A JavaScript implementation of the SHA family of hashes, as defined in FIPS PUB 180-2 as well as the corresponding HMAC implementation as defined in FIPS PUB 198a
Copyright Brian Turek 2008-2012 Distributed under the BSD License See http://caligatio.github.com/jsSHA/ for more information
Several functions taken from Paul Johnson
Jonas Colmsjö, Gizur, 2012-10-12, ported the code for node.js