FI20011377A - Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite - Google Patents

Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite Download PDF

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Publication number
FI20011377A
FI20011377A FI20011377A FI20011377A FI20011377A FI 20011377 A FI20011377 A FI 20011377A FI 20011377 A FI20011377 A FI 20011377A FI 20011377 A FI20011377 A FI 20011377A FI 20011377 A FI20011377 A FI 20011377A
Authority
FI
Finland
Prior art keywords
time data
terminal
procedure
checking time
real
Prior art date
Application number
FI20011377A
Other languages
English (en)
Swedish (sv)
Other versions
FI20011377A0 (fi
FI115811B (fi
Inventor
Vesa Tervo
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI20011377A priority Critical patent/FI115811B/fi
Publication of FI20011377A0 publication Critical patent/FI20011377A0/fi
Priority to EP02396100A priority patent/EP1271892A3/en
Priority to US10/184,185 priority patent/US7174392B2/en
Publication of FI20011377A publication Critical patent/FI20011377A/fi
Application granted granted Critical
Publication of FI115811B publication Critical patent/FI115811B/fi

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • 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
    • H04L9/40—Network security protocols
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2151—Time stamp
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Communication Control (AREA)
  • Debugging And Monitoring (AREA)
FI20011377A 2001-06-27 2001-06-27 Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite FI115811B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20011377A FI115811B (fi) 2001-06-27 2001-06-27 Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite
EP02396100A EP1271892A3 (en) 2001-06-27 2002-06-25 A method for verifying time data, a system and a terminal
US10/184,185 US7174392B2 (en) 2001-06-27 2002-06-26 Method for verifying time data, a system and a terminal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20011377 2001-06-27
FI20011377A FI115811B (fi) 2001-06-27 2001-06-27 Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite

Publications (3)

Publication Number Publication Date
FI20011377A0 FI20011377A0 (fi) 2001-06-27
FI20011377A true FI20011377A (fi) 2003-03-05
FI115811B FI115811B (fi) 2005-07-15

Family

ID=8561512

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20011377A FI115811B (fi) 2001-06-27 2001-06-27 Menetelmä aikatiedon tarkistamiseksi, järjestelmä ja päätelaite

Country Status (3)

Country Link
US (1) US7174392B2 (fi)
EP (1) EP1271892A3 (fi)
FI (1) FI115811B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040088176A1 (en) * 2002-11-04 2004-05-06 Balaji Rajamani System and method of automated licensing of an appliance or an application
US7065679B2 (en) * 2004-03-24 2006-06-20 Hitachi, Ltd. Reasonable clock adjustment for storage system
US8041980B2 (en) * 2005-04-11 2011-10-18 Seiko Instruments Inc. Time certifying server, reference time distributing server, time certifying method, reference time distributing method, time certifying program, and communication protocol program
DE102005025325B4 (de) * 2005-05-31 2007-06-28 Siemens Ag Verfahren zur Übertragung und zur Überprüfung von Synchronisierungs-Nachrichten
JP2007243574A (ja) * 2006-03-08 2007-09-20 Konica Minolta Business Technologies Inc タイムスタンプ取得装置、タイムスタンプ取得方法及びタイムスタンプ取得プログラム
US8180050B2 (en) 2006-04-26 2012-05-15 Dell Products L.P. System and method for self-decaying digital media files and for validated playback of same
US7804435B2 (en) * 2006-08-31 2010-09-28 Ati Technologies Ulc Video decoder with reduced power consumption and method thereof
US9582060B2 (en) * 2006-08-31 2017-02-28 Advanced Silicon Technologies Llc Battery-powered device with reduced power consumption based on an application profile data
US7818553B2 (en) * 2006-09-27 2010-10-19 Lenovo (Singapore) Pte. Ltd. Method and apparatus for preventing unauthorized modifications to rental computer systems
JP2009037456A (ja) * 2007-08-02 2009-02-19 Nec Electronics Corp マイクロコントローラおよびその制御方法
US8145910B1 (en) * 2008-02-29 2012-03-27 Adobe Systems Incorporated System and method to enforce collaboration rules for timestamps of a collaboration event

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444780A (en) * 1993-07-22 1995-08-22 International Business Machines Corporation Client/server based secure timekeeping system
DE19610401A1 (de) * 1996-03-16 1997-09-18 Deutsche Telekom Ag Verfahren und Anordnung zum Nachweis des Zeitpunktes der Durchführung eines kryptographischen Prozesses
US5923763A (en) * 1996-03-21 1999-07-13 Walker Asset Management Limited Partnership Method and apparatus for secure document timestamping
US6209090B1 (en) * 1997-05-29 2001-03-27 Sol Aisenberg Method and apparatus for providing secure time stamps for documents and computer files
US6081899A (en) * 1998-01-09 2000-06-27 Netscape Communications Corporation Time stamp authority hierarchy protocol and associated validating system
GB9901127D0 (en) 1999-01-20 1999-03-10 Hewlett Packard Co Provision of trusted services
JP2003519417A (ja) * 1999-06-23 2003-06-17 データム・インコーポレイテツド 信頼されるサードパーティクロックおよび信頼されるローカルクロックを提供するためのシステムおよび方法
US6393126B1 (en) * 1999-06-23 2002-05-21 Datum, Inc. System and methods for generating trusted and authenticatable time stamps for electronic documents
US6895507B1 (en) * 1999-07-02 2005-05-17 Time Certain, Llc Method and system for determining and maintaining trust in digital data files with certifiable time
US6728880B1 (en) * 1999-09-17 2004-04-27 Adobe Systems Incorporated Secure time on computers with insecure clocks
US6742048B1 (en) * 2000-07-10 2004-05-25 Advanced Micro Devices, Inc. Multilevel network for distributing trusted time and delegating levels of trust regarding timekeeping

Also Published As

Publication number Publication date
US7174392B2 (en) 2007-02-06
FI20011377A0 (fi) 2001-06-27
FI115811B (fi) 2005-07-15
US20030041184A1 (en) 2003-02-27
EP1271892A2 (en) 2003-01-02
EP1271892A3 (en) 2005-11-30

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