Discover the fascinating world of classical cryptography with this comprehensive educational app featuring 12 historically significant ciphers.

Key Features:
- 12 Classical Ciphers: Caesar, Vigenère, Hill, Atbash, Pigpen, ROT13/47, Rail Fence, Bacon, Transposition, Affine, and Simple Substitution
- Real-time Encryption & Decryption with intuitive interface
- Historical Context for each cipher with educational background
- Interactive Learning with parameter guidance and visual feedback

Perfect for:
- Students studying cryptography and computer science
- History enthusiasts interested in secret communications
- Teachers demonstrating encryption concepts
- Anyone curious about how messages were protected throughout history