SG11202001984SA - Terminal device for performing homomorphic encryption, server device for processing cipher text thereof, and methods therefor - Google Patents

Terminal device for performing homomorphic encryption, server device for processing cipher text thereof, and methods therefor

Info

Publication number
SG11202001984SA
SG11202001984SA SG11202001984SA SG11202001984SA SG11202001984SA SG 11202001984S A SG11202001984S A SG 11202001984SA SG 11202001984S A SG11202001984S A SG 11202001984SA SG 11202001984S A SG11202001984S A SG 11202001984SA SG 11202001984S A SG11202001984S A SG 11202001984SA
Authority
SG
Singapore
Prior art keywords
cipher text
homomorphic encryption
methods therefor
terminal device
server device
Prior art date
Application number
SG11202001984SA
Other languages
English (en)
Inventor
Jung Hee Cheon
Duhyeong Kim
Yongsoo Song
Kyoohyung Han
Original Assignee
Crypto Lab Inc
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
Priority claimed from KR1020170173608A external-priority patent/KR101965628B1/ko
Priority claimed from KR1020180129749A external-priority patent/KR102040106B1/ko
Application filed by Crypto Lab Inc filed Critical Crypto Lab Inc
Publication of SG11202001984SA publication Critical patent/SG11202001984SA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/008Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/304Public 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3093Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving Lattices or polynomial equations, e.g. NTRU scheme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Telephonic Communication Services (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
SG11202001984SA 2017-12-15 2018-12-17 Terminal device for performing homomorphic encryption, server device for processing cipher text thereof, and methods therefor SG11202001984SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020170173608A KR101965628B1 (ko) 2017-12-15 2017-12-15 동형 암호화를 수행하는 단말 장치와 그 암호문을 처리하는 서버 장치 및 그 방법들
KR1020180129749A KR102040106B1 (ko) 2018-10-29 2018-10-29 실수 평문에 대한 동형 암호화 방법
PCT/KR2018/016060 WO2019117694A1 (ko) 2017-12-15 2018-12-17 동형 암호화를 수행하는 단말 장치와 그 암호문을 처리하는 서버 장치 및 그 방법들

Publications (1)

Publication Number Publication Date
SG11202001984SA true SG11202001984SA (en) 2020-04-29

Family

ID=66819634

Family Applications (2)

Application Number Title Priority Date Filing Date
SG11202001984SA SG11202001984SA (en) 2017-12-15 2018-12-17 Terminal device for performing homomorphic encryption, server device for processing cipher text thereof, and methods therefor
SG10202100111PA SG10202100111PA (en) 2017-12-15 2018-12-17 Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG10202100111PA SG10202100111PA (en) 2017-12-15 2018-12-17 Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof

Country Status (6)

Country Link
US (3) US10778409B2 (de)
EP (2) EP3793127B1 (de)
JP (2) JP7049374B2 (de)
CN (2) CN115134068A (de)
SG (2) SG11202001984SA (de)
WO (1) WO2019117694A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11764940B2 (en) 2019-01-10 2023-09-19 Duality Technologies, Inc. Secure search of secret data in a semi-trusted environment using homomorphic encryption
US11646877B2 (en) * 2019-05-14 2023-05-09 Samsung Sds Co., Ltd. Apparatus and method for generating secret key, apparatus and method for generating evaluation key
CN112580063B (zh) * 2019-09-27 2023-01-13 华控清交信息科技(北京)有限公司 一种数据处理方法、装置和用于数据处理的装置
WO2021075057A1 (en) * 2019-10-18 2021-04-22 Loch Energy, Ltd. Digital currency operation system and operation method using fully homological encryption scheme
US11489659B2 (en) * 2019-10-30 2022-11-01 Via Science, Inc. Multiple data source secure data processing
FR3105684B1 (fr) * 2019-12-20 2022-12-23 Idemia France Procede de traitement cryptographique, dispositif electronique et programme d'ordinateur associes
KR20210083974A (ko) * 2019-12-27 2021-07-07 삼성에스디에스 주식회사 근사 함수를 이용한 연산 장치 및 방법
US20220020018A1 (en) * 2020-02-28 2022-01-20 Polymath Inc. Cryptographic encryption protocol for data types and values
US11558171B2 (en) * 2020-04-20 2023-01-17 Samsung Sds Co., Ltd. Apparatus and method for encryption, apparatus and method for converting ciphertext
KR102444193B1 (ko) 2020-04-29 2022-09-19 국방과학연구소 Ring-LWR기반 양자내성 서명 방법 및 그 시스템
KR20210135075A (ko) 2020-05-04 2021-11-12 삼성전자주식회사 동형 암복호화 장치, 상기 장치를 포함하는 시스템, 및 동형 암복호화의 수행 방법
CN111949998B (zh) * 2020-05-11 2023-07-07 华控清交信息科技(北京)有限公司 对象检测及请求方法、数据处理系统、装置及存储介质
KR20220009643A (ko) 2020-07-16 2022-01-25 삼성전자주식회사 스토리지 컨트롤러, 이를 포함하는 클라이언트 및 서버, 및 이의 동작 방법
KR20220040309A (ko) 2020-09-23 2022-03-30 삼성전자주식회사 동형 암호화 장치 및 그 동작 방법
KR20220048225A (ko) 2020-10-12 2022-04-19 삼성전자주식회사 동형 연산 가속기 및 이를 포함하는 동형 연산 수행 장치
CN112906044B (zh) * 2021-05-10 2021-07-30 腾讯科技(深圳)有限公司 多方安全计算方法、装置、设备及存储介质
US20220385461A1 (en) * 2021-05-21 2022-12-01 Samsung Electronics Co., Ltd. Encryption key generating method, appratus, ciphertext operation method and apparatus using the generated encryption key
US20230036196A1 (en) * 2021-07-27 2023-02-02 International Business Machines Corporation Computer architecture for string searching
US11847938B2 (en) * 2021-08-03 2023-12-19 Nxp B.V. Combining regular and symbolic NTTs using co-processors
KR20230082126A (ko) * 2021-12-01 2023-06-08 삼성전자주식회사 암호화 장치 및 암호화 방법
KR20230161779A (ko) * 2022-05-19 2023-11-28 서울대학교산학협력단 동형자리바꿈 연산을 수행하는 방법 및 기기
CN115102689B (zh) * 2022-08-24 2022-11-15 北京信安世纪科技股份有限公司 两方协同的s盒生成方法、加密方法和存储介质

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2327911A1 (en) * 2000-12-08 2002-06-08 Cloakware Corporation Obscuring functions in computer software
ES2696513T3 (es) 2009-09-04 2019-01-16 Gradiant Centro Tecnoloxico De Telecomunicacions De Galicia Sistema criptográfico para realizar cálculos y procesamiento de señales seguros directamente en datos encriptados en entornos no confiables
US8515058B1 (en) * 2009-11-10 2013-08-20 The Board Of Trustees Of The Leland Stanford Junior University Bootstrappable homomorphic encryption method, computer program and apparatus
JP5448863B2 (ja) * 2010-01-15 2014-03-19 日本電信電話株式会社 鍵生成装置、鍵生成方法、プログラム及び記録媒体
US8625782B2 (en) * 2010-02-09 2014-01-07 Mitsubishi Electric Research Laboratories, Inc. Method for privacy-preserving computation of edit distance of symbol sequences
US8861716B2 (en) * 2010-03-30 2014-10-14 International Business Machines Corporation Efficient homomorphic encryption scheme for bilinear forms
US8903083B2 (en) * 2010-08-16 2014-12-02 International Business Machines Corporation Fast evaluation of many polynomials with small coefficients on the same point
US8891762B2 (en) * 2010-12-10 2014-11-18 Mitsubishi Electric Research Laboratories, Inc. Method for privacy-preserving order selection of encrypted element
US9083526B2 (en) * 2011-04-29 2015-07-14 International Business Machines Corporation Fully homomorphic encryption
US9281941B2 (en) * 2012-02-17 2016-03-08 International Business Machines Corporation Homomorphic evaluation including key switching, modulus switching, and dynamic noise management
US20150312028A1 (en) 2012-08-28 2015-10-29 Snu R&Db Foundation Homomorphic encryption and decryption methods using ring isomorphism, and apparatuses using the same
KR101449239B1 (ko) 2013-01-24 2014-10-15 서울대학교산학협력단 환 동형 사상을 이용한 동형 암호화 방법과 복호화 방법 및 이를 이용한 장치
WO2015078533A1 (en) * 2013-11-29 2015-06-04 Nec Europe Ltd. Method and system for encrypting data
US9524392B2 (en) * 2013-11-30 2016-12-20 Microsoft Technology Licensing, Llc Encrypting genomic data for storage and genomic computations
KR102019159B1 (ko) * 2013-12-23 2019-09-09 한국전자통신연구원 정수 기반 준동형 암호 기법에 일반적으로 적용 가능한 압축 암복호화 장치 및 방법
CN103744976B (zh) * 2014-01-13 2017-02-22 北京工业大学 一种基于同态加密的图像安全检索方法
KR102251697B1 (ko) 2014-04-23 2021-05-14 삼성전자주식회사 암호화 장치, 암호화 방법 및 컴퓨터 판독가능 기록매체
JP2016131335A (ja) * 2015-01-14 2016-07-21 富士通株式会社 情報処理方法、情報処理プログラムおよび情報処理装置
KR102423885B1 (ko) * 2015-05-08 2022-07-21 한국전자통신연구원 연산 에러 검출이 가능한 준동형 암호 방법 및 그 시스템
US20160352710A1 (en) * 2015-05-31 2016-12-01 Cisco Technology, Inc. Server-assisted secure exponentiation
US10153894B2 (en) * 2015-11-05 2018-12-11 Microsoft Technology Licensing, Llc Homomorphic encryption with optimized encoding
US10454668B2 (en) * 2015-11-09 2019-10-22 Certsign Sa Fully homomorphic encryption from monoid algebras
US10791123B2 (en) * 2015-11-25 2020-09-29 Yaron Gvili Selectivity in privacy and verification with applications
US10116437B1 (en) * 2015-12-14 2018-10-30 Ingram Micro, Inc. Method for protecting data used in cloud computing with homomorphic encryption
US9876636B2 (en) * 2016-01-07 2018-01-23 Empire Technology Development Llc Homomorphic public-key encryption scheme
KR101829267B1 (ko) 2016-04-27 2018-02-14 서울대학교산학협력단 암호문의 크기가 감소되는 동형 암호화 방법
US10333715B2 (en) * 2016-11-14 2019-06-25 International Business Machines Corporation Providing computation services with privacy
CN110537191A (zh) * 2017-03-22 2019-12-03 维萨国际服务协会 隐私保护机器学习
CA3034597C (en) * 2017-04-11 2021-10-12 The Governing Council Of The University Of Toronto A homomorphic processing unit (hpu) for accelerating secure computations under homomorphic encryption
CN107294958B (zh) * 2017-05-27 2020-05-22 宁波大学 基于全同态mac的消息完整性认证方法
CN107294698B (zh) * 2017-07-25 2019-11-26 西安电子科技大学 单密文同态计算的全同态加密方法

Also Published As

Publication number Publication date
US20200162235A1 (en) 2020-05-21
US11101976B2 (en) 2021-08-24
EP3553995B1 (de) 2021-06-23
EP3793127B1 (de) 2023-02-01
JP2022059027A (ja) 2022-04-12
US10778409B2 (en) 2020-09-15
EP3553995A4 (de) 2020-05-13
JP2020528232A (ja) 2020-09-17
WO2019117694A1 (ko) 2019-06-20
US20190363871A1 (en) 2019-11-28
CN115134068A (zh) 2022-09-30
CN110214433A (zh) 2019-09-06
US20200252199A1 (en) 2020-08-06
EP3793127A1 (de) 2021-03-17
EP3553995A1 (de) 2019-10-16
US11115183B2 (en) 2021-09-07
JP7370402B2 (ja) 2023-10-27
JP7049374B2 (ja) 2022-04-06
SG10202100111PA (en) 2021-02-25
CN110214433B (zh) 2023-04-18

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