EP3596651A4 - Symmetric cryptographic method and system and applications thereof - Google Patents
Symmetric cryptographic method and system and applications thereof Download PDFInfo
- 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
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)
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 |
US15/905,232 US10742408B2 (en) | 2017-02-27 | 2018-02-26 | Many-to-many symmetric cryptographic system and method |
US15/905,162 US10686598B2 (en) | 2017-02-27 | 2018-02-26 | One-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)
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)
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 |
-
2018
- 2018-02-27 WO PCT/CA2018/000036 patent/WO2018152618A1/en unknown
- 2018-02-27 EP EP18756556.9A patent/EP3596651A4/en active Pending
- 2018-02-27 CA CA3056814A patent/CA3056814A1/en active Pending
Patent Citations (7)
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)
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 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20190930 |
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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 |
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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 |
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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 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20201209 |
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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 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CORD3 INNOVATION INC. |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20230426 |