DEVICE AND METHOD FOR WRITTEN AUTHENTICATION MANAGEMENT AND COMPUTER-READABLE RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To prevent the validity of a written authentication from expiring, to provide pleasant operability for a user, and to accelerate the smooth operation of a system as to a written authentication management device which manages written authentication. SOLUTION: An update period decision part 35 decides whether update is needed based on the term of validity included in a written authentication stored in a written authentication storage part 38 and the date managed by a date and time management part 39 and when it is decided that the update is needed, an update urging information output part 36 outputs information urging the update.