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Preparing Systems for the Transition to Post-Quantum Cryptography (PQC)
How to Migrate Safely and Stay Ahead of Quantum Attacks Quantum computing is not a distant academic fantasy anymore. The moment a sufficiently powerful quantum computer becomes available, a large portion of today’s cryptographic infrastructure will collapse overnight. If your systems are not prepared before that moment, no patch, hotfix, or emergency migration will…
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When Encryption Depends on Errors, Not Data
A Critical Look at Noise-Based Security in Quantum-Safe Cryptography Introduction: Security Built on Uncertainty Quantum-safe cryptography was designed to survive a future where quantum computers break today’s public-key systems. To achieve this, many post-quantum schemes rely not on number-theoretic hardness, but on structured randomness, often referred to as noise.At first glance, this sounds elegant:…
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Post-Quantum Cryptography: What It Is and How It Protects Us from Quantum Attacks
Introduction The digital world depends on cryptography that was designed for classical computers. Protocols like RSA, Diffie–Hellman, and elliptic-curve cryptography (ECC) secure everything payments, messaging, software updates, VPNs, authentication.But here’s the uncomfortable truth: a sufficiently powerful quantum computer can break all of them using Shor’s algorithm. This is exactly why post-quantum cryptography exists. PQC…
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Quantum Vulnerabilities in Today’s Cryptography
A Historical Perspective and a Forward-Looking Defense Strategy For decades, modern cryptography has relied on mathematical problems assumed to be computationally infeasible for classical computers. Algorithms like RSA, Diffie-Hellman, and Elliptic Curve Cryptography (ECC) derive their security from the hardness of factoring large integers or solving discrete logarithms. This design has worked because no…
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Post-Quantum Cryptography: The Final Digital Defense Line
The rapid progress of quantum computing has forced a major shift in the foundations of modern cybersecurity. Today’s most widely used cryptographic systems — RSA, Diffie-Hellman, and Elliptic Curve Cryptography (ECC) — were designed under the assumption that certain mathematical problems require an impractical amount of time to solve. Quantum computers break that assumption.…