Lec 17- Public Key Infrastructure

Key Management


  • Generation
  • Verification
  • Storage
  • Exchange
  • Revocation
  • Destruction

Digital Signatures

Verifies unique source of data source

DH Key exchange

Provide secure key exchange over untrusted channels

Certificate Authority

Certificate Authority is entity issuing/revocating digital certificates

Digital Certificate

Use of digital certificate is to verify that a user sending message is the one who it claims to be.

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