SG108889A1 - Time stamping system for electronic documents and program medium for the same - Google Patents

Time stamping system for electronic documents and program medium for the same

Info

Publication number
SG108889A1
SG108889A1 SG200207563A SG200207563A SG108889A1 SG 108889 A1 SG108889 A1 SG 108889A1 SG 200207563 A SG200207563 A SG 200207563A SG 200207563 A SG200207563 A SG 200207563A SG 108889 A1 SG108889 A1 SG 108889A1
Authority
SG
Singapore
Prior art keywords
same
electronic documents
time stamping
program medium
stamping system
Prior art date
Application number
SG200207563A
Other languages
English (en)
Inventor
Matsumoto Tsutomu
Sato Tadahiro
Ichikawa Keisuke
Original Assignee
Amano 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 Amano Corp filed Critical Amano Corp
Publication of SG108889A1 publication Critical patent/SG108889A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G06F21/645—Protecting data integrity, e.g. using checksums, certificates or signatures using a third party
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
    • G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
    • G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
    • 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
    • H04L9/3247—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 involving digital signatures
    • 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
    • H04L9/3297—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 involving time stamps, e.g. generation of time stamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • General Physics & Mathematics (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Bioethics (AREA)
  • General Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Strategic Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
SG200207563A 2002-02-20 2002-12-13 Time stamping system for electronic documents and program medium for the same SG108889A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002042487A JP2003244139A (ja) 2002-02-20 2002-02-20 電子文書に対するタイムスタンプ押印システム、及び、そのプログラム媒体

Publications (1)

Publication Number Publication Date
SG108889A1 true SG108889A1 (en) 2005-02-28

Family

ID=27678376

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200207563A SG108889A1 (en) 2002-02-20 2002-12-13 Time stamping system for electronic documents and program medium for the same

Country Status (5)

Country Link
US (1) US7266698B2 (fr)
JP (1) JP2003244139A (fr)
CN (1) CN100468386C (fr)
BE (1) BE1016139A3 (fr)
SG (1) SG108889A1 (fr)

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CN104767613B (zh) * 2014-01-02 2018-02-13 腾讯科技（深圳）有限公司 签名验证方法、装置及系统
CN104320417B (zh) * 2014-11-06 2017-06-06 北京安奇智联科技有限公司 移动终端和web终端之间互连及流传输和流媒体播放的方法
CN104539434A (zh) * 2015-01-23 2015-04-22 济南同智伟业软件股份有限公司 基于时间戳和gps定位的电子签章系统及方法
CN104680081A (zh) * 2015-02-12 2015-06-03 北京优星网络科技有限公司 一种批量数字文件有效性及时效性的处理方法及装置
US11392944B2 (en) 2015-05-20 2022-07-19 Ripple Luxembourg S.A. Transfer costs in a resource transfer system
US10740732B2 (en) 2015-05-20 2020-08-11 Ripple Luxembourg S.A. Resource transfer system
US11481771B2 (en) * 2015-05-20 2022-10-25 Ripple Luxembourg S.A. One way functions in a resource transfer system
JP6886350B2 (ja) * 2017-05-31 2021-06-16 アマノ株式会社 プログラム、タイムスタンプ管理装置およびタイムスタンプ管理方法
CN109214425B (zh) * 2018-08-07 2022-04-12 歌尔股份有限公司 图片验证方法、图片处理方法、设备及系统
CN112543241B (zh) * 2020-10-22 2023-05-30 重庆恢恢信息技术有限公司 一种利用区块链进行建筑工地安全图像数据挖掘方法
CN114598483A (zh) * 2020-11-20 2022-06-07 华为技术有限公司 一种完整性校验方法及相关设备
JP2022092105A (ja) * 2020-12-10 2022-06-22 富士通株式会社 情報処理プログラム、情報処理方法、情報処理装置および情報処理システム
CN114726573A (zh) * 2022-02-28 2022-07-08 新华三技术有限公司 一种管理密码的方法、云平台和终端设备

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Also Published As

Publication number Publication date
CN100468386C (zh) 2009-03-11
CN1439982A (zh) 2003-09-03
JP2003244139A (ja) 2003-08-29
US20030159048A1 (en) 2003-08-21
BE1016139A3 (fr) 2006-04-04
US7266698B2 (en) 2007-09-04

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