7 papers
Generalized State Discrimination for Tunable Quantum Key Distribution
Animesh Banik, Md. Shihab Khan, Rafid Masrur Khan +2
We introduce a tunable framework for generalized quantum state discrimination (GSD) and apply it to quantum key distribution (QKD) through a protocol we call phiQKD. Building upon…
Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM
Animesh Banik, Md. Shihab Khan, Rafid Masrur Khan +2
We introduce an efficient and versatile quantum teleportation protocol for specific types of n-qubit entangled states. By employing a partially entangled Greenberger-Horne-Zeilinge…
Pulse-to-Circuit Characterization of Stealthy Crosstalk Attack on Multi-Tenant Superconducting Quantum Hardware
Syed Emad Uddin Shubha, Tasnuva Farheen
Hardware crosstalk in multi-tenant superconducting quantum computers constitutes a significant security threat, enabling adversaries to inject targeted errors across tenant boundar…
Pulse-Level Simulation of Crosstalk Attacks on Superconducting Quantum Hardware
Syed Emad Uddin Shubha, Tasnuva Farheen
Hardware crosstalk in multi-tenant superconducting quantum computers poses a severe security threat, allowing adversaries to induce targeted errors across tenant boundaries by inje…
Enhancing Quantum Dense Coding Robustness Using Information Entropy-Based Metrics
Syed Emad Uddin Shubha, Tasnuva Farheen
Superdense Coding is a cornerstone in secure quantum communication, exploiting pre-shared entanglement to encode two classical bits within a single qubit. However, noise and decohe…
Multi-Layered Security System: Integrating Quantum Key Distribution with Classical Cryptography to Enhance Steganographic Security
Arman Sykot, Md Shawmoon Azad, Wahida Rahman Tanha +3
In this paper, we present a novel cryptographic system that integrates Quantum Key Distribution (QKD) with classical encryption techniques to secure steganographic images. Our appr…