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PMCrypt - Private Message Encryption Details »
PMCrypt - Private Message Encryption
Mod Version: 1.1.0, by magnus (Member) magnus is offline
Developer Last Online: Feb 2012 I like it Show Printable Version Email this Page

This modification is in the archives.
vB Version: 3.6.4 Rating: (9 votes - 4.78 average) Installs: 47
Released: 21 Feb 2007 Last Update: 22 Feb 2007 Downloads: 372
Not Supported DB Changes Uses Plugins Is in Beta Stage  

Keywords: Private, Message, PM, Encrypt, Encode, Security

Encrypts Private Messages within the MySQL database. Allows for on-the-fly decryption without the need for a shared key.

This hack will encrypt sent messages within your MySQL database. No longer will they be viewable in plaintext, thus affording your members a little more security with their private correspondance.

Please be aware that this is not a total security solution. This was devised with simplicity as well as security in mind -- such as that the encryption method used is NOT to be assumed "unbreakable" by any stretch of the imagination.

The messages are encrypted using a method developed and credited to AITOR SOLOZABAL MERIN by where text is encrypted/decrypted using a simple but powerful XOR method without a known key. Implicitly, the key is defined by the string itself in a character by character way. There are 4 items to compose the unknown key for the character in the algorithim:
  1. The ascii code of every character of the string itself
  2. The position in the string of the character to encrypt
  3. The length of the string that include the character
  4. Any special formula added by the programmer to the algorithm to calculate the key to use
This product does not explicitly rely on any vBulletin functions, thus there should not be any problems with future upgrades, etc.

This product was developed by request of FGENETICS and DOOGIE88.

1. Download and import the product-pmcrypt1.1.0.xml file via the Product Manager.

2. Enable the product via the AdminCP (vBulletin Options > Private Message Encryption)

3. ???

4. Profit

Version History:
v1.0.0 - Initial Release
v1.0.1 - Fixed bug when replying to an encrypted message.
v1.1.0 - Fixed issue with reply and preview. Encapsulated encryption within base64_encode(); for storage. Smilies no longer run risk of breaking encryption.

* Once enabled, all PM's sent thereafter will be encrypted. This means that should you choose to disable and/or uninstall the product, said PM's will remain encrypted -- rendering them unreadable.

* Please note that this modification was developed on a forum with a userbase of 1 (myself). I've tested it for basic functionality but I cannot guarantee functionality or behavior on your forum. So, please -- make backups before installing this product!

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Only licensed members can download files, Click Here for more information.


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Similar Mod
Mod Developer Type Replies Last Post
Mini Mods GS - Visitor Message Private Message Notification 1.0 ForumsMods vBulletin 3.7 Add-ons 10 27 Oct 2011 11:56

Old 19 Mar 2008, 11:54
sub_ubi sub_ubi is offline
Join Date: Dec 2004
Anyone have this running on 3.7?
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Old 19 Mar 2008, 13:25
codershark codershark is offline
Join Date: Feb 2008
works perfect on vb 3.7 Beta 6
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Old 19 Mar 2008, 23:17
DssCrazy DssCrazy is offline
Join Date: Nov 2007

does not work with pm preview.

Does not work with infractions. thanks to cclaerhout it now does.

Does not Encryption the auto welcome message for new sign ups.

If user have their account setup to send to email it will show the Encryption.

Other than that this is WICKED.

Can you fix?

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Old 20 Mar 2008, 03:53
Martell Martell is offline
Join Date: Dec 2006
Does not work vB 3.6.8 PL2.

Can you fix?

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Old 22 Mar 2008, 21:20
DssCrazy DssCrazy is offline
Join Date: Nov 2007
when is this coming out of beta stage?
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Old 02 Apr 2008, 20:40
codershark codershark is offline
Join Date: Feb 2008
Dont works in vbulletin 3.7 RC1 --> after Install all mods and admins cant warning users for a thread
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Old 10 Apr 2008, 16:56
DssCrazy DssCrazy is offline
Join Date: Nov 2007
When sending mass pm's to all users the messages are not encry also i also when you have email pms option on it takes longers amount of time to sned to the email it is not instant anymore.

also the message that get encryped you can see in emails when it sends.
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Old 15 Apr 2008, 06:41
kellyandmark04 kellyandmark04 is offline
Join Date: Jun 2007
any updates on this as I see this as a big security issue if users update this with there current vbulletin and it is not working and they are using it thinking the PM's are secure

If it is not supported with a format of vbulletin it should be stated
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Old 30 Apr 2008, 16:21
logicuk's Avatar
logicuk logicuk is offline
Join Date: Jan 2008
any updates coming? i would love this for vb 3.7
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Old 03 May 2008, 02:31
ShiZoPhreN ShiZoPhreN is offline
Join Date: May 2008
Real name: Maik

Please magnus, make the Plugin for vB 3.7 ready, its a nice Plugin, do not will miss in my vB 3.7
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Old 13 May 2008, 13:02
codershark codershark is offline
Join Date: Feb 2008
will someone update it to 3.7 ???
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Old 14 May 2008, 14:31
thestaton thestaton is offline
Join Date: Apr 2008
Please update?
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Old 23 May 2008, 23:16
nikki712 nikki712 is offline
Join Date: Sep 2006
I would love to add this to my forum as well. I'll be keeping an eye out for a 3.7 update!
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Old 26 May 2008, 06:45
ShiZoPhreN ShiZoPhreN is offline
Join Date: May 2008
Real name: Maik
Hello magnus,

Please update the Hack, in my old forum i use this Plugin, all user PN's are crypted, when i upgrade to 3.7 and its no update for this hack, all my users lost our PN's thats so bad.. :'(


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Old 26 May 2008, 06:53
Hostboard's Avatar
Hostboard Hostboard is offline
Join Date: May 2002
Real name: Steven
Besides the above mentions I would love for a way to make this by user group.
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