SG11202010756PA - Multiparty secure computing method, device, and electronic device - Google Patents

Multiparty secure computing method, device, and electronic device

Info

Publication number
SG11202010756PA
SG11202010756PA SG11202010756PA SG11202010756PA SG11202010756PA SG 11202010756P A SG11202010756P A SG 11202010756PA SG 11202010756P A SG11202010756P A SG 11202010756PA SG 11202010756P A SG11202010756P A SG 11202010756PA SG 11202010756P A SG11202010756P A SG 11202010756PA
Authority
SG
Singapore
Prior art keywords
computing method
secure computing
electronic device
multiparty secure
multiparty
Prior art date
Application number
SG11202010756PA
Inventor
Lichun Li
Shan Yin
Huazhong Wang
Wenzhen Lin
Original Assignee
Advanced New Technologies Co Ltd
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 Advanced New Technologies Co Ltd filed Critical Advanced New Technologies Co Ltd
Publication of SG11202010756PA publication Critical patent/SG11202010756PA/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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • 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
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/03—Indexing scheme relating to G06F21/50, monitoring users, programs or devices to maintain the integrity of platforms
    • G06F2221/033—Test or assess software
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2101—Auditing as a secondary aspect
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Storage Device Security (AREA)
SG11202010756PA 2018-08-14 2019-06-21 Multiparty secure computing method, device, and electronic device SG11202010756PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810925187.4A CN109241016B (en) 2018-08-14 2018-08-14 Multi-party security calculation method and device and electronic equipment
PCT/CN2019/092340 WO2020034755A1 (en) 2018-08-14 2019-06-21 Multiparty secure computing method, device, and electronic device

Publications (1)

Publication Number Publication Date
SG11202010756PA true SG11202010756PA (en) 2020-11-27

Family

ID=65069606

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202010756PA SG11202010756PA (en) 2018-08-14 2019-06-21 Multiparty secure computing method, device, and electronic device

Country Status (6)

Country Link
US (1) US11206132B2 (en)
EP (1) EP3779717B1 (en)
CN (1) CN109241016B (en)
SG (1) SG11202010756PA (en)
TW (1) TWI733125B (en)
WO (1) WO2020034755A1 (en)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN109981592B (en) * 2019-02-28 2021-07-16 矩阵元技术（深圳）有限公司 Method and electronic equipment for generating key by combining multiple clients and multiple servers
CN109886687B (en) * 2019-02-28 2023-12-05 矩阵元技术（深圳）有限公司 Result verification method and system for realizing secure multiparty calculation based on blockchain
CN110800252B (en) * 2019-03-18 2023-06-27 创新先进技术有限公司 Method and system for preventing false representation of input data in secure multiparty computing
CN111723384B (en) * 2019-03-22 2024-04-02 阿里巴巴集团控股有限公司 Data processing method, system and equipment
CN111753315B (en) * 2019-03-29 2023-10-13 华控清交信息科技(北京)有限公司 Input data computing method, computing engine and storage medium
WO2020211075A1 (en) * 2019-04-19 2020-10-22 云图有限公司 Decentralized secure multi-party data processing method and device, and storage medium
US11295014B2 (en) * 2019-05-08 2022-04-05 Baidu Usa Llc TPM-based secure multiparty computing system using a non-bypassable gateway
CN112000979B (en) * 2019-06-21 2023-07-04 华控清交信息科技(北京)有限公司 Database operation method, system and storage medium for private data
CN110266484B (en) * 2019-06-28 2021-07-06 深圳前海微众银行股份有限公司 Data encryption method, device, equipment and medium
CN110289945B (en) * 2019-06-28 2023-02-07 深圳前海微众银行股份有限公司 Data encryption method, device, equipment and medium
CN112307056B (en) * 2019-07-31 2024-02-06 华控清交信息科技(北京)有限公司 Data processing method and device for data processing
CN110472439B (en) * 2019-08-09 2023-08-22 创新先进技术有限公司 Model parameter determining method and device and electronic equipment
CN112565314B (en) * 2019-09-10 2023-01-13 华控清交信息科技(北京)有限公司 Computing cluster and computing nodes in computing cluster
CN114641772A (en) * 2019-09-23 2022-06-17 维萨国际服务协会 System, method and computer program product for secure key management
CN112583764B (en) * 2019-09-27 2022-12-20 华控清交信息科技(北京)有限公司 Data processing method and device and data processing device
CN112580064B (en) * 2019-09-27 2023-01-13 华控清交信息科技(北京)有限公司 Data processing method and device and data processing device
CN110992032A (en) * 2019-12-04 2020-04-10 支付宝(杭州)信息技术有限公司 Method and device for evaluating credible users by combining multiple parties
CN111027981B (en) * 2019-12-13 2021-04-27 支付宝(杭州)信息技术有限公司 Method and device for multi-party joint training of risk assessment model for IoT (Internet of things) machine
CN111062058B (en) * 2019-12-26 2022-04-15 深圳天玑数据有限公司 Block chain-based key pair processing method and device, terminal and readable storage medium
CN111222165B (en) * 2020-01-10 2022-09-23 北京百度网讯科技有限公司 Multi-party computing method, device, equipment and medium based on block chain
CN111368320B (en) * 2020-03-06 2022-05-13 同盾控股有限公司 Secure multiparty computing method and device based on homomorphic encryption
CN113452649B (en) * 2020-03-24 2023-09-12 阿里巴巴集团控股有限公司 Secure multiparty computing method, device, system and storage medium
CN113553602A (en) * 2020-04-26 2021-10-26 华为技术有限公司 Data processing method, device, system, equipment and medium
CN111611614B (en) * 2020-04-29 2023-09-08 南京财经大学 Cloud storage public auditing method and system for resisting malicious auditors based on blockchain
CN111597567B (en) * 2020-05-14 2022-03-04 腾讯科技（深圳）有限公司 Data processing method, data processing device, node equipment and storage medium
CN111753318B (en) * 2020-06-04 2024-04-26 上海蚂蚁创将信息技术有限公司 Multiparty security calculation method, device and system for private data
CN111832044B (en) * 2020-06-30 2023-01-03 中国船舶集团有限公司第七一六研究所 Safe collaborative computing processing method and system
CN111611623B (en) * 2020-07-03 2020-10-30 腾讯科技（深圳）有限公司 Private data processing method and device
CN111552716A (en) * 2020-07-10 2020-08-18 支付宝(杭州)信息技术有限公司 Privacy-protecting public substring determining method and device
CN111737011B (en) * 2020-07-31 2021-01-29 支付宝(杭州)信息技术有限公司 Method and device for realizing secure multi-party computation
CN112055021B (en) * 2020-09-08 2021-07-23 苏州同济区块链研究院有限公司 Imperial transmission method and device based on elliptic curve
CN112182644B (en) * 2020-09-11 2023-05-12 华控清交信息科技(北京)有限公司 Data processing method and device and electronic equipment
CN112463332A (en) * 2020-12-01 2021-03-09 华控清交信息科技(北京)有限公司 Data processing method, ciphertext computing system and device for data processing
CN112769786B (en) * 2020-12-29 2022-11-01 杭州趣链科技有限公司 Data transmission method and device based on oblivious transmission rule and computer equipment
CN112765649A (en) * 2020-12-31 2021-05-07 平安资产管理有限责任公司 Multi-party data analysis method, device, equipment and storage medium based on block chain
CN112347517B (en) * 2021-01-07 2021-03-26 南京区盟链信息科技有限公司 KYC compliance supervision system based on multi-party safety calculation
CN113055155A (en) * 2021-02-21 2021-06-29 上海帕科信息科技有限公司 Data security storage method based on big data platform
CN113098682B (en) * 2021-03-08 2022-07-12 河北航天信息技术有限公司 Multi-party security computing method and device based on block chain platform and electronic equipment
CN113193948B (en) * 2021-03-24 2022-03-15 西安电子科技大学 Multi-party united privacy data statistical analysis method and information data processing terminal
CN112926051B (en) * 2021-03-25 2022-05-06 支付宝(杭州)信息技术有限公司 Multi-party security computing method and device
CN113206832B (en) * 2021-03-31 2022-12-06 华控清交信息科技(北京)有限公司 Data processing method and device and data processing device
CN113807537B (en) * 2021-04-06 2023-12-05 京东科技控股股份有限公司 Data processing method and device for multi-source data, electronic equipment and storage medium
CN113541963B (en) * 2021-07-16 2024-05-24 北京数牍科技有限公司 TEE-based extensible secure multiparty computing method and system
CN113343283B (en) * 2021-07-30 2021-10-15 深圳前海微众银行股份有限公司 Data processing method
CN113660085B (en) * 2021-08-13 2023-06-06 北方工业大学 Quantum security multiparty calculation method based on quantum homomorphic encryption
CN113449325B (en) * 2021-08-30 2021-11-23 华控清交信息科技(北京)有限公司 Data processing method and device and data processing device
CN113489752B (en) * 2021-09-07 2021-11-19 华控清交信息科技(北京)有限公司 Bright and ciphertext hybrid computing method and device, electronic equipment and storage medium
CN113541946B (en) * 2021-09-08 2022-01-04 华控清交信息科技(北京)有限公司 Multi-party security calculation method and device and electronic equipment
CN113517977B (en) * 2021-09-09 2021-11-30 华控清交信息科技(北京)有限公司 Data processing method and device and data processing device
CN113992359A (en) * 2021-09-30 2022-01-28 上海数禾信息科技有限公司 Encryption control method and device for user information, computer equipment and storage medium
CN114091057B (en) * 2021-11-08 2022-04-26 深圳致星科技有限公司 Federal learning safety audit method and device based on model simulation
CN114124347A (en) * 2021-11-15 2022-03-01 浪潮云信息技术股份公司 Safe multi-party computing method and system based on block chain
CN114301715A (en) * 2022-01-29 2022-04-08 杭州趣链科技有限公司 Alliance link data security auditing method and device, computer equipment and storage medium
CN114301594B (en) * 2022-03-01 2022-05-17 华控清交信息科技(北京)有限公司 Inadvertent transmission method, multi-party secure computing platform and device for inadvertent transmission
CN114726611A (en) * 2022-04-01 2022-07-08 网银在线（北京）科技有限公司 Multiparty privacy set intersection method, system and device
CN114647662B (en) * 2022-05-13 2022-08-23 富算科技(上海)有限公司 Data retrieval method, data retrieval device, electronic equipment and storage medium
CN114679270B (en) * 2022-05-25 2022-09-06 南湖实验室 Data cross-domain encryption and decryption method based on privacy calculation
CN114692207B (en) * 2022-05-31 2022-09-20 蓝象智联(杭州)科技有限公司 Data processing method and device for privacy protection and storage medium
CN115134135A (en) * 2022-06-23 2022-09-30 广州物联网研究院 Data privacy calculation method, storage medium and computer equipment
CN115270162B (en) * 2022-09-26 2022-12-02 国网浙江省电力有限公司金华供电公司 Multi-party calculation-based auditing and auditing pricing heterogeneous data online integration method and system
CN115587897B (en) * 2022-11-25 2023-06-30 杭州煋辰数智科技有限公司 Police tax joint analysis method based on privacy calculation
CN116248255B (en) * 2023-05-12 2023-08-01 杭州大鱼网络科技有限公司 Privacy protection method and system based on network security
CN116611094A (en) * 2023-06-13 2023-08-18 上海零数众合信息科技有限公司 Charging network data acquisition method and system based on secure multiparty calculation
CN117235801B (en) * 2023-11-10 2024-02-09 北京天润基业科技发展股份有限公司 Statistical method of privacy data, electronic equipment and storage medium

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7086086B2 (en) 1999-02-27 2006-08-01 Alonzo Ellis System and method for maintaining N number of simultaneous cryptographic sessions using a distributed computing environment
US7131004B1 (en) * 2001-08-31 2006-10-31 Silicon Image, Inc. Method and apparatus for encrypting data transmitted over a serial link
US20060182283A1 (en) 2005-02-14 2006-08-17 Tricipher, Inc. Architecture for asymmetric crypto-key storage
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
GB201020424D0 (en) 2010-12-02 2011-01-19 Qinetiq Ltd Quantum key distribution
US9252942B2 (en) * 2012-04-17 2016-02-02 Futurewei Technologies, Inc. Method and system for secure multiparty cloud computation
JP5885840B2 (en) * 2012-07-05 2016-03-16 日本電信電話株式会社 Secret sharing system, data sharing device, distributed data conversion device, secret sharing method, and program
CN102984156B (en) * 2012-11-30 2016-01-20 无锡赛思汇智科技有限公司 A kind of distributed private data Comparison and ranking method of verifying and device
CN103248478A (en) * 2013-05-08 2013-08-14 天津大学 Multi-party security agreement based sealed electric auction scheme and verification method
CN103888262B (en) * 2014-03-31 2017-04-26 公安部第三研究所 Secret key changing and signature updating method for cloud data audit
CN104320262B (en) * 2014-11-05 2017-07-21 中国科学院合肥物质科学研究院 The method and system of client public key address binding, retrieval and the verification of account book technology are disclosed based on encryption digital cash
EP3262551A4 (en) * 2015-02-27 2018-10-31 Dyadic Security Ltd. Asystem and methods for protecting keys using garbled circuits
CN105245502A (en) * 2015-09-06 2016-01-13 江苏马上游科技股份有限公司 Cloud computing data security solving method
US10581812B2 (en) * 2015-12-01 2020-03-03 Duality Technologies, Inc. Device, system and method for fast and secure proxy re-encryption
US10805393B2 (en) 2015-12-02 2020-10-13 Olea Networks, Inc. System and method for data management structure using auditable delta records in a distributed environment
US9774578B1 (en) * 2016-05-23 2017-09-26 Accenture Global Solutions Limited Distributed key secret for rewritable blockchain
US11829998B2 (en) 2016-06-07 2023-11-28 Cornell University Authenticated data feed for blockchains
US10432400B2 (en) * 2016-10-25 2019-10-01 Southern Methodist University Method and system for privacy preserving disclosure of a shared, identity linked secret
US20180247191A1 (en) 2017-02-03 2018-08-30 Milestone Entertainment Llc Architectures, systems and methods for program defined entertainment state system, decentralized cryptocurrency system and system with segregated secure functions and public functions
CN106789041B (en) * 2017-02-15 2019-07-12 江苏信源久安信息科技有限公司 A kind of credible block chain method of decentralization certificate
CN106972931B (en) * 2017-02-22 2020-05-15 中国科学院数据与通信保护研究教育中心 Method for transparentizing certificate in PKI
US10521604B2 (en) 2017-03-17 2019-12-31 Labyrinth Research Llc Unified control of privacy-impacting devices
US11107048B2 (en) 2017-04-17 2021-08-31 International Business Machines Corporation Providing out-of-band verification for blockchain transactions
US10404471B1 (en) 2017-04-26 2019-09-03 Wells Fargo Bank, N.A. Secure ledger assurance tokenization
CN107104977B (en) * 2017-05-23 2020-07-31 北京天德科技有限公司 Block chain data secure transmission method based on SCTP
GB201709760D0 (en) * 2017-06-19 2017-08-02 Nchain Holdings Ltd Computer-Implemented system and method
WO2019025415A1 (en) * 2017-07-31 2019-02-07 Koninklijke Philips N.V. Distributing a computation output
CN107483198B (en) * 2017-09-25 2019-11-12 中国科学院信息工程研究所 A kind of block catenary system supervised and method
US10833861B2 (en) 2017-11-28 2020-11-10 International Business Machines Corporation Protection of confidentiality, privacy and ownership assurance in a blockchain based decentralized identity management system
WO2019109003A1 (en) 2017-11-30 2019-06-06 Visa International Service Association Blockchain system for confidential and anonymous smart contracts
CN108183791B (en) * 2017-12-11 2020-06-26 北京航空航天大学 Intelligent terminal data security processing method and system applied to cloud environment
US10778412B2 (en) 2017-12-28 2020-09-15 Intel Corporation Multi-domain convolutional neural network
CN108364223B (en) * 2017-12-29 2021-01-26 创新先进技术有限公司 Data auditing method and device
US10887085B2 (en) * 2018-01-15 2021-01-05 Unbound Tech Ltd. System and method for controlling usage of cryptographic keys
US10956075B2 (en) 2018-02-02 2021-03-23 Bank Of America Corporation Blockchain architecture for optimizing system performance and data storage
US11218324B2 (en) * 2018-04-05 2022-01-04 Ares Technologies, Inc. Systems and methods authenticating a digitally signed assertion using verified evaluators
KR102086228B1 (en) 2018-06-11 2020-03-06 고하준 A secure and efficient blockchain service based on a untrusted blockchain arbitration server
US10887081B2 (en) 2018-06-28 2021-01-05 International Business Machines Corporation Audit trail configuration in a blockchain
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
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
WO2019072262A2 (en) * 2018-11-07 2019-04-18 Alibaba Group Holding Limited Recovering encrypted transaction information in blockchain confidential transactions

Also Published As

Publication number Publication date
TWI733125B (en) 2021-07-11
CN109241016B (en) 2020-07-07
US11206132B2 (en) 2021-12-21
US20210051001A1 (en) 2021-02-18
EP3779717A1 (en) 2021-02-17
EP3779717B1 (en) 2022-08-03
WO2020034755A1 (en) 2020-02-20
CN109241016A (en) 2019-01-18
TW202009777A (en) 2020-03-01
EP3779717A4 (en) 2021-06-02

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