5 Questions
What is the primary purpose of a Feistel cipher's block size?
To achieve greater security through diffusion
Why is a larger key size desirable in a Feistel cipher?
To achieve greater resistance to brute-force attacks
What is the tradeoff associated with larger block sizes in a Feistel cipher?
Decreased encryption/decryption speed
Why has the new AES chosen a 128-bit block size instead of the traditional 64-bit block size?
To achieve greater security through diffusion
What effect does a larger key size have on encryption/decryption speed in a Feistel cipher?
It decreases encryption/decryption speed
Test your knowledge on information security with this quiz covering topics such as data access control, data integrity, and cryptographic techniques.
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