Method of loading data into a microprocessor card

Details Method of loading data into a microprocessor card Method of loading data into a microprocessor card

G - Physics

06

F

G06F 9/445 (2006.01) G07F 7/10 (2006.01)

Patent

CA 2242804

Method of loading data into a microprocessor card, characterized in that the data 1 are encrypted 3 with a secret key K sec belonging to the person or organization authorized to program the card, the microprocessor card also being provided with a public key K pub that can decrypt 5 the data in their encrypted form 4, and in which the secret key K sec and the public key K pub belong to an asymmetric encryption algorithm, such as the RSA algorithm.

Méthode de chargement de données dans une carte à microprocesseur caractérisée en ce que les données 1 sont encryptées 3 avec une clé secrète K sec appartenant à la personne ou organisme habilités à programmer la carte, la carte à microprocesseur étant également fournie d'une clé publique K pub apteà décrypter 5 les données sous leur forme encryptée 4 et dans laquelle la clé secrète K sec et la clé publique K pub appartiennent à un algorithme de cryptageasymétrique, par exemple, l'algorithme RSA.

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