SG11202000804PA - Threshold digital signature method and system - Google Patents
Threshold digital signature method and systemInfo
- Publication number
- SG11202000804PA SG11202000804PA SG11202000804PA SG11202000804PA SG11202000804PA SG 11202000804P A SG11202000804P A SG 11202000804PA SG 11202000804P A SG11202000804P A SG 11202000804PA SG 11202000804P A SG11202000804P A SG 11202000804PA SG 11202000804P A SG11202000804P A SG 11202000804PA
- Authority
- SG
- Singapore
- Prior art keywords
- digital signature
- signature method
- threshold digital
- threshold
- signature
- 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
- H04L9/06—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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
-
- 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
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
-
- 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
- H04L9/304—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy based on error correction codes, e.g. McEliece
-
- 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
-
- 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)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Power Engineering (AREA)
- Storage Device Security (AREA)
- Communication Control (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1713064.2A GB201713064D0 (en) | 2017-08-15 | 2017-08-15 | Computer-implemented methods and systems |
IB2017054961 | 2017-08-15 | ||
IB2017057782 | 2017-12-11 | ||
PCT/IB2018/055604 WO2019034951A1 (en) | 2017-08-15 | 2018-07-26 | Threshold digital signature method and system |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202000804PA true SG11202000804PA (en) | 2020-02-27 |
Family
ID=63254756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202000804PA SG11202000804PA (en) | 2017-08-15 | 2018-07-26 | Threshold digital signature method and system |
Country Status (9)
Country | Link |
---|---|
US (2) | US11671255B2 (en) |
EP (1) | EP3669490A1 (en) |
JP (2) | JP7301039B2 (en) |
KR (1) | KR102627039B1 (en) |
CN (1) | CN110999206A (en) |
SG (1) | SG11202000804PA (en) |
TW (1) | TWI797147B (en) |
WO (1) | WO2019034951A1 (en) |
ZA (1) | ZA202000644B (en) |
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US10505723B1 (en) | 2017-04-26 | 2019-12-10 | Wells Fargo Bank, N.A. | Secret sharing information management and security system |
US11444779B2 (en) | 2018-08-02 | 2022-09-13 | Paypal, Inc. | Techniques for securing application programming interface requests using multi-party digital signatures |
DE102018127529A1 (en) * | 2018-11-05 | 2020-05-07 | Infineon Technologies Ag | Electronic device and method for signing a message |
EP3696670A1 (en) * | 2019-02-13 | 2020-08-19 | UVUE Limited | Distributed computation system and method of operation thereof |
SG11202108123RA (en) * | 2019-03-05 | 2021-08-30 | Sepior Aps | A method for providing a digital signature to a message |
CN110162570B (en) * | 2019-04-17 | 2021-03-05 | 创新先进技术有限公司 | Method and device for obtaining block chain data in multiple times |
GB201907397D0 (en) * | 2019-05-24 | 2019-07-10 | Nchain Holdings Ltd | Knowledge proof |
GB2584154A (en) | 2019-05-24 | 2020-11-25 | Nchain Holdings Ltd | Knowledge proof |
US11228452B2 (en) * | 2019-09-16 | 2022-01-18 | Cisco Technology, Inc. | Distributed certificate authority |
CN110851859B (en) * | 2019-10-22 | 2023-09-29 | 华东师范大学 | Authentication method of distributed authority node block chain system with (n, t) threshold |
US11271728B2 (en) * | 2019-12-20 | 2022-03-08 | Fujitsu Limited | Secure key management |
WO2021130748A1 (en) | 2019-12-23 | 2021-07-01 | Kzen Networks Ltd. | System and method of management of a shared cryptographic account |
CN111628863B (en) * | 2020-05-29 | 2021-02-09 | 北京海泰方圆科技股份有限公司 | Data signature method and device, electronic equipment and storage medium |
CN111669275B (en) * | 2020-07-07 | 2023-04-07 | 广东工业大学 | Master-slave cooperative signature method capable of selecting slave nodes in wireless network environment |
US20230016859A1 (en) * | 2020-07-13 | 2023-01-19 | Inpher, Inc. | Multi-Pivot Partial Quicksort and Oblivious Comparisons of Secret Shared Arithmetic Values in a Multi-Party Computing Setting |
US11394550B2 (en) | 2020-07-30 | 2022-07-19 | Dapper Labs Inc. | Systems and methods providing specialized proof of confidential knowledge |
CN112003694B (en) * | 2020-08-10 | 2023-06-23 | 杭州溪塔科技有限公司 | License issuing method, system, electronic equipment and medium based on blockchain |
US11777917B2 (en) | 2020-10-15 | 2023-10-03 | Cisco Technology, Inc. | Multi-party cloud authenticator |
CN113259095B (en) * | 2021-04-27 | 2022-12-20 | 博雅中科(北京)信息技术有限公司 | Collaborative public key generation method, multi-party collaborative signature method and system |
CN113438070B (en) * | 2021-05-25 | 2023-07-21 | 中国科学院计算技术研究所 | CAPSS-based block chain key recovery method and system |
CN113708924B (en) * | 2021-07-30 | 2022-09-30 | 西安邮电大学 | Elliptic curve threshold signature method based on block chain |
GB2609906B (en) * | 2021-08-09 | 2023-12-27 | Nchain Licensing Ag | Generating digital signature shares |
SE546023C2 (en) * | 2021-10-26 | 2024-04-16 | Assa Abloy Ab | Providing biometric access control using threshold cryptography |
US20230291579A1 (en) * | 2022-03-08 | 2023-09-14 | Western Digital Technologies, Inc. | Cryptographic keys for authorization requests from a data storage device |
CN115208586B (en) * | 2022-09-13 | 2022-12-30 | 中安网脉(北京)技术股份有限公司 | Secret sharing-based digital signature method and system |
CN116401715B (en) * | 2023-06-08 | 2023-08-22 | 中国移动紫金(江苏)创新研究院有限公司 | Medical data circulation privacy calculation method and system based on blockchain |
CN116668024B (en) * | 2023-07-28 | 2023-10-31 | 武汉趣链数字科技有限公司 | Distributed key generation method and device, electronic equipment and storage medium |
CN117134910B (en) * | 2023-10-24 | 2024-03-15 | 深圳市纽创信安科技开发有限公司 | Key sharing method, system and storage medium |
CN117439737B (en) * | 2023-12-18 | 2024-02-27 | 北京信安世纪科技股份有限公司 | Collaborative signature method and collaborative signature system |
CN117728959A (en) * | 2024-02-06 | 2024-03-19 | 中国信息通信研究院 | Threshold signature method and device, electronic equipment and storage medium |
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CN106712942B (en) * | 2017-01-10 | 2019-08-23 | 武汉理工大学 | SM2 digital signature generation method and system based on privacy sharing |
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-
2018
- 2018-07-26 CN CN201880053360.4A patent/CN110999206A/en active Pending
- 2018-07-26 KR KR1020207005089A patent/KR102627039B1/en active IP Right Grant
- 2018-07-26 JP JP2020506735A patent/JP7301039B2/en active Active
- 2018-07-26 WO PCT/IB2018/055604 patent/WO2019034951A1/en unknown
- 2018-07-26 US US16/639,096 patent/US11671255B2/en active Active
- 2018-07-26 EP EP18756293.9A patent/EP3669490A1/en active Pending
- 2018-07-26 SG SG11202000804PA patent/SG11202000804PA/en unknown
- 2018-08-01 TW TW107126719A patent/TWI797147B/en active
-
2020
- 2020-01-30 ZA ZA2020/00644A patent/ZA202000644B/en unknown
-
2023
- 2023-04-24 US US18/138,323 patent/US20230421375A1/en active Pending
- 2023-06-20 JP JP2023100467A patent/JP2023120347A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3669490A1 (en) | 2020-06-24 |
JP2020531893A (en) | 2020-11-05 |
ZA202000644B (en) | 2023-07-26 |
KR20200036884A (en) | 2020-04-07 |
US20200213113A1 (en) | 2020-07-02 |
CN110999206A (en) | 2020-04-10 |
TW201911809A (en) | 2019-03-16 |
TWI797147B (en) | 2023-04-01 |
JP7301039B2 (en) | 2023-06-30 |
KR102627039B1 (en) | 2024-01-19 |
US20230421375A1 (en) | 2023-12-28 |
US11671255B2 (en) | 2023-06-06 |
JP2023120347A (en) | 2023-08-29 |
WO2019034951A1 (en) | 2019-02-21 |
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