An Identity-Based Anonymous Authentication Method and System
An anonymous authentication and identity technology, applied in the field of information security, can solve problems such as threats to the rights and interests of other users, system security, etc.
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[0040] The present invention will be described in detail below in conjunction with examples. The following embodiments only show that the present invention is a possible implementation, not all possible implementations, and are not intended to limit the present invention.
[0041] In the following description of the present invention, the authenticated party is referred to as the user for short, and the authenticating party is referred to as the server for short. When two integers are multiplied (or integer symbols multiplied), if there is no ambiguity, the multiplication sign "·" is omitted, for example, a·b is simplified to ab. mod n means modulo n operation, and the priority of modulo n operation is the lowest. For example, a+b mod n is equivalent to (a+b) mod n, and ab mod is equivalent to (ab) mod n. "≡" represents a congruence formula, that is, a≡b mod n is equivalent to a mod n=b mod n. gcd(a, b) means finding the greatest common factor of integers a and b, if gcd(a, b...
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