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what is a dynamic password? something like a strong authentication token system you mean? there are tokenless systems available under the GPL but you really need to explain more about what you want.
I was talking about the random password generated by token. But instead I need tokenless. That is after the user sends his information to the webserver/any_server, the latter will generate a one_time password to the user. With this one_time password the user can login. This one_time password is only valid once and has time limit. After x-minuites/seconds it will expire. The user can't use it to login. Next time on request the server will generate another password.
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