1 what is the effect of a dropped ciphertext block eg if, Ask an Expert

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1. What is the effect of a dropped ciphertext block (e.g., if the trabsmitted ciphertext c₁, c₂, c₃, . . . is received as c₁, c₃, . . .) when using the CBC, OFB, and CTR modes of operation?

2. 3 Say CBC-mode encryption is used with a block cipher having a 256-bit key and 128-bit block length to encrypt a 1024-bit message. What is the length of the resulting ciphertext?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91997369

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