Zhengping Jin

TL;DR: The theoretical support for the application of blockchain in the post quantum age is provided with a novel anti-quantum transaction authentication scheme in the blockchain which can extend a lattice space to multiple lattice spaces accompanied by the corresponding key.

TL;DR: A secure and efficient two-factor mutual authentication and key agreement scheme to reduce the computational cost and provide the patient anonymity by employing the dynamic identity is proposed.

TL;DR: Xiong et al.'s certificateless aggregate signature scheme is insecure even against "honest-but-curious" KGC attack, an improved scheme which is really secure against "malicious- but-passive" K GC attack in the random oracle model, and performance analysis shows that the new scheme is more efficient than the other secure certificate less aggregate signature schemes.

TL;DR: An efficient and secure payment protocol that aims at the restricted connectivity scenario in VANET, which can achieve fair exchange, user anonymity and payment security, and reduces both the computational cost and communication cost.

TL;DR: A construction for realizing circuit ciphertext-policy attribute-based hybrid encryption with verifiable delegation, which achieves security against chosen-plaintext attacks under the k-multilinear Decisional Diffie-Hellman assumption and an extensive simulation campaign confirms the feasibility and efficiency of the proposed solution.