INFORMATION PROCESSOR, INFORMATION PROCESSING SYSTEM, WORK PIECE USE ACCEPTING METHOD AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide an information processor and a storage medium (medium) for arranging an environment for enabling one user to utilize only one piece of software or digital contents at one piece of terminal equipment, more surely protecting the right of an accepter side and enabling an accepted person to receive service suited to individual needs from a software maker or a contents provider. SOLUTION: The medium 101 provided with areas 103 and 104 writable only once and the recording area 102 of the software and a microprocessor 118 incorporating a generation unit 112 for generating a one-time password for which the same one can not be generated twice and a ciphering/deciphering unit 108 cooperatively function.