EP3596651A4 - Symmetric cryptographic method and system and applications thereof - Google Patents

Symmetric cryptographic method and system and applications thereof Download PDF

Info

Publication number
EP3596651A4
EP3596651A4 EP18756556.9A EP18756556A EP3596651A4 EP 3596651 A4 EP3596651 A4 EP 3596651A4 EP 18756556 A EP18756556 A EP 18756556A EP 3596651 A4 EP3596651 A4 EP 3596651A4
Authority
EP
European Patent Office
Prior art keywords
applications
symmetric cryptographic
cryptographic method
symmetric
cryptographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18756556.9A
Other languages
German (de)
French (fr)
Other versions
EP3596651A1 (en
Inventor
Glen Arthur HENDERSON
Brent Eric NORDIN
Daniel Marcel Joseph SEGUIN
Prateek Srivastava
Ian Hugh CURRY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cord3 Innovation Inc
Original Assignee
Cord3 Innovation Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/905,162 external-priority patent/US10686598B2/en
Application filed by Cord3 Innovation Inc filed Critical Cord3 Innovation Inc
Publication of EP3596651A1 publication Critical patent/EP3596651A1/en
Publication of EP3596651A4 publication Critical patent/EP3596651A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/04—Masking or blinding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
EP18756556.9A 2017-02-27 2018-02-27 Symmetric cryptographic method and system and applications thereof Pending EP3596651A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201762464160P 2017-02-27 2017-02-27
US201762524576P 2017-06-25 2017-06-25
US15/905,162 US10686598B2 (en) 2017-02-27 2018-02-26 One-to-many symmetric cryptographic system and method
US15/905,055 US10778424B2 (en) 2017-02-27 2018-02-26 Symmetric cryptographic method and system and applications thereof
US15/905,232 US10742408B2 (en) 2017-02-27 2018-02-26 Many-to-many symmetric cryptographic system and method
PCT/CA2018/000036 WO2018152618A1 (en) 2017-02-27 2018-02-27 Symmetric cryptographic method and system and applications thereof

Publications (2)

Publication Number Publication Date
EP3596651A1 EP3596651A1 (en) 2020-01-22
EP3596651A4 true EP3596651A4 (en) 2021-01-06

Family

ID=63252437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18756556.9A Pending EP3596651A4 (en) 2017-02-27 2018-02-27 Symmetric cryptographic method and system and applications thereof

Country Status (3)

Country Link
EP (1) EP3596651A4 (en)
CA (1) CA3056814A1 (en)
WO (1) WO2018152618A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110738513B (en) * 2019-09-11 2022-08-02 完美世界(北京)软件科技发展有限公司 Method and device for generating and verifying redemption code
US11677754B2 (en) 2019-12-09 2023-06-13 Daniel Chien Access control systems and methods
CN111711515B (en) * 2020-05-18 2022-04-26 冠群信息技术(南京)有限公司 Three-party AES key synthesis method, encryption method and decryption method
CN112100582B (en) * 2020-09-22 2023-06-16 焦点教育科技有限公司 Method for protecting software distribution safety by applying strong symmetric encryption
EP4324156A1 (en) * 2021-04-16 2024-02-21 Daniel Chien Shared key generation based on dual clocks

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016276A (en) * 1986-07-31 1991-05-14 Kabushiki Kaisha Advance Common cryptokey generation system and communication system using common cryptokeys
US20080095368A1 (en) * 2006-10-20 2008-04-24 Fujitsu Limited Symmetric key generation apparatus and symmetric key generation method
US20100002877A1 (en) * 2008-07-07 2010-01-07 General Instrument Corporation Adaptive generation of a pseudo random number generator seed
US20120063592A1 (en) * 2010-09-14 2012-03-15 Compugroup Holding Ag Apparatus for encrypting data
US20150365424A1 (en) * 2014-06-12 2015-12-17 Nagravision S.A. Cryptographic method for securely exchanging messages and device and system for implementing this method
WO2016042693A1 (en) * 2014-09-19 2016-03-24 日本電気株式会社 Secret calculation device, method, recording medium, and secret calculation system
US20160098580A1 (en) * 2014-10-02 2016-04-07 Winbond Electronics Corporation Bus protection with improved key entropy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016276A (en) * 1986-07-31 1991-05-14 Kabushiki Kaisha Advance Common cryptokey generation system and communication system using common cryptokeys
US20080095368A1 (en) * 2006-10-20 2008-04-24 Fujitsu Limited Symmetric key generation apparatus and symmetric key generation method
US20100002877A1 (en) * 2008-07-07 2010-01-07 General Instrument Corporation Adaptive generation of a pseudo random number generator seed
US20120063592A1 (en) * 2010-09-14 2012-03-15 Compugroup Holding Ag Apparatus for encrypting data
US20150365424A1 (en) * 2014-06-12 2015-12-17 Nagravision S.A. Cryptographic method for securely exchanging messages and device and system for implementing this method
WO2016042693A1 (en) * 2014-09-19 2016-03-24 日本電気株式会社 Secret calculation device, method, recording medium, and secret calculation system
US20160098580A1 (en) * 2014-10-02 2016-04-07 Winbond Electronics Corporation Bus protection with improved key entropy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018152618A1 *

Also Published As

Publication number Publication date
EP3596651A1 (en) 2020-01-22
CA3056814A1 (en) 2018-08-30
WO2018152618A1 (en) 2018-08-30

Similar Documents

Publication Publication Date Title
EP3659138A4 (en) Selection system and method
EP3548456A4 (en) Ethylene-to-liquids systems and methods
EP3353728A4 (en) Authentication systems and methods
EP3470880A4 (en) Ranging system and ranging method
EP3610971A4 (en) Processing method and processing system
EP3732824A4 (en) Methods and systems for cryptographic identity based network microsegmentation
EP3655873A4 (en) Systems and methods for blockchain-dependent operation sets
EP3609152A4 (en) Internet-of-things authentication system and internet-of-things authentication method
EP3644865A4 (en) Magnetic devices, systems, and methods
EP3326025A4 (en) Modifiable-focus lens devices, systems, and related methods
EP3472796A4 (en) Geo-fencing system and method
EP3612978A4 (en) Systems and methods for encoder-guided adaptive-quality rendering
EP3596424A4 (en) Ptychography based system and method
EP3596651A4 (en) Symmetric cryptographic method and system and applications thereof
EP3596417A4 (en) Cooling systems and methods
EP3592523A4 (en) Cooling system and method
EP3688925A4 (en) Method and system for key agreement utilizing semigroups
EP3692009A4 (en) Biocementation method and system
EP3570582A4 (en) Entity configuration method, device and system, and cu-u
EP3692008A4 (en) Biocementation methods and systems
EP3590725A4 (en) Medium-issuing system and medium-issuing method
EP3721580A4 (en) System and method for cryptographic choice mechanisms
EP3346455A4 (en) Secret calculation system, secret calculation device, and secret calculation method
EP3579173A4 (en) Transaction system and transaction method
EP3631662A4 (en) Authentication system and method

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190930

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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

AX Request for extension of the european patent

Extension state: BA ME

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SEGUIN, DANIEL, MARCEL, JOSEPH

Inventor name: CURRY, IAN, HUGH

Inventor name: NORDIN, BRENT, ERIC

Inventor name: SRIVASTAVA, PRATEEK

Inventor name: HENDERSON, GLEN, ARTHUR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: G06F0021620000

Ipc: H04L0009080000

A4 Supplementary search report drawn up and despatched

Effective date: 20201209

RIC1 Information provided on ipc code assigned before grant

Ipc: G06F 21/62 20130101ALI20201203BHEP

Ipc: H04L 9/08 20060101AFI20201203BHEP

Ipc: G09C 1/00 20060101ALI20201203BHEP

Ipc: H04L 9/06 20060101ALI20201203BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CORD3 INNOVATION INC.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230426