42 return MediaWikiServices::getInstance()->getCryptHKDF();
74 public static function HKDF( $hash, $ikm, $salt, $info, $L ) {
75 return CryptHKDF::HKDF( $hash, $ikm, $salt, $info, $L );
98 $bytes = ceil( $chars / 2 );
100 return substr( $hex, 0, $chars );
static generate( $bytes, $context)
Generate cryptographically random data and return it in raw binary form.
static generateHex( $chars, $context='')
Generate cryptographically random data and return it in hexadecimal string format.
static HKDF( $hash, $ikm, $salt, $info, $L)
RFC5869 defines HKDF in 2 steps, extraction and expansion.
static singleton()
Return a singleton instance, based on the global configs.
do that in ParserLimitReportFormat instead use this to modify the parameters of the image all existing parser cache entries will be invalid To avoid you ll need to handle that somehow(e.g. with the RejectParserCacheValue hook) because MediaWiki won 't do it for you. & $defaults also a ContextSource after deleting those rows but within the same transaction you ll probably need to make sure the header is varied on and they can depend only on the ResourceLoaderContext $context