Messages in this thread | | | From | henrique <> | Subject | Problem with random.c and PPC | Date | Thu, 15 Aug 2002 16:10:02 +0000 |
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Hi Andreas !!!
You've got the point. My system is diskless, keyboardless and mouseless therefore I will never get randomness without the patch you talked about.
BTW, does anyone know where I can found the patch to get randomness from the network cards interrupt ?
regards Henrique
On Thursday 15 August 2002 06:25 pm, Andreas Dilger wrote: > On Aug 15, 2002 15:14 +0000, henrique wrote: > > Hello !!! > > > > I am trying to use a program (ipsec newhostkey) that uses the random > > device provided by the linux-kernel. In a x86 machine the program works > > fine but when I tried to run the program in a PPC machine it doesn't > > work. > > > > Looking carefully I have discovered that the problem is in the driver > > random.c. When the program tries to read any amount of data it locks and > > never returns. It happens because the variable > > "random_state->entropy_count" is always zero, that is, any random number > > is generated at all !!!??. > > > > Does anyone know anything about this problem ? Any sort of help is very > > welcomed. > > Maybe the PPC keyboard/mouse drivers do not add randomness? You should > also get randomness from disk I/O. If your PPC system is diskless, > mouseless, and keyboardless, there is also a patch for 2.4 which allows > you to get randomness from network card interrupts, which is good enough > for all but the most incredibly paranoid people. > > Cheers, Andreas
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