keypair.cpp

Crypto api 使用实例

// keypair.cpp : Defines the entry point for the console application.
//

#include "../crypto50/osrng.h"
#include "../crypto50/ec2n.h"
#include "../crypto50/eccrypto.h"
#include "../crypto50/oids.h"
#include "../crypto50/base64.h"
#include "../crypto50/files.h"


using namespace std;
using namespace CryptoPP;

int main(int argc, char* argv[])
{
	//不好意思,下面的代码我没能力解释了:)
	//产生公钥,私钥于相应文件中,把文件中字符串拷贝到KenGenMe 和KeyGen相应位置就可以了
	AutoSeededRandomPool rng;	//随机数
	ECIES<EC2N>::Decryptor cpriv(rng, ASN1::sect193r1());
	ECIES<EC2N>::Encryptor cpub(cpriv);
	ByteQueue bq;
	ByteQueue queue;
	cpriv.DEREncode(bq);
	cpub.AccessKey().AccessGroupParameters().SetEncodeAsOID(true);
	cpub.DEREncode(bq);

	cpriv.AccessKey().SavePrecomputation(queue);
	cpriv.AccessKey().LoadPrecomputation(queue);

	Base64Encoder privkeysink(new FileSink("privkey.txt"),false);		//私钥,base64编码 false表示不换行
	cpriv.DEREncode(privkeysink);
	privkeysink.MessageEnd();   

	Base64Encoder pubkeysink(new FileSink("pubkey.txt"),false);		//公钥,base64编码
	cpub.DEREncode(pubkeysink);
	pubkeysink.MessageEnd();    

	return 0;
}