Beyond the Crypt:

The term ENCR stands as a universal shorthand for encryption—the practice of transforming readable data (plaintext) into an unreadable format (ciphertext) to safeguard it from unauthorized access. The history of encryption is a perpetual game of cat-and-mouse between cryptographers (code makers) and cryptanalysts (code breakers), evolving from simple mechanical aids to highly sophisticated quantum-resistant algorithms. Cryptographic Standards and a 50-Year Evolution – NCCoE