Digital Signature and PKI

1,637 views

Published on

Published in: Technology, Travel
  • Be the first to comment

  • Be the first to like this

Digital Signature and PKI

  1. 1. @seizans
  2. 2. • [ ]•
  3. 3. MAC•• •B A A • B C A • B A A B •
  4. 4. •• Alice Bob• • Alice • Alice • Alice
  5. 5. • • MAC Alice Bob • Alice Bob •• • Bob Alice • • Bob • •
  6. 6. •• • •••••※
  7. 7. • MITM(Man in the middle) • •• • •
  8. 8. • MITM • ( ) • MIMT
  9. 9. • • •• • ( ) • (CA:Certification Authority)
  10. 10. •• CA• CA• CA ( CA )•

×