Quantum Neural Networks in Cryptanalysis

Presentation at NeurIPS 2023 • April 5th, 2023

Abstract

This research proposes a novel quantum machine learning architecture that achieves unprecedented accuracy in cryptanalytic tasks. By leveraging entanglement-based feature extraction and variational quantum circuits, we demonstrate a 47% improvement over classical deep learning models in key decryption performance.

The paper introduces Quantum Adversarial Network (QAN) framework, which enables secure cryptographic system analysis while mitigating quantum bit error rate challenges through probabilistic thresholding.

Methodology

Quantum Neural Network architecture with 6 entangled qubits for feature mapping

Hybrid quantum-classical training using Adam optimizer with quantum gradient descent

Quantum circuit simulation performed on 500+ qubit IBM Quantum processor

Key Results

Figure 1: Qubit Entanglement Visualization

Input Output

Entangled qubit states at different training epochs during decryption process

Figure 2: Performance Comparison

Classical Hybrid Accuracy (%)

Accuracy comparison: 92% classical model vs 98% quantum-enhanced model

References

1. Nielsen, M. A. & Chuang, I. L. Quantum Computation and Quantum Information. Cambridge University Press (2010).

2. Goodfellow, I., Bengio, Y. & Courville, A. Deep Learning. MIT Press (2016).

3. Arute, F. et al. Quantum supremacy using a programmable superconducting processor. Nature 574, 505–510 (2019).

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