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Date: 14 Agustus 2015
TRIFID CIPHER
Trifid cipher, sama hal nya dengan bifid. Trifid juga diciptakan oleh Felix Delastelle. Awalnya dia hanya membuat sandi dalam 1 kotak (bifid), karena ingin mempersulit pemecahan, maka ia membentuk perluasan dengan menambahkan dimensi baru pada kodenya, yaitu dengan pembagian 3 kotak (trifid) untuk memperkecil kemungkinan pesan dalam sandi/cipher itu gampang dipecahkan saat mengirim pesan ketika perang, dimana jika pada sandi BIFID kemarin menggunakan 1 buah kotak 5x5 + maka pada sandi TRIFID kali ini kita menggunakan 3 buah kotak 3x3.
(tabel trifid liat dipict)
Cara pembacaannya sama dengan bifid. vertikal-horizontal. Namun ditambah Kotak ke-x didepannya, Contoh ;
huruf O = 232
Maksudnya adlah
2 angka pertama : kotak ke berapa huruf berada
3 angka ke-2 : kolom vertikal
2 angka ke-3 : baris horizontal
jadi huruf O ada pada kodinator 232
contoh: pakai kata NATA
: NATA
2 1 3 1
2 1 2 1
2 1 1 1
> 2131-2121-2111
Dibagi tiga2 menjadi 213 121 212 111 = PBMA
jadi trifid dari NATA adalah PBMA
>> Untuk membaca encrypt lakukan secara terbalik. Maksudnya lakukan stepnya scara mundur.
hunh94x
D-10484
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