Lessons from the Past: How Historical Ciphers Influence Modern Encryption

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 While outdated, historical ciphers laid the foundation for today’s cryptographic systems. Their contributions include:

🔹 Key Management – Weak key patterns (like in Vigenère) highlighted the need for strong, random keys.
🔹 Algorithm Complexity – The fall of simple ciphers led to AES and RSA, which use advanced mathematics instead of basic letter shifts.
🔹 Computational Security – The breakability of Enigma demonstrated that strong encryption must be resistant to automated attacks.

Modern encryption, such as AES-256 and RSA-2048, is designed to be computationally infeasible to break—at least until quantum computing advances.



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