return ':';
}
+ protected function shouldUseHashExtension() {
+ return isset( $this->config['use-hash-extension'] ) ?
+ $this->config['use-hash-extension'] : function_exists( 'hash_pbkdf2' );
+ }
+
public function crypt( $password ) {
if ( count( $this->args ) == 0 ) {
$this->args[] = base64_encode( MWCryptRand::generate( 16, true ) );
}
- if ( function_exists( 'hash_pbkdf2' ) ) {
+ if ( $this->shouldUseHashExtension() ) {
$hash = hash_pbkdf2(
$this->params['algo'],
$password,
(int)$this->params['length'],
true
);
+ if ( !is_string( $hash ) ) {
+ throw new PasswordError( 'Error when hashing password.' );
+ }
} else {
- $hashLen = strlen( hash( $this->params['algo'], '', true ) );
+ $hashLenHash = hash( $this->params['algo'], '', true );
+ if ( !is_string( $hashLenHash ) ) {
+ throw new PasswordError( 'Error when hashing password.' );
+ }
+ $hashLen = strlen( $hashLenHash );
$blockCount = ceil( $this->params['length'] / $hashLen );
$hash = '';