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From: daw@mozart.cs.berkeley.edu (David Wagner)
Newsgroups: isaac.lists.linux-kernel
Subject: Re: SSE related security hole
Date: 21 Apr 2002 22:11:13 GMT
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Richard B. Johnson wrote:
>Well, if what's on the internal stack of the FPU can actually leak
>information, I think the notion of "leak" has expanded just a bit
>too much.

Note that some crypto implemenations use the FPU heavily to speed up
the encryption process.  Thus, if FPU data can leak, secret keys are
at risk.  I don't know about you, but that doesn't sound good to me.
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