Implicit certificate distribution method and system

Abstract

The invention relates to an implicit certificate distribution method and an implicit certificate distribution system, belongs to the technical field of intelligent Internet of Vehicles and digital currencies, and realizes implicit certificate distribution which can adapt to different elliptic curves and is wider in application. The method comprises the following steps of using an authentication center to generate the system parameters; generating a random number r according to temporary public and private keys generated by the user and the authentication center; calculating coordinates Y of the user on the elliptic curve according to the random number r, the temporary public key of the user and the generation element G; generating an authentication result s of the user according to information including the coordinates of the user on the elliptic curve, the public key and the private key of the authentication center and the identity of the user; and sending the authentication result sand the user coordinate Y to the user for the user to generate a new user public key and a new private key. The method is suitable for a common Weierstrass elliptic curve equation and can also be usedfor an Edwards curve which is high in current recognition degree and wide in application range, randomness does not depend on an authentication center, and the small subgroup attacks can be resisted.

Description

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AI Technical Summary

Benefits of technology

The technical effect described in this patented method relates to improving security measures by utilizing special mathematical techniques such as Randomization Theory (RAT). This approach allows us to create secure systems without relying on any external factors like physical attacks from outside sources.

Problems solved by technology

This patented technical problem addressed in this patents relating to ensuring security during online transactions involves controlling access rights between users who use their own private keys while also signing up against each other over encrypted communication channels like SSL/TLS protocols.

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