def getMechanismInfo(self, slot, type):
        """
        C_GetMechanismInfo

        :param slot: slot number returned by :func:`getSlotList`
        :type slot: integer
        :param type: a `CKM_*` type
        :type type: integer
        :return: information about a mechanism
        :rtype: a :class:`CK_MECHANISM_INFO` object
        """
        info = PyKCS11.LowLevel.CK_MECHANISM_INFO()
        rv = self.lib.C_GetMechanismInfo(slot, CKM[type], info)
        if rv != CKR_OK:
            raise PyKCS11Error(rv)

        i = CK_MECHANISM_INFO()
        i.ulMinKeySize = info.ulMinKeySize
        i.ulMaxKeySize = info.ulMaxKeySize
        i.flags = info.flags

        return i
C_GetMechanismInfo

        :param slot: slot number returned by :func:`getSlotList`
        :type slot: integer
        :param type: a `CKM_*` type
        :type type: integer
        :return: information about a mechanism
        :rtype: a :class:`CK_MECHANISM_INFO` object