Cryptography · 42 patterns
Key exchange protocol
Cipher Pattern · Rotation — wallpaper⁶
Cipher Pattern · Hexagon — wallpaper⁶
Cipher Pattern · Kaleidoscope — wallpaper⁶
Cipher Pattern · Vertical Strip — wallpaper⁶
Cipher Pattern · Mirror — wallpaper⁶
Cipher Pattern · Diamond — wallpaper⁶