Java Security

To start, I have essentially no knowledge of cryptography, but I did have an idea of how to encrypt something. It's quite simple, and while I'm sure not very good, I can't see how one would go about cracking it except by brute force. Anyhow, I have a couple questions (I searched on google to try to find somewhere else to post about this, but didn't find anything.....):

(1) Where's a good place to ask questions about this subject?
(2) Is there anywhere I could post the encrypted text and have people try to crack it and if they are successful (as I'm sure they would be) tell me how they went about it, etc?

Thanks,
m

ps: In case anyone is interested, I coded up a naive implementation of my naive concept and...

----- encrypted file hex dump -----

0000:0000 fe ff ab ba 0c 6e 15 6d 4e 1e 17 0d 01 9f 25 b4 ����.n.mN.....%�
0000:0010 26 31 2d 94 75 f5 74 ba 61 51 5c 58 3f c8 60 1c &1-.u�t�aQ\X?�`.
0000:0020 44 56 5f c1 5b b5 37 fc 1d ba 6f df 68 4c 59 46 DV_�[�7�.�o�hLYF
0000:0030 5b 4b 01 19 33 f4 76 84 7d 6b 6b e7 7c a8 57 d1 [K..3�v.}kk�|�W�
0000:0040 69 33 02 6f 52 ef 6b cb 46 9c 08 c1 4a 3e 3c d5 i3.oR�k�F..�J><�
0000:0050 7e 3f 17 33 73 07 7d e4 29 1c 0d 2f 19 cc 45 4a ~?.3s.}�)../.�EJ
0000:0060 6a 7a 65 f8 66 d4 34 be 4f bd 4a 41 26 2a 23 20 jze�f�4�O�JA&*#
0000:0070 69 51 1e 60 5d ed 32 18 39 03 31 fd 2a 78 6d e7 iQ.`]�2.9.1�*xm�
0000:0080 0a ae 74 fd 0d cb 4b a0 67 1f 5c 3d 7a 75 03 14 .�t�.�K g.\=zu..
0000:0090 3b c8 1e 1e 1b 4c 31 a3 37 37 32 6c 75 71 07 b7 ;�...L1�772luq.�
0000:00a0 62 90 2d 6b 20 e8 56 40 60 4f 21 bf 51 55 29 01 b.-k �V@`O!�QU).
0000:00b0 2e 4d 14 17 46 d7 .M..F�

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