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Kriptografi

Kriptografi. Kritografi. Kritografi “kuno” Subtitusi Cipher Transposisi Cipher Kriptografi Modern. Kriptografi Kuno. Subtitution Cipher Monoalphabetic Cipher Polyalphabetic Cipher Transposition Cipher Mirror/Reverse, Rail Fence, Geometric Figure Row Transposition Cipher

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Kriptografi

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  1. Kriptografi

  2. Kritografi • Kritografi “kuno” • Subtitusi Cipher • Transposisi Cipher • Kriptografi Modern

  3. Kriptografi Kuno • Subtitution Cipher • Monoalphabetic Cipher • Polyalphabetic Cipher • Transposition Cipher • Mirror/Reverse, Rail Fence, Geometric Figure • Row Transposition Cipher • Block Transposition Cipher • ADVGFX Product Cipher

  4. Monoalphabetic Cipher • Caesar Chiper • L FDPH L VDZ L FRQTXHUHG • I CAME I SAW I CONQUERED • Mixed Monoalphabetic Cipher • A M I K O M • D C W E H C

  5. Monoalphabetic Cipher • Easier Monoalphabetic Cipher • B E R D A S I • M O C K A D S • Kelemahan : • Frekuensi kemunculan huruf tidak dapat dihilangkan

  6. Polyalphabetic Cipher • Vigenere CiPHER

  7. Polyalphabetic Cipher • Beuford Cipher

  8. Polyalphabetic Cipher • Varian Beuford Cipher

  9. Polyalphabetic Cipher • Autokey Cipher • Book Chiper • Mengambil kunci dari suatu alamat buku

  10. Transposition Cipher • Reverse Cipher • AHAS UGNE PNOLA CTAP METMO KIMA • Rail Fence cipher • JLN AIR NYGA ATA AKLU AGOY KRA • Geometric Figure • KSEDIR IFERAP TRHA NAGO

  11. Transposition Cipher • Row Transposition Cipher Chipertext : EAPTM KILTU HLAAC NNEOP UHAGS AAAAA • Kunci :

  12. Transposition Cipher • Block(Cloumnar) Transposition Cipher Chipertext : EKH NUAA ILNHA PLAE AATTAO GAMUC PSA

  13. Transposition Cipher • Nihilist Transposition Cipher Chipertext : NNEO PEAP TMUH AGSH LAAC KIL TUAA AAA

  14. Transposition Cipher • Diagonal Transposition Cipher Chipertext : EAKHI PTLLN UNAT MUAE JAAAO CPGA ASA

  15. Transposition Cipher • ADFGVX Product Transposition Cipher Plaintext : A M I K O M Intermediate : GV XX XF AA VD XX

  16. Transposition Cipher • Plaintext : A M I K O M • Intermediate : GV XX XF AA VD XX • Kemudian dilakukan transposisi dengan suatu kunci • mis key : DASI (2143) • Ciphertext : VFDGXV XAXXAX

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