IDENTITY AUTHENTICATION METHOD, IDENTITY AUTHENTICATION DEVICE, AND COMPUTER READABLE MEDIUM

• Main Authors: ZUO, Longlong, CHU, Qiushi
• Format: Patent
• Language: Chinese; English; French
• Published: 02.04.2020
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

Embodiments of the present application disclose an identity authentication method, an identity authentication device, and a computer readable medium. The method comprises: a second user node acquiring, according to a first user address identifier of a first user, and from a blockchain, first identity mapping information corresponding to the first user address identifier, the first identity mapping information comprising the first user address identifier, a first public key, and a first identity fingerprint; encrypting, by means of the first public key, a second public key of a second user, obtaining an identity authentication request, and broadcasting the identity authentication request to an entire network; receiving identity feedback information; and authenticating the feedback information according to a private key of the second user and the first identity fingerprint, and if the authentication passes, determining that the first user address identifier is a user address identifier of the first user. The em