Method and system for authentication of accreditations and...

Details Method and system for authentication of accreditations and... Method and system for authentication of accreditations and...

G - Physics

07

F

354/34, 340/70

G07F 7/10 (2006.01) H04L 9/00 (2006.01) H04L 9/32 (2006.01) G06F 7/72 (2006.01)

Patent

CA 1295706

PHQ 87.030 02.08.1988 Abstract A method and system for authentication of accreditations and of messages with zero-knowledge proof and for the signing of messages, and a station for use in such system, in particular executed as a smart card station. Instead of using multiple accreditations and an iterative process of verification, use is made of a comprehensive accreditation (high exponent p) and a number D is drawn at random, which number is within the range between 0 and p-1. The operations of verification proceed by the computation of the D-th power of the inverse accreditation B. Application in particular, to smart cards and, more specifically, to bank cards. Figure 7.

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