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How many entries are present in each of the S-boxes present in the blowfish algorithm?

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How many entries are present in each of the S-boxes present in the blowfish algorithm?

(a) 256

(b) 512

(c) 1024

(d) 64

The question was posed to me in a national level competition.

This question is from Blowfish Algorithm in section Pseudorandom Number Generation and Stream Ciphers and More Block Ciphers of Cryptograph & Network Security

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Correct option is (a) 256

Explanation: There are 4 s-boxes with 256 entries each in the blowfish algorithm.

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