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Group Presentation Slide Week13


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Group Presentation Slide Week13

  1. 1. How Encryption for Strong Security Works● What is the Encryption?● The Purpose● Enumeration of kinds● Difference of the past and present
  2. 2. What is the Encryption?Encryption is the process oftransforming information (referred toas plaintext)usingan algorithm (called cipher)to make itunreadable.
  3. 3. The PurposeTo anyone except thosepossessing special knowledge,usually referredto as a key.
  4. 4. Enumeration of kinds● [**aza] type code● Transposition type code● Symmetric-key encryption● Public key cryptosystem
  5. 5. Difference of the past and present Todays encryption is complex as the technology grows up though is very much the change with an ancient encryption form.
  6. 6. References●●