MWCryptHKDF.php

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<?php
use MediaWiki\MediaWikiServices;
 
class MWCryptHKDF {
 
    protected static function singleton() {
        return MediaWikiServices::getInstance()->getCryptHKDF();
    }
 
    public static function HKDF( $hash, $ikm, $salt, $info, $L ) {
        return CryptHKDF::HKDF( $hash, $ikm, $salt, $info, $L );
    }
 
    public static function generate( $bytes, $context ) {
        return self::singleton()->generate( $bytes, $context );
    }
 
    public static function generateHex( $chars, $context = '' ) {
        $bytes = ceil( $chars / 2 );
        $hex = bin2hex( self::singleton()->generate( $bytes, $context ) );
        return substr( $hex, 0, $chars );
    }
 
}