Shandong Provincial Natural Science Foundation,China(No.ZR2014FL011);Higher Educational Science and Technology Program of Shandong Province,China(No.J13LN21)
Anonymity is a very important security objective in network communications.Recently,Pang et al.proposed a novel multirecipient signcryption scheme with complete anonymity and claimed that the new concrete scheme was s...
Supported by the National Natural Science Foundation of China(61103231,61103230,61272492,61202492);the Project Funded by China Postdoctoral Science Foundation and Natural Science Basic Research Plan in Shaanxi Province of China(2014JQ8358,2014JQ8307,2014JM8300)
With the development of quantum computer, multivariate public key cryptography withstanding quantum attack has became one of the research focus. The existed signcryption schemes from discrete logarithm and bilinear pa...
This work is supported by the National Natural Science Foundation of China (No.60803151, No.61103178).
Multi-recipient public-key encryption can be used to solve the security issue of One-To-Many com-munications such as secure broadcast. In a multi-recipient public-key encryption scheme, a ciphertext generated by the s...
Supported by the National Natural Science Foundation ofChina (60903178)
Nowadays,indistinguishability against adaptive chosen-ciphertext attacks(IND-CCA2) has been widely accepted as a proper security criterion for encryption schemes.In this paper,an efficient conversion is proposed to ...
Supported by the National Natural Science Foundation of China (60473029)
Signcryption is a cryptographic primitive that performs signature and encryption simultaneously, at lower computational costs and communication overheads than the signature-then- encryption approach. In this paper, we...