C#RSA加密丢失字节
我正在与RSA合作,在客户端和服务器之间传递一些数据 在我的客户端中,单击按钮事件如下所示:C#RSA加密丢失字节,c#,byte,rsa,C#,Byte,Rsa,我正在与RSA合作,在客户端和服务器之间传递一些数据 在我的客户端中,单击按钮事件如下所示: private void button1_Click(object sender, EventArgs e) { byte[] outStream = System.Text.Encoding.ASCII.GetBytes(textBox2.Text + "$"); byte[] outStreamcrypt = cspserver.Encrypt(outStream, false);
private void button1_Click(object sender, EventArgs e)
{
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(textBox2.Text + "$");
byte[] outStreamcrypt = cspserver.Encrypt(outStream, false);
int x = outStreamcrypt.Length;
byte[] sizes = BitConverter.GetBytes(x);
serverStream.Write(sizes, 0, sizes.Length);
serverStream.Write(outStreamcrypt, 0, outStreamcrypt.Length)
serverStream.Flush();
}
public static RSACryptoServiceProvider csp = new RSACryptoServiceProvider(1024);
作为csp,服务器(是的,服务器)和serverStream的公钥是NetworkStream
服务器试图接收数据并使用其公钥解密时出现问题:
function foo() {
NetworkStream networkStream = clientSocket.GetStream();
byte[] bytesSize = new byte[4];
networkStream.Read(bytesSize, 0,4);
int sizealeer= BitConverter.ToInt32(bytesSize, 0);
byte[] bytescortos = new byte[sizealeer];
networkStream.Read(bytescortos, 0, bytescortos.Length);
var bytesPlainTextData = Program.csp.Decrypt(bytescortos, false);
string plainTextData = Encoding.Unicode.GetString(bytesPlainTextData);
Console.WriteLine("Desencriptado - " + clNo + " : " + plainTextData);
}
Program.csp是服务器密钥(与我在客户端加密时使用的密钥相同),当我尝试解密时,问题就出现了,它只给我10个字节作为解密的结果,它们应该更大
我在服务器代码的最开始创建服务器密钥,如下所示:
private void button1_Click(object sender, EventArgs e)
{
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(textBox2.Text + "$");
byte[] outStreamcrypt = cspserver.Encrypt(outStream, false);
int x = outStreamcrypt.Length;
byte[] sizes = BitConverter.GetBytes(x);
serverStream.Write(sizes, 0, sizes.Length);
serverStream.Write(outStreamcrypt, 0, outStreamcrypt.Length)
serverStream.Flush();
}
public static RSACryptoServiceProvider csp = new RSACryptoServiceProvider(1024);
在加密代码中,您使用的是
编码.ASCII
,而在解密代码中,您使用的是编码.Unicode
,如果您提供的是伪代码,而不是格式错误的伪代码,则会有所帮助。加密使用公钥完成,解密使用私钥完成。你确定你说的对吗?(但是调用Stream.Read
并忽略返回值也不是一个好主意…)谢谢你,你完全正确,我会注意到这一点。