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!

0C 34 34 29 20 2F 34 27 71 20 3E 34 3A 20 38 34
31 3B 2A 29 20 34 33 2A 20 32 34 37 2A 20 28 2D
26 31 31 2A 33 2C 2A 20 2E 33 20 3E 34 3A 37 20
2F 34 3A 37 33 2A 3E 73 20 19 2D 2E 38 20 34 33
2A 20 3C 26 38 20 2B 26 2E 37 31 3E 20 2A 26 38
3E 20 39 34 20 28 37 26 28 30 73 20 1C 26 38 33
6C 39 20 2E 39 04 20 76 77 7D 20 30 2A 3E 38 20
2E 38 20 26 20 36 3A 2E 39 2A 20 38 32 26 31 31
20 30 2A 3E 38 35 26 28 2A 71 20 38 34 20 2E 39
20 38 2D 34 3A 31 29 33 6C 39 20 2D 26 3B 2A 20
39 26 30 2A 33 20 3E 34 3A 20 39 34 34 20 31 34
33 2C 20 39 34 20 29 2A 28 37 3E 35 39 20 39 2D
2E 38 20 32 2A 38 38 26 2C 2A 73 20 1C 2A 31 31
20 29 34 33 2A 71 20 3E 34 3A 37 20 38 34 31 3A
39 2E 34 33 20 2E 38 20 35 35 29 31 2C 29 2D 32
32 38 37 29 73