BS IS0/IEC 18014-2:2021 Incorporating corrigendum November 2024 BSl Standards Publication Information security Time-stamping services Part 2: Mechanisms producing independent tokens bsi. BSIS0/IEC18014-2:2021 BRITISHSTANDARD National foreword This British Standard istheUKimplementation ofIS0/IEC18014-2:2021, incorporating corrigendum November2024. The start and finish oftext introduced oraltered by corrigendum is indicated in the text bytags. Text altered by ISO/IEC corrigendum November 2024 is indicated in the text by[Ac)(Aci]. The UK participation in its preparation was entrusted to Technical CommitteeIST/33/2,Cryptography and Security Mechanisms. A list of organizations represented on this committee can be obtained on request toits committeemanager. Contractual and legal considerations This publication has been prepared in good faith, however no representation,warranty,assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be acceptedbyBsIinrelationtotheadequacy,accuracy,completenessor liability is expressly disclaimed to the full extent permitted by thelaw. This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respectto its use ofthis publication. This publicationis not intended to constitutea contract.Users are responsibleforitscorrectapplication. @TheBritishStandards Institution2024 Published byBSI Standards Limited 2024 ISBN9780539276787 ICS 35.030 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committee on31October 2021. Amendments/corrigendaissued sincepublication Date Textaffected 30November 2024 Implementation ofISo/IECcorrigendumNovember 2024 BSIS0/IEC18014-2:2021 INTERNATIONAL ISO/IEC 18014-2 STANDARD Third edition 2021-09 Information security Time- stamping services Part 2: Mechanisms producing independent tokens Sécurité deI'information-Services d'horodatage- Partie 2: Mecanismes produisant des jetons independants Reference number IS0/IEC 18014-2:2021(E) IEC @IS0/IEC2021