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Encryption of data

 
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abq_guy



Joined: 26 Jan 2009
Posts: 13

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Encryption of data
PostPosted: Thu Feb 12, 2009 3:37 pm     Reply with quote
Hello All,

I need to encrypt data that I am sending over serial port. On the computer side, I want to decrypt this data using a key. How do I do that ?

How can I also encrpyt something send over the Ethernet, so that network sniffers like wireshark can't display the actual data being send.

Thanks,

abq_guy
FvM



Joined: 27 Aug 2008
Posts: 2337
Location: Germany

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PostPosted: Fri Feb 13, 2009 6:09 am     Reply with quote
You may want to use any of the well-defined secure internet protocols, see respective RFCs. By it's open source nature, they usually contain a reference implementation or a link to freely available reference code.
andrewg



Joined: 17 Aug 2005
Posts: 316
Location: Perth, Western Australia

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PostPosted: Fri Feb 13, 2009 11:41 pm     Reply with quote
Search these forums for "xtea".
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Andrew
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