Method requireMasterKey

src/FileRise/Support/CryptoAtRest.php:142–149

()

    }

    public static function requireMasterKey(): string
    {
        $k = self::getMasterKeyOrNull();
        if ($k === null) {
            throw new \RuntimeException('Encryption master key missing. Set FR_ENCRYPTION_MASTER_KEY or provide META_DIR/encryption_master.key (32 bytes).');
        }
        return $k;
    }

    private static function packU64BE(int $n): string
    {