This module covers the difference between the block modes noted in the title, from Domain 3, Security Architecture and Engineering (Cryptography). The modes discussed are Electronic Code Book (ECB), Cipher Block Chaining (CBC), Cipher Feedback Mode (CFB), Output Feedback Mode (OFB), and Counter Mode (CTR). Visit [ Ссылка ] for access to over 1,300 practice questions and some excellent tools to help you prepare.

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