2 papers
cs.CR2023
Concept and Construction of Group Signature with self-proof capacity for confirming and denying
Xiaogang Cheng, Ren Guo
With privacy-preserving and traceability properties, group signature is a cryptosystem with central role in cryptography. And there are lots of application scenarios. A new extensi…
quant-ph2023
Better Quantum Seal Schemes based on Trapdoor Claw-Free Functions
Xiaogang Cheng, Ren Guo
Seal in classical information is simply impossible. Since classical information can be easily copied any number of times. Based on quantum information, esp. quantum unclonable theo…