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/dev/urandom

/dev/urandom

Posted May 11, 2006 9:38 UTC (Thu) by kleptog (subscriber, #1183)
In reply to: /dev/urandom by ekj
Parent article: On the safety of Linux random numbers

Your understanding matches mine. I've seen reports about people complaining that programs consuming large amount of data from /dev/urandom cause programs using small amounts from /dev/random to block. On other systems the data comes from seperate pools whereas on Linux you get the same data from both, except /dev/urandom doesn't block but becomes PRNG when the pool is empty.


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