Evolving secret-sharing schemes, defined by Komargodski, Naor, and Yogev [TCC 2016B],
are secret-sharing schemes in which there is no a-priory bound on the number of parties. In …

In this work, we define and study the notion of evolving conditional disclosure of secrets
(CDS) protocols. In this model, parties arrive infinitely in sequential order. Each party holds a …

In this paper we propose a secret sharing scheme where the access structure changes over
time following a dynamic data structure. The proposed scheme can accommodate an …

My deepest gratitude goes first to my adviser Prof. Bimal Kumar Roy who expertly guided me
through my doctoral studies and who shared the excitement of five years of discovery. His …

The main focus of this thesis is secret sharing. Secret Sharing is a very basic and
fundamental cryptographic primitive. It is a method to share a secret by a dealer among …

My deepest gratitude goes first to my adviser Prof. Bimal Kumar Roy who expertly guided me
through my doctoral studies and who shared the excitement of five years of discovery. His …