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What are the potential limitations of Electronic Code Book (ECB)?   Question 13 options:   If one ciphertext block is corrupted during the transmission, all subsequent ciphertext blocks cannot be decrypted unless until corrupted block is successfully retransmitted.    If the same message (e.g., an SSN) is encrypted (with the same key) and sent twice, their ciphertexts are the same.   It needs an initialization vector to operate.   Repetitive patterns contained in the plaintext may be revealed in the ciphertext, if aligned with blocks.

What are the potential limitations of Electronic Code Book (ECB)?   Question 13 options:   If one ciphertext block is corrupted during the transmission, all subsequent ciphertext blocks cannot be decrypted unless until corrupted block is successfully retransmitted.    If the same message (e.g., an SSN) is encrypted (with the same key) and sent twice, their ciphertexts are the same.   It needs an initialization vector to operate.   Repetitive patterns contained in the plaintext may be revealed in the ciphertext, if aligned with blocks.

Systems Architecture
Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter8: Data And Network Communication Technology
Section: Chapter Questions
Problem 41VE
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What are the potential limitations of Electronic Code Book (ECB)?

 

Question 13 options:

 

If one ciphertext block is corrupted during the transmission, all subsequent ciphertext blocks cannot be decrypted unless until corrupted block is successfully retransmitted. 
 

If the same message (e.g., an SSN) is encrypted (with the same key) and sent twice, their ciphertexts are the same.
 

It needs an initialization vector to operate.
 

Repetitive patterns contained in the plaintext may be revealed in the ciphertext, if aligned with blocks.
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