collaborators

8 papers

cs.CR2026

Pivot: Proactive and Verifiable Threshold Oblivious Pseudorandom Functions From Isogeny Group Actions

Abhinav Sharma, Vikas Srivastava

Oblivious pseudorandom functions (OPRFs) allow a client to evaluate a keyed pseudorandom function on a private input without revealing that input to the server. In a threshold OPRF…

cs.CR2026

A Post-Quantum Secure Lattice-Based Forward-Secure Identity Based Encryption with Applications to Internet of Things Architecture

Abhishek Kumar, Vikas Srivastava, Sumit Kumar Debnath +1

The rapid expansion of the Internet of Things (IoT) has led to an unprecedented scale of data exchange across heterogeneous and resource-constrained devices. Ensuring confidentiali…

cs.CR2026

Hierarchical Identity-Based Signature with Designated Aggregator from Lattices

Stuti Kumari, Kunal Dey, Vikas Srivastava +1

In hierarchical organizations, authenticating data from multiple users can be complex and resource-intensive. Hierarchical Identity-Based Signature with Designated Aggregator (HIBS…

cs.CR2026

A Post-Quantum Secure End-to-End Verifiable E-Voting Protocol Based on Multivariate Polynomials

Vikas Srivastava, Debasish Roy, Sihem Mesnager +3

Voting is a primary democratic activity through which voters select representatives or approve policies. Conventional paper ballot elections have several drawbacks that might compr…

cs.CR2026

Isogeny-based Post-Quantum Proxy Signature for Internet of Things

Somnath Kumar, Kunal Dey, Vikas Srivastava +3

The rapid growth of the Internet of Things (IoT) introduces challenges in secure authentication and delegation due to the limited computational capabilities of devices. Proxy signa…

cs.CR2025

Error Detection Schemes for Barrett Reduction of CT-BU on FPGA in Post Quantum Cryptography

Paresh Baidya, Rourab Paul, Vikas Srivastava +1

A fault can occur naturally or intentionally. However, intentionally injecting faults into hardware accelerators of Post-Quantum Cryptographic (PQC) algorithms may leak sensitive i…