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20080916 kriptografi
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20080916 kriptografi

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kriptografi

kriptografi

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Transcript

  • 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