#region 获取由SHA1加密的字符串 public string EncryptToSHA1(string str) { SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider(); byte[] str1 = Encoding.UTF8.GetBytes(str); byte[] str2 = sha1.ComputeHash(str1); sha1.Clear(); (sha1 as IDisposable).Dispose(); return Convert.ToBase64String(str2); } #endregion #region 获取由MD5加密的字符串 public string EncryptToMD5(string str) { MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider(); byte[] str1 = Encoding.UTF8.GetBytes(str); byte[] str2 = md5.ComputeHash(str1, 0, str1.Length); md5.Clear(); (md5 as IDisposable).Dispose(); return Convert.ToBase64String(str2); } #endregion