Does any "secure" encrypted forum software exist?
By this i mean, based on a public/private key model, but allowing
multiple reciepents/viewers and allowing people to participate in
threads and such?
Ive searched smoe, but have found nothing.

The forum might have all the public keys of the user's stored and when
a msg is posted it encrypts the msg using the reciepents private keys
and posts the msg and allows the user to view them after entering his
private key..

Any ideas?

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Request for Question Clarification by hummer-ga on 24 Jan 2005 07:59 PST

Hi again, gerth,

Would any of these be suitable?

Versatile User Groups & Forum Permissions:
    * Powerful forum, user and group permission management
    * Control forum access to specified user groups
    * Control all aspects of the posting experience
    * Allow limited access to viewing, posting, replying and many other options
http://www.phpbb.com/features.php

Invision Power Board (IPB):
http://www.invisionboard.com/?features

vBulletin:
http://www.vbulletin.com/features.php

InstantForum.NET:
http://www.instantasp.co.uk/products/instantforum/default.aspx

Simple Machines:
http://www.simplemachines.org/

Regards,
hummer

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Clarification of Question by gerth-ga on 26 Jan 2005 11:12 PST

No, im not looking for normal forum software.
basically something that works on the private key/public key ifnrastructure.

Regards.

I think Your need is to make 3 key
PublicEcription/GroupPrivateDecription/PrivateKeyDecripter key model
in which people can 
-> send you messages by encripting PublicEncription
-> Group of memeber can view messages decripting GroupDecriptor
-> Individual can get content by using Individual Decripter key

Are you looking for that ?

Hi There,

I think this software design module should help you. This software was
a feature of encryption in one of the forum and chat modules.

http://www.igo-incognito.com

regards,
Answer Boy

Hello:

I think what best fits you is the following, but focusing that you'll
have to work with object oriented programming:

First, get a open source portal (example: www.maxwebportal.com)
Then, add some fields in the database users table so each participant
must enter his public key when registering for the forums...
Finally, when somebody posts a message, some class of the soft will
save the message (one way, only "put_message" method and no
"get_message" implementation). After that, the soft will only have
some kind of method called for example "get_crypted_message(userid,
msgid)" and, when someone tries to read it, automatically the soft
will use his public key encryption(stored in the user table) as a
barrier between he and the message, so, if he wants to read the
message, he will have to enter his private key so the soft will have
enough to unlock the msg. I guess thats what you want, I haven't seen
any soft with this feature before (I guess because there is not too
much demand for it), but I can also see that implementing it can be
easy and fast. I suggest you to consider coding it :)

I'd like to offer you a solution but I guess that's prohibited by
Google, so, I think it's a good option (if you don't have time or
don't have coding skills) to "rent a coder" to make the changes for
you. More info at www.rentacoder.com

You more or less implied you wanted an off-the-shelf solution why not
try Sharepoint.

One company provides digital rights management using Sharepoint:

http://www.microsoft.com/windows/windowsmedia/content_provider/film/dmm/dailies.aspx

You also can try sharepoint for free for one month at
www.contractjob.net if you apply to become a member.