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!

72 1A 1A 0F 20 15 1A 0D 57 20 24 1A 20 20 1E 1A
17 21 10 0F 20 1A 19 10 20 18 1A 1D 10 20 0E 13
0C 17 17 10 19 12 10 20 14 19 20 24 1A 20 1D 20
15 1A 20 1D 19 10 24 59 20 7F 13 14 1E 20 1A 19
10 20 22 0C 1E 20 11 0C 14 1D 17 24 20 10 0C 1E
24 20 1F 1A 20 0E 1D 0C 0E 16 59 20 02 0C 1E 19
52 1F 20 14 1F 6A 20 5C 5D 63 20 16 10 24 1E 20
14 1E 20 0C 20 1C 20 14 1F 10 20 1E 18 0C 17 17
20 16 10 24 1E 1B 0C 0E 10 57 20 1E 1A 20 14 1F
20 1E 13 1A 20 17 0F 19 52 1F 20 13 0C 21 10 20
1F 0C 16 10 19 20 24 1A 20 20 1F 1A 1A 20 17 1A
19 12 20 1F 1A 20 0F 10 0E 1D 24 1B 1F 20 1F 13
14 1E 20 18 10 1E 1E 0C 12 10 59 20 02 10 17 17
20 0F 1A 19 10 57 20 24 1A 20 1D 20 1E 1A 17 20
1F 14 1A 19 20 14 1E 20 18 18 11 0F 18 13 19 0D
0D 10 0C 11 59