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C#RSA加密丢失字节_C#_Byte_Rsa - Fatal编程技术网

C#RSA加密丢失字节

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);

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);
    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。