Publications in reverse chronological order

  • Secure Vault scheme in the Cloud Operating Model [ authors' version]
    Rishiraj Bhattacharyya, Avradip Mandal, Meghna Sengupta, Indocrypt 2024 .

  • On Efficient and Secure Compression Functions for Arithmetization-Oriented Hashing [ IACR ePrint version]
    Stefano Trevisani, Elena Andreeva, Rishiraj Bhattacharyya, Arnab Roy, CSF 2024 .

  • Testing Self-Reducible Samplers [arXiv version]
    Rishiraj Bhattacharyya, Sourav Chakraborty, Yash Pote, Uddalok Sarkar, Sayantan Sen, AAAI 2024.

  • Subversion Resilient Hashing: Efficient Constructions and Modular Proofs for Crooked Indifferentiability [authors version]
    Rishiraj Bhattacharyya, Mridul Nandi, Anik Raychaudhuri, IEEE Transactions on Information Theory 2023.

  • Crooked Indifferentiability of Enveloped XOR revisited [authors version]
    Rishiraj Bhattacharyya, Mridul Nandi, Anik Raychaudhuri, Indocrypt 2021.

  • On the Compactness of Hashing Modes [IACR ePrint version]
    Elena Andreeva, Rishiraj Bhattacharyya, and Arnab Roy, Eurocrypt 2021.

  • Memory-Tight Reductions for Practical Key Encapsulation Mechanisms [ IACR ePrint version][talk]
    Rishiraj Bhattacharyya, PKC 2020.

  • Property Testing of Joint Distributions using Conditional Samples [authors' version]
    Rishiraj Bhattacharyya and Sourav Chakraborty, ACM Transactions on Computation Theory, 2018.

  • Complexity of the unconstrained traveling tournament problem [authors' version]
    Rishiraj Bhattacharyya, Operations Research Letters, 2016.

  • Non-Adaptive Programmability of Random Oracles [ authors' version ] .
    Rishiraj Bhattacharyya and Pratyay Mukherjee, Theoretical Computer Science, 2015.

  • Secure Message Authentication against Related Key Attack. [ preproceedings version ] .
    Rishiraj Bhattacharyya and Arnab Roy, FSE 2013.

  • Indifferentiability of Fugue and Luffa. [preliminary full version]
    Rishiraj Bhattacharyya and Avradip Mandal, ACNS 2011.

  • On the Impossibility of Instantiating PSS in Standard Model. [full version]
    Rishiraj Bhattacharyya and Avradip Mandal, PKC 2011.

  • Security Analysis of the Mode of JH hash function. [proceedings version]
    Rishiraj Bhattacharyya, Avradip Mandal and Mridul Nandi, FSE 2010.

  • Indifferentiability Characterization of Hash Functions and Optimal Bounds of Popular Domain Extension [authors' version]
    Rishiraj Bhattacharyya, Avradip Mandal and Mridul Nandi, Indocrypt 2009.

  • Constant Query Locally Decodable Codes against Computationally Bounded Adversary [pdf]
    Rishiraj Bhattacharyya, Sourav Chakraborty, preprint.