1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | public string SignEncrypt(string value) { try { X509Certificate2 pc = new X509Certificate2(AppDomain.CurrentDomain.BaseDirectory + "\\qlsm123.pfx", "20181107"); RSACryptoServiceProvider p = (RSACryptoServiceProvider)pc.PrivateKey; byte[] enBytes = p.SignData(Encoding.UTF8.GetBytes(value), new SHA1CryptoServiceProvider()); p.Dispose(); return Convert.ToBase64String(enBytes); } catch (Exception e) { //处理异常 } return string.Empty; } |