STEP 1: Find the output of Permutation using given table? STEP 2: Using the result of Step 1, find the output of S-Box 4?

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Subject : Computer sciences / Information security

Question :Using given plain text perform the following step-wise…………………..
Plain text (hexadecimal): 01 08 00 08 00 00 00 40

( screen shot is attached , kindly refer to it )


STEP 1: Find the output of Permutation using given table?
STEP 2: Using the result of Step 1, find the output of S-Box 4?

 

58 50
42 34 26 18 10 2
60 52 44 36 28 20 12 4
62 54 46 38 30 22 14 6
64 56 48 40 32 24 16 8
57 49 41 33 25 17 9 1
59 51
43 35 27 19 11 3
61 53 45 37 29 21 13 5
S Box 4 Table
63 55 47 39 31 23 15 7
Transcribed Image Text:58 50 42 34 26 18 10 2 60 52 44 36 28 20 12 4 62 54 46 38 30 22 14 6 64 56 48 40 32 24 16 8 57 49 41 33 25 17 9 1 59 51 43 35 27 19 11 3 61 53 45 37 29 21 13 5 S Box 4 Table 63 55 47 39 31 23 15 7
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