🛡️ Implement classical ciphers using a pure POSIX approach; explore encryption and decryption methods without bashisms in a fun coding project.
java library cpp ascii rot13 encrypt decrypt hill-cipher caesar-cipher classical-ciphers playfair-cipher ceaser-cipher railfence-cipher trithemius-cipher introduction-to-cryptography beaufort-cipher atbash-cipher nihilist-cipher
-
Updated
Sep 7, 2025 - PHP