Kaedah Sifer

Asas Sains Komputer

Not quite remember

I easily remember

Senarai kaedah sifer

Reverse cipher, Substitution cipher, Transposition cipher

Jenis reverse cipher

Songsangan dilakukan berdasarkan: abjad, perkataan dan seluruh mesej

Contoh Substitution cipher

Caeser cipher, Pigpen cipher

Nama lain bagi Caeser cipher

Shift cipher

Teks biasa = API (Caeser cipher: kunci = 2)

Teks sifer = YNG (Caeser cipher: kunci = 2)

Maksud transposition cipher

Mengubah kedudukan abjad dalam teks biasa

Jenis transposition cipher

Columnar transposition, Rail fence cipher

Maksud columnar cipher

Penyulitan mesej dalam jadual mendatar dengan bilangan lajur yang ditetapkan

Nama lain bagi Rail fence cipher

Zig-zag cipher

Teks sifer = HLJMRQBO (Caeser cipher: kunci = 3)

Teks biasa = KOMPUTER (Caeser cipher: kunci = 3)

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