TW200737890A - Certify and split system and method for replacing cryptographic keys - Google Patents

Certify and split system and method for replacing cryptographic keys

Info

Publication number
TW200737890A
TW200737890A TW095146495A TW95146495A TW200737890A TW 200737890 A TW200737890 A TW 200737890A TW 095146495 A TW095146495 A TW 095146495A TW 95146495 A TW95146495 A TW 95146495A TW 200737890 A TW200737890 A TW 200737890A
Authority
TW
Taiwan
Prior art keywords
key pair
key
cryptographic keys
certify
pair
Prior art date
Application number
TW095146495A
Other languages
English (en)
Inventor
Alexander Gantman
Gregory Gordon Rose
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200737890A publication Critical patent/TW200737890A/zh

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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/32Cryptographic 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/34User authentication involving the use of external additional devices, e.g. dongles or smart cards
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/602Providing cryptographic facilities or services
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/77Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in smart cards
    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/085Secret sharing or secret splitting, e.g. threshold schemes
    • 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
    • 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
    • H04L9/32Cryptographic 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
    • H04L9/3263Cryptographic 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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H04L9/3268Cryptographic 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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
TW095146495A 2005-12-12 2006-12-12 Certify and split system and method for replacing cryptographic keys TW200737890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74971805P 2005-12-12 2005-12-12

Publications (1)

Publication Number Publication Date
TW200737890A true TW200737890A (en) 2007-10-01

Family

ID=38475313

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095146495A TW200737890A (en) 2005-12-12 2006-12-12 Certify and split system and method for replacing cryptographic keys

Country Status (7)

Country Link
US (1) US8989390B2 (zh)
EP (2) EP1969762B1 (zh)
JP (1) JP5001299B2 (zh)
KR (1) KR101019006B1 (zh)
CN (1) CN101322349B (zh)
TW (1) TW200737890A (zh)
WO (1) WO2007102907A2 (zh)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070277038A1 (en) * 2006-05-25 2007-11-29 General Dynamics C4 Systems, Inc. Method for authentication of software within a product
WO2008001327A2 (en) * 2006-06-30 2008-01-03 Koninklijke Philips Electronics N.V. Method and apparatus for encrypting/decrypting data
US7860246B2 (en) * 2006-11-01 2010-12-28 International Business Machines Corporation System and method for protecting data in a secure system
US9246687B2 (en) * 2007-02-28 2016-01-26 Broadcom Corporation Method for authorizing and authenticating data
DE102007015788B3 (de) * 2007-03-30 2008-10-23 Fm Marketing Gmbh Multimedia-Einrichtung und Verfahren zur Datenübertragung bei einer Multimedia-Einrichtung
CN101400059B (zh) 2007-09-28 2010-12-08 华为技术有限公司 一种active状态下的密钥更新方法和设备
CN101282211B (zh) * 2008-05-09 2011-07-06 西安西电捷通无线网络通信股份有限公司 一种密钥分配方法
EP2283449A1 (en) * 2008-06-06 2011-02-16 Altech Uec (Pty) Limited Electronic rental service system and method for digital content
US8565436B2 (en) * 2008-12-15 2013-10-22 Ebay Inc. Secure self managed data (SSMD)
JP5255499B2 (ja) * 2009-03-30 2013-08-07 株式会社エヌ・ティ・ティ・ドコモ 鍵情報管理方法、コンテンツ送信方法、鍵情報管理装置、ライセンス管理装置、コンテンツ送信システム、及び端末装置
CN101887503B (zh) * 2010-06-24 2012-06-27 北京农业信息技术研究中心 种子流通监管系统及其认证方法
US9081715B2 (en) * 2011-02-01 2015-07-14 Cleversafe, Inc. Utilizing a dispersed storage network access token module to retrieve data from a dispersed storage network memory
US8627091B2 (en) * 2011-04-01 2014-01-07 Cleversafe, Inc. Generating a secure signature utilizing a plurality of key shares
US10298684B2 (en) 2011-04-01 2019-05-21 International Business Machines Corporation Adaptive replication of dispersed data to improve data access performance
US11418580B2 (en) 2011-04-01 2022-08-16 Pure Storage, Inc. Selective generation of secure signatures in a distributed storage network
JP2012227900A (ja) * 2011-04-22 2012-11-15 Toshiba Corp 認証コンポーネント、被認証コンポーネントおよびその認証方法
JP2012227901A (ja) * 2011-04-22 2012-11-15 Toshiba Corp 認証コンポーネント、被認証コンポーネントおよびその認証方法
JP2012227899A (ja) * 2011-04-22 2012-11-15 Toshiba Corp 認証コンポーネント、被認証コンポーネントおよびその認証方法
US8713314B2 (en) * 2011-08-30 2014-04-29 Comcast Cable Communications, Llc Reoccuring keying system
US8908868B1 (en) 2012-05-17 2014-12-09 Amazon Technologies, Inc. Key rotation with external workflows
US8964990B1 (en) * 2012-05-17 2015-02-24 Amazon Technologies, Inc. Automating key rotation in a distributed system
CN102750478B (zh) * 2012-06-12 2016-03-30 福建睿矽微电子科技有限公司 一种具备安全授权转移及锁定技术的安全芯片
US9582671B2 (en) * 2014-03-06 2017-02-28 Sensity Systems Inc. Security and data privacy for lighting sensory networks
US9374870B2 (en) 2012-09-12 2016-06-21 Sensity Systems Inc. Networked lighting infrastructure for sensing applications
US9430655B1 (en) * 2012-12-28 2016-08-30 Emc Corporation Split tokenization
US8995658B2 (en) * 2013-02-13 2015-03-31 Honeywell International Inc. Physics-based key generation
US9411982B1 (en) * 2013-08-07 2016-08-09 Amazon Technologies, Inc. Enabling transfer of digital assets
US9647999B2 (en) 2014-02-07 2017-05-09 Bank Of America Corporation Authentication level of function bucket based on circumstances
US9317674B2 (en) 2014-02-07 2016-04-19 Bank Of America Corporation User authentication based on fob/indicia scan
US9208301B2 (en) 2014-02-07 2015-12-08 Bank Of America Corporation Determining user authentication requirements based on the current location of the user in comparison to the users's normal boundary of location
US9965606B2 (en) 2014-02-07 2018-05-08 Bank Of America Corporation Determining user authentication based on user/device interaction
US9286450B2 (en) 2014-02-07 2016-03-15 Bank Of America Corporation Self-selected user access based on specific authentication types
US9223951B2 (en) 2014-02-07 2015-12-29 Bank Of America Corporation User authentication based on other applications
US9600817B2 (en) 2014-03-04 2017-03-21 Bank Of America Corporation Foreign exchange token
US9721248B2 (en) 2014-03-04 2017-08-01 Bank Of America Corporation ATM token cash withdrawal
US20150254664A1 (en) * 2014-03-04 2015-09-10 Bank Of America Corporation Token collaboration network
US9830597B2 (en) 2014-03-04 2017-11-28 Bank Of America Corporation Formation and funding of a shared token
US9600844B2 (en) 2014-03-04 2017-03-21 Bank Of America Corporation Foreign cross-issued token
US9424572B2 (en) 2014-03-04 2016-08-23 Bank Of America Corporation Online banking digital wallet management
WO2015142765A1 (en) 2014-03-17 2015-09-24 Coinbase, Inc Bitcoin host computer system
US20150288680A1 (en) * 2014-04-02 2015-10-08 Cleversafe, Inc. Distributing registry information in a dispersed storage network
US20190087599A1 (en) 2014-04-02 2019-03-21 International Business Machines Corporation Compressing a slice name listing in a dispersed storage network
CN103905207B (zh) * 2014-04-23 2017-02-01 福建联迪商用设备有限公司 一种统一apk签名的方法及其系统
WO2015188151A1 (en) * 2014-06-06 2015-12-10 Bittorrent, Inc. Securely sharing information via a public key- value data store
US9830479B2 (en) 2014-09-16 2017-11-28 Nxp Usa, Inc. Key storage and revocation in a secure memory system
KR102457809B1 (ko) * 2014-09-24 2022-10-24 삼성전자주식회사 데이터 통신 보안을 위한 방법, 장치 및 시스템
US9489542B2 (en) * 2014-11-12 2016-11-08 Seagate Technology Llc Split-key arrangement in a multi-device storage enclosure
JP6254964B2 (ja) * 2015-02-02 2017-12-27 日本電信電話株式会社 認証システム、予備鍵管理装置、予備鍵管理方法および予備鍵管理プログラム
KR101612674B1 (ko) 2015-03-19 2016-04-26 주식회사 와이즈오토모티브 익명 인증서 관리 방법 및 서버
US9735958B2 (en) 2015-05-19 2017-08-15 Coinbase, Inc. Key ceremony of a security system forming part of a host computer for cryptographic transactions
US9729536B2 (en) 2015-10-30 2017-08-08 Bank Of America Corporation Tiered identification federated authentication network system
US9794072B2 (en) * 2015-11-05 2017-10-17 Redline Communications Inc. Certificate exchange mechanism for wireless networking
BR112018016822A2 (pt) 2016-02-23 2018-12-26 Nchain Holdings Ltd método implementado por computador para realizar uma troca de entidades entre um primeiro usuário e um segundo usuário, processador e meio legível por computador
BR112018016819A2 (pt) 2016-02-23 2018-12-26 Nchain Holdings Ltd método e sistemas para proteger um recurso digital controlado utilizando uma tabela de dispersão e livro-razão distribuídos e um blockchain
MX2018010050A (es) 2016-02-23 2019-01-21 Nchain Holdings Ltd Transacciones turing completas basadas en agente que integran retroalimentacion dentro de un sistema de cadena de bloques.
WO2017145047A1 (en) 2016-02-23 2017-08-31 nChain Holdings Limited Blockchain-implemented method for control and distribution of digital content
EP3257006B1 (en) 2016-02-23 2018-10-03 Nchain Holdings Limited Personal device security using elliptic curve cryptography for secret sharing
US11606219B2 (en) 2016-02-23 2023-03-14 Nchain Licensing Ag System and method for controlling asset-related actions via a block chain
JP6995762B2 (ja) 2016-02-23 2022-01-17 エヌチェーン ホールディングス リミテッド ブロックチェーンからのデータのセキュアな抽出のための暗号方法及びシステム
KR20180115293A (ko) 2016-02-23 2018-10-22 엔체인 홀딩스 리미티드 블록체인상의 개체의 안전한 전송을 위한 방법 및 시스템
SG11201805542TA (en) * 2016-02-23 2018-09-27 Nchain Holdings Ltd Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system
JP6515246B2 (ja) 2016-02-23 2019-05-15 エヌチェーン ホールディングス リミテッドNchain Holdings Limited 情報及び階層的で決定性の暗号化鍵のセキュアな交換のための共通秘密の決定
KR20180114198A (ko) 2016-02-23 2018-10-17 엔체인 홀딩스 리미티드 블록체인 기반의 암호화폐를 위한 범용 토큰화 시스템
US9985964B2 (en) * 2016-03-28 2018-05-29 Black Gold Coin, Inc. Systems and methods for providing block chain-based multifactor personal identity verification
US10460367B2 (en) 2016-04-29 2019-10-29 Bank Of America Corporation System for user authentication based on linking a randomly generated number to the user and a physical item
US9785369B1 (en) 2016-05-23 2017-10-10 Accenture Global Solutions Limited Multiple-link blockchain
JP6953680B2 (ja) * 2016-06-03 2021-10-27 日本電気株式会社 鍵管理装置、通信システム、端末装置、鍵管理方法、通信方法、処理方法、プログラム
US10268635B2 (en) 2016-06-17 2019-04-23 Bank Of America Corporation System for data rotation through tokenization
US10367792B2 (en) * 2016-08-25 2019-07-30 Orion Labs End-to end encryption for personal communication nodes
US10084762B2 (en) 2016-09-01 2018-09-25 Ca, Inc. Publicly readable blockchain registry of personally identifiable information breaches
WO2018047399A1 (en) * 2016-09-08 2018-03-15 Nec Corporation Network function virtualization system and verifying method
TWI662825B (zh) * 2016-12-12 2019-06-11 中華電信股份有限公司 硬體密碼模組之授權式金鑰備援與回復方法
SG11201908666VA (en) * 2017-03-21 2019-10-30 Tora Holdings Inc Secure order matching by distributing data and processing across multiple segregated computation nodes
EP3379767B1 (en) * 2017-03-24 2021-01-13 Hewlett-Packard Development Company, L.P. Distributed authentication
US10313480B2 (en) 2017-06-22 2019-06-04 Bank Of America Corporation Data transmission between networked resources
US10511692B2 (en) 2017-06-22 2019-12-17 Bank Of America Corporation Data transmission to a networked resource based on contextual information
US10524165B2 (en) 2017-06-22 2019-12-31 Bank Of America Corporation Dynamic utilization of alternative resources based on token association
US10819696B2 (en) 2017-07-13 2020-10-27 Microsoft Technology Licensing, Llc Key attestation statement generation providing device anonymity
CN107508681A (zh) * 2017-08-15 2017-12-22 中国联合网络通信集团有限公司 区块链密钥保护方法及装置
CN113765657B (zh) 2017-08-28 2023-10-24 创新先进技术有限公司 一种密钥数据处理方法、装置及服务器
US10296248B2 (en) 2017-09-01 2019-05-21 Accenture Global Solutions Limited Turn-control rewritable blockchain
LU100497B1 (fr) * 2017-10-27 2019-05-08 Kayan Yves Laurent Méthode et système d'inscription sécurisé de clés cryptographiques sur un support physique pour clés cryptographiques, et support physique produit
CN111357240B (zh) * 2017-11-16 2023-11-03 埃森哲环球解决方案有限公司 密码系统、用于密码系统的方法和介质
US10623181B2 (en) 2018-01-02 2020-04-14 Bank Of America Corporation Security system utilizing vaultless tokenization and encryption
WO2019143852A1 (en) 2018-01-17 2019-07-25 Medici Ventrues, Inc. Multi-approval system using m of n keys to perform an action at a customer device
US11146392B2 (en) * 2018-03-15 2021-10-12 Tzero Ip, Llc Splitting encrypted key and encryption key used to encrypt key into key components allowing assembly with subset of key components to decrypt encrypted key
JP6952661B2 (ja) * 2018-08-30 2021-10-20 株式会社東芝 情報処理装置、通信機器、情報処理システム、情報処理方法、および情報処理プログラム
CA3115107A1 (en) 2018-10-02 2020-04-09 Capital One Services, Llc Systems and methods for cryptographic authentication of contactless cards
AU2019355110A1 (en) 2018-10-02 2021-04-08 Capital One Services, Llc Systems and methods for cryptographic authentication of contactless cards
SG11202103517TA (en) 2018-10-12 2021-05-28 Tzero Ip Llc Doubly-encrypted secret parts allowing for assembly of a secret using a subset of the doubly-encrypted secret parts
WO2020073314A1 (zh) * 2018-10-12 2020-04-16 深圳市汇顶科技股份有限公司 密钥生成方法、获取方法、私钥更新方法、芯片和服务器
US11394543B2 (en) 2018-12-13 2022-07-19 Coinbase, Inc. System and method for secure sensitive data storage and recovery
US11621854B2 (en) * 2019-01-14 2023-04-04 Sap Se Anonymous and verifiable computer-implemented selection system
EP3921972A4 (en) * 2019-02-05 2022-11-02 Ethopass, LLC SECURITY SYSTEM AND RELATED PROCEDURES
TWI734087B (zh) * 2019-03-19 2021-07-21 開曼群島商現代財富控股有限公司 基於同態加密的簽章系統及其方法
US11151275B2 (en) * 2019-04-05 2021-10-19 International Business Machines Corporation Randomness detection in network data
US10903991B1 (en) * 2019-08-01 2021-01-26 Coinbase, Inc. Systems and methods for generating signatures
US11201746B2 (en) 2019-08-01 2021-12-14 Accenture Global Solutions Limited Blockchain access control system
WO2021076868A1 (en) * 2019-10-16 2021-04-22 Coinbase, Inc. Systems and methods for re-using cold storage keys
US11887072B2 (en) 2019-12-11 2024-01-30 Bitt Inc. Digital currency minting in a system of network nodes implementing a distributed ledger
DE102019135121A1 (de) * 2019-12-19 2021-06-24 Infineon Technologies Ag Verfahren und vorrichtung zum bereitstellen einer zusätzlichen autorisierung für die verarbeitung eines kryptographisch gesicherten datensatzes für eine teilmenge einer gruppe vertrauenswürdiger module
US10915888B1 (en) 2020-04-30 2021-02-09 Capital One Services, Llc Contactless card with multiple rotating security keys
US11777720B2 (en) * 2020-06-12 2023-10-03 Nagravision Sàrl Distributed anonymized compliant encryption management system
CN114079877B (zh) * 2020-08-13 2023-05-09 如般量子科技有限公司 基于分层结构对称密钥池的群组通信方法及系统
US11727127B2 (en) * 2020-10-16 2023-08-15 Micron Technology, Inc. Secure storage device verification with multiple computing devices
CN112861189B (zh) * 2021-02-04 2024-02-06 北京百度网讯科技有限公司 签名的生成方法和验证方法、装置、设备和介质
EP4348924A1 (en) * 2021-05-25 2024-04-10 Visa International Service Association Multi-party computation for many computers
US20230066582A1 (en) * 2021-08-27 2023-03-02 Paypal, Inc. Threshold multi-party computation with must-have member
US20230127278A1 (en) * 2021-10-22 2023-04-27 Micron Technology, Inc. Multi-factor authentication for a memory system based on internal asymmetric keys
US20230188336A1 (en) * 2021-12-10 2023-06-15 Advanced Micro Devices, Inc. Automatic Key Rolling for Link Encryption

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1680395A (en) * 1994-01-13 1995-08-01 Bankers Trust Company Cryptographic system and method with key escrow feature
ATE189570T1 (de) 1994-02-24 2000-02-15 Merdan Group Inc Verfahren und einrichtung zum aufbau einer kryptographischen verbindung zwischen elementen eines systems
US5680458A (en) 1995-11-14 1997-10-21 Microsoft Corporation Root key compromise recovery
JP3656688B2 (ja) * 1997-03-31 2005-06-08 栄司 岡本 暗号データ回復方法及び鍵登録システム
US6279111B1 (en) * 1998-06-12 2001-08-21 Microsoft Corporation Security model using restricted tokens
US7047404B1 (en) * 2000-05-16 2006-05-16 Surety Llc Method and apparatus for self-authenticating digital records
JP3659178B2 (ja) 2001-02-22 2005-06-15 日本電信電話株式会社 分散ディジタル署名作成方法及び装置及び分散ディジタル署名付ディジタル文書作成方法及び装置及び分散ディジタル署名作成プログラム及び分散ディジタル署名作成プログラムを格納した記憶媒体
JP4969745B2 (ja) 2001-09-17 2012-07-04 株式会社東芝 公開鍵基盤システム
CN1207867C (zh) * 2001-09-28 2005-06-22 中国科学院研究生院 一种安全的数字签名系统及其数字签名方法
US20040006701A1 (en) * 2002-04-13 2004-01-08 Advanced Decisions Inc. Method and apparatus for authentication of recorded audio
JP2003348065A (ja) 2002-05-23 2003-12-05 Japan Datacom Co Ltd データ分散保管システム
KR101066063B1 (ko) * 2003-01-07 2011-09-20 퀄컴 인코포레이티드 암호화 키를 대체하기 위한 시스템, 장치 및 방법
JP2005045622A (ja) 2003-07-23 2005-02-17 Ntt Data Corp アクセス制御システム、端末装置、連立属性認証局サーバ、アクセス制御プログラム
CN1864365B (zh) * 2003-10-06 2012-07-18 国际商业机器公司 集装箱装运过程中与证明保密性有关的方面
US7421079B2 (en) * 2003-12-09 2008-09-02 Northrop Grumman Corporation Method and apparatus for secure key replacement
JP4541740B2 (ja) 2004-03-26 2010-09-08 セイコーインスツル株式会社 認証用鍵の更新システム、および認証用鍵の更新方法
US7734911B2 (en) * 2005-05-31 2010-06-08 Tricipher, Inc. Secure login using augmented single factor split key asymmetric cryptography

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WO2007102907A2 (en) 2007-09-13
WO2007102907A3 (en) 2008-05-08
JP5001299B2 (ja) 2012-08-15
US20070223706A1 (en) 2007-09-27
EP1969762A2 (en) 2008-09-17
CN101322349A (zh) 2008-12-10
CN101322349B (zh) 2016-06-01
JP2009519687A (ja) 2009-05-14
KR20080078714A (ko) 2008-08-27
US8989390B2 (en) 2015-03-24
EP1969762B1 (en) 2019-04-24
KR101019006B1 (ko) 2011-03-07

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