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1. WO2020115496 - A NODE TESTING METHOD AND APPARATUS FOR A BLOCKCHAIN SYSTEM

Publication Number WO/2020/115496
Publication Date 11.06.2020
International Application No. PCT/GB2019/053449
International Filing Date 06.12.2019
IPC
H04L 29/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
G06F 21/64 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
64Protecting data integrity, e.g. using checksums, certificates or signatures
CPC
G06F 11/3006
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
30Monitoring
3003Monitoring arrangements specially adapted to the computing system or computing system component being monitored
3006where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
G06F 11/3409
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
30Monitoring
34Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; ; Recording or statistical evaluation of user activity, e.g. usability assessment
3409for performance assessment
G06F 11/3414
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
30Monitoring
34Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; ; Recording or statistical evaluation of user activity, e.g. usability assessment
3409for performance assessment
3414Workload generation, e.g. scripts, playback
G06F 21/64
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
64Protecting data integrity, e.g. using checksums, certificates or signatures
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 43/0864
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
43Arrangements for monitoring or testing packet switching networks
08Monitoring based on specific metrics
0852Delays
0864Round trip delays
Applicants
  • DRAGON INFOSEC LTD [GB]/[GB]
Inventors
  • DENNIS, Richard Matthew
  • OWENSON, Gareth Huw
Agents
  • REDDIE & GROSE LLP
Priority Data
1820008.907.12.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A NODE TESTING METHOD AND APPARATUS FOR A BLOCKCHAIN SYSTEM
(FR) PROCÉDÉ ET APPAREIL DE TEST DE NŒUD POUR UN SYSTÈME DE CHAÎNE DE BLOCS
Abstract
(EN)
A method for a blockchain system is disclosed, the method comprising testing, by a first node of the blockchain system, a second node of the blockchain system, the test comprising: sending, from the first node to the second node, a volume of data to be hashed by the second node, wherein the volume of data is sent at a first time;and receiving at the first node, from the second node, the hash of the volume of data, wherein the hash of the volume of data is received at a second time. The test further comprises determining, by the first node, whether the received hash of the volume of data matches an expected hash of the volume of data;determining, by the first node, a time difference between the first time and the second time; and determining, by the first node, whether or not the second node is eligible to be selected as a confirming node of the blockchain system based on the determined time difference and whether the received hash of the volume of data matches the expected hash of the volume of data.
(FR)
L'invention concerne un procédé pour un système de chaîne de blocs, le procédé consistant à tester, par un premier nœud du système de chaîne de blocs, un second nœud du système de chaîne de blocs, le test consistant à : envoyer, du premier nœud au second nœud, un volume de données à hacher par le second nœud, le volume de données étant envoyé dans un premier temps ; et recevoir au niveau du premier nœud, du second nœud, le hachage du volume de données, le hachage du volume de données étant reçu dans un second temps. Le test consiste en outre à déterminer, par le premier nœud, si le hachage reçu du volume de données correspond à un hachage attendu du volume de données ; à déterminer, par le premier nœud, une différence de temps entre le premier temps et le second temps ; et à déterminer, par le premier nœud, si le second nœud est éligible ou non comme nœud de confirmation du système de chaîne de blocs sur la base de la différence de temps déterminée et si le hachage reçu du volume de données correspond au hachage attendu du volume de données.
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