Lec 16- Cryptography algorithms and protocols

Hashing Algorithms

  • MD5 , 128 bit
  • SHA, ( SHA-1 (SHA 160 bit), SHA-2(224, 256, 384, 512))
  • LanMan, replaced with NTLM
  • NTLM, (MS Chap) weaker, replaced by keberos.

Encryption Algorithms

  • DES/3DES
  • RSA
  • PGP
  • Elliptic Curve
  • AES/AES256

Cryptography algorithms used by protocols:

Following use a combination of encryption and hashing algorithms.

SSL/TLS, SMIME, PPTP, HTTPS, L2TP, IPSEC, SSH

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