new idea for random number generation

[jnn at synfin.org (John Newman)]

On Sep 26, 2017, at 11:14 AM, \0xDynamite <dreamingforward at gmail.com> wrote:

>>> AFAICT, it is UNBREAKABLE if the keysize is at least half the size of
>> your plaintext.
>> 
>> My understanding is that the keysize ought to be as long as the message to
>> be encrypted.
> 
> Well if they don't know the key length, then using somewhere between
> 1/3 and 2/3 should make it unbreakable.
> 

It's not a one time pad, and not secure, if the key is smaller than the clear text. 

>> And yes, it is unbreakable...   UNLESS you try to reuse the keys!!!
> 
> Hmm, but THEY don't know if you re-used them.   So it would take how
> many ciphertexts messages to figure that out?
> 
> Marxos


I've mentioned this before in regards to OTP, and I think Jim just mentioned it -

https://en.m.wikipedia.org/wiki/Venona_project



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