SG11202102202RA - Key management for multi-party computation - Google Patents

Key management for multi-party computation

Info

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
Application number
SG11202102202RA
Inventor
Oleg Gryb
Sekhar Nagasundaram
Original Assignee
Visa Int Service Ass
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
Application filed by Visa Int Service Ass filed Critical Visa Int Service Ass
Publication of SG11202102202RA publication Critical patent/SG11202102202RA/en

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
SG11202102202RA 2018-09-24 2018-09-24 Key management for multi-party computation SG11202102202RA (en)

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) CN112740615A (en)
SG (1) SG11202102202RA (en)
WO (1) WO2020068038A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9768953B2 (en) * 2015-09-30 2017-09-19 Pure Storage, Inc. Resharing of a split secret
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
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 (12)

* Cited by examiner, † Cited by third party
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
EP3195521B1 (en) * 2014-08-29 2020-03-04 Visa International Service Association Methods for secure cryptogram generation
EP3262551A4 (en) * 2015-02-27 2018-10-31 Dyadic Security Ltd. Asystem and methods for protecting keys using garbled circuits
SG11201804478VA (en) * 2015-05-19 2018-06-28 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
WO2019066822A1 (en) * 2017-09-27 2019-04-04 Visa International Service Association Secure shared key establishment for peer to peer communications

Also Published As

Publication number Publication date
EP3857812A1 (en) 2021-08-04
US11664982B2 (en) 2023-05-30
US20230254129A1 (en) 2023-08-10
CN112740615A (en) 2021-04-30
EP3857812A4 (en) 2021-09-15
WO2020068038A1 (en) 2020-04-02
US20210273784A1 (en) 2021-09-02

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