[Zope] sending a encrypted login URL

We'd like to construct a zope login URL of the form on another server: http://zope.domain:port/context/logged_in?__ac_name=uzzzzzz&__ac_passwor d=xxxxxxx&submit=Log+in where the ac_name and ac_password parameters are encrypted using zope public key (?) and have the parameters decrypted when zope receives the request and login the user. Is there an API or some way to encrypt the username and password on the 3rd party app server and configure zope so that it treats the parameters as encrypted values rather than plaintext? Joseph Thomas College of American Pathologists http://www.cap.org <http://www.cap.org/> Consider our environment; please print this e-mail only if truly necessary. Thank you!