Re: SSE related security hole

David Wagner
2002-04-21T22:20:28Z

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.