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Apache 模块auth_tkt创建可以加密验证的身份验证 cookie,因此 Web 服务器可以在REMOTE_USER不咨询数据库的情况下生成。auth_tktcookie的规格是什么?

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http://www.openfusion.com.au/labs/dist/mod_auth_tkt/mod_auth_tkt-2.1.0.tar.gz里面的自述文件

Cookie Format

The TKTAuthCookieName cookie is constructed using following algorithm:`

('+' is concatenation operation)

cookie := digest + hextimestamp + user_id + '!' + user_data

or if using tokens:

cookie := digest + hextimestamp + user_id + '!' + token_list + '!' + user_data

digest := MD5(digest0 + key)

digest0 := MD5(iptstamp + key + user_id + '\0' + token_list + '\0' + user_data)

iptstamp is a 8 bytes long byte array, bytes 0-3 are filled with
client's IP address as a binary number in network byte order, bytes
4-7 are filled with timestamp as a binary number in network byte
order. 

hextimestamp is 8 character long hexadecimal number expressing
timestamp used in iptstamp. 

token_list is an optional comma-separated list of access tokens 
for this user. This list is checked if TKTAuthToken is set for a
particular area.

user_data is optional
于 2010-03-29T15:23:01.937 回答