private void test1()
{
//服务端生成好一对 公私钥
RSACryptoServiceProvider rsaServer = new RSACryptoServiceProvider();
//公钥给客户端，用来加密数据（内置，或第一次请求时下行给客户端）
string clientPublicKey = rsaServer.ToXmlString(false);
//私钥存在服务端，用来解密数据
string serverPrivateKey = rsaServer.ToXmlString(true);
//客户端也生成一对 公私钥
RSACryptoServiceProvider rsaClient = new RSACryptoServiceProvider();
//公钥加密后上行给服务端，用来加密数据
string serverPublicKey = rsaClient.ToXmlString(false);
//私钥存在客户端，用来解密下行数据
string clientPrivateKey = rsaClient.ToXmlString(true);
//客户端请求登录 生成上行数据
string username = "******";
string password = "******";
login upPost = new login()
{
username = RSAManaged2.Encrypt(username, clientPublicKey),
password = RSAManaged2.Encrypt(password, clientPublicKey),
key = RSAManaged2.Encrypt(serverPublicKey, clientPublicKey),
};
Console.WriteLine("上行数据：" + upPost.ToJson());
//服务端解密 生成下行数据
//解密
login userInfo = new login()
{
username = RSAManaged2.Decrypt(upPost.username, serverPrivateKey),
password = RSAManaged2.Decrypt(upPost.password, serverPrivateKey),
key = RSAManaged2.Decrypt(upPost.key, serverPrivateKey),
};
Console.WriteLine("上行数据解密：" + userInfo.ToJson());
//生成下行告诉客户断是否登录成功
login downPost = new login()
{
username = RSAManaged2.Encrypt(userInfo.username, userInfo.key),
message = RSAManaged2.Encrypt((username == "test01" && password == "111111") ? "登录成功！" : "登录失败", userInfo.key),
};
Console.WriteLine("下行数据：" + downPost.ToJson());
//客户端取的下行数据，并解密
userInfo = new login()
{
username = RSAManaged2.Decrypt(downPost.username, clientPrivateKey),
message = RSAManaged2.Decrypt(downPost.message, clientPrivateKey),
};
Console.WriteLine("下行数据解密：" + userInfo.ToJson());
Console.WriteLine(userInfo.username);
Console.WriteLine(userInfo.message);
Console.WriteLine();
}
private void PublicKeySign(string input, RSAPublicKey _publicKey, RSAPrivateKey _privateKey)
{
byte[] inputData = Encoding.UTF8.GetBytes(input);
SHA1Managed sha1 = new SHA1Managed();
DateTime d1 = DateTime.Now;
byte[] signature = RSAManaged2.Sign(inputData, _publicKey, sha1);
TimeSpan t1 = DateTime.Now - d1;
Console.WriteLine("公钥签名用时:{0}", t1);
DateTime d2 = DateTime.Now;
bool result = RSAManaged2.Verify(inputData, _privateKey, sha1, signature);
TimeSpan t2 = DateTime.Now - d2;
Console.WriteLine("私钥验证用时:{0}", t2);
sha1.Clear();
Console.WriteLine(string.Format("私钥验证结果:{0}", result));
Console.WriteLine();
}
private void PublicKeyEncrypt(string input, RSAPublicKey _publicKey, RSAPrivateKey _privateKey)
{
byte[] inputData = Encoding.UTF8.GetBytes(input);
DateTime d1 = DateTime.Now;
byte[] inputDateEnc = RSAManaged2.Encrypt(inputData, _publicKey);
TimeSpan t1 = DateTime.Now - d1;
Console.WriteLine("公钥加密用时:{0}", t1);
DateTime d2 = DateTime.Now;
byte[] inputDataDec = RSAManaged2.Decrypt(inputDateEnc, _privateKey);
TimeSpan t2 = DateTime.Now - d2;
Console.WriteLine("私钥解密用时:{0}", t2);
string inputDec = Encoding.UTF8.GetString(inputDataDec, 0, inputDataDec.Length);
Console.WriteLine(string.Format("私钥解密结果:{0}", inputDec));
Console.WriteLine();
}