Abstract: A biometric identification method of an entity including computation of a matching value between biometric data of an entity u and reference biometric data u?, by application of a function F to the biometric data. A non-interactive, publicly verifiable computation method is performed wherein representation of the function is obtained by converting an arithmetic circuit into a polynomial representation. A matching value is obtained by evaluating the arithmetic circuit and the reference biometric data as inputs. Proof of correction of the computation execution of the matching values is obtained. Verification of said received proof. The function is encoded with an integer k>1 of a vector of a biometric datum on at least one input wire of the circuit. The function includes at least m scalar products. Evaluation of the circuit is iteratively computed depending on the value of m.

Abstract: The present invention relates to a biometric identification method of an entity comprising computation of a matching value between biometric data of an entity u and reference biometric data u?, by application of a function F to said biometric data by performing a non-interactive, publicly verifiable computation method comprising: representation of said function in the form of an arithmetic circuit converted into a polynomial representation, and generation of keys, determination of matching value by evaluating the arithmetic circuit having the biometric data of the entity and the reference biometric data as inputs, generation of proof of correction of the computation execution of the matching values, verification of said received proof, representation of said function comprising encoding of an integer k>1 of binary integers of a vector of a biometric datum on at least one input wire of the circuit, and the function F comprising at least m scalar products, if the divider m is equal to 2 or 3, evaluation of t