Indifferentiability Characterization of Hash Functions and Optimal Bounds of Popular Domain Extensions. - Rishiraj Bhattacharyya; Avradip Mandal; Mridul Nandi (INDOCRYPT, 2009)

Security Analysis of the Mode of JH Hash Function. - Rishiraj Bhattacharyya; Avradip Mandal; Mridul Nandi (FSE, 2010)

On the Impossibility of Instantiating PSS in the Standard Model. - Rishiraj Bhattacharyya; Avradip Mandal (IACR Cryptol. ePrint Arch., 2010)

On the Indifferentiability of Fugue and Luffa. - Rishiraj Bhattacharyya; Avradip Mandal (ACNS, 2011)

Secure Message Authentication Against Related-Key Attack. - Rishiraj Bhattacharyya; Arnab Roy 005 (FSE, 2013)

Non-adaptive programmability of random oracle. - Rishiraj Bhattacharyya; Pratyay Mukherjee (Theor. Comput. Sci., 2015)

Complexity of the Unconstrained Traveling Tournament Problem. - Rishiraj Bhattacharyya (Oper. Res. Lett., 2016)

Tutorials: Lattice based cryptgraphy. - Rishiraj Bhattacharyya (PKIA, 2017)

Property Testing of Joint Distributions using Conditional Samples. - Rishiraj Bhattacharyya; Sourav Chakraborty 001 (ACM Trans. Comput. Theory, 2018)

Memory-Tight Reductions for Practical Key Encapsulation Mechanisms. - Rishiraj Bhattacharyya (IACR Cryptol. ePrint Arch., 2020)

Crooked Indifferentiability of Enveloped XOR Revisited. - Rishiraj Bhattacharyya; Mridul Nandi; Anik Raychaudhuri (INDOCRYPT, 2021)

Crooked Indifferentiability Revisited. - Rishiraj Bhattacharyya; Mridul Nandi; Anik Raychaudhuri (CoRR, 2021)

Compactness of Hashing Modes and Efficiency beyond Merkle Tree. - Elena Andreeva 001; Rishiraj Bhattacharyya; Arnab Roy 005 (IACR Cryptol. ePrint Arch., 2021)

Firefighter Problem with Minimum Budget: Hardness and Approximation Algorithm for Unit Disk Graphs. - Diptendu Chatterjee; Rishiraj Bhattacharyya (CoRR, 2022)

Bandwidth-Hard Functions from Random Permutations. - Rishiraj Bhattacharyya; Avradip Mandal (CoRR, 2022)

Subversion Resilient Hashing: Efficient Constructions and Modular Proofs for Crooked Indifferentiability. - Rishiraj Bhattacharyya; Mridul Nandi; Anik Raychaudhuri (IEEE Trans. Inf. Theory, 2023)

Testing Self-Reducible Samplers. - Rishiraj Bhattacharyya; Sourav Chakraborty 001; Yash Pote; Uddalok Sarkar; Sayantan Sen (AAAI, 2024)

On Efficient and Secure Compression Functions for Arithmetization-Oriented Hashing. - Elena Andreeva 001; Rishiraj Bhattacharyya; Arnab Roy 005; Stefano Trevisani (CSF, 2024)

On Efficient and Secure Compression Modes for Arithmetization-Oriented Hashing. - Elena Andreeva 001; Rishiraj Bhattacharyya; Arnab Roy 005; Stefano Trevisani (IACR Cryptol. ePrint Arch., 2024)

Secure Vault scheme in the Cloud Operating Model. - Rishiraj Bhattacharyya; Avradip Mandal; Meghna Sengupta (IACR Cryptol. ePrint Arch., 2024)

Code-Based Fully Dynamic Accountable Ring Signatures and Group Signatures Using the Helper Methodology. - Rishiraj Bhattacharyya; Sreehari Kollath; Christophe Petit 001 (ACISP (2), 2025)

CCA-Secure Traceable Threshold (ID-based) Encryption and Application. - Rishiraj Bhattacharyya; Jan Bormet; Sebastian Faust; Pratyay Mukherjee; Hussien Othman (IACR Cryptol. ePrint Arch., 2025)