Playfair Cipher
Pang-edukasyon na klasikong cipher ito, hindi modernong secure encryption.
A–Z lang; nagiging I ang J. Hinahati at pinupuno ng X ang mga pares.
Paano gamitin
Paano gamitin
- Enter a key and letters.
- Choose encrypt or decrypt.
- Review the result and filler rules.
Defined rules
Ipinapakita ang Playfair gamit ang 5×5 grid; pinagsasama ang I/J at X ang filler para sa magkaparehong titik.
Pair processing
Same-row and same-column shifts wrap around; rectangle pairs use opposite corners. X separates repeated letters and fills odd length.
Mga madalas itanong
Maaari mo ring alamin
What happens to J?
J becomes I.
Is this secure?
No. It is educational only.