Member revocable certificateless anti-quantum signature method based on cloud server
A cloud server, certificate-free technology, applied in the field of information security, can solve the problems of heavy certificate management burden, lack of member revocation and joining functions, etc.
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0017] This scheme is a member-based revocable non-certificate anti-quantum signature method based on cloud server, which belongs to the field of information security. This scheme mainly consists of system initialization algorithm and key SK ID It consists of five steps: generation algorithm, signature algorithm, verification algorithm and member revocation algorithm. This scheme bases the revocable certificateless signature on the lattice cryptography system to ensure that the scheme can resist quantum computer attacks and has higher security; in the scheme, the certificateless signature system is used, and the key generation center is introduced to reduce the number of certificates. Storage pressure, share the risk, improve the system stability; use the cloud server to realize the revocation of the user, divide the key into partial keys and u...
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