SYSTEM AND METHOD PROCESSING ISSUING, MOVING, CERTIFYING AND ERASING ELECTRONIC BILL

摘要

PROBLEM TO BE SOLVED: To realize various procedures for issuing, moving, certifying and erasing a securities on a software by issuing an electronic bill while combining an electronic bill authority part provided with a digital certificate or the like and an electronic bill identifying part including a digital signed bill number based on a neutral institute. SOLUTION: The processor of a neutral institute T generates a digital certificate C (S110). The processor of an issuing person (o) generates an electronic bill authority part0 provided with the enciphered data of a description D in the relation between the digital certificate C and an authority duty and data B for blind signature (S120 and S130). Besides, the processor of the neutral institute T combines the digital certificate C and the electronic bill authority part S0 , registers the result in an electronic bill issue record data base 10 and generates blind signed data B' (S140 and S150). The processor of the issuing person (o) generates an electronic bill identifying part S1 (x) and generates an electronic bill S(x) by combining the electronic bill. authority part S0 and the electronic bill identifying part S1 (x) (S160).