Basic HTML version of Foils prepared July 6 99

Foil 20 Public Key Cryptography (2)

From Security Infrastructure fo Electronic Commerce and Internet CPS714 Computational Science Information Track -- June 2 and June 7 99. by Roman Markowski
Asymmetric (public-key) Cryptography
  • adding Confidentiality; 2 keys mathematically linked: public and private keys (RSA, DH)
  • either can be used for encryption /decryption
  • problem: computationally intensive
Recipient's
Public Key
Cleartext
message
Cleartext
message
Encrypt
Decrypt
Recipient's
Private key

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