string SignData(string PlainData) { byte[] bytes = Encoding.Default.GetBytes(PlainData); X509Certificate2 certificate = X509Certificate2(ConfigurationSettings.AppSettings[], ConfigurationSettings.AppSettings[]); byte[] rgbHash = MD5CryptoServiceProvider().ComputeHash(bytes); RSAPKCS1SignatureFormatter formatter = RSAPKCS1SignatureFormatter(); formatter.SetKey(certificate.PrivateKey); formatter.SetHashAlgorithm(); ToHexString(formatter.CreateSignature(rgbHash)); }本文转自94cool博客园博客，原文链接：https://www.red-gate.com/products/dotnet-development/reflector/，如需转载请自行联系原作者
