HMACSha1加密方法

/// <summary>
        /// HMAC加密
        /// </summary>
        /// <param name="EncryptText">加密內容</param>
        /// <param name="EncryptKey">密鑰</param>
        /// <returns></returns>
        public static string ToHMacSha1(string EncryptText, string EncryptKey)
        {
            string result = "";

            try
            {
                HMACSHA1 hmacsha1 = new HMACSHA1();
                hmacsha1.Key = System.Text.Encoding.UTF8.GetBytes(EncryptKey);
                byte[] dataBuffer = System.Text.Encoding.UTF8.GetBytes(EncryptText);
                byte[] hashBytes = hmacsha1.ComputeHash(dataBuffer);

                result = Convert.ToBase64String(hashBytes);
            }
            catch (Exception ex)
            {

            }

            return result;
        }

      

【原文出處】http://www.51aras.com/?id=9