EP3132560A4 - Procédé de génération distribuée sécurisée et flexible de signatures numériques à sécurité proactive basées sur un algorithme de signature numérique à courbe elliptique (ecdsa) - Google Patents

Procédé de génération distribuée sécurisée et flexible de signatures numériques à sécurité proactive basées sur un algorithme de signature numérique à courbe elliptique (ecdsa) Download PDF

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Publication number
EP3132560A4
EP3132560A4 EP15780610.0A EP15780610A EP3132560A4 EP 3132560 A4 EP3132560 A4 EP 3132560A4 EP 15780610 A EP15780610 A EP 15780610A EP 3132560 A4 EP3132560 A4 EP 3132560A4
Authority
EP
European Patent Office
Prior art keywords
ecdsa
secure
elliptic curve
signature algorithm
distributed generation
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP15780610.0A
Other languages
German (de)
English (en)
Other versions
EP3132560A1 (fr
Inventor
Karim El Defrawy
Joshua D. LAMPKINS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HRL Laboratories LLC
Original Assignee
HRL Laboratories LLC
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 HRL Laboratories LLC filed Critical HRL Laboratories LLC
Publication of EP3132560A1 publication Critical patent/EP3132560A1/fr
Publication of EP3132560A4 publication Critical patent/EP3132560A4/fr
Pending legal-status Critical Current

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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
    • H04L9/32—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
    • H04L9/3247—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 involving digital signatures
    • H04L9/3252—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 involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr 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
    • H04L9/0816—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
    • H04L9/32—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
    • H04L9/3247—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 involving digital signatures
    • H04L9/3255—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 involving digital signatures using group based signatures, e.g. ring or threshold signatures
EP15780610.0A 2014-04-17 2015-04-14 Procédé de génération distribuée sécurisée et flexible de signatures numériques à sécurité proactive basées sur un algorithme de signature numérique à courbe elliptique (ecdsa) Pending EP3132560A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461981191P 2014-04-17 2014-04-17
PCT/US2015/025804 WO2015160839A1 (fr) 2014-04-17 2015-04-14 Procédé de génération distribuée sécurisée et flexible de signatures numériques à sécurité proactive basées sur un algorithme de signature numérique à courbe elliptique (ecdsa)

Publications (2)

Publication Number Publication Date
EP3132560A1 EP3132560A1 (fr) 2017-02-22
EP3132560A4 true EP3132560A4 (fr) 2017-12-20

Family

ID=54324506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15780610.0A Pending EP3132560A4 (fr) 2014-04-17 2015-04-14 Procédé de génération distribuée sécurisée et flexible de signatures numériques à sécurité proactive basées sur un algorithme de signature numérique à courbe elliptique (ecdsa)

Country Status (3)

Country Link
EP (1) EP3132560A4 (fr)
CN (1) CN106664205B (fr)
WO (1) WO2015160839A1 (fr)

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Publication number Priority date Publication date Assignee Title
US9787472B1 (en) 2013-03-13 2017-10-10 Hrl Laboratories, Llc Information secure protocol for mobile proactive secret sharing with near-optimal resilience
WO2017075609A1 (fr) * 2015-10-29 2017-05-04 Hrl Laboratories, Llc Protocole sécurisé d'information pour partage de secret proactif mobile à résilience presque optimale
GB201707168D0 (en) * 2017-05-05 2017-06-21 Nchain Holdings Ltd Computer-implemented system and method
EP4325770A3 (fr) * 2017-08-15 2024-04-24 nChain Licensing AG Ecdsa seuil permettant de sécuriser un portefeuille bitcoin
CN110999206A (zh) * 2017-08-15 2020-04-10 区块链控股有限公司 阈值数字签名方法及系统
GB201720753D0 (en) * 2017-12-13 2018-01-24 Nchain Holdings Ltd Computer-implemented system and method
KR20200099149A (ko) * 2017-12-15 2020-08-21 엔체인 홀딩스 리미티드 낮은 엔트로피 패스워드로 블록체인 트랜잭션을 승인하기 위한 컴퓨터 구현 시스템 및 방법
EP3741081B1 (fr) * 2018-01-16 2021-10-13 Nchain Holdings Limited Procédé et système implémentés sur ordinateur de sorte à obtenir des données signées numériquement
GB201817506D0 (en) 2018-03-02 2018-12-12 Nchain Holdings Ltd Computer implemented method and system
FR3085815B1 (fr) 2018-07-11 2022-07-15 Ledger Gouvernance de securite du traitement d'une requete numerique
US10887092B2 (en) * 2018-08-09 2021-01-05 Hrl Laboratories, Llc Anonymous allocation and majority voting in a compromised environment
EP3654578B1 (fr) 2018-11-16 2022-04-06 SafeTech BV Procédés et systèmes de gestion de clés cryptographiques privées pour sécuriser le stockage et le transfert d'informations entre plusieurs parties
CN109728910A (zh) * 2018-12-27 2019-05-07 北京永恒纪元科技有限公司 一种高效的门限分布式椭圆曲线密钥生成及签名方法和系统
CN111435911B (zh) * 2019-01-14 2023-02-17 海南自贸区图灵区块链科技有限公司 一种在线多方安全数据处理方法及装置
TWI689194B (zh) * 2019-01-22 2020-03-21 開曼群島商現代財富控股有限公司 基於無分派者秘密共享的門檻式簽章系統及其方法
SG11202108123RA (en) 2019-03-05 2021-08-30 Sepior Aps A method for providing a digital signature to a message
CN110278078B (zh) * 2019-06-17 2022-03-22 矩阵元技术（深圳）有限公司 一种数据处理方法、装置及系统
CN110674511A (zh) * 2019-08-30 2020-01-10 深圳壹账通智能科技有限公司 基于椭圆曲线加密算法的离线数据保护方法及系统
GB2603495A (en) * 2021-02-05 2022-08-10 Nchain Holdings Ltd Generating shared keys
CN113434886B (zh) * 2021-07-01 2022-05-17 支付宝(杭州)信息技术有限公司 联合生成用于安全计算的数据元组的方法及装置

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US7209555B2 (en) * 2001-10-25 2007-04-24 Matsushita Electric Industrial Co., Ltd. Elliptic curve converting device, elliptic curve converting method, elliptic curve utilization device and elliptic curve generating device
US8139770B2 (en) * 2003-12-23 2012-03-20 Wells Fargo Bank, N.A. Cryptographic key backup and escrow system
EP2163067B1 (fr) * 2008-02-22 2013-12-25 Security First Corp. Systèmes et procédés pour une gestion et une communication de groupe de travail sécurisées
CN101710859B (zh) * 2009-11-17 2014-02-12 深圳国微技术有限公司 一种认证密钥协商方法
EP2363976A1 (fr) * 2010-02-25 2011-09-07 Certicom Corp. Schémas améliorés de signature numérique et de partage de clé
US8874991B2 (en) * 2011-04-01 2014-10-28 Cleversafe, Inc. Appending data to existing data stored in a dispersed storage network
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
US8745415B2 (en) * 2012-09-26 2014-06-03 Pure Storage, Inc. Multi-drive cooperation to generate an encryption key

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHARIKLEIA ZOURIDAKI ET AL: "Distributed CA-based PKI for Mobile Ad Hoc Networks Using Elliptic Curve Cryptography", 24 June 2004, PUBLIC KEY INFRASTRUCTURE; [LECTURE NOTES IN COMPUTER SCIENCE;;LNCS], SPRINGER-VERLAG, BERLIN/HEIDELBERG, PAGE(S) 232 - 245, ISBN: 978-3-540-22216-3, XP019007629 *
IBRAHIM M H ET AL: "A robust threshold elliptic curve digital signature providing a new verifiable secret sharing scheme", MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS. CAIRO, EGYPT, DEC. 27 - 30, 2003; [MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS], PISCATAWAY, NJ, IEEE, US, vol. 1, 27 December 2003 (2003-12-27), pages 276 - 280, XP010867444, ISBN: 978-0-7803-8294-7, DOI: 10.1109/MWSCAS.2003.1562272 *
See also references of WO2015160839A1 *

Also Published As

Publication number Publication date
EP3132560A1 (fr) 2017-02-22
CN106664205B (zh) 2020-06-05
WO2015160839A1 (fr) 2015-10-22
CN106664205A (zh) 2017-05-10

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