Question: 2. Consider two block ciphers, Electronic Code Block (ECB) and Cipher Block Chaining (CBC), which take a fixed-length block of text of length b

2. Consider two block ciphers, Electronic Code Block (ECB) and Cipher Block

2. Consider two block ciphers, Electronic Code Block (ECB) and Cipher Block Chaining (CBC), which take a fixed-length block of text of length b bits and key K a) Draw the diagrams for ECB and CBC with general equations b) Describe the advantage of CBC over ECB c) What type of application can the ECB be used? d) In terms of error propagation, what happens if the first block in both ECB and CBC is in error (modified)

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a ECB stands for Electronic Codebook Mode Its figure shown below b bit Plaintext ... View full answer

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