METHOD AND DEVICE FOR IDENTITY AUTHENTICATION
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Dec 21, 2021
filing date -
Dec 26, 2020
priority date (Note) -
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Abstract
A method and device for identity authentication. An authentication access controller (AAC) acquires an identity ciphertext message transmitted by a requesting device (REQ), the identity ciphertext message comprising an identity information ciphertext of the REQ, the AAC decrypts the identity information ciphertext of the REQ to generate a digital certificate (CertREQ) of the REQ, transmits a first authentication request message comprising the CertREQ to a first authentication server, and receives a first authentication response message transmitted by the first authentication server, the first authentication response message comprising authentication result information and a digital signature of the first authentication server, the AAC utilizes a public key of the first authentication server to verify the digital signature of the first authentication server, and if successfully verified, then the AAC determines an identity authentication result for the REQ on the basis of the verification result of the CertREQ in the authentication result information.
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