Low-level crypto interface

[Niels Möller]

At the crypto workshop a few months ago, I promised to write up my
ideas for a low-level crypto library interface. I have a first version
of that document now, at <URL:
http://www.lysator.liu.se/~nisse/lsh/doc/crypto-library.txt>.

It also describes an object-oriented interface that can be built on
top of the low-level interface, and some examples. It's similar to
(but not exactly the same) the interfaces currently used in lsh.

I hope this is an appropriate place for this. Comments are welcome.

Regards,
/Niels