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.)
Withdrawn
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
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Computer And Data Communications (AREA)
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) Withdrawn 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 Withdrawn 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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US9787472B1 (en) 2013-03-13 2017-10-10 Hrl Laboratories, Llc Information secure protocol for mobile proactive secret sharing with near-optimal resilience
EP3369207B1 (fr) * 2015-10-29 2023-04-12 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
JP2020525880A (ja) 2017-05-22 2020-08-27 エヌチェーン ホールディングス リミテッドＮｃｈａｉｎ Ｈｏｌｄｉｎｇｓ Ｌｉｍｉｔｅｄ パラメータ化可能なスマートコントラクト
WO2019034951A1 (fr) 2017-08-15 2019-02-21 nChain Holdings Limited Procédé et système de signature numérique de seuil
EP3669491B1 (fr) * 2017-08-15 2024-02-07 nChain Licensing AG Ecdsa à seuil pour sécuriser un portefeuil bitcoin
GB201720753D0 (en) 2017-12-13 2018-01-24 Nchain Holdings Ltd Computer-implemented system and method
WO2019116249A1 (fr) * 2017-12-15 2019-06-20 nChain Holdings Limited Systèmes et procédés implémentés par ordinateur permettant d'autoriser des transactions par chaîne de blocs au moyen de mots de passe à faible entropie
CN118944895A (zh) * 2018-01-16 2024-11-12 区块链控股有限公司 获取数字签名的数据的计算机实现方法和系统
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
WO2020177977A1 (fr) 2019-03-05 2020-09-10 Sepior Aps Procédé pour la fourniture d'une signature numérique à un 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
US10903991B1 (en) * 2019-08-01 2021-01-26 Coinbase, Inc. Systems and methods for generating signatures
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
GB2596072A (en) 2020-06-15 2021-12-22 Nchain Holdings Ltd Generating secret shares
GB2600684A (en) 2020-10-28 2022-05-11 Nchain Holdings Ltd Identifying denial-of-service attacks
GB2603495A (en) * 2021-02-05 2022-08-10 Nchain Holdings Ltd Generating shared keys
GB2606169A (en) 2021-04-27 2022-11-02 Nchain Licensing Ag Nested threshold signatures
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
GB2609908B (en) 2021-08-09 2023-10-18 Nchain Licensing Ag Generating Digital signatures
GB2612309A (en) 2021-10-26 2023-05-03 Nchain Licensing Ag Threshold signature scheme
CN120763956B (zh) * 2025-09-09 2025-11-07 深圳市申易通信息技术有限公司 一种企业数据安全访问管理方法及系统

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US8139770B2 (en) * 2003-12-23 2012-03-20 Wells Fargo Bank, N.A. Cryptographic key backup and escrow system
EP2651100A1 (fr) * 2008-02-22 2013-10-16 Security First Corporation Systèmes et procédés pour sécuriser la gestion et communication d'un groupe de travail
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
US8874990B2 (en) * 2011-04-01 2014-10-28 Cleversafe, Inc. Pre-fetching data segments 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)

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

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