ParagonIE_Sodium_Core32_Int32::mask( int $m = 0 ): ParagonIE_Sodium_Core32_Int32

138    public function mask($m = 0)139    {140        /** @var int $hi */141        $hi = ((int) $m >> 16);142        $hi &= 0xffff;143        /** @var int $lo */144        $lo = ((int) $m) & 0xffff;145        return new ParagonIE_Sodium_Core32_Int32(146            array(147                (int) ($this->limbs[0] & $hi),148                (int) ($this->limbs[1] & $lo)149            ),150            $this->unsignedInt151        );152    }