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About This Item

 

Full Description

A time-stamping service provides evidence that a data item existed before a certain point in time. Time-stamp services produce time-stamp tokens, which are data structures containing a verifiable cryptographic binding between a data item's representation and a time-value. This part of ISO/IEC 18014 defines time-stamping mechanisms that produce independent tokens, which can be verified one by one.
 

Document History

  1. CAN/CSA-ISO/IEC 18014-2:22


    Information security - Time-stamping services - Part 2: Mechanisms producing independent tokens (Adopted ISO/IEC 18014-2:2021, third edition, 2021-09)

    • Most Recent
  2. CAN/CSA-ISO/IEC 18014-2:10 (R2020)


    Information technology - Security techniques - Time-stamping services - Part 2: Mechanisms producing independent tokens (Adopted ISO/IEC 18014-2:2009, second edition, 2009-12-15)

    • Historical Version
  3. CAN/CSA-ISO/IEC 18014-2-04

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    Information Technology - Security Techniques - Time-Stamping Services - Part 2: Mechanisms Producing Independent Tokens (Adopted ISO/IEC 18014-2:2002, first edition, 2002-12-15)

    • Historical Version