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

    • 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
    • H04L9/14Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04L9/3236Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80Wireless

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
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
US8874991B2 (en) * 2011-04-01 2014-10-28 Cleversafe, Inc. Appending data to existing data 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
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
US9830089B1 (en) 2013-06-25 2017-11-28 Wickr Inc. Digital data sanitization
US10129260B1 (en) 2013-06-25 2018-11-13 Wickr Inc. Mutual privacy management
WO2015125765A1 (ja) * 2014-02-18 2015-08-27 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
US9823985B2 (en) * 2014-08-29 2017-11-21 Cynny Space Srl Systems and methods to organize a computing system having multiple computers
US9654288B1 (en) 2014-12-11 2017-05-16 Wickr Inc. Securing group communications
US9584493B1 (en) 2015-12-18 2017-02-28 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
US9591479B1 (en) 2016-04-14 2017-03-07 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
WO2018046073A1 (en) * 2016-09-06 2018-03-15 Huawei Technologies Co., Ltd. Apparatus and methods for distributed certificate enrollment
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
WO2020072690A1 (en) 2018-10-02 2020-04-09 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

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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
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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
DE60200323T2 (de) * 2002-03-26 2005-02-24 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
EP1673898A1 (de) * 2003-09-22 2006-06-28 Impsys Digital Security AB Datenkommunikations-sicherheitsanordnung und -verfahren
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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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
US7974415B2 (en) 2011-07-05
EP1750389B1 (de) 2007-09-26
CN1909452A (zh) 2007-02-07
US20070116269A1 (en) 2007-05-24
CN100521601C (zh) 2009-07-29
DE602005002652T2 (de) 2008-07-10
DE602005002652D1 (de) 2007-11-08
EP1750389A1 (de) 2007-02-07
JP2007049708A (ja) 2007-02-22
JP4593533B2 (ja) 2010-12-08

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