OSID - osid.authentication.process.AuthenticationAcquisitionSession Service Interface Definition

Interface	osid.authentication.process.AuthenticationAcquisitionSession
Implements	`osid.OsidSession`
Used By	`osid.authentication.process.AuthenticationProcessManager`
Used By	`osid.authentication.process.AuthenticationProcessProxyManager`
Description	This session acquires authentication credentials. The basic method, `getAuthentication()`, gets authentication credentials for use with authenticating to a remote peer. These credentials may be generated from direct user input or retrieved via a file, for example.
Method	getAuthentication
Description	Gets the authentication credential for the current user. The input data may represent the identity of the remote peer or data from a challenge-response transaction necessary for generating the credantial.
Return	`osid.authentication.process.Authentication`	the acquired authentication credential
Errors	OPERATION_FAILED	unable to complete request
Errors	PERMISSION_DENIED	authorization failure
Compliance	`mandatory`	This method is must be implemented.