Question
Suppose the character set and positions of characters are given by: Position 0 1 2 3 4 5 6 7 8 9 10 11 12
Suppose the character set and positions of characters are given by:
| Position | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |||||||||||||
| Character | A | B | C | D | E | F | G | H | I | J | K | L | M | |||||||||||||
| 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| |||||||||||||
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| |||||||||||||
Now lets use position-based substitution to decrypt message: CATTIGER
(2.1) If the secret key is: SUN, what is the plaintext? Please show the decryption process. (25 points)
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Database Driven Web Sites
Authors: Mike Morrison, Joline Morrison
1st Edition
061901556X, 978-0619015565
