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1. WO2018141378 - METHODS AND DEVICES FOR PROTECTING DATA

Publication Number WO/2018/141378
Publication Date 09.08.2018
International Application No. PCT/EP2017/052130
International Filing Date 01.02.2017
IPC
G09C 1/00 2006.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
CCIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
1Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
H04L 9/08 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
08Key distribution
CPC
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
G09C 1/00
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
CCODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
1Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
H04L 9/0631
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
06the encryption apparatus using shift registers or memories for block-wise ; or stream; coding, e.g. DES systems ; or RC4; Hash functions; Pseudorandom sequence generators
0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
0631Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
H04L 9/0866
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
08Key distribution ; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
0866involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
H04L 9/0869
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
08Key distribution ; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
0869involving random numbers or seeds
H04L 9/3278
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
3271using challenge-response
3278using physically unclonable functions [PUF]
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
Inventors
  • NORRMAN, Karl
  • DUBROVA, Elena
Agents
  • ERICSSON
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND DEVICES FOR PROTECTING DATA
(FR) PROCÉDÉS ET DISPOSITIFS DE PROTECTION DE DONNÉES
Abstract
(EN)
A method (20) performed by a device (1) for protecting data is provided. The method (20) comprises inputting (21), to a Physically Unclonable Function, PUF, (3), of the device (1), a challenge; obtaining (22), from the PUF (3), a response; and protecting (23) the data by using the response. A device (1), a method in an encryption unit, computer program and computer program product are also provided.
(FR)
L'invention concerne un procédé (20) mis en oeuvre par un dispositif (1) pour protéger des données. Le procédé (20) comprend l'entrée (21) d’un défi dans une fonction physiquement non clonable, la PUF, (3), du dispositif (1) ; l'obtention (22), de la PUF (3), d'une réponse ; et la protection (23) des données en utilisant la réponse. L'invention concerne également un dispositif (1), un procédé dans une unité de chiffrement, un programme informatique et un produit programme d'ordinateur.
Also published as
EP2017703703
Latest bibliographic data on file with the International Bureau