DE602004020276D1 - Anfrage-antwort-system und -verfahren - Google Patents

Anfrage-antwort-system und -verfahren

Info

Publication number
DE602004020276D1
DE602004020276D1 DE602004020276T DE602004020276T DE602004020276D1 DE 602004020276 D1 DE602004020276 D1 DE 602004020276D1 DE 602004020276 T DE602004020276 T DE 602004020276T DE 602004020276 T DE602004020276 T DE 602004020276T DE 602004020276 D1 DE602004020276 D1 DE 602004020276D1
Authority
DE
Germany
Prior art keywords
password
authenticating
challenge
hash
user
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.)
Active
Application number
DE602004020276T
Other languages
English (en)
Inventor
Michael K Brown
Michael S Brown
Michael G Kirkup
Herbert A Little
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.)
BlackBerry Ltd
Original Assignee
Research in Motion 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 Research in Motion Ltd filed Critical Research in Motion Ltd
Publication of DE602004020276D1 publication Critical patent/DE602004020276D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L9/32—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
    • H04L9/3271—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 using challenge-response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • 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
    • H04L9/3226—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 using a predetermined code, e.g. password, passphrase or PIN
    • 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
    • H04L9/3236—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 using cryptographic hash functions
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
  • Communication Control (AREA)
  • Selective Calling Equipment (AREA)
DE602004020276T 2004-05-04 2004-11-26 Anfrage-antwort-system und -verfahren Active DE602004020276D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56811904P 2004-05-04 2004-05-04
PCT/CA2004/002041 WO2005107130A1 (en) 2004-05-04 2004-11-26 Challenge response system and method

Publications (1)

Publication Number Publication Date
DE602004020276D1 true DE602004020276D1 (de) 2009-05-07

Family

ID=35241998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004020276T Active DE602004020276D1 (de) 2004-05-04 2004-11-26 Anfrage-antwort-system und -verfahren

Country Status (7)

Country Link
US (3) US7603556B2 (de)
EP (1) EP1743447B1 (de)
CN (1) CN1816997B (de)
AT (1) ATE426965T1 (de)
CA (1) CA2530944C (de)
DE (1) DE602004020276D1 (de)
WO (1) WO2005107130A1 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1550066A4 (de) * 2002-10-10 2006-09-13 Intercomp Corp Sicheres elektronisches bezahlungsnachrichtenübermittlungssystem mit überbrückbarer finalität
WO2005062843A2 (en) 2003-12-19 2005-07-14 America On Line, Inc Community messaging lists for authorization to deliver electronic messages
US20050235364A1 (en) * 2004-04-15 2005-10-20 Wilson Christopher S Authentication mechanism permitting access to data stored in a data processing device
US20050235283A1 (en) * 2004-04-15 2005-10-20 Wilson Christopher S Automatic setup of parameters in networked devices
US20050235063A1 (en) * 2004-04-15 2005-10-20 Wilson Christopher S Automatic discovery of a networked device
US7681007B2 (en) * 2004-04-15 2010-03-16 Broadcom Corporation Automatic expansion of hard disk drive capacity in a storage device
US20050231849A1 (en) * 2004-04-15 2005-10-20 Viresh Rustagi Graphical user interface for hard disk drive management in a data storage system
ATE426965T1 (de) 2004-05-04 2009-04-15 Research In Motion Ltd Anfrage-antwort-system und -verfahren
CA2535371C (en) * 2004-05-05 2011-11-01 Research In Motion Limited System and method for sending secure messages
US20050259458A1 (en) * 2004-05-21 2005-11-24 Viresh Rustagi Method and system of encrypting/decrypting data stored in one or more storage devices
US8566616B1 (en) * 2004-09-10 2013-10-22 Altera Corporation Method and apparatus for protecting designs in SRAM-based programmable logic devices and the like
US7643818B2 (en) 2004-11-22 2010-01-05 Seven Networks, Inc. E-mail messaging to/from a mobile terminal
US7650383B2 (en) * 2005-03-15 2010-01-19 Aol Llc Electronic message system with federation of trusted senders
BRPI0607738A2 (pt) * 2005-03-30 2009-10-06 Welch Allyn Inc comunicação de informação entre vários elementos de rede
US7647381B2 (en) 2005-04-04 2010-01-12 Aol Llc Federated challenge credit system
WO2007019351A1 (en) * 2005-08-03 2007-02-15 Intercomputer Corporation System and method for user identification and authentication
EP2024921A4 (de) * 2005-10-06 2010-09-29 C Sam Inc Transaktionsdienste
IL174619A (en) * 2006-03-29 2013-12-31 Nds Ltd Password protection
US8171302B2 (en) * 2006-05-30 2012-05-01 Hewlett-Packard Development Company, L.P. Method and system for creating a pre-shared key
US20080022375A1 (en) * 2006-06-09 2008-01-24 Stanley David J Method and apparatus for using a cell phone to facilitate user authentication
WO2008010003A1 (en) * 2006-07-14 2008-01-24 Abb Research Ltd. Secure password-based authentication and key distribution protocol with robust availability properties
US8190916B1 (en) * 2006-07-27 2012-05-29 Hewlett-Packard Development Company, L.P. Methods and systems for modifying an integrity measurement based on user authentication
CA2665556A1 (en) 2006-10-04 2008-04-17 Welch Allyn, Inc. Dynamic medical object information base
US8607070B2 (en) * 2006-12-20 2013-12-10 Kingston Technology Corporation Secure storage system and method of use
US20080235176A1 (en) * 2007-03-22 2008-09-25 Microsoft Corporation Data comparator
US8744076B2 (en) * 2007-04-04 2014-06-03 Oracle International Corporation Method and apparatus for encrypting data to facilitate resource savings and tamper detection
US8402278B2 (en) * 2007-04-13 2013-03-19 Ca, Inc. Method and system for protecting data
US8527781B2 (en) * 2007-05-09 2013-09-03 Kingston Technology Corporation Secure and scalable solid state disk system
US8499168B2 (en) * 2007-05-09 2013-07-30 Kingston Technology Corporation Secure and scalable solid state disk system
US8010768B2 (en) * 2007-05-09 2011-08-30 Kingston Technology Corporation Secure and scalable solid state disk system
CN101075874B (zh) * 2007-06-28 2010-06-02 腾讯科技（深圳）有限公司 认证方法和认证系统
CN101730886B (zh) * 2008-02-21 2014-10-29 金士顿科技股份有限公司 安全性存储系统及其使用方法
GB0808752D0 (en) * 2008-05-14 2008-06-18 Burden Robert W W Identity verification
JP2009290329A (ja) * 2008-05-27 2009-12-10 Toshiba Corp Ｉｐ通信システム、サーバユニット、端末デバイスおよび認証方法
WO2010005681A1 (en) * 2008-06-16 2010-01-14 Visa U.S.A. Inc. System and method for authorizing financial transactions with online merchants
US9215331B2 (en) * 2008-10-02 2015-12-15 International Business Machines Corporation Dual layer authentication for electronic payment request in online transactions
US8161527B2 (en) * 2009-01-23 2012-04-17 Edward Curren Security Enhanced Data Platform
US7961674B2 (en) * 2009-01-27 2011-06-14 Sony Corporation Multi-tier wireless home mesh network with a secure network discovery protocol
US8904177B2 (en) * 2009-01-27 2014-12-02 Sony Corporation Authentication for a multi-tier wireless home mesh network
US8964634B2 (en) * 2009-02-06 2015-02-24 Sony Corporation Wireless home mesh network bridging adaptor
GB2467975B (en) * 2009-02-24 2014-09-10 Hewlett Packard Development Co Authentication method and apparatus using one time pads
US8250630B2 (en) * 2009-03-05 2012-08-21 Cisco Technology, Inc. Detecting unauthorized computer access
US7990897B2 (en) 2009-03-11 2011-08-02 Sony Corporation Method and apparatus for a wireless home mesh network with network topology visualizer
US8498618B2 (en) 2009-06-22 2013-07-30 Mourad Ben Ayed Systems for intelligent authentication based on proximity
US8190129B2 (en) 2009-06-22 2012-05-29 Mourad Ben Ayed Systems for three factor authentication
US8112066B2 (en) 2009-06-22 2012-02-07 Mourad Ben Ayed System for NFC authentication based on BLUETOOTH proximity
US8260262B2 (en) 2009-06-22 2012-09-04 Mourad Ben Ayed Systems for three factor authentication challenge
KR101749992B1 (ko) * 2009-11-13 2017-06-23 삼성전자주식회사 시간 범위를 이용한 위치정보 제공방법
WO2011090432A1 (en) * 2010-01-19 2011-07-28 T-Data Systems (S) Pte Ltd Portable memory device with authentication and authentication method and system
US8621005B2 (en) 2010-04-28 2013-12-31 Ttb Technologies, Llc Computer-based methods and systems for arranging meetings between users and methods and systems for verifying background information of users
EP2591437B1 (de) * 2010-07-09 2018-11-14 BlackBerry Limited Mikrocode-basiertes challenge/response-verfahren
US9032186B2 (en) 2010-07-09 2015-05-12 Blackberry Limited Utilization of a microcode interpreter built in to a processor
CA2759971A1 (en) * 2010-11-29 2012-05-29 Groupe Cgi Inc. Method for storing (hiding) a key in a table and corresponding method for retrieving the key from the table
CA2830283C (en) 2011-03-25 2016-11-01 Certicom Corp. Interrogating an authentication device
FR2973909B1 (fr) * 2011-04-08 2013-05-17 Agence Nationale Des Titres Securises Procede d'acces a une ressource protegee d'un dispositif personnel securise
US9679120B2 (en) * 2011-05-05 2017-06-13 Bally Gaming Inc. Encrypting multicast data in a wagering game network
US8667569B2 (en) 2011-09-29 2014-03-04 Target Brands, Inc. Credentials management
CN102387152A (zh) * 2011-11-03 2012-03-21 北京锐安科技有限公司 一种基于预设密钥的对称加密通信方法
US9172546B2 (en) * 2012-01-25 2015-10-27 Cisco Technology, Inc. Network mediated multi-device shared authentication
US9698975B2 (en) * 2012-02-15 2017-07-04 Blackberry Limited Key management on device for perimeters
US9280643B2 (en) * 2012-05-11 2016-03-08 Netgear, Inc. Establishing access to a secure network based on user-created credential indicia
US9369290B2 (en) * 2012-11-30 2016-06-14 Certicom Corp. Challenge-response authentication using a masked response value
US9727720B2 (en) 2012-11-30 2017-08-08 Certicom Corp. Challenge-response authentication using a masked response value
WO2014100640A1 (en) * 2012-12-21 2014-06-26 Advanced Biometric Controls, Llc Verification of password using a keyboard with a secure password entry mode
US9225516B1 (en) * 2013-10-03 2015-12-29 Whatsapp Inc. Combined authentication and encryption
US9703942B2 (en) * 2013-12-04 2017-07-11 Ebay Inc. Multi-factor authentication system and method
KR101451639B1 (ko) * 2014-02-18 2014-10-16 주식회사 시큐브 일회용 랜덤키를 이용한 본인 확인 및 도용 방지 시스템 및 방법
US11888844B2 (en) 2014-02-18 2024-01-30 Secuve Co., Ltd. Electrical circuit testing device and method
US9342673B2 (en) 2014-03-26 2016-05-17 Motorola Solutions, Inc. Method for user authentication in a device comprising a touch screen
US10033724B2 (en) * 2014-03-28 2018-07-24 Ben Damian DONOHUE System of composite passwords incorporating hints
US9619771B2 (en) * 2014-04-05 2017-04-11 Parsable, Inc. Systems and methods for digital workflow and communication
US20150339662A1 (en) * 2014-05-23 2015-11-26 LoopPay Inc. Systems and methods for linking devices to user accounts
US9774591B2 (en) * 2014-10-15 2017-09-26 Airbnb, Inc. Password manipulation for secure account creation and verification through third-party servers
US20160261412A1 (en) * 2015-03-04 2016-09-08 Avaya Inc. Two-Step Authentication And Activation of Quad Small Form Factor Pluggable (QFSP+) Transceivers
CN110417797B (zh) * 2015-04-02 2021-07-30 创新先进技术有限公司 认证用户的方法及装置
US10231122B2 (en) 2015-04-27 2019-03-12 International Business Machines Corporation Challenge-response authentication based on internet of things information
WO2017005961A1 (en) * 2015-07-09 2017-01-12 Nokia Technologies Oy Token based authentication
US9674158B2 (en) * 2015-07-28 2017-06-06 International Business Machines Corporation User authentication over networks
US10419444B2 (en) * 2015-08-24 2019-09-17 Cyberlink Corp. Systems and methods for protecting messages utilizing a hidden restriction mechanism
US9942223B2 (en) * 2015-11-25 2018-04-10 Microsoft Technology Licensing, Llc. Automated device discovery of pairing-eligible devices for authentication
DK3297834T3 (da) * 2016-06-17 2019-10-21 Hewlett Packard Development Co Autentificering af udskifteligt element
US10467402B2 (en) * 2016-08-23 2019-11-05 Lenovo (Singapore) Pte. Ltd. Systems and methods for authentication based on electrical characteristic information
US10084797B2 (en) * 2016-10-03 2018-09-25 Extreme Networks, Inc. Enhanced access security gateway
US10965474B1 (en) * 2017-02-27 2021-03-30 Apple Inc. Modifying security state with highly secured devices
EP3619636B1 (de) * 2017-05-03 2022-06-29 Visa International Service Association System und verfahren zur softwaremodulbindung
EP3454502B1 (de) 2017-09-07 2020-08-05 Nxp B.V. Sender-empfänger-system
KR102423754B1 (ko) * 2017-09-19 2022-07-21 삼성전자주식회사 디바이스 사용 문의에 대한 응답을 제공하는 디바이스 및 방법
US10887107B1 (en) * 2017-10-05 2021-01-05 National Technology & Engineering Solutions Of Sandia, Llc Proof-of-work for securing IoT and autonomous systems
US11075906B2 (en) * 2017-12-28 2021-07-27 Shoppertrak Rct Corporation Method and system for securing communications between a lead device and a secondary device
US10764068B2 (en) * 2018-01-30 2020-09-01 EMC IP Holding Company LLC Computer system employing challenge/response protocol with detection of non-unique incorrect responses
US11140142B2 (en) * 2019-01-24 2021-10-05 Salesforce.Com, Inc. Method and system for authentication
US11949677B2 (en) * 2019-04-23 2024-04-02 Microsoft Technology Licensing, Llc Resource access based on audio signal
US11968202B2 (en) * 2019-05-24 2024-04-23 AVAST Software s.r.o. Secure authentication in adverse environments
US11997096B2 (en) * 2021-05-18 2024-05-28 Akamai Technologies, Inc. Fast, secure, and scalable data store at the edge for connecting network enabled devices
US20240129127A1 (en) * 2022-10-18 2024-04-18 Dell Products, L.P. Systems and methods for dual hash rolling patch secure authentication

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5418854A (en) * 1992-04-28 1995-05-23 Digital Equipment Corporation Method and apparatus for protecting the confidentiality of passwords in a distributed data processing system
US5491752A (en) * 1993-03-18 1996-02-13 Digital Equipment Corporation, Patent Law Group System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens
US5434918A (en) * 1993-12-14 1995-07-18 Hughes Aircraft Company Method for providing mutual authentication of a user and a server on a network
US5666415A (en) * 1995-07-28 1997-09-09 Digital Equipment Corporation Method and apparatus for cryptographic authentication
US5721779A (en) * 1995-08-28 1998-02-24 Funk Software, Inc. Apparatus and methods for verifying the identity of a party
US6542610B2 (en) * 1997-01-30 2003-04-01 Intel Corporation Content protection for digital transmission systems
US6064736A (en) * 1997-09-15 2000-05-16 International Business Machines Corporation Systems, methods and computer program products that use an encrypted session for additional password verification
US6826686B1 (en) * 2000-04-14 2004-11-30 International Business Machines Corporation Method and apparatus for secure password transmission and password changes
US20020071566A1 (en) * 2000-12-11 2002-06-13 Kurn David Michael Computer system employing a split-secret cryptographic key linked to a password-based cryptographic key security scheme
US7062490B2 (en) * 2001-03-26 2006-06-13 Microsoft Corporation Serverless distributed file system
CA2356420A1 (en) * 2001-08-30 2003-02-28 Wmode Inc. Authentication and non-repudiation of a subscriber on a public network
US20030065956A1 (en) * 2001-09-28 2003-04-03 Abhijit Belapurkar Challenge-response data communication protocol
US20030093680A1 (en) * 2001-11-13 2003-05-15 International Business Machines Corporation Methods, apparatus and computer programs performing a mutual challenge-response authentication protocol using operating system capabilities
US7194765B2 (en) * 2002-06-12 2007-03-20 Telefonaktiebolaget Lm Ericsson (Publ) Challenge-response user authentication
US20040158734A1 (en) * 2002-02-01 2004-08-12 Larsen Vincent Alan System and method for process-based security in a portable electronic device
US7480384B2 (en) * 2003-02-10 2009-01-20 International Business Machines Corporation Method for distributing and authenticating public keys using random numbers and Diffie-Hellman public keys
US7478096B2 (en) * 2003-02-26 2009-01-13 Burnside Acquisition, Llc History preservation in a computer storage system
US7506161B2 (en) * 2003-09-02 2009-03-17 Authernative, Inc. Communication session encryption and authentication system
US7242923B2 (en) * 2004-03-23 2007-07-10 Motorola, Inc. System and method for authenticating wireless device with fixed station
ATE426965T1 (de) * 2004-05-04 2009-04-15 Research In Motion Ltd Anfrage-antwort-system und -verfahren

Also Published As

Publication number Publication date
US20120045057A1 (en) 2012-02-23
CA2530944C (en) 2010-03-16
EP1743447A4 (de) 2007-07-04
CA2530944A1 (en) 2005-11-10
US20050250473A1 (en) 2005-11-10
US8074072B2 (en) 2011-12-06
US20090240943A1 (en) 2009-09-24
US7603556B2 (en) 2009-10-13
CN1816997B (zh) 2011-02-16
ATE426965T1 (de) 2009-04-15
EP1743447B1 (de) 2009-03-25
US8515068B2 (en) 2013-08-20
EP1743447A1 (de) 2007-01-17
WO2005107130A1 (en) 2005-11-10
CN1816997A (zh) 2006-08-09

Similar Documents

Publication Publication Date Title
DE602004020276D1 (de) Anfrage-antwort-system und -verfahren
GB2573666A (en) Verifying authenticity of computer readable information using the blockchain
GB2572088A8 (en) Controlling access to a locked space using cryptographic keys stored on a blockchain
GB2496354B (en) A method and system of providing authentication of user access to a computer resource via a mobile device using multiple separate security factors
RU2017106105A (ru) Способы безопасного генерирования криптограмм
RU2003111977A (ru) Способы аутентификации потенциальных членов, приглашенных присоединиться к группе
JP2008500589A5 (de)
WO2006135897A3 (en) Proxy authentication network
RU2013149306A (ru) Способ и система для посещения приложения третьей стороны через облачную платформу
WO2016144257A3 (en) Method and system for facilitating authentication
CA2556155A1 (en) Token provisioning
JP2013539324A5 (de)
WO2005006629A3 (en) Terminal authentication in a wireless network
HK1058270A1 (en) Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys
RU2019117050A (ru) Управление шифрованием данных посредством множества органов управления
RU2008147396A (ru) Улучшенный доступ к домену
GB2430518A (en) Method of delivering direct proof private keys to devices using a distribution cd
WO2009126209A3 (en) Methods and apparatus for authentication and identity management using a public key infrastructure (pki) in an ip-based telephony environment
DE60317498D1 (de) Verfahren und System zur Schlüsseldistribution mit einem Authentifizierungschritt und einem Schlüsseldistributionsschritt unter Verwendung von KEK (key encryption key)
JP2017017686A5 (de)
CN102694650A (zh) 一种基于身份加密的密钥生成方法
WO2002005475A3 (en) Generation and use of digital signatures
JP2016019233A (ja) 通信システム、通信装置、鍵管理装置、及び通信方法
WO2012051076A3 (en) A method for securing credentials in a remote repository
WO2007107976A3 (en) Period keys

Legal Events

Date Code Title Description
8364 No opposition during term of opposition