Methods and devices for selectively disclosing user attributes

Abstract

Title of the invention: Methods and devices allowing the selective disclosure of the attributes of a user The invention proposes a method for generating, implemented by an identity provider, an accreditation relating to at least one attribute of a user, the method being and comprising the following steps:- authentication (I8) of said user;- obtaining (I10) at least one cryptographic representation of an attribute (of the user;- obtaining (I12) a signature calculated using a private key (of said identity provider and relating at least to: (a) said at least one cryptographic representation; and (b) a public key of the user;- calculating (I14) a proof of the validity of an accreditation comprising at least: (i) said signature, (ii) a public key of the user; and (iii) said at least one cryptographic representation; and- sending (I18) to said user said proof and said accreditation.. Fig. 1

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