EP 3777007 A1 20210217 - METHODS, DEVICES AND COMPUTER PROGRAMS FOR THE ENCIPHERMENT AND DECIPHERMENT OF DATA FOR THE TRANSMISSION OR STORAGE OF DATA
Title (en)
METHODS, DEVICES AND COMPUTER PROGRAMS FOR THE ENCIPHERMENT AND DECIPHERMENT OF DATA FOR THE TRANSMISSION OR STORAGE OF DATA
Title (de)
VERFAHREN, VORRICHTUNGEN UND COMPUTERPROGRAMME ZUR VERSCHLÜSSELUNG UND ENTSCHLÜSSELUNG VON DATEN ZUR ÜBERTRAGUNG ODER SPEICHERUNG VON DATEN
Title (fr)
PROCÉDÉS, DISPOSITIFS ET PROGRAMMES D'ORDINATEUR POUR LE CHIFFREMENT ET LE DÉCHIFFREMENT DE DONNÉES POUR LA TRANSMISSION OU LE STOCKAGE DE DONNÉES
Publication
Application
Priority
- FR 1800295 A 20180410
- FR 2019050845 W 20190410
Abstract (en)
[origin: WO2019197780A1] The subject of the invention is in particular a method of enciphering or deciphering a data stream, the method comprising the following steps, - generation of a list of pseudo-random numbers; - creation of a stream of enciphering keys on the basis of the generated list of pseudo-random numbers; - for each datum of the data stream, • selection of an enciphering key from the created stream of keys according to a predetermined selection mechanism and • encipherment or decipherment of the datum considered with the aid of the selected enciphering key.
IPC 8 full level
G09C 1/00 (2006.01); H04L 9/06 (2006.01); H04N 21/266 (2011.01)
CPC (source: EP)
G09C 1/00 (2013.01); H04L 9/065 (2013.01); H04L 9/0668 (2013.01); H04N 21/26606 (2013.01); H04L 2209/125 (2013.01)
Citation (search report)
See references of WO 2019197780A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3079989 A1 20191011; FR 3079989 B1 20200501; EP 3777007 A1 20210217; WO 2019197780 A1 20191017
DOCDB simple family (application)
FR 1800295 A 20180410; EP 19726049 A 20190410; FR 2019050845 W 20190410