Semiconductor memory card and computer readable program

G - Physics – 11 – C

Patent

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Details

G11C 7/00 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2481852

The present invention provides a semiconductor memory card which no longer allows an illegal practice of acquiring contents of a deleted file. Here, when a deletion event is generated, a deletion handler gives a priority to a null- clear operation of a file entry and a FAT for a file to be deleted over a null- clear operation to other constituents of the file. A null-clear operation to a file entity of the file is distributed to a plurality of event handlers including the deletion handler.

La présente invention porte sur une carte mémoire à semi-conducteurs qui ne permet plus la pratique illégale consistant à acquérir des contenus d'un fichier supprimé. Selon cette invention, lorsqu'un événement de suppression est généré, un gestionnaire de suppression donne la priorité à une opération d'effacement total d'une entrée fichier et d'une table d'attribution de fichier pour un fichier à supprimer par rapport à une opération d'effacement total associée à d'autres constituants du fichier. Une opération d'effacement total associée à une entité fichier du fichier est répartie parmi une pluralité de gestionnaires d'événements, y compris le gestionnaire de suppression.

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