SG11202103412PA - Computer implemented system and method for distributing shares of digitally signed data - Google Patents
Computer implemented system and method for distributing shares of digitally signed dataInfo
- Publication number
- SG11202103412PA SG11202103412PA SG11202103412PA SG11202103412PA SG11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA SG 11202103412P A SG11202103412P A SG 11202103412PA
- Authority
- SG
- Singapore
- Prior art keywords
- computer implemented
- digitally signed
- implemented system
- signed data
- distributing shares
- Prior art date
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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
-
- 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
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
-
- 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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
-
- 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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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 using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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 using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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 involving digital signatures
- H04L9/3255—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including 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 involving digital signatures using group based signatures, e.g. ring or threshold signatures
-
- 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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
-
- 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
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1817507.5A GB201817507D0 (en) | 2018-10-27 | 2018-10-27 | Computer implemented system and method |
PCT/IB2019/058902 WO2020084418A1 (en) | 2018-10-27 | 2019-10-18 | Computer implemented system and method for distributing shares of digitally signed data |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202103412PA true SG11202103412PA (en) | 2021-05-28 |
Family
ID=64560504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202103412PA SG11202103412PA (en) | 2018-10-27 | 2019-10-18 | Computer implemented system and method for distributing shares of digitally signed data |
Country Status (9)
Country | Link |
---|---|
US (1) | US11979492B2 (ja) |
EP (2) | EP4376350A3 (ja) |
JP (1) | JP7492508B2 (ja) |
KR (1) | KR20210082201A (ja) |
CN (1) | CN112930660A (ja) |
GB (1) | GB201817507D0 (ja) |
SG (1) | SG11202103412PA (ja) |
TW (1) | TWI807125B (ja) |
WO (1) | WO2020084418A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112532580B (zh) * | 2020-10-23 | 2022-09-06 | 暨南大学 | 一种基于区块链及代理重加密的数据传输方法及*** |
TWI748925B (zh) * | 2021-06-09 | 2021-12-01 | 中華電信股份有限公司 | 端對端加密通訊的金鑰交換系統、方法及其電腦可讀媒介 |
GB2609908B (en) * | 2021-08-09 | 2023-10-18 | Nchain Licensing Ag | Generating Digital signatures |
GB2609906B (en) * | 2021-08-09 | 2023-12-27 | Nchain Licensing Ag | Generating digital signature shares |
TWI783804B (zh) * | 2021-12-01 | 2022-11-11 | 英屬開曼群島商現代財富控股有限公司 | 基於線性整數秘密共享的共享單元生成系統及其方法 |
TWI787094B (zh) * | 2022-03-08 | 2022-12-11 | 穎利科研國際事業有限公司 | 資安防護系統 |
CN115767515B (zh) * | 2022-10-28 | 2023-07-14 | 广州声博士声学技术有限公司 | 一种无基站实时噪声大数据的加密共享方法及*** |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7239701B1 (en) | 2000-05-02 | 2007-07-03 | Murata Machinery Ltd. | Key sharing method, secret key generating method, common key generating method and cryptographic communication method in ID-NIKS cryptosystem |
JP2010200210A (ja) | 2009-02-27 | 2010-09-09 | Mitsubishi Electric Corp | 鍵管理機器及び鍵利用システム及び鍵運用システム及び鍵管理方法及び鍵管理プログラム |
US9922063B2 (en) | 2009-12-29 | 2018-03-20 | International Business Machines Corporation | Secure storage of secret data in a dispersed storage network |
JP6571927B2 (ja) | 2014-11-13 | 2019-09-04 | エヌ・ティ・ティ・コミュニケーションズ株式会社 | データ保護装置、データ保護方法及びデータ保護プログラム |
US9735958B2 (en) | 2015-05-19 | 2017-08-15 | Coinbase, Inc. | Key ceremony of a security system forming part of a host computer for cryptographic transactions |
US10103885B2 (en) * | 2016-01-20 | 2018-10-16 | Mastercard International Incorporated | Method and system for distributed cryptographic key provisioning and storage via elliptic curve cryptography |
EA201891822A1 (ru) * | 2016-02-23 | 2019-02-28 | Нчейн Холдингс Лимитед | Безопасность персональных устройств с использованием криптографии на основе эллиптических кривых для разделения секрета |
CN115549887A (zh) * | 2016-02-23 | 2022-12-30 | 恩链控股有限公司 | 用于信息的安全交换的公共秘密的确定和层级确定性密钥 |
ES2701981T3 (es) * | 2016-05-13 | 2019-02-26 | Nchain Holdings Ltd | Método y sistema para verificar la propiedad de un activo digital mediante el uso de una tabla de hash distribuidas y un libro mayor distribuido entre pares |
EP3316549B1 (fr) * | 2016-10-31 | 2023-10-11 | Idemia Identity & Security France | Procédé de contrôle d'identité d'un utilisateur au moyen d'une base de données publique |
US10411897B2 (en) * | 2017-02-17 | 2019-09-10 | Factom, Inc. | Secret sharing via blockchains |
US10320565B2 (en) * | 2017-02-28 | 2019-06-11 | Certicom Corp. | Generating an elliptic curve point in an elliptic curve cryptographic system |
GB201705621D0 (en) * | 2017-04-07 | 2017-05-24 | Nchain Holdings Ltd | Computer-implemented system and method |
CN107612934A (zh) * | 2017-10-24 | 2018-01-19 | 济南浪潮高新科技投资发展有限公司 | 一种基于密钥分割的区块链移动端计算***和方法 |
EP3511851A1 (en) * | 2018-01-12 | 2019-07-17 | Siemens Healthcare GmbH | Storing and accessing medical datasets on the blockchain |
-
2018
- 2018-10-27 GB GBGB1817507.5A patent/GB201817507D0/en not_active Ceased
-
2019
- 2019-10-18 SG SG11202103412PA patent/SG11202103412PA/en unknown
- 2019-10-18 JP JP2021520548A patent/JP7492508B2/ja active Active
- 2019-10-18 US US17/288,844 patent/US11979492B2/en active Active
- 2019-10-18 KR KR1020217015256A patent/KR20210082201A/ko unknown
- 2019-10-18 EP EP24170713.2A patent/EP4376350A3/en active Pending
- 2019-10-18 CN CN201980071178.6A patent/CN112930660A/zh active Pending
- 2019-10-18 WO PCT/IB2019/058902 patent/WO2020084418A1/en active Application Filing
- 2019-10-18 EP EP19794254.3A patent/EP3871365B1/en active Active
- 2019-10-25 TW TW108138676A patent/TWI807125B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN112930660A (zh) | 2021-06-08 |
EP3871365A1 (en) | 2021-09-01 |
KR20210082201A (ko) | 2021-07-02 |
WO2020084418A1 (en) | 2020-04-30 |
GB201817507D0 (en) | 2018-12-12 |
US20220006615A1 (en) | 2022-01-06 |
US11979492B2 (en) | 2024-05-07 |
TWI807125B (zh) | 2023-07-01 |
JP7492508B2 (ja) | 2024-05-29 |
EP4376350A3 (en) | 2024-07-10 |
TW202029693A (zh) | 2020-08-01 |
EP4376350A2 (en) | 2024-05-29 |
JP2022504932A (ja) | 2022-01-13 |
EP3871365B1 (en) | 2024-05-29 |
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