From: Jeff Garzik <jeff@garzik.org>
Date: Wed, 3 Oct 2012 01:45:42 -0400

> 1) tcrypt setup blatantly wrong.  What is the best setup here?  Define a
> separate entry for each digest length?  Is there some special string
> descriptor format that is desired, like "sha3-256" or "sha3(256)"?

Good question.  The base name should probably be something without
dashes.  Maybe "sha3_256", but yeah "sha3256" would look rediculous.