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Illustration of "Cryptology"

Cryptology embraces two branche: Cryptanalysis & Cryptography

6 mains concepts of cryptography:

  • Confidentiality/Secrecy: Only the destination can read the message
  • Authentication: The destination can be sure the message is sent by the sender
  • Integrity: The message cannot be changed during the transmission
  • Source nonrepudiation: The source cannot deny sending the message
  • Destination nonrepudiation: The destination cannot deny receiving the message
  • Signatures: Third parties can be sure that the message is sent by the sender
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