Returns the <code>CredentialsMatcher</code> used during an authentication attempt to verify submitted
credentials with those stored in the system.
<p/>
<p>Unless overridden by the {@link #setCredentialsMatcher setCredentialsMatcher} method, the default
value is a {@link hunt.shiro.authc.credential.SimpleCredentialsMatcher SimpleCredentialsMatcher} instance.
@return the <code>CredentialsMatcher</code> used during an authentication attempt to verify submitted
credentials with those stored in the system.
Returns the <code>CredentialsMatcher</code> used during an authentication attempt to verify submitted credentials with those stored in the system. <p/> <p>Unless overridden by the {@link #setCredentialsMatcher setCredentialsMatcher} method, the default value is a {@link hunt.shiro.authc.credential.SimpleCredentialsMatcher SimpleCredentialsMatcher} instance.
@return the <code>CredentialsMatcher</code> used during an authentication attempt to verify submitted credentials with those stored in the system.