mobiletiw at fishersinter.net
Thu Apr 8 14:22:21 PDT 2004
It will only be slight variations (not accounting for weather) but the
temp will change depending on the workload at the time for one.
Robert Connolly wrote:
>On April 6, 2004 02:38 pm, Adrian Fisher wrote:
>>Why not use CPU speed clocks? I know they are known but they very
>>rarely match the quoted speed (this system is a P4 2.8 GHz system and
>>runs at different speeds regularly (sometimes faster, sometimes slower)
>>depending on the temperature of the room, what it is doing, etc.
>>Another option is to make use of the speed of cache and memory, while
>>these figures can be gained by the system they can be incorporated into
>>an algorythym that masks them.
>>Just an idea.
>How much do they vary? if it goes up or down by 1.00 degrees there would only
>be about 100 posibilities, if my math is right. It might help though;
>personaly I think hardware entropy should be sent to /dev/random. The frandom
>guy seems to have a good solution, but he says he's busy, might be a couple
>weeks before he can finish it. Another problem with using cpu temp is that it
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