bigint.h

aes的原代码

#pragma once
#include "stdafx.h"
#include <string>
#include <iostream>
#ifndef BI_MAXLEN
#define BI_MAXLEN 80
#define STRLEN  550
#define DEC 10
#define HEX 16

#ifndef PP
#define PP "2765165575700072429096722561505766783073774008029748822940390528325268671408424204039332338576269910385993341406534042617607630962196081510611"
#endif

#ifndef PQ
#define PQ "5319938242328025057485034325562726421733835396778019932500555701077436239437215714047033279743272095226841506013452153477526920620158734090583"
#endif

#ifndef PX
#define PX "18315540073231724132984917741695570530504408884890892070615741712985709660188773640358075524800498924998991267318227490271549594534087"
#endif
using namespace std;
class BigInt
{
public:
	unsigned m_nLength;
	unsigned long m_ulValue[BI_MAXLEN];
	BigInt();
	BigInt(const char* val);
	~BigInt(void);

	void Mov(unsigned __int64 A);
    void Mov(BigInt& A);
    BigInt Add(BigInt& A);
    BigInt Sub(BigInt& A);
    BigInt Mul(BigInt& A);
    BigInt Div(BigInt& A);
    BigInt Mod(BigInt& A);
    BigInt Add(unsigned long A);
    BigInt Sub(unsigned long A);
    BigInt Mul(unsigned long A);
    BigInt Div(unsigned long A);
    unsigned long Mod(unsigned long A);
	BigInt ModPow(BigInt&B,BigInt&N);
	BigInt ModPow(int&B,BigInt &N);
	long GetFirstValue();
    int Cmp(BigInt& A);

	void GetStr(char* str, unsigned int system=DEC);
    void PutStr(const char* str, unsigned int system=DEC);
private:
	void Reverse(char * s, int len);
};
#endif