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The Ciphertext for the Plaintext 01110010, given that the keys K1 is 10100100 and K2 is 01000011 is

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The Ciphertext for the Plaintext 01110010, given that the keys K1 is 10100100 and K2 is 01000011 is

(a) 01110111

(b) 10010110

(c) 01010110

(d) 01000101

I got this question in homework.

The query is from The Simplified Data Encryption Standard (SDES) topic in chapter Block Ciphers and the Data Encryption Standard of Cryptograph & Network Security

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Best answer
The correct choice is (a) 01110111

To explain: Perform the SDES algorithm and compute the cipher text.

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