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!

66 0E 0E 03 20 09 0E 01 4B 20 18 0E 14 20 12 0E
0B 15 04 03 20 0E 0D 04 20 0C 0E 11 04 20 02 07
00 0B 0B 04 0D 06 04 20 08 0D 20 18 0E 14 11 20
09 0E 14 11 0D 04 18 4D 20 73 07 08 12 20 0E 0D
04 20 16 00 12 20 05 00 08 11 0B 18 20 04 00 12
18 20 13 0E 20 02 11 00 02 0A 4D 20 76 00 12 0D
46 13 20 08 13 5E 20 50 51 57 20 0A 04 18 12 20
08 12 20 00 20 10 14 08 13 04 20 12 0C 00 0B 0B
20 0A 04 18 12 0F 00 02 04 4B 20 12 0E 20 08 13
20 12 07 0E 14 0B 03 0D 46 13 20 07 00 15 04 20
13 00 0A 04 0D 20 18 0E 14 20 13 0E 0E 20 0B 0E
0D 06 20 13 0E 20 03 04 02 11 18 0F 13 20 13 07
08 12 20 0C 04 12 12 00 06 04 4D 20 76 04 0B 0B
20 03 0E 0D 04 4B 20 18 0E 14 11 20 12 0E 0B 14
13 08 0E 0D 20 08 12 20 0C 0C 05 03 0C 07 0D 01
01 04 00 05 4D