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Author Topic: Plugin: CryptBasic  (Read 5834 times)
PoulpHunter
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« on: June 30, 2009, 08:46:38 am »

Hello,

CryptBasic is a plugin i've created cause of the multiplication of Wifi and other non secured access who can be sniff and inject.
Often at office, or in travel when using other network.

It's simply crypt your conversation using AES256 encryption (and SHA256 for hash function).
The password is changeing during the conversation (from the old password and the texte you receive/send).
It permit to resist to man in the middle attack (who haven't sniff the begin of your conversation) and if you want a more secure encryption you have to change the default password for an other and transmit it securely to your contact.

This plugin create a menu in your chat windows who permit to type commands for you.
It was limited to an only instance of encrypted convesation for the moment (will be change quickly).

the plugin can be download at : http://poulphunter1.free.fr/dl/Mesprogs/dlid.php3?dl=21
AES256,SHA256 was from TCLLIB (GNU)
This plugin is too under (GNU Licence)

For any questions : poulphunter@yahoo.fr

sorry for my bad english (i'm learning)

###########################################################################
# ChangeLog
#
# V0.3 (06/2009):
#   -Auto Crypt interraction, and pass verification before start a crypt conversation.
#      (verification is made by a SHA256 hash of the password)
#   -It generate on receive and sending a new password from the old and the conversation, it make it more secure.
#    (Man in the middle attack can't work now if the attack was made in the middle of conversation)
#   -It send few random at begining of conversation to make a little more random the password.
#   -Disactive default information sending about Client & Logs (reactive in Plugin/Config menu if you want)
# V0.2 (06/2009):
#   -Command line added
#   -Menu in chat window added
#   -Config Menu added (with debug mode)
# V0.1 (06/2009):
#   -No more encrypted data displayed in chatwindows
#   -Crypt chat is restricted to one chatwindow (no affect by the other)
#   -Crypt use SHA256 of received/sent message to generate new password
#      with that, if you type the same thing twice it's not generating the same thing
# V0.0 (06/2009)
###########################################################################
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PoulpHunter
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« Reply #1 on: June 30, 2009, 09:21:48 pm »

I've added some options :

###########################################################################
# ChangeLog
#
# V0.4 (06/2009):
#   -Multi-User
#   -Save in config default password by users
# V0.3 (06/2009):
#   -Auto Crypt interraction, and pass verification before start a crypt conversation.
#      (verification is made by a SHA256 hash of the password)
#   -It generate on receive and sending a new password from the old and the conversation, it make it more secure.
#    (Man in the middle attack can't work now if the attack was made in the middle of conversation)
#   -It send few random at begining of conversation to make a little more random the password.
#   -Disactive default information sending about Client & Logs (reactive in Plugin/Config menu if you want)
# V0.2 (06/2009):
#   -Command line added
#   -Menu in chat window added
#   -Config Menu added (with debug mode)
# V0.1 (06/2009):
#   -No more encrypted data displayed in chatwindows
#   -Crypt chat is restricted to one chatwindow (no affect by the other)
#   -Crypt use SHA256 of received/sent message to generate new password
#      with that, if you type the same thing twice it's not generating the same thing
# V0.0 (06/2009)
###########################################################################

The download link was the same
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kakaroto
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« Reply #2 on: June 30, 2009, 10:51:28 pm »

cool, that's a nice plugin! We already have Kryptonite which uses gpg keys to encrypt chat channels and the plugin was written more than a year ago, but it never got released publicly... I assume we'll just release it once we release 0.98
This plugin could be helpful though for windows users or people who don't use/know gpg!
Thanks!
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KaKaRoTo
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