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The blowfish algorithm’s key expansion converts a key of at most 448 bits into several subkey arrays totaling ___ bytes.(a) 4096(b) 4608(c) 4168(d) 4864I have been asked this question during an interview for a job.Question is taken from Overview topic in division Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security

Answer»

Right choice is (c) 4168

Best explanation: Key expansion converts a key of at most 448 BITS into several SUB key arrays totaling 4168 BYTES i.e. eighteen 32-bit sub keys + FOUR 8×32-bit s BOXES = 4168.



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