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The real question is how do you generate keys?
You use a known source of material. For example, here's one way you could easily distribute messages to a wide audience using off-the-shelf tools. 1. Buy one of the many porno CD-ROMs. Pick one which is fairly widespread and to which your source will also have access (i.e. if you're in Denmark, don't choose a child porno CD to communicate with someone in the US.) Of course, audio or other types of data CDs will work here too. 2. Make _prearranged_ changes to your source file: convert JPEG->GIF, or apply a Gaussian blur- whatever suits your fancy. 3. XOR in your message text. 4. Post to Usenet, indicating the source of the materials (i.e. "This picture came from `Girls of The Rural South, vol 1'" or "Audio sampled from Michael Jackson's _Dangerous_") Step 1 insures that your recipient will have access to the same source material. Step 2 helps mask your message by introducing _other_ differences between the step 1 source and the transmitted message. Step 4 gives you an easy, safe, distributed transmission medium. Repeat as necessary. - -Paul - -- Paul Robichaux, KD4JZG | "Violence on TV? Why can't it be on CSPAN?" Intergraph Federal Systems | - Clayton Cramer, cramer@optilink.com Not speaking for Intergraph | Be a cryptography user. Ask me how. -----BEGIN PGP SIGNATURE----- Version: 2.3a iQCVAgUBLPuvliA78To+806NAQHinwQAjYCOz85KnpG49G5wat6bUew1TQHVhB9B YatgH2aBDhxADDNVB2f9V2ozs/t35grX3zkwKbB3yWcxAHjIoJg2vuKP8CrHrqZ9 Q7NJlbRUQczZLGoUi8S3jO35a6cyABDofTydmhsSj/Si6vgBRoit2reDA/Agkt3X Y1r4Qv7Dbzs= =8GwG -----END PGP SIGNATURE-----