Electronic information inquiring method

G - Physics – 09 – C

Patent

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Details

G09C 1/00 (2006.01) G06F 12/14 (2006.01) G06F 21/00 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2406737

An inquired destination A determines an argument .alpha. every time an inquiry received, cuts out part of stored electronic information C a, measures its attribute, and forms a information C a, measures its attribute, and forms characteristic information I A, for transmission to an inquiring source B along with the argument .alpha.; while the inquiring source cuts out the same part, as cut out by the inquired destination, of electronic information C b stored by itself by applying the augment .alpha., forms characteristic information I B in the same way as done by the inquired destination, and checks it against the characteristic information I A received from the identity between the two elements of electronic information C a, C b. Therefore, the above method can provide a high-reliability checking result by transmitting a very small amount of information without transmitting the contents of the electronic information at all.

Selon cette invention, une destination (A) interrogée détermine un augment ( alpha ) à chaque réception d'une demande, découpe une partie des informations électroniques enrgistrées (CA), mesure ses attributs et forme des informations caractéristiques (Ia) pour les transmettre avec l'augment ( alpha ) à une source (B) d'interrogation. La source d'interrogation découpe la même partie des informations électroniques que celle découpée par la destination interrogée, ces informations étant stockées par elle-même en appliquant l'augment ( alpha ), forme des informations caractéristiques (Ib) de la même manière que celles formées par la destination interrogée, et les vérifie par rapport aux informations caractéristiques (Ib) reçues de la destination interrogée afin de confirmer l'identité entre les deux éléments des informations électroniques (CA, CB). Ce procédé permet de vérifier de manière extrêmement fiable un résultat en transmettant une très petite quantité d'informations sans transmettre la totalité du contenu des informations électroniques.

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