Cryptography Tutorials - Herong's Tutorial Examples - Version 5.40, by Dr. Herong Yang
DES Encryption Operation Modes
This chapter provides tutorial examples and notes about DES encryption operation modes. Topics include how different blocks of plaintext can be coupled together to improve the strength of the DES encryption algorithm; ECB (Electronic CodeBook), CBC (Cipher Block Chaining), CFB (Cipher FeedBack), and OFB (Output FeedBack) Operation Modes.
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