cryptosphere/rbnacl — pull request #105 by namelessjon (2014-05-19 12:35:18+00:00)
Title: Add salt/personalisation strings for Blake2b

They are exposed as options on the hash constructor. Strings are
zero-padded out to 16 bytes. If they are not provided then a blank
string is passed into the hash.

Need to add some tests, but I've checked against the sodium vectors at least.