yes, should have thought it through ...

On Thu, Jun 13, 2013 at 4:44 PM, Natanael <[email protected]> wrote:

> Isn't that equivalent to sender doing XOR on the plaintext, recipient
> doing XOR on first ciphertext, sender doing another XOR on second
> ciphertext to create third ciphertext, and the recipient doing XOR again to
> get plaintext?
>
> That's key-reuse and breaks XOR/OTP. The middleman simply XORs the
> ciphertexts with each other to get the key and then decrypts the first
> ciphertext. He just simply needs to record all ciphertexts. The same basic
> method applies for the noise application/removal.
> Den 13 jun 2013 17:31 skrev "Leandro Meiners" <[email protected]>:
>
> Koenig's idea is interesting, and with a small twist I think could have
>> worked. If instead of only applying noise at the receiving end, noise was
>> first applied by the sender, then the recipient applies his own noise and
>> sends it back to the sender, who then subtracts his original noise and
>> sends it back "encrypted" with the recipient's noise who can now decrypt
>> it....
>>
>> Cheers,
>> Leandro.-
>>
>>
>> On Thu, Jun 13, 2013 at 3:31 PM, John Young <[email protected]> wrote:
>>
>>> Old Mystery Solved: Project C-43 and Public Key Encryption:
>>>
>>> http://techpinions.com/an-old-**mystery-solved-project-c-43-**
>>> and-public-key-encryption/**18205<http://techpinions.com/an-old-mystery-solved-project-c-43-and-public-key-encryption/18205>
>>>
>>>
>>> ______________________________**_________________
>>> cryptography mailing list
>>> [email protected]
>>> http://lists.randombit.net/**mailman/listinfo/cryptography<http://lists.randombit.net/mailman/listinfo/cryptography>
>>>
>>
>>
>>
>> --
>> Leandro Federico Meiners
>>
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>>


-- 
Leandro Federico Meiners
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