Re: Breaking Huffman Codes

From: DSCOTT (daVvid_a_scott_at_email.com)
Date: 05/29/03 

Date: 29 May 2003 14:19:54 GMT

bill@nedell.com wrote in <c9089864.0305290218.70ef9021@posting.google.com>:

>I am looking for information on decompressing data without having
>complete knowedge of how the data was originally compressed.
>
>The data I am dealing with comes from airline flight data recorders
>and I have been told that it uses a form of Huffman encoding. I have
>samples of the compressed and decompressed data but little other
>information about it's content.
>
>I remember seeing a paper by a Mohtashemi awhile back dealing with
>decrypting Huffman coded files without having the tree. Anyone know of
>other work along these lines?

 I noticed this post several times. Why you can't get it from
the manufacture is beyond me. However if your company makes it
a contest. With the know samples you say you have and then inculd
some of those your trying to recover maybe many will solve it for
you.

David A. Scott 

-- 
My Crypto code
http://cryptography.org/cgi-bin/crypto.cgi/Misc/scott19u.zip
http://cryptography.org/cgi-bin/crypto.cgi/Misc/scott16u.zip
http://www.jim.com/jamesd/Kong/scott19u.zip old version
My Compression code http://bijective.dogma.net/
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Disclaimer:I am in no way responsible for any of the statements
 made in the above text. For all I know I might be drugged.
As a famous person once said "any cryptograhic
system is only as strong as its weakest link"

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