Cryptographic Modes of Operation

Cryptographic Modes of Operation

  • Electronic Code Book (ECB)
  • Cipher Block Chaining (CBC)
  • Cipher Feedback (CFB)
  • Output Feedback (OFB)
  • Counter (CTR)
  • Galois/Counter (GCM)
  • Counter with Cipher Block Chaining Message Authentication Code (CCM)


External Resources

  •  “CISSP Official Study Guide Ninth Edition”, Mike Chaple, James Michael Stewart, Darril Gibson; Sybex; 2021; Chapters 6 “Cryptography and Symmetric Key Algorithms”, pp. 245-246


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