Kaomojis

🔳🔡🔢

#polybius square #cipher #cryptography #grid cipher #encryption #5x5 grid

⊞AB⊞CD🗝️

#two square cipher #manual cipher #classical cryptography #grid cipher #letter pairs #cipher key

#️⃣🔒#️⃣

#two square cipher #grid cipher #symmetric cipher #secret code #classical cipher

✌️#️⃣#️⃣🔑

#two square cipher #double playfair #grid cipher #classical cryptography #encryption key