Certificate issuance support system, certificate issuance support method and program

A certificate issuance support system comprising:

• a certificate application device in a first organization for applying to an authentication station for issuance of an OV certificate, the certificate application device including a memory and a processor;
• and
• an existence assurance device included in a second organization for guaranteeing the existence of the first organization, the existence assurance device including a memory and a processor,
• wherein the processor of the existence assurance device is configured to
• impart a first electronic signature to first information for guaranteeing the existence of the first organization in response to a request from a terminal used by a member of the first organization,
• transmit the first information to which the first electronic signature is imparted to the certificate application device, and
• verify a second electronic signature, which is generated by the certificate application device and is imparted to second information for guaranteeing affiliation of the member of the first organization in cooperation with the authentication station, and
• wherein the processor of the certificate application device transmits the first information to which the first electronic signature is imparted and the second information to which the second electronic signature is imparted to the authentication station to receive the OV certificate issuance.