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Shigo @gxxdart - M-41149
Cryptology
A. Sandi Morse
Sandi Morse adalah sistem representasi huruf, angka, tanda baca dan sinyal dengan menggunakan kode titik dan garis yang disusun mewakili karakter tertentu pada alfabet atau sinyal (pertanda) tertentu yang disepakati penggunaannya di seluruh dunia.
Berikut ini adalah kode-kode yang digunakan dalam sandi morse:
Huruf
A .- G --. M -- S ... Y -.--
B -... H .... N -. T - Z --..
C -.-. I .. O --- U ..-
D -.. J .--- P .--. V ...-
E . K -.- Q --.- W .--
F ..-. L .-.. R .-. X -..-
Contoh:
Nadine = -. / .- / -.. / .. / -. / .
Shigo = ... / .... / .. / --. / ---
B. Sandi Kurung
Sandi Kurung adalah suatu chiper yang didalamnya memakai tanda kurung [ ( ]. Cara membuat atau pun memecahkan sandi ini terbilang mudah. Karena kita hanya perlu menyocokan sandinya dengan huruf-huruf yang ada.
Format sandi kurung adalah seperti ini:
A: ( G: (4 M: ((2 S: ((8 Y: (((6
B: (( H: (5 N: ((3 T: (((1 Z: (((7
C: ((( I : (6 O: ((4 U: (((2
D: (1 J: (7 P: ((5 V: (((3
E: (2 K: (8 Q: ((6 W: (((4
F: (3 L: ((1 R: ((7 X: (((5
Contoh:
((3 ( (1 (6 ((3 (2 = NADINE
SHIGO = ((8 (5 (6 (4 ((4
C. Sandi Rot
Sandi Rot adalah sandi geser. Dimana huruf-huruf asli dari chiper akan dirubah sesuai dengan angka Rot yang ditentukan. Bentuk umum dari sandi Rot adalah Sandi Rot 13. Dimana ROT13 ini dikenal juga dengan sandi A=N karena posisinya yang menggeser huruf sebanyak 13x.
Contoh:
ROT13
ABCDEFGHIJKLMNOPQRSTUVWXYZ
NOPQRSTUVWXYZABCDEFGHIJKLM
ANQVAR = NADINE
SHIGO = FUVTB
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