Electronic data certification method, electronic data certification program and electronic data certification system

摘要

Justifiability of the electronic data which was offered by the hypothetical person who is used with anonymity in on network, after guaranteeing the anonymous characteristic of the hypothetical person the electronic data certification method of being possible to make verify, it designates that the electronic data certification program and the electronic data certification system are offered as purpose. Justifiability of the electronic data is made to verify making use of the key corresponds to the key is issued in the one for hypothetical person vis-a-vis the user terminal of the third party who acquires the electronic data of the hypothetical person, by hypothetical person management device 10 for 2nd signature compilation which for 2nd signature verification which.