/dev/urandom performs a similar function without the wait. of course
not all of the data is new, but it should still be pretty secure.
On Tue, 26 May 1998, at 14:00:57, ocie@paracel.com wrote:
> A neat feature of linux is that it has a kernel random number
> generator which is fed random data from interrupt times. The only
> drawback is that this is sort of a "pool", so whn the pool is full,
> drawing 8 bytes from it is not a problem, but when the pool is
> drained, it can take some time to generate more data. At any rate, it
> might be a good starting point for a postgres random number generator
> -- sample usage of shared memory and perform a hash on this. From
> "applied cryptography":