Chunghwa Telecom had six patents in cybersecurity during Q1 2024. Chunghwa Telecom Co Ltd filed a patent for a method, system, and medium for converting subscriber identity information, private key, and public key certificate from one security chip to another through online authentication, enhancing usability, convenience, and security. GlobalData’s report on Chunghwa Telecom gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Chunghwa Telecom grant share with cybersecurity as a theme is 33% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Certificate requesting method, certificate issuing method, certificate system and computer-readable medium thereof (Patent ID: US20240073038A1)
The patent filed by Chunghwa Telecom Co Ltd. describes a method for requesting and issuing certificates to improve usability, convenience, and security. The method involves generating public and private keys in security chips, sending a certificate signing request to a certificate authority server, receiving a confirmation code, signing it with an external private key, and downloading a public key certificate containing subscriber identity information. The system includes a mobile device with built-in and external security chips, as well as a certificate authority server that communicates with the mobile device to verify the confirmation code and issue the public key certificate.
The certificate system outlined in the patent involves a mobile device with security chips generating public and private keys, sending a certificate signing request to a certificate authority server, and receiving a public key certificate. The certificate authority server verifies the confirmation code using an external public key, issues the public key certificate, and sends it to the mobile device. The system ensures security by storing the public key certificate in a password-protected area and includes features such as generating a confirmation code based on the signing request and random number, as well as not issuing the certificate if verification fails. The system aims to enhance security and convenience in certificate requesting and issuing processes.
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