Efficient and Secure Authentication Scheme Based on Certificateless Aggregate Signature in Space Networks
Proceedings of 2017 the 7th International Workshop on Computer Science and Engineering · 2017
According to the requirements of the space networks for computing cost, communication cost and security, a new efficient certificateless aggregate signature algorithm is proposed.The signature length is only 2 group elements, the verification stage requires only 3 pairing operations, and the algorithm is proved secure based on the computational Diffie-Hellman problem under the random oracle model.Compared with the other similar algorithm, this algorithm achieves higher security with higher efficiency and lower cost of communication.Then according to the signature algorithm proposed in this paper, an authentication scheme with the function of mutual authentication, aggregate authentication and group key agreement is presented.The analysis results show that the scheme is secure and efficient, especially suitable for the large-scale space networks.