ATE374478T1 - 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
ATE374478T1
ATE374478T1 AT05017140T AT05017140T ATE374478T1 AT E374478 T1 ATE374478 T1 AT E374478T1 AT 05017140 T AT05017140 T AT 05017140T AT 05017140 T AT05017140 T AT 05017140T AT E374478 T1 ATE374478 T1 AT E374478T1
Authority
AT
Austria
Prior art keywords
public
sequence
public key
key cryptography
keys used
Prior art date
Application number
AT05017140T
Other languages
English (en)
Inventor
Zoltan Nochta
Original Assignee
Sap Ag
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 Ag filed Critical Sap Ag
Application granted granted Critical
Publication of ATE374478T1 publication Critical patent/ATE374478T1/de

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)
AT05017140T 2005-08-05 2005-08-05 System und verfahren für das erneuern von schlüsseln, welche in public-key kryptographie genutzt werden ATE374478T1 (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 (1)

Publication Number Publication Date
ATE374478T1 true ATE374478T1 (de) 2007-10-15

Family

ID=35431060

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05017140T ATE374478T1 (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)

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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
US11418580B2 (en) 2011-04-01 2022-08-16 Pure Storage, Inc. Selective generation of secure signatures in a distributed storage network
US10298684B2 (en) 2011-04-01 2019-05-21 International Business Machines Corporation Adaptive replication of dispersed data to improve data access performance
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
US8707454B1 (en) 2012-07-16 2014-04-22 Wickr Inc. Multi party messaging
US9866591B1 (en) 2013-06-25 2018-01-09 Wickr Inc. Enterprise messaging platform
US10129260B1 (en) 2013-06-25 2018-11-13 Wickr Inc. Mutual privacy management
US10567349B2 (en) 2013-06-25 2020-02-18 Wickr Inc. Secure time-to-live
US9830089B1 (en) 2013-06-25 2017-11-28 Wickr Inc. Digital data sanitization
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
US10565074B2 (en) * 2014-08-29 2020-02-18 Cynny Space Srl Systems and methods to distribute computing tasks among 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
US9602477B1 (en) 2016-04-14 2017-03-21 Wickr Inc. Secure file transfer
US9591479B1 (en) 2016-04-14 2017-03-07 Wickr Inc. Secure telecommunications
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
US10686603B2 (en) 2018-10-02 2020-06-16 Capital One Services, Llc Systems and methods for cryptographic authentication of contactless cards
US12381745B2 (en) * 2021-06-29 2025-08-05 Amazon Technologies, Inc. Identity authority

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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
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Also Published As

Publication number Publication date
DE602005002652T2 (de) 2008-07-10
JP4593533B2 (ja) 2010-12-08
EP1750389B1 (de) 2007-09-26
US20070116269A1 (en) 2007-05-24
US7974415B2 (en) 2011-07-05
JP2007049708A (ja) 2007-02-22
CN1909452A (zh) 2007-02-07
DE602005002652D1 (de) 2007-11-08
CN100521601C (zh) 2009-07-29
EP1750389A1 (de) 2007-02-07

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