public void EnableEncryption(ServerAuthority serverAuthority, byte[] encodedPublicKey)
{
encryptionEnabled = true;
this.serverAuthority = serverAuthority;
this.remotePublicKey = new DHPublicKeyParameters(
((DHPublicKeyParameters)PublicKeyFactory.CreateKey(encodedPublicKey)).Y, serverAuthority.Parameters);
}
private new void OnValidate()
{
if (!serverAuthority)
{
serverAuthority = Resources.Load <ServerAuthority>("Server/DefaultServerAuthority");
}
base.OnValidate(); //TODO: Does this make it Validate twice? - TESTERS: place debug statements in the base method to find out...I expect it will not, but please verify
}
private bool NegotiateKeys()
{
SendRequest <NegotiateKeysRequest>(RequestTypes.NegotiateKeysRequest, new NegotiateKeysRequest(), false);
NegotiateKeysResponse response = WaitForResponse <NegotiateKeysResponse>();
if (response == null)
{
return(false);
}
// we have a response, let's copy the server key and create the serverauthority
_serverAuthority = new ServerAuthority(new BigInteger(response.Prime, 16), new BigInteger(response.G, 16));
_serverPublicKey = response.ServerPublicKey;
return(true);
}
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="header">The header.</param>
/// <param name="publicKeyEncoded">The public key encoded.</param>
/// <param name="response">The response.</param>
/// <returns></returns>
public static String ProcessRequest(ServerAuthority serverAuthority, byte[] publicKeyEncoded, RequestHeader header, String request)
{
if (header.MessageHeader.EncryptionHeader.EncryptionType != EncryptionTypes.None)
{
//byte[] publicKeyEncoded = client.RequestHeader.MessageHeader.EncryptionHeader.PublicKey;
DHPublicKeyParameters publicKey = new DHPublicKeyParameters(
((DHPublicKeyParameters)PublicKeyFactory.CreateKey(publicKeyEncoded)).Y, serverAuthority.Parameters);
BigInteger agreementValue = serverAuthority.GenerateAgreementValue(publicKey);
RijndaelCrypto crypto = new RijndaelCrypto();
return(crypto.Encrypt(request, agreementValue.ToString(16)));
}
else
{
return(request);
}
}
public void DisableEncryption()
{
encryptionEnabled = false;
this.serverAuthority = null;
this.remotePublicKey = null;
}
