Messages in this thread Patch in this message | | | Date | Sat, 21 Feb 2004 19:46:23 -0800 | From | "Randy.Dunlap" <> | Subject | [PATCH] Re: hw_random and the missing Intel RNGs |
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(in reply to: http://marc.theaimsgroup.com/?l=linux-kernel&m=106816271502140&w=2)
<quoting:>
hw_random has two problems with Intel chipsets:
(1) It fails to detect when no RNG is present. (2) Intel has stopped putting RNGs into their chipsets.
I've written a description of this problem at http://home.comcast.net/~andrex/hardware-RNG/index.html. Here's a summary: [snipped] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Andrew, I think you should have supplied a patch with your detailed email. How's this look?
Does anyone read docs nowadays?
-- ~Randy
// Linux linux-263-work // Document Intel hardware RNG changes.
diffstat:= Documentation/hw_random.txt | 12 ++++++++++++ 1 files changed, 12 insertions(+)
diff -Naurp ./Documentation/hw_random.txt~intelrng ./Documentation/hw_random.txt --- ./Documentation/hw_random.txt~intelrng 2004-02-17 19:58:40.000000000 -0800 +++ ./Documentation/hw_random.txt 2004-02-21 19:38:32.000000000 -0800 @@ -25,6 +25,18 @@ About the Intel RNG hardware, from the f access to our RNG for use as a security feature. At this time, the RNG is only to be used with a system in an OS-present state. +Intel hardware RNG update: + + hw_random has two problems with Intel chipsets: + + (1) It fails to detect when no RNG is present. + (2) These products and tools are no longer being manufactured by Intel. + + See <URL:http://home.comcast.net/~andrex/hardware-RNG/index.html> + for detailed information. + See <URL:http://www.intel.com/design/security/rng/rng.htm> + for related product information. + Theory of operation: Character driver. Using the standard open() - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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