Talk:Side-channel attack

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    [edit] What constitutes a side-channel attack?

    Matt, I was attempting here to briefly convey (or rather to briefly prevent the conveyance of the inverse) that a break due to a poorly designed crypto system or poor algorithm choice, not merely a mathematical break, are not instances of a side channel attack. Perhaps the confusion is due to insufficient willingness to rewrite?

    I'll ponder for a bit and have another try. The category boundaries are worth deliniating I think, and what we have at present isn't very well distinguishing of those boundaries. [User:Ww|ww]] 14:29, 7 Jul 2004 (UTC)

    Yes, but don't mention the various distinctions quite thoroughly in the very next paragraph of the lead; surely that's sufficient? — Matt 14:52, 7 Jul 2004 (UTC)

    [edit] I would say that

    display-related TEMPEST attacks are not technically side-channel attacks, as they would typically reveal the decrypted data and not anything about the process of encryption (except a known-cyphertext, which falls under traditional cryptanalysis).

    Also, what about those attacks where you bend or break the smart card and watch for/analyze errors? Are those side-channel attacks? —Preceding unsigned comment added by 216.106.175.189 (talk) 21:29, 17 May 2008 (UTC)

    By and large, yep. Just random twiddling would be sort of pointless, but any repeatable would certainly be. ww (talk) 22:38, 17 May 2008 (UTC)