DE602005002652D1 - System und Verfahren für das Erneuern von Schlüsseln, welche in Public-Key Kryptographie genutzt werden - Google Patents

System und Verfahren für das Erneuern von Schlüsseln, welche in Public-Key Kryptographie genutzt werden

Info

Publication number
DE602005002652D1
DE602005002652D1 DE602005002652T DE602005002652T DE602005002652D1 DE 602005002652 D1 DE602005002652 D1 DE 602005002652D1 DE 602005002652 T DE602005002652 T DE 602005002652T DE 602005002652 T DE602005002652 T DE 602005002652T DE 602005002652 D1 DE602005002652 D1 DE 602005002652D1
Authority
DE
Germany
Prior art keywords
public
sequence
public key
key cryptography
keys used
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
DE602005002652T
Other languages
English (en)
Other versions
DE602005002652T2 (de
Inventor
Zoltan Dr Nochta
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.)
SAP SE
Original Assignee
SAP SE
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 SAP SE filed Critical SAP SE
Publication of DE602005002652D1 publication Critical patent/DE602005002652D1/de
Application granted granted Critical
Publication of DE602005002652T2 publication Critical patent/DE602005002652T2/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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Emergency Protection Circuit Devices (AREA)
DE602005002652T 2005-08-05 2005-08-05 System und Verfahren für das Erneuern von Schlüsseln, welche in Public-Key Kryptographie genutzt werden Active DE602005002652T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05017140A EP1750389B1 (de) 2005-08-05 2005-08-05 System und Verfahren für das Erneuern von Schlüsseln, welche in Public-Key Kryptographie genutzt werden

Publications (2)

Publication Number Publication Date
DE602005002652D1 true DE602005002652D1 (de) 2007-11-08
DE602005002652T2 DE602005002652T2 (de) 2008-07-10

Family

ID=35431060

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005002652T Active DE602005002652T2 (de) 2005-08-05 2005-08-05 System und Verfahren für das Erneuern von Schlüsseln, welche in Public-Key Kryptographie genutzt werden

Country Status (6)

Country Link
US (1) US7974415B2 (de)
EP (1) EP1750389B1 (de)
JP (1) JP4593533B2 (de)
CN (1) CN100521601C (de)
AT (1) ATE374478T1 (de)
DE (1) DE602005002652T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8214638B1 (en) * 2006-09-26 2012-07-03 Hewlett-Packard Development Company, L.P. Using multiple certificates to distribute public keys
CN101170407B (zh) * 2007-12-03 2011-01-12 北京深思洛克软件技术股份有限公司 一种安全地生成密钥对和传送公钥或证书申请文件的方法
EP2104269A1 (de) 2008-03-17 2009-09-23 Robert Bosch Gmbh Elektronische Steuereinheit (ECU) und Verfahren zur Überprüfung der Datenintegrität
JP5324813B2 (ja) * 2008-04-28 2013-10-23 Ｋｄｄｉ株式会社 鍵生成装置、証明書生成装置、サービス提供システム、鍵生成方法、証明書生成方法、サービス提供方法およびプログラム
FR2931326A1 (fr) * 2008-05-16 2009-11-20 St Microelectronics Rousset Verification d'integrite d'une cle de chiffrement
CN101286840B (zh) * 2008-05-29 2014-07-30 西安西电捷通无线网络通信股份有限公司 一种利用公钥密码技术的密钥分配方法及其系统
US8392711B2 (en) * 2009-05-27 2013-03-05 Avaya Inc. Staged establishment of secure strings of symbols
US9026805B2 (en) 2010-12-30 2015-05-05 Microsoft Technology Licensing, Llc Key management using trusted platform modules
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
US8874990B2 (en) * 2011-04-01 2014-10-28 Cleversafe, Inc. Pre-fetching data segments stored in a dispersed storage network
US8948399B2 (en) * 2011-05-27 2015-02-03 Novell, Inc. Dynamic key management
US9008316B2 (en) * 2012-03-29 2015-04-14 Microsoft Technology Licensing, Llc Role-based distributed key management
US9285981B1 (en) 2012-07-16 2016-03-15 Wickr Inc. Discouraging screen capture
US10129260B1 (en) 2013-06-25 2018-11-13 Wickr Inc. Mutual privacy management
US9830089B1 (en) 2013-06-25 2017-11-28 Wickr Inc. Digital data sanitization
US9866591B1 (en) 2013-06-25 2018-01-09 Wickr Inc. Enterprise messaging platform
US10567349B2 (en) 2013-06-25 2020-02-18 Wickr Inc. Secure time-to-live
JP6312344B2 (ja) * 2014-02-18 2018-04-18 日本電信電話株式会社 セキュリティ装置、その方法、およびプログラム
US9698976B1 (en) 2014-02-24 2017-07-04 Wickr Inc. Key management and dynamic perfect forward secrecy
US9584530B1 (en) 2014-06-27 2017-02-28 Wickr Inc. In-band identity verification and man-in-the-middle defense
US9928149B2 (en) * 2014-08-29 2018-03-27 Cynny Space Srl Systems and methods to maintain data integrity and redundancy in a computing system having multiple computers
US9654288B1 (en) 2014-12-11 2017-05-16 Wickr Inc. Securing group communications
US9590956B1 (en) 2015-12-18 2017-03-07 Wickr Inc. Decentralized authoritative messaging
US10291607B1 (en) 2016-02-02 2019-05-14 Wickr Inc. Providing real-time events to applications
CN105915333B (zh) * 2016-03-15 2019-08-23 南京邮电大学 一种基于属性加密的高效密钥分发方法
US9596079B1 (en) 2016-04-14 2017-03-14 Wickr Inc. Secure telecommunications
US9602477B1 (en) 2016-04-14 2017-03-21 Wickr Inc. Secure file transfer
TWI608722B (zh) * 2016-06-23 2017-12-11 Public key certificate method
CN110050437B (zh) * 2016-09-06 2020-10-23 华为技术有限公司 分布式证书注册的装置和方法
US10855566B2 (en) 2016-09-30 2020-12-01 Sap Se Efficiency and performance in Internet-of-Things scenarios
US10897360B2 (en) * 2017-01-26 2021-01-19 Microsoft Technology Licensing, Llc Addressing a trusted execution environment using clean room provisioning
SG11202102543WA (en) 2018-10-02 2021-04-29 Capital One Services Llc Systems and methods for cryptographic authentication of contactless cards
US20220417036A1 (en) * 2021-06-29 2022-12-29 Amazon Technologies, Inc. Identity authority

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3080382B2 (ja) * 1990-02-21 2000-08-28 株式会社日立製作所 暗号通信システム
WO1998032113A1 (fr) * 1997-01-17 1998-07-23 Ntt Data Corporation Procede et systeme de controle de cle pour signature electronique
US6820202B1 (en) * 1998-11-09 2004-11-16 First Data Corporation Account authority digital signature (AADS) system
US6976162B1 (en) * 2000-06-28 2005-12-13 Intel Corporation Platform and method for establishing provable identities while maintaining privacy
JP2002297548A (ja) * 2001-03-30 2002-10-11 Matsushita Electric Ind Co Ltd 端末登録システムとそれを構成する装置及び方法
JP3890959B2 (ja) * 2001-11-22 2007-03-07 株式会社日立製作所 公開鍵証明書の生成システム及び検証システム
JP3897613B2 (ja) * 2002-02-27 2007-03-28 株式会社日立製作所 公開鍵暗号方式における登録局サーバの運用方法、登録局サーバ、及びプログラム
EP1349033B1 (de) * 2002-03-26 2004-03-31 Soteres GmbH Verfahren zum Schutz der Integrität von Programmen
JP4504099B2 (ja) * 2003-06-25 2010-07-14 株式会社リコー デジタル証明書管理システム、デジタル証明書管理装置、デジタル証明書管理方法、更新手順決定方法およびプログラム
JP2007506392A (ja) * 2003-09-22 2007-03-15 イムプシス ディジタル セキュリティ アクチボラゲット データ通信機密保護の仕組みおよび方法
US20050120203A1 (en) * 2003-12-01 2005-06-02 Ryhwei Yeh Methods, systems and computer program products for automatic rekeying in an authentication environment
US7983420B2 (en) * 2004-05-24 2011-07-19 Sharp Laboratories Of America, Inc. Imaging job authorization
US7693280B2 (en) * 2005-04-22 2010-04-06 Microsoft Corporation Rights management system for streamed multimedia content
US7613915B2 (en) * 2006-11-09 2009-11-03 BroadOn Communications Corp Method for programming on-chip non-volatile memory in a secure processor, and a device so programmed

Also Published As

Publication number Publication date
US20070116269A1 (en) 2007-05-24
EP1750389A1 (de) 2007-02-07
JP4593533B2 (ja) 2010-12-08
EP1750389B1 (de) 2007-09-26
US7974415B2 (en) 2011-07-05
DE602005002652T2 (de) 2008-07-10
CN1909452A (zh) 2007-02-07
JP2007049708A (ja) 2007-02-22
ATE374478T1 (de) 2007-10-15
CN100521601C (zh) 2009-07-29

Similar Documents

Publication Publication Date Title
ATE374478T1 (de) System und verfahren für das erneuern von schlüsseln, welche in public-key kryptographie genutzt werden
Yuan et al. Efficient public integrity checking for cloud data sharing with multi-user modification
EP3487118A1 (de) Datenverarbeitungsverfahren und -vorrichtung
ATE473566T1 (de) Sichere berechnung von privatwerten
US20150019868A1 (en) Public encryption method based on user id
DE602006006072D1 (de) System und Verfahren für ein sicheres Aufzeichnungsprotokoll unter Verwendung von gemeinsam genutzten Kenntnissen von Mobilteilnehmerberechtigungsnachweisen
ATE429098T1 (de) Auf isogenien basierendes verschlüsselungssystem
AU2003222104A1 (en) Validation of inclusion of a platform within a data center
ATE419705T1 (de) Verfahren und vorrichtung zur beglaubigung von daten
ATE514271T1 (de) Anordnung und verfahren zur sicheren datenübertragung
DE50200601D1 (de) Vorrichtungen und Verfahren zur Zertifizierung von digitalen Unterschriften
WO2007074836A1 (ja) 署名生成装置、署名生成方法及び署名生成プログラム
ATE455409T1 (de) Verfahren und vorrichtung zur gewährleistung der softwareintegrität
WO2019047418A1 (zh) 数字签名方法、装置和系统
CN112149156B (zh) 用于公开记录的属性和数据条目的系统和选择器及其方法
SG131907A1 (en) Secure license key method and system
FR2846168B1 (fr) Delegation par certificat electronique
Islam et al. Cryptanalysis and improvement of a password-based user authentication scheme for the integrated EPR information system
Rodríguez-Henríquez et al. Yet another improvement over the Mu–Varadharajan e-voting protocol
Winderickx et al. In-depth energy analysis of security algorithms and protocols for the Internet of Things
DE602004027943D1 (de) Verbesserte natürliche montgomery-exponentenmaskierung
DE602004009932D1 (de) Netzwerkgerät, System und Verfahren zur Authentifizierung
GB201222212D0 (en) Malware detection
Park et al. Cryptanalysis of Zhou et al.’s proxy-protected signature schemes
CN112769563A (zh) 一种基于多方计算的操作端代理授权方法及装置

Legal Events

Date Code Title Description
8364 No opposition during term of opposition