Messages in this thread | | | Date | Sat, 28 Jun 2003 19:10:18 -0700 | From | Justin Pryzby <> | Subject | Re: /dev/random broken? |
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/dev/urandom is what you want; it makes up its own entropy. /dev/random uses entropy from user input (low order bits I imagine). I assume that this is how other unixes work, too.
Justin
On Sun, Jun 29, 2003 at 02:16:02AM +0000, Luca T. wrote: > > Hello, > i am not sure if this is a kernel/module problem but so it seems to me. > My computer is an AMD 2000+ with an ABIT motherboard, my kernel version > is 2.4.21-0.13mdk (but i tried it with 2.4.21-0.18mdk too and it doesn't > work either). > > If i give this command: > dd if=/dev/zero of=./xxx bs=1024 count=100 > it will work perfectly. But if i try to do the same reading from > /dev/random with this command: > dd if=/dev/random of=./xxx bs=1024 count=100 > it will just sit there and stare at me until i move the mouse... and > then the program will exit without any error message (i checked in > /var/log/messages too and there is no message there either about this). > > Is this a bug? If yes... do you have any idea that would help me fix it? > > Thank you, > Luca > > - > 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/ - 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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