2 papers
cs.CR2017
UC Secure Issuer-Free Adaptive Oblivious Transfer with Hidden Access Policy
Vandana Guleria, Ratna Dutta
Privacy is a major concern in designing any cryptographic primitive when frequent transactions are done electronically. During electronic transactions, people reveal their personal…
cs.NI2012
Collusion resistant self-healing key distribution in mobile wireless networks
Ratna Dutta, Sugata Sanyal
A fundamental concern of any secure group communication system is key management and wireless environments create new challenges. One core requirement in these emerging networks is…