Re: A new, fast and "unbreakable" encryption algorithm

From: Ismail Kizir
Date: Sat Nov 21 2015 - 01:32:12 EST

Hello Clemens,

Check this out please; just visual proofs: Better than thousands of lines:

Ismail Kizir

On Thu, Nov 19, 2015 at 11:05 AM, Clemens Ladisch <clemens@xxxxxxxxxx> wrote:
> Ismail Kizir wrote:
>> The essential logic of the algorithm is using the key as a "jump
>> table" which is dynamically updated with every "jump" we make.
> Sounds like RC4. Please tell us how you are avoiding the weaknesses
> that make RC4 insecure.
>> Briefly, to decypher a ciphertext, a cracker needs to find out the
>> key, and, to find out the key, cracker needs to find out the
>> plaintext, because the key is dynamically updated according the
>> plaintext during encryption process: Impossible!
> That problem has been solved for a long time:
> Anyway, I tried to modify your program to encrypt a large message
> consisting only of zero bytes. The result did not look random.
> Regards,
> Clemens
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