System and method for account identifier obfuscation

Details System and method for account identifier obfuscation System and method for account identifier obfuscation

G - Physics

06

Q

G06Q 20/40 (2012.01) G06Q 20/34 (2012.01)

Patent

CA 2691789

A method is disclosed. The method includes generating an obfuscated portion using a dynamic cryptogram unique to a transaction, where the dynamic cryptogram is determined using a uniquely derived key. The method also includes replacing a middle portion of the account identifier with the obfuscated portion to form an obfuscated account identifier.

La présente invention concerne un procédé consistant à générer une partie obscurcie au moyen d'un cryptogramme dynamique unique à une transaction, le cryptogramme dynamique étant déterminé au moyen d'une clé de dérivation unique. Le procédé comprend également le remplacement d'une partie médiane du l'identifiant de compte par la partie obscurcie pour former un identifiant de compte obscurci.

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