/**
 * Password encoding implementations. Apart from the "null" implementations, they are all based on
 * password hashing using digest functions. See the
 * <a href="http://static.springsource.org/spring-security/site/docs/3.0.x/reference/core-services.html#core-services-password-encoding">
 * reference manual</a> for more information.
 * <p>
 * Third part implementations such as those provided by <a href="http://www.jasypt.org/springsecurity.html">Jasypt</a>
 * can also be used.
 */
package org.springframework.security.authentication.encoding;
