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1. WO2020231762 - SYSTEM AND METHOD FOR PERFORMING EQUALITY AND LESS THAN OPERATIONS ON ENCRYPTED DATA WITH QUASIGROUP OPERATIONS

Publication Number WO/2020/231762
Publication Date 19.11.2020
International Application No. PCT/US2020/031967
International Filing Date 07.05.2020
IPC
H04L 9/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
06the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
H04L 9/30 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Arrangements for secret or secure communication
28using particular encryption algorithm
30Public key, i.e. encryption algorithm being computationally infeasible to invert and users' encryption keys not requiring secrecy
G06F 21/60 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
CPC
H04L 9/0618
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
H04L 9/0819
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
0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
0819Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
H04L 9/085
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
0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
085Secret sharing or secret splitting, e.g. threshold schemes
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 9/3242
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
3236using cryptographic hash functions
3242involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
Applicants
  • BAFFLE INC. [US]/[US]
Inventors
  • KOLTE, Priyadarshan
  • JACKSON, Spence
  • SHANMUGAVELAYUTHAM, Palanivel, Rajan
  • BELLARE, Mihir
  • CHENETTE, Nathan
Agents
  • LOHSE, Timothy W.
Priority Data
16/412,17414.05.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR PERFORMING EQUALITY AND LESS THAN OPERATIONS ON ENCRYPTED DATA WITH QUASIGROUP OPERATIONS
(FR) SYSTÈME ET PROCÉDÉ POUR EFFECTUER DES OPÉRATIONS D'ÉGALITÉ ET D'INFÉRIORITÉ SUR DES DONNÉES CHIFFRÉES AVEC DES OPÉRATIONS DE QUASI-GROUPE
Abstract
(EN)
An encryption system and method that addresses private computation in public clouds and provides the ability to perform operations of encrypted data (including equality determinations and compare for less than operations) are provided.
(FR)
L'invention concerne un système et un procédé de chiffrement qui aborde le calcul privé dans des nuages publics et offre la possibilité d'effectuer des opérations de données chiffrées (y compris des déterminations d'égalité et une comparaison pour les opérations d'infériorité).
Latest bibliographic data on file with the International Bureau