Re: A doubt...

From: Kiuhnm (invalid_at_invali.it)
Date: 03/26/04 

Date: Thu, 25 Mar 2004 23:16:06 GMT

Mok-Kong Shen wrote:
>> If I transform a text A into a "text" B with high entropy and then I
>> xor it with a (shorter) password, is it possible to reobtain A
>> without the password?
>
> Maybe I gravely misunderstood, but (1) 'transformation with high
> entropy' isn't quite clear conceptually and (2) operands of xor
> must be of equal length, I am afraid.

(1) Yes, you're right. I mean a "text" that can't be compressed without loss
of information.
(2) Vigenere Cipher.

Kiuhnm

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