I guess you are done with Caesar I, aren't you?
The big problem with caesar is that it does not allow digits or other characters.
I have fixed this, and now I can use any ascii character in the plaintext.
The keyspace has increased from 26 to 128 too. \o/

Enjoy!

5E 06 06 7B 20 01 06 79 43 20 10 06 0C 20 0A 06
03 0D 7C 7B 20 06 05 7C 20 04 06 09 7C 20 7A 7F
78 03 03 7C 05 7E 7C 20 00 05 20 10 06 0C 09 20
01 06 0C 09 05 7C 10 45 20 6B 7F 00 0A 20 06 05
7C 20 0E 78 0A 20 7D 78 00 09 03 10 20 7C 78 0A
10 20 0B 06 20 7A 09 78 7A 02 45 20 6E 78 0A 05
3E 0B 20 00 0B 56 20 48 49 4F 20 02 7C 10 0A 20
00 0A 20 78 20 08 0C 00 0B 7C 20 0A 04 78 03 03
20 02 7C 10 0A 07 78 7A 7C 43 20 0A 06 20 00 0B
20 0A 7F 06 0C 03 7B 05 3E 0B 20 7F 78 0D 7C 20
0B 78 02 7C 05 20 10 06 0C 20 0B 06 06 20 03 06
05 7E 20 0B 06 20 7B 7C 7A 09 10 07 0B 20 0B 7F
00 0A 20 04 7C 0A 0A 78 7E 7C 45 20 6E 7C 03 03
20 7B 06 05 7C 43 20 10 06 0C 09 20 0A 06 03 0C
0B 00 06 05 20 00 0A 20 04 04 7D 7B 04 7F 05 79
79 7C 78 7D 45