Hi, me again...
I have a question regarding the existence of a defense mechanism against
Matsui's Linear Cryptanalysis and other forms of known-plaintext attacks. I am
planning on encrypting XML documents. XML documents begin with a predictable
character sequence, looking like this:
<?xml version="1.0" encoding="us-ascii"?> ( total of 41 chars )
All XML documents adhering to the same standards bear the same headers.
Considering a small document ( ~80 chars ) would have already more than half its
plaintext known, isn't this extremely vulnerable to known-plaintext attacks?
Are they any means of protecting oneself if your plaintext has a predictable
component (such as the case with XML headers)?
Thank-you in advance for any help.
--
<==================================>
Bryan Mongeau
Lead Developer
eEvolved Real-Time Technologies Inc.
<==================================>
"The important thing is not to stop questioning. Curiosity has its own reason for
existing."-- Einstein
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