Cryptographic key generation method and system based on identity
A key generation and key generator technology, applied in the direction of user identity/authority verification, etc., can solve the problems of key escrow, loss of identity authentication, etc., to prevent impersonation attacks, remove dependencies, and protect privacy.
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[0043] The present invention will be further described below with reference to the accompanying drawings and examples, but it is not intended to limit the present invention.
[0044] The present invention combines three technologies: blinding technology, multi-party authorization mechanism and password-based authentication mechanism, wherein the function of blinding is to remove the dependence on the secure channel, and the function of multi-party authorization mechanism is to overcome the impact of a separate key generator on the user. The role of private key escrow based on password authentication mechanism is to prevent attackers from impersonating users or a certain key generator.
[0045] The scheme of the present invention is specifically as follows:
[0046] see figure 1, the present invention provides a method for generating an identity-based key, the method steps are as follows:
[0047] Step A: Set system parameters; the specific implementation steps are as follows...
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