Returns the Modular Crypt Format identifier that indicates how the formatted string should be parsed. This id is always in the MCF-formatted string's first token. <p/> Example values are {@code md5}, {@code 1}, {@code 2}, {@code apr1}, etc.
Returns a formatted string representing the specified Hash instance.
A {@code HashFormat} that supports <a href="http://packages.python.org/passlib/modular_crypt_format.html">Modular Crypt Format</a> token rules.
@see <a href="http://en.wikipedia.org/wiki/Crypt_(Unix)">Crypt (unix)</a> @see <a href="http://www.tummy.com/journals/entries/jafo_20110117_054918">MCF Journal Entry</a>