US 12,105,642 B2
Methods for enrolling data in order to verify the authenticity of a security datum or for verifying the authenticity of a security datum
Hervé Chabanne, Courbevoie (FR); Linda Guiga, Courbevoie (FR); and Sébastien Bahloul, Courbevoie (FR)
Assigned to IDEMIA IDENTITY & SECURITY FRANCE, Courbevoie (FR)
Filed by Idemia Identity & Security France, Courbevoie (FR)
Filed on May 27, 2022, as Appl. No. 17/804,409.
Claims priority of application No. 2105799 (FR), filed on Jun. 2, 2021.
Prior Publication US 2022/0391327 A1, Dec. 8, 2022
Int. Cl. G06F 12/14 (2006.01); H04L 9/32 (2006.01)
CPC G06F 12/1408 (2013.01) [H04L 9/3239 (2013.01); G06F 2212/1052 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method for enrolling data in order to verify the authenticity of a security datum, the method comprising implementing by data processing means of a server, steps of:
(A) obtaining a reference security datum;
(B) generating a first encoded datum by applying to the reference security datum an obfuscated fuzzy Hamming distance encoding procedure;
(C) determining, from the reference security datum, a plurality of derived data of the reference security datum;
(D) generating a first random datum, and determining a second encoded datum such that a variable point comparison predicate parameterized by the second encoded datum and the first random datum is true when said variable point has as coordinates said derived data;
(E) storing on a data storage means of the server at least said first and second encoded data.