WordPress at a glance
filter is not described

random_password filter-hook . WP 3.0.0

Filters the randomly-generated password.

Usage

add_filter( 'random_password', 'filter_function_name_5319' );
function filter_function_name_5319( $password ){
	// filter...

	return $password;
}
$password(string)
The generated password.

Where the hook is called

wp_generate_password()
random_password
wp-includes/pluggable.php 2309
return apply_filters( 'random_password', $password );

Where the hook is used (in WP core)

Does not used.