Security authentication method based on chameleon hash function
A hash function and security authentication technology, which is applied in the field of security authentication based on the Chameleon hash function, can solve problems such as difficult to meet the switching requirements of 5G network mobile terminals, and achieve the goal of ensuring authenticity, reducing the number of communication rounds, and avoiding malicious operations Effect
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[0074]The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0075] Please refer to figure 1 As shown, the present invention realizes a kind of security authentication method based on chameleon hash function, and its steps are:
[0076] S1. Perform system initialization on the key generation center, and select system public parameters to improve the system. Specifically, it includes the following steps:
[0077] Select the safety factor k to generate a large prime number p with k bit...
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