Masashi Kon

TL;DR: In this paper, a content distribution is performed by a secure container including a content encrypted by a content key and container information set for a content transaction, the container information includes a person identification certificate identifiers list.

TL;DR: In this paper, a person authentication system, a method, and an information processing apparatus which allow person authentication to be performed in an easy fashion in various devices by comparing a template serving as person identification data with sampling information input by a user.

TL;DR: In this paper, a template from a person identification certificate created by a third-party agency is used to authenticate a person. But, the person identification authority deletes and changes the persons identification certificate and performs registration, addition, deletion, invalidation process, and re-validation process of the template stored in the certificate.

TL;DR: In this article, the authors proposed a cross-certification and encrypted data communication protocol, which allows the devices each being capable of verifying only a different signature algorithm to verify the public key certificates of the other devices.

TL;DR: In this paper, a user device receives the content and pays a content fee, based on the usage control policy of the content, by electronic money up to the allowable amount of money set in an issue log.