In ECB mode, how does a single bit error in the ciphertext affect the decrypted plaintext?

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Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

In ECB mode, how does a single bit error in the ciphertext affect the decrypted plaintext?

Explanation:
In ECB mode, each block is encrypted and decrypted independently with the same key. A single bit error in one ciphertext block only disrupts the decryption of that specific block. The other blocks are unaffected because they are not linked to it. The corrupted block typically yields a garbled plaintext, but the rest of the message decrypts normally. It does not reveal the key, nor does it cause decryption to fail for the entire message.

In ECB mode, each block is encrypted and decrypted independently with the same key. A single bit error in one ciphertext block only disrupts the decryption of that specific block. The other blocks are unaffected because they are not linked to it. The corrupted block typically yields a garbled plaintext, but the rest of the message decrypts normally. It does not reveal the key, nor does it cause decryption to fail for the entire message.

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