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1. WO2020064890 - METHOD FOR PROCESSING A TRANSACTION, DEVICE, SYSTEM AND CORRESPONDING PROGRAM

Publication Number WO/2020/064890
Publication Date 02.04.2020
International Application No. PCT/EP2019/075953
International Filing Date 25.09.2019
IPC
G06F 21/31 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
30Authentication, i.e. establishing the identity or authorisation of security principals
31User authentication
H04L 9/32 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
32including means for verifying the identity or authority of a user of the system
CPC
G06F 21/31
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
30Authentication, i.e. establishing the identity or authorisation of security principals
31User authentication
G06F 2221/2101
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
2101Auditing as a secondary aspect
H04L 2209/38
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
2209Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
38Chaining, e.g. hash chain or certificate chain
H04L 9/32
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
32including means for verifying the identity or authority of a user of the system ; or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
Applicants
  • BANKS AND ACQUIRERS INTERNATIONAL HOLDING [FR]/[FR]
Inventors
  • QUENTIN, Pierre
Agents
  • VIDON BREVETS & STRATÉGIE
Priority Data
185875425.09.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR PROCESSING A TRANSACTION, DEVICE, SYSTEM AND CORRESPONDING PROGRAM
(FR) PROCEDE DE TRAITEMENT D'UNE TRANSACTION, DISPOSITIF, SYSTEME ET PROGRAMME CORRESPONDANT
Abstract
(EN)
The invention concerns a method for processing a transaction, the method being implemented by an electronic transaction processing device, accessible via a communication network, the processing method comprising a transaction processing phase. Such a phase comprises: - a step (T10, T20, I10, I20, I21) of obtaining a contextual cryptographic fingerprint, previously generated during the authentication of a user on a communication terminal; - a step (T30, I30) of verifying the validity of the contextual cryptographic fingerprint within a blockchain comprising a set of cryptographic fingerprints; - a step (T40, I40) of validating a transaction when the step (T30, I30) of verifying the validity of the contextual cryptographic fingerprint within a blockchain is positive.
(FR)
L'invention se rapporte à un procédé de traitement d'une transaction, procédé mis en œuvre par un dispositif électronique de traitement de transactions, accessible par l'intermédiaire d'un réseau de communication, ledit procédé de traitement comprenant une phase de traitement de transaction. Une telle phase comprend : - une étape d'obtention (T10, T20, I10, I20, I21) d'une empreinte cryptographique contextuelle, préalablement générée au cours d'une authentification d'un utilisateur sur un terminal de communication; - une étape de vérification (T30, I30) de validité de l'empreinte cryptographique contextuelle au sein d'une chaine de blocs comprenant un ensemble d'empreintes cryptographiques; - une étape de validation (T40, I40) d'une transaction lorsque l'étape de vérification (T30, I30) de validité de l'empreinte cryptographique contextuelle au sein d'une chaine de blocs est positive.
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