A method of modifying in indivisible manner a plurality of non-volatile memory locations in a microcircuit card, in particular in a contactless card

摘要

A method of connecting a card to a terminal including the following steps: a) on receiving corresponding respective commands from the terminal, it modifies the contents of the card memory by provisionally recording in the card memory each of said interdependent items of information without losing prior values corresponding to said items; and then b) the modifications are finalized either by all of them being confirmed or by all of them being discarded.