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"Post-quantum secure group signature with verifier local revocation and" by Shuaining Gao, Xinjian Chen et al.

Group signature supports users to generate signatures on behalf of the group. Verifier local revocation (VLR) is an important method to revoke a misbehaving user in group signature, which has attracted many researchers’ attention. However, the existing lattice-based group signature schemes with VLR either achieve only selfless anonymity, have revocation list of size linear with the number of revoked users, or suffer from the issue that signatures generated by revoked users could easily be linked by an adversary. Additionally, the development of quantum computing technology threatens the security of traditional cryptosystems. Therefore, in this paper we propose a new lattice-based group signature scheme, which makes use of the complete tree technique to combine the timestamp with VLR. It enjoys post-quantum security and satisfies almost full anonymity and traceability if the LWE and SIS problems are hard. Compared with previous schemes, our scheme achieves backward unlinkability addit ....

Backward Unlinkability , Group Signature , Post Quantum Security , Erifier Local Revocation ,

Super-resolution microscopy across diverse applications

Zeiss, a pioneer in microscopy solutions, is introducing an innovative addition to its product portfolio with the Zeiss Lattice SIM product family. Click to read more. ....

Zeiss Elyra , Zeiss Lattice ,

China verifies new morphing wing structure for future cross-domain aircraft

China recently verified a new morphing wing structure that can help build future cross-domain aircraft, with an expert saying on Tuesday that the cutting-edge technology is expected to undergo flight tests before being applied. ....

Wang Yanan , Aviation Industry Corporation Of Chinachina , Aircraft Strength Research Institute Of China , Aviation Industry Corporation Of China , Aerospace Knowledge , Aircraft Strength Research Institute , Aviation Industry Corporation , Sina Weibo , Beijing Based Aerospace Knowledge , Global Times ,

U.S. States Most Impacted by Inflation

After nearly three years of stubbornly high inflation, the rate of price increases in the U.S. finally appears to be slowing down, closer to historical norms and the Federal Reserve’s ....

Federal Reserve ,

America's Most Rapidly Aging Cities

It s no great secret that America is getting older. The birth rate in the U.S. has fallen by more than half since the early 1960s. Typical life expectancy in the ....

United States , Baby Boomer ,