TL;DR
A new software stack allows for agnostic integration, monitoring, and management of QKD, independent from a specific vendor or technology, and a QKD simulator is presented, designed, and tested.
It is pointed out that hybrid approaches are the most efficient ones, cryptographic agility is necessary, and migration should be phased, these measures are aimed at making the transition to the post-quantum era safe and smooth.
This paper systematically outlines the current major Post-Quantum Cryptography (PQC) technology routes, including digital signature schemes based on lattice theory, coding theory, equations of multiple variables and hash functions, and elaborately analyzes the core principles and implementation paths of these technolog...
This paper suggests that as a key exchange mechanism, BB84 should be run with security parameters comparable to those of ML-KEM, and analyzes performance implications if this choice is taken, and offers general guidelines for BB84 parameter selection.
This analysis demonstrates that while hybrid PQC-QKD models reduce long-term key compromise probabilities to near 0%, they introduce a 15% to 40% increase in bandwidth overhead during initial cryptographic handshakes during initial cryptographic handshakes.
It is argued that organizations should treat cryptographic migration as a present-tense operational requirement rather than a future contingency, regardless of unresolved disagreement among experts about when a cryptographically relevant quantum computer will exist.
: In the noisy intermediate-scale quantum (NISQ) era, quantum computing resources are increasingly provided through cloud platforms, enabling users to perform quantum computations without owning expensive hardware. However, delegating computations to remote servers raises a key challenge: ensuring the privacy of the cl...
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