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version 1.12, 1998/02/23 19:43:46

version 1.13, 1998/02/23 21:46:03

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in the operating system. We require that the cryptographic software we

use be <a href=policy.html>freely available and with good licenses</a>.

We do not use cryptography with nasty patents.

We also require that such software is from a countries with useful export

We also require that such software is from countries with useful export

licenses because we do not wish to break the laws of any country.<p>

When we make OpenBSD releases or snapshots we do our build processes

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the PRNG should have a very long cycle length.

</ul>

Since a PRNG is normally just an algorithm where the same initial

A PRNG is normally just an algorithm where the same initial starting

starting values will yield the same output. On a multiuser operating

values will yield the same sequence of outputs. On a multiuser

system there are many sources which allow seeding the PRNG with random

operating system there are many sources which allow seeding the PRNG

data. The OpenBSD kernel uses the mouse interrupt timing, network data

with random data. The OpenBSD kernel uses the mouse interrupt timing,

interrupt latency, inter-keypress timing and disk IO information to

network data interrupt latency, inter-keypress timing and disk IO

fill an entropy pool. Random numbers are available for kernel

information to fill an entropy pool. Random numbers are available for

routines and are exported via devices to userland programs.

kernel routines and are exported via devices to userland programs.

In OpenBSD random numbers are used in many places, such as<p>

So far random numbers are used in the following places<p>

<ul>

<li>ports of a bound socket,

<li>PIDs of processes,