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!

6A 12 12 07 20 0D 12 05 4F 20 1C 12 18 20 16 12
0F 19 08 07 20 12 11 08 20 10 12 15 08 20 06 0B
04 0F 0F 08 11 0A 08 20 0C 11 20 1C 12 18 15 20
0D 12 18 15 11 08 1C 51 20 77 0B 0C 16 20 12 11
08 20 1A 04 16 20 09 04 0C 15 0F 1C 20 08 04 16
1C 20 17 12 20 06 15 04 06 0E 51 20 7A 04 16 11
4A 17 20 0C 17 62 20 54 55 5B 20 0E 08 1C 16 20
0C 16 20 04 20 14 18 0C 17 08 20 16 10 04 0F 0F
20 0E 08 1C 16 13 04 06 08 4F 20 16 12 20 0C 17
20 16 0B 12 18 0F 07 11 4A 17 20 0B 04 19 08 20
17 04 0E 08 11 20 1C 12 18 20 17 12 12 20 0F 12
11 0A 20 17 12 20 07 08 06 15 1C 13 17 20 17 0B
0C 16 20 10 08 16 16 04 0A 08 51 20 7A 08 0F 0F
20 07 12 11 08 4F 20 1C 12 18 15 20 16 12 0F 18
17 0C 12 11 20 0C 16 20 10 10 09 07 10 0B 11 05
05 08 04 09 51