WO2023077280 - CERTIFICATE-LESS AUTHENTICATION AND SECURE COMMUNICATION

National phase entry:
Publication Number WO/2023/077280
Publication Date 11.05.2023
International Application No. PCT/CN2021/128264
International Filing Date 02.11.2021
Title **
[English] CERTIFICATE-LESS AUTHENTICATION AND SECURE COMMUNICATION
[French] AUTHENTIFICATION SANS CERTIFICAT ET COMMUNICATION SÉCURISÉE
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Inventors
LI, Yong
LI, Ji
TIAN, Wenyuan
CHEN, Xinping
Application details
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting1967
EPO Filing, Examination, Granting16819
Japan Filing, Examination, Granting2485
South Korea Filing, Examination, Granting2676
USA Filing, Examination, Granting5740
MasterCard Visa
Total: 29,687

The term for entry into the National Phase has expired. This quotation is for informational purposes only

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Abstract[English] Disclosed is a client device (202, 206, 300, 400, 404, 406, 408, 410) and a method (100) for authenticating the client device having a client secret key (308). The method comprises generating a client ID and authentication value, sending the client ID and authentication value to a key generating server (204), receiving one or more system parameters, generating a first message, sending the first message to the server, receiving a second message, and further receiving an authenticated credential. The method further comprises determining a valid secret key and a valid public key, wherein the valid secret key and the valid public key are based on the first message and second messages, the authenticated credential, the client secret key, and the server public key.[French] La présente invention concerne un dispositif client (202, 206, 300, 400, 404, 406, 408, 410) et un procédé (100) d'authentification du dispositif client ayant une clé secrète de client (308). Le procédé comprend la génération d'un ID de client et d'une valeur d'authentification, l'envoi de l'ID de client et de la valeur d'authentification à un serveur de génération de clé (204), la réception d'un ou de plusieurs paramètres système, la génération d'un premier message, l'envoi du premier message au serveur, la réception d'un second message et en outre la réception d'un justificatif d'identification authentifié. Le procédé comprend en outre la détermination d'une clé secrète valide et d'une clé publique valide, la clé secrète valide et la clé publique valide étant basées sur le premier message et des seconds messages, le justificatif d'identification authentifié, la clé secrète de client et la clé publique de serveur.

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