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🔒 AES Encryption Overview

AES is a symmetric-key encryption algorithm used globally by governments, banks, and security systems to protect sensitive data. It converts plaintext (readable data) into ciphertext (unreadable, encrypted data) using the same secret key for both encryption and decryption.

It operates on a fixed-size block of data (128 bits) and uses key sizes of 128, 192, or 256 bits. The key determines the number of transformation rounds (10, 12, or 14 rounds, respectively) the data goes through, ensuring a high level of security.

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