Cryptographic Concepts in Network Security
Explore essential cryptographic concepts in network security through lecture notes by Scott Shenker and Mike Freedman. Topics covered include encryption, decryption, key types, eavesdropping, masquerading, and more.
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Presentation Transcript
Plaintext Plaintext Internet Encrypt with secret key Decrypt with secret key Ciphertext
Plaintext Plaintext Internet Encrypt with public key Decrypt with private key Ciphertext
Plaintext Plaintext Internet Decrypt with public key Encrypt with private key Ciphertext
corrupted msg Plaintext Plaintext NO = digest Internet Digest (MD5) Digest (MD5) digest
Browser Amazon HTTPS
HTTPS Browser Amazon K K
