On Sep 30, 2005, at 5:35 AM, Elad Efrat wrote:

> Apparently when adding SHA2 and RMD160 to the kernel this was not
> thought through, and they were placed, perhaps wrongly, in sys/crypto.
>
> sys/crypto was used a while ago to allow easy separation between the
> US and non-US trees due to US crypto export laws. Now, there is no
> longer a requirement for this separation.

There was never a need to put one-way hash algorithms into a  
separated tree.

-- thorpej