Non-bilinear mapping certificateless signature-based vehicle self-assembly network authentication method
A vehicle ad hoc network and bilinear mapping technology, applied in the field of data security, can solve problems such as low overall efficiency, reduced solution efficiency, and complex bilinear mapping calculations
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[0058] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0059] Such as figure 1 , figure 2 As shown, the vehicle ad hoc network authentication method based on non-bilinear mapping without certificate signature includes the following steps:
[0060] S1: System initialization;
[0061] S2: Vehicle anonymous generation stage;
[0062] S3: Vehicle key generation stage;
[0063] S4: message signature;
[0064] S5: Message authentication.
[0065] Step S1 is specifically:
[0066] TA chooses a random number As the master private key of TA, calculate P pub = sP is used as the master public key of TA;
[0067] TRA chooses a random number As the master private key of TRA, calculate T pub = tP is used as the master public key of TRA;
[0068] TA chooses two secure Hash functions:
[0069] TA exposes public parameters {q,P,P pub , T pub ,H 1 ,H 2}, where the parameter P is the cyclic ...
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