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.
@return the Modular Crypt Format identifier that indicates how the formatted string should be parsed.
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.
@return the Modular Crypt Format identifier that indicates how the formatted string should be parsed.