3 papers
cs.CR2023
Tight Short-Lived Signatures
Arup Mondal, Ruthu Hulikal Rooparaghunath, Debayan Gupta
A Time-lock puzzle (TLP) sends information into the future: a predetermined number of sequential computations must occur (i.e., a predetermined amount of time must pass) to retriev…
cs.CR2023
Trenchcoat: Human-Computable Hashing Algorithms for Password Generation
Ruthu Hulikal Rooparaghunath, T. S. Harikrishnan, Debayan Gupta
The average user has between 90-130 online accounts, and around passwords are in use this year. Most people are terrible at remembering "random" passwords, so th…
cs.CR2023
RANDGENER: Distributed Randomness Beacon from Verifiable Delay Function
Arup Mondal, Ruthu Hulikal Rooparaghunath, Debayan Gupta
Buoyed by the excitement around secure decentralized applications, the last few decades have seen numerous constructions of distributed randomness beacons (DRB) along with use case…