OSEC

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From: David Wagner (daw_at_mozart.cs.berkeley.edu)
Date: Sat Oct 26 2002 - 15:36:42 CDT

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    puja wrote:
    >But I have bought a code from some third party ( i.e. it is not a freely
    >available software ). I want to ensure that it doesn't contain any
    >malicious code or any backdoors which might be dangerous for my system.
    >How can I ensure this ?

    You probably can't (not reliably, and not cost-effectively). This is
    especially true when you don't have source code, but remains true even
    if you do have source code. There are many subtle ways to hide malicious
    trapdoors.