EP3596651A4 - Symmetrisches kryptografisches verfahren und system sowie anwendungen davon - Google Patents

Symmetrisches kryptografisches verfahren und system sowie anwendungen davon 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
English (en)
French (fr)
Other versions
EP3596651A1 (de
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 US15/905,055 external-priority patent/US10778424B2/en
Application filed by Cord3 Innovation Inc filed Critical Cord3 Innovation Inc
Publication of EP3596651A1 publication Critical patent/EP3596651A1/de
Publication of EP3596651A4 publication Critical patent/EP3596651A4/de
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 Symmetrisches kryptografisches verfahren und system sowie anwendungen davon Pending EP3596651A4 (de)

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
US15/905,055 US10778424B2 (en) 2017-02-27 2018-02-26 Symmetric cryptographic method and system and applications thereof
US15/905,162 US10686598B2 (en) 2017-02-27 2018-02-26 One-to-many symmetric cryptographic system and method
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 (de) 2020-01-22
EP3596651A4 true EP3596651A4 (de) 2021-01-06

Family

ID=63252437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18756556.9A Pending EP3596651A4 (de) 2017-02-27 2018-02-27 Symmetrisches kryptografisches verfahren und system sowie anwendungen davon

Country Status (3)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110738513B (zh) * 2019-09-11 2022-08-02 完美世界(北京)软件科技发展有限公司 一种用于生成、验证兑换码的方法和装置
US11677754B2 (en) 2019-12-09 2023-06-13 Daniel Chien Access control systems and methods
CN111711515B (zh) * 2020-05-18 2022-04-26 冠群信息技术(南京)有限公司 一种三方aes密钥合成方法、加密方法和解密方法
CN112100582B (zh) * 2020-09-22 2023-06-16 焦点教育科技有限公司 一种应用强对称加密保护软件分发安全的方法
EP4324156A1 (de) * 2021-04-16 2024-02-21 Daniel Chien Gemeinsame schlüsselerzeugung auf basis von zwei takten

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 (ja) * 2014-09-19 2016-03-24 日本電気株式会社 秘密計算装置、方法、記録媒体、および秘密計算システム
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 (ja) * 2014-09-19 2016-03-24 日本電気株式会社 秘密計算装置、方法、記録媒体、および秘密計算システム
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 (de) 2020-01-22
WO2018152618A1 (en) 2018-08-30
CA3056814A1 (en) 2018-08-30

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