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Use the block cipher F_k(x) in the table below to encipher the plaintext AH by using the 8 bit binary ASCII representation of the letters,
Use the block cipher F_k(x) in the table below to encipher the plaintext AH by using the 8 bit binary ASCII representation of the letters, subdividing into 4 bit blocks and using the key k=001.
| x_1x_2x_3 | S(x_1x_2x_3) |
| 000 | 11 |
| 001 | 01 |
| 010 | 00 |
| 011 | 10 |
| 100 | 01 |
| 101 | 00 |
| 110 | 11 |
| 111 | 10 |
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Performing With Computer Applications Personal Information Manager Word Processing Desktop Publishing Spreadsheets Databases Presentations Assessment Manager
Authors: Iris Blanc
3rd Edition
141886515X, 978-1418865153
