Information processing device and method, and program...

G - Physics – 06 – F

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G06F 15/02 (2006.01) G06F 17/30 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2328932

The CPU 11 of the personal computer 1 controls the CPU 32 of the adaptor 26 made of a semiconductor IC to compute a hash value of a content-managing music data base recorded in the HDD 21 and store it into the nonvolatile memory 34. When playing back a content recorded in the HDD 21, the CPU 11 computes the hash value of the music data base recorded in the HDD 21, compares it with hash values stored cumulatively in the nonvolatile memory 34, and controls the playback of the content from the HDD 21 based on the result of the comparison.

Une unité centrale (11) d'un ordinateur individuel (1) donne des instructions à l'unité centrale (32) d'un adaptateur (26) comportant un circuit intégré à semi-conducteur afin que cette dernière calcule la valeur de hachage d'une base de données d'accord destinée à gérer le contenu enregistré dans une unité de disque dur (21) et mémorise la valeur de hachage dans une mémoire rémanente (34). Lorsque le contenu enregistré dans l'unité de disque dur (21) est reproduit, l'unité centrale (11) calcule la valeur de hachage de la base de données d'accord, la compare à la valeur de hachage mémorisée dans la mémoire rémanente (34) et commande la reproduction du contenu de l'unité de disque dur (21) en fonction des résultats de la comparaison.

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