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!

5D 05 05 7A 20 00 05 78 42 20 0F 05 0B 20 09 05
02 0C 7B 7A 20 05 04 7B 20 03 05 08 7B 20 79 7E
77 02 02 7B 04 7D 7B 20 7F 04 20 0F 05 0B 08 20
00 05 0B 08 04 7B 0F 44 20 6A 7E 7F 09 20 05 04
7B 20 0D 77 09 20 7C 77 7F 08 02 0F 20 7B 77 09
0F 20 0A 05 20 79 08 77 79 01 44 20 6D 77 09 04
3D 0A 20 7F 0A 55 20 47 48 4E 20 01 7B 0F 09 20
7F 09 20 77 20 07 0B 7F 0A 7B 20 09 03 77 02 02
20 01 7B 0F 09 06 77 79 7B 42 20 09 05 20 7F 0A
20 09 7E 05 0B 02 7A 04 3D 0A 20 7E 77 0C 7B 20
0A 77 01 7B 04 20 0F 05 0B 20 0A 05 05 20 02 05
04 7D 20 0A 05 20 7A 7B 79 08 0F 06 0A 20 0A 7E
7F 09 20 03 7B 09 09 77 7D 7B 44 20 6D 7B 02 02
20 7A 05 04 7B 42 20 0F 05 0B 08 20 09 05 02 0B
0A 7F 05 04 20 7F 09 20 03 03 7C 7A 03 7E 04 78
78 7B 77 7C 44