
Header::~Header(void)
{
	delete[] membuf;
}