| 摘要 |
An electronic-data authentication method is for authenticating electronic data provided by a virtual person anonymously used on a network, performed by a virtual-person management system including a user terminal, a user management device, and a virtual-person management device. The method includes receiving, by the virtual-person management device, the electronic data, a first electronic signature generated by encrypting the electronic data with a first signature-creation key, and an virtual person ID for uniquely identifying the virtual person from the user terminal; authenticating, by the user management device, the first electronic signature received at the receiving by using a first signature-authentication key corresponding to the first signature-creation key; generating, by the virtual-person management device, a second electronic signature by encrypting the electronic data received at the receiving with a second signature-creation key issued for the virtual person; and transmitting, by the virtual-person management device, the second electronic signature to the user terminal.
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