Sunday, July 3, 2016

Digest for comp.lang.c++@googlegroups.com - 2 updates in 1 topic

"Chris M. Thomasson" <invalid@invalid.invalid>: Jul 03 12:36AM -0700

On 2/21/2016 1:38 PM, Chris M. Thomasson wrote:
> Original idea by Juaquin Anderson in the comments of the
> following thread:
[...]
 
Here is pretty neat projection to the integer plane that really
increases storage efficiency:
 
Reverse Fractal Encryption 1d Integer Plane:
 
https://xp-dev.com/svn/FractalCodes/trunk
"Chris M. Thomasson" <invalid@invalid.invalid>: Jul 03 01:09AM -0700

On 2/21/2016 1:38 PM, Chris M. Thomasson wrote:
> Original idea by Juaquin Anderson in the comments of the
> following thread:
[...]
> What do you think about the code? Is it crap?
 
> ;^)
 
> Thank you all.
 
 
Well, it does seem to be vulnerable to known plaintext attack, Eve is
smart with many spies. I think a single point is hard, well if I sent a
shi% load of them, then Eve's tap will just plot them and get visually
close to the secret key, comprised of a single complex number and an
origin point that is random for each ciphertext. Still, Eve should not
get naked points from reverse iteration. The should be hidden.
Encrypting random bytes, and using entropy from forward iteration will
help. Also, radically increasing the key space with several (c)'s and
random IV's and direct hiding of the points. Also, we have not even got
into zooming, and the effects it casts. Yes we have a single (c) in the
secret key, but, we can add a zoom level.... This increases key space
right off the bat.
 
Any other ideas? I do not think this is totally doomed.
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