C# .net到CryptoServiceProvider不工作
我目前正在将我的一个库移植到mono,以使其可用于MonoMac。 我在这个库中使用RSA,但它的工作方式不一样:它在.NETFramework4中工作得很好,但在mono中它不再工作了 我正在使用RSA交换密钥,以下是服务器端代码:C# .net到CryptoServiceProvider不工作,c#,encryption,mono,C#,Encryption,Mono,我目前正在将我的一个库移植到mono,以使其可用于MonoMac。 我在这个库中使用RSA,但它的工作方式不一样:它在.NETFramework4中工作得很好,但在mono中它不再工作了 我正在使用RSA交换密钥,以下是服务器端代码: private void SecureConnection() { RSACryptoServiceProvider RSA = new RSACryptoServiceProvider(); RSAParameters RSAKeyInfo =
private void SecureConnection()
{
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAKeyInfo = RSA.ExportParameters(false);
NetStream.Write(RSAKeyInfo.Modulus, 0, RSAKeyInfo.Modulus.Length);
NetStream.Flush ();
byte[] keyReceived = new byte[128];
byte[] IvReceived = new byte[128];
int position = 0;
while (position < 127) {
position += NetStream.Read (keyReceived, position, 128 - position);
}
position = 0;
while (position < 127) {
position += NetStream.Read (IvReceived, position, 128 - position);
}
byte[] realKey = RSA.Decrypt(keyReceived, true);
byte[] realIv = RSA.Decrypt(IvReceived, true);
Rijndael = new RijndaelManaged { Key = realKey, IV = realIv };
Encrypt = Rijndael.CreateEncryptor();
Decrypt = Rijndael.CreateDecryptor();
FullName = WaitAndGetString();
Debug.WriteLine("[TCP] TcpHandler -> Connection to {0} ({1}) secured successfully", TcpClient.RemoteEndPoint, FullName);
}
private void SecureConnection()
{
RSACryptoServiceProvider RSA=新的RSACryptoServiceProvider();
rsacameters RSAKeyInfo=RSA.ExportParameters(false);
Write(RSAKeyInfo.module,0,RSAKeyInfo.module.Length);
Flush();
字节[]keyReceived=新字节[128];
字节[]IvReceived=新字节[128];
int位置=0;
而(位置<127){
position+=NetStream.Read(keyReceived,position,128-position);
}
位置=0;
而(位置<127){
position+=NetStream.Read(IvReceived,position,128-position);
}
字节[]realKey=RSA.Decrypt(keyReceived,true);
字节[]realIv=RSA.Decrypt(IvReceived,true);
Rijndael=新的RijndaelManaged{Key=realKey,IV=realIv};
Encrypt=Rijndael.CreateEncryptor();
Decrypt=Rijndael.CreateDecryptor();
FullName=WaitAndGetString();
Debug.WriteLine(“[TCP]TcpHandler->到{0}({1})的连接已成功保护”,TcpClient.RemoteEndPoint,全名);
}
下面是客户端实现:
private ConnectedClient SecureConnection(TcpClient toSecure)
{
NetworkStream netStr = toSecure.GetStream();
ConnectedClient cc = new ConnectedClient
{
TcpClient = toSecure,
NetStream = netStr
};
byte[] buffer = new byte[128];
int position = 0;
while (position < 127)
{
position += netStr.Read (buffer, position, 128 - position);
}
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAKeyInfo = new RSAParameters
{
Exponent = new byte[] {1, 0, 1},
Modulus = buffer
};
RSA.ImportParameters(RSAKeyInfo);
Rijndael rjindael = new RijndaelManaged();
rjindael.GenerateKey();
rjindael.GenerateIV();
byte[] keyToSend = RSA.Encrypt(rjindael.Key, true);
byte[] IvToSend = RSA.Encrypt(rjindael.IV, true);
netStr.Write(keyToSend, 0, 128);
netStr.Flush();
netStr.Write(IvToSend, 0, 128);
netStr.Flush();
cc.Encrypt = rjindael.CreateEncryptor();
cc.Decrypt = rjindael.CreateDecryptor();
cc.Rijndael = rjindael;
Debug.WriteLine("[TCP] ConnectedClient -> Connection to " + toSecure.Client.RemoteEndPoint + " secured successfully");
cc.WriteOnStream(SharedGlobals.FullUsername);
return cc;
}
专用连接客户端安全连接(TcpClient-to-secure)
{
NetworkStream netStr=toSecure.GetStream();
ConnectedClient cc=新的ConnectedClient
{
TcpClient=toSecure,
NetStream=netStr
};
字节[]缓冲区=新字节[128];
int位置=0;
而(位置<127)
{
位置+=netStr.Read(缓冲区,位置,128-位置);
}
RSACryptoServiceProvider RSA=新的RSACryptoServiceProvider();
rsacameters RSAKeyInfo=新的rsacameters
{
指数=新字节[]{1,0,1},
模数=缓冲器
};
RSA.ImportParameters(RSAKeyInfo);
Rijndael rjindael=新的RijndaelManaged();
rjindael.GenerateKey();
rjindael.GenerateIV();
字节[]keyToSend=RSA.Encrypt(rjindael.Key,true);
字节[]IvToSend=RSA.Encrypt(rjindael.IV,true);
netStr.Write(keyToSend,0,128);
netStr.Flush();
netStr.Write(IvToSend,0,128);
netStr.Flush();
cc.Encrypt=rjindael.CreateEncryptor();
cc.Decrypt=rjindael.CreateDecryptor();
cc.Rijndael=rjindael;
Debug.WriteLine(“[TCP]ConnectedClient->连接到”+toSecure.Client.RemoteEndPoint+“已成功保护”);
cc.WriteOnStream(SharedGlobals.FullUsername);
返回cc;
}
问题出在客户端:
byte[]realKey=RSA.Decrypt(keycreceived,true)代码>
正在抛出带有OAEP解码错误的加密异常
此异常仅在Mono中引发,而不是在标准.Net中引发
知道为什么吗?这个问题是因为.Net和Mono之间的指数不一样。Net总是生成一个字节[]{1,0,1}
(至少从我看到的情况来看)。因此,现在我用公钥发送指数,它工作得很好。第一个问题:您正在调用Stream.Read
并完全忽略结果。你怎么知道你已经完全阅读了密钥和IV?我会尝试循环,直到得到合适的大小,然后我会更新我的问题。编辑我的帖子,我仍然有相同的问题。你正在实例化大量的对象,它们的类实现了IDisposable
接口。您应该使用语句将他们的生命周期包装在中。1)您的客户假设e=65537,但我认为新的RSACryptServiceProvider
的文档不能保证这种情况。我也看不到生成1024位密钥的保证。2) 将字节数组(十六进制编码)转储到程序中多个点的控制台,以便通过检查服务器和客户端上的字节是否相同,可以看到错误是在哪里引入的。