说明：  hmac-md5改进版（支持中文） 易宝采用hmac-md5加密，目前纯ASP版的都不支持中文，为此专门做了改进。代码大为简化，从17K精简到9K。 调用方法：HmacMd5(text,key)－加密内容支持中文，但key最好用非中文的。 md5(text)-简版，ASP_MD5(text)－标准版
(improved version hmac-md5 (support Chinese) Epro hmac-md5 encrypted using the current version do not support ASP pure Chinese, has been improved for this purpose. Code is greatly simplified, streamlined from 17K to 9K. Call the method: HmacMd5 (text, key)- encrypted content to support Chinese, but the key is best to use non-Chinese. md5 (text)- simple version, ASP_MD5 (text)- Standard Edition)