[cryptography] QODE

Kevin kevinsisco61784 at gmail.com
Thu Jan 8 10:50:01 EST 2015


On 1/7/2015 9:57 PM, Open eSignForms wrote:
>
> On 1/7/15 4:24 PM, listo factor wrote:
>> On 01/06/2015 09:12 PM, Kevin wrote:
>>
>>> I figured I'd start building my own open source encryption algorithm:
>>> https://github.com/kjsisco/qode
>>
>> I find the reaction from the list somewhat surprising.
>>
>> Some years ago, I had a neighbour that was building a moon-landing
>> spacecraft in his backyard. Obviously, he never landed on the moon,
>> but he learned a whole lot of useful things: for instance, holding
>> a hammer close to the head instead of at the end of the handle will
>> not substantially reduce the likelihood of hitting the thumb.
>>
>> He did try to sell maiden-voyage seat reservations. I have no idea
>> if he collected any money, but if he did, I would not blame him,
>> I would blame those that coughed up their coin.
> Grumbling is common.  Variety is the spice of life, and it's also 
> useful against issues of monoculture to protect against subsequent 
> discoveries of backdoors or  implementation vulnerabilities, published 
> or not. This does not endorse the use of homegrown algorithms over any 
> of the various well established and more vetted algorithms that 
> researchers (and crackers) have analyzed, especially for anything of 
> value.  Such apps generally require the use of established crypto 
> anyway, and sadly are often enough insecure because of misuse or 
> flawed key management.
>
> It's hard to know if homegrown crypto is much of a learning 
> experience, though, because it's so hard to tell if it's actually 
> secure.  As I said before, most crypto looks secure because the 
> ciphertext generally looks like gibberish, whether secure or not. 
> There's no easy way to test an algorithm compared to that neighbor's 
> spacecraft.  But if you are not a high value target, your crypto may 
> provide adequate security as there's unlikely a cabal who will invest 
> the resources to attempt to crack it.  Life is short and freedom to 
> explore is your right!
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This is off topic and I'm sorry, but did he really try to build a 
spacecraft?  Oh my.  The point is, I put the algorithm out in the wild.  
Do with it what you will.  If nothing else, it's a brain exercise.  
You're welcome internet.


-- 
Kevin


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