DEVICE AND METHOD FOR AUTHENTICATING INDIVIDUALS, DEVICE AND METHOD FOR MANAGING VERSION, PROGRAM FOR MAKING COMPUTER EXECUTE INDIVIDUAL AUTHENTICATING METHOD AND PROGRAM FOR MAKING COMPUTER EXECUTE THE VERSION MANAGING METHOD

摘要

PROBLEM TO BE SOLVED: To more smoothly achieve the so-called 'single sing-on' in a plurality of applications, by unifiedly managing individual authentication information and using the unifiedly managed authentication information. SOLUTION: A client PC 200 is provided with an authentication core 503, which displays authentication image to which an ID number and a password are entered, requests authentication information from an authentication database 331 for storing the authentication information composed of information for authenticating an individual, on the basis of the inputted ID number and the password, acquires the authentication information from the authentication database 331 and temporarily stores the authentication information, and a WF manager 504 for starting an optional application program (WF business module) on the basis of the temporarily stored authentication information, a GUI controller 505, a WF business module 506, etc., and authenticates a plurality of applications with a single input of an ID number and a password.