SG11202102202RA - Key management for multi-party computation - Google Patents
Key management for multi-party computationInfo
- Publication number
- SG11202102202RA SG11202102202RA SG11202102202RA SG11202102202RA SG11202102202RA SG 11202102202R A SG11202102202R A SG 11202102202RA SG 11202102202R A SG11202102202R A SG 11202102202RA SG 11202102202R A SG11202102202R A SG 11202102202RA SG 11202102202R A SG11202102202R A SG 11202102202RA
- Authority
- SG
- Singapore
- Prior art keywords
- key management
- party computation
- computation
- party
- management
- 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
- H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
-
- 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
-
- 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
- H04L2209/46—Secure multiparty computation, e.g. millionaire problem
-
- 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
- H04L2209/50—Oblivious transfer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2018/052448 WO2020068038A1 (en) | 2018-09-24 | 2018-09-24 | Key management for multi-party computation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202102202RA true SG11202102202RA (en) | 2021-04-29 |
Family
ID=69952426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202102202RA SG11202102202RA (en) | 2018-09-24 | 2018-09-24 | Key management for multi-party computation |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US11664982B2 (en) |
| EP (1) | EP3857812A4 (en) |
| CN (1) | CN112740615B (en) |
| SG (1) | SG11202102202RA (en) |
| WO (1) | WO2020068038A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9768953B2 (en) * | 2015-09-30 | 2017-09-19 | Pure Storage, Inc. | Resharing of a split secret |
| EP4035044A4 (en) | 2019-09-23 | 2022-10-26 | Visa International Service Association | System, method, and computer program product for secure key management |
| US11507883B2 (en) * | 2019-12-03 | 2022-11-22 | Sap Se | Fairness and output authenticity for secure distributed machine learning |
| US11748770B1 (en) * | 2020-03-30 | 2023-09-05 | Amdocs Development Limited | System, method, and computer program for using shared customer data and artificial intelligence to predict customer classifications |
| US11658815B2 (en) * | 2020-08-03 | 2023-05-23 | Coinbase Il Rd Ltd. | System and method for performing key operations during a multi-party computation process |
| US11757634B2 (en) * | 2021-03-30 | 2023-09-12 | Bank Of America Corporation | System for secure client-side cryptographic key retrieval using cryptographic key splitting and wrapping |
| CN113901507B (en) * | 2021-12-08 | 2022-04-19 | 粤港澳大湾区数字经济研究院(福田) | Multi-party resource processing method and privacy computing system |
| US12438700B1 (en) * | 2022-06-30 | 2025-10-07 | Amazon Technologies, Inc. | Threshold encryption and decryption using a key management service in a provider network |
| CN116633547A (en) * | 2023-02-16 | 2023-08-22 | 杭州弦冰科技有限公司 | HMAC digital signature method, electronic equipment, and storage medium based on multi-party secure computing |
| CN117254911B (en) * | 2023-11-17 | 2024-02-13 | 北京安华金和科技有限公司 | Multiparty security computing processing method and multiparty security computing processing system based on secret sharing |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8824684B2 (en) * | 2007-12-08 | 2014-09-02 | International Business Machines Corporation | Dynamic, selective obfuscation of information for multi-party transmission |
| US8539220B2 (en) * | 2010-02-26 | 2013-09-17 | Microsoft Corporation | Secure computation using a server module |
| US9077539B2 (en) * | 2011-03-09 | 2015-07-07 | Microsoft Technology Licensing, Llc | Server-aided multi-party protocols |
| US9065637B2 (en) * | 2012-01-25 | 2015-06-23 | CertiVox Ltd. | System and method for securing private keys issued from distributed private key generator (D-PKG) nodes |
| US9736128B2 (en) * | 2014-05-21 | 2017-08-15 | The Board Of Regents, The University Of Texas System | System and method for a practical, secure and verifiable cloud computing for mobile systems |
| BR112017002747A2 (en) * | 2014-08-29 | 2018-01-30 | Visa Int Service Ass | computer implemented method, and, computer system. |
| WO2016135738A1 (en) * | 2015-02-27 | 2016-09-01 | Dyadic Security Ltd | Asystem and methods for protecting keys using garbled circuits |
| EP3298533B1 (en) * | 2015-05-19 | 2020-01-29 | Cryptomove, Inc. | Security via data concealment |
| US9973480B2 (en) * | 2015-09-30 | 2018-05-15 | International Business Machines Corporation | Multi-level security enforcement utilizing data typing |
| US9705859B2 (en) * | 2015-12-11 | 2017-07-11 | Amazon Technologies, Inc. | Key exchange through partially trusted third party |
| BR112018016234A2 (en) * | 2016-02-23 | 2019-01-02 | Nchain Holdings Ltd | computer-implemented method for controlling access to a resource, computer-based systems and method for controlling access to a digital wallet |
| US20170359321A1 (en) * | 2016-06-13 | 2017-12-14 | Microsoft Technology Licensing, Llc | Secure Data Exchange |
| US11563567B2 (en) * | 2017-09-27 | 2023-01-24 | Visa International Service Association | Secure shared key establishment for peer to peer communications |
| US11818249B2 (en) * | 2017-12-04 | 2023-11-14 | Koninklijke Philips N.V. | Nodes and methods of operating the same |
| US11251959B2 (en) * | 2018-07-09 | 2022-02-15 | Ares Technologies, Inc. | Method of manufacturing a secure computing hardware apparatus |
| CN109241016B (en) * | 2018-08-14 | 2020-07-07 | 阿里巴巴集团控股有限公司 | Multi-party security calculation method and device and electronic equipment |
| CN109359470B (en) * | 2018-08-14 | 2020-09-01 | 阿里巴巴集团控股有限公司 | Multi-party security calculation method and device and electronic equipment |
| CN109255247B (en) * | 2018-08-14 | 2020-08-14 | 阿里巴巴集团控股有限公司 | Multi-party security calculation method and device and electronic equipment |
-
2018
- 2018-09-24 SG SG11202102202RA patent/SG11202102202RA/en unknown
- 2018-09-24 US US17/276,620 patent/US11664982B2/en active Active
- 2018-09-24 CN CN201880097930.XA patent/CN112740615B/en active Active
- 2018-09-24 EP EP18935825.2A patent/EP3857812A4/en active Pending
- 2018-09-24 WO PCT/US2018/052448 patent/WO2020068038A1/en not_active Ceased
-
2023
- 2023-03-29 US US18/192,287 patent/US20230254129A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP3857812A4 (en) | 2021-09-15 |
| CN112740615B (en) | 2024-05-24 |
| US11664982B2 (en) | 2023-05-30 |
| US20230254129A1 (en) | 2023-08-10 |
| US20210273784A1 (en) | 2021-09-02 |
| EP3857812A1 (en) | 2021-08-04 |
| WO2020068038A1 (en) | 2020-04-02 |
| CN112740615A (en) | 2021-04-30 |
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