PROCEDE DE SAUVEGARDE/RESTAURATION DE FICHIERS DANS UN RESEAU PAIR A PAIR.

摘要

The present invention relates to a method of saving at least one file recorded by a peer in the memories of terminals of a plurality of nodes of a peer-to-peer network (1), in which: this peer is permitted to select a list of files to be saved; for each file, several data fragments (FB) and a description fragment (FBL) cataloguing the fragments FB are created; for each description fragment FBL, a key for locating the fragment and a key for encrypting this fragment FBL are generated; the fragments FB and the fragments FBL are saved in the terminals of a peer-to-peer network; at least one protected-access source fragment (9) making it possible to locate and to decrypt at least part of the fragments FBL is generated; and the source fragment (9) is saved in the memory of at least one terminal of the network.