ISO 17090-4:2020

Health informatics — Public key infrastructure — Part 4: Digital signatures for healthcare documents

Publication date:   Oct 7, 2020

General information

90.92 Standard to be revised   Jan 19, 2023


ISO/TC 215 Health informatics

International Standard

35.240.80   IT applications in health care technology



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This document supports interchangeability of digital signatures and the prevention of incorrect or illegal digital signatures by providing minimum requirements and formats for generating and verifying digital signatures and related certificates.
This document describes the common technical, operational, and policy requirements that need to be addressed to enable digital certificates to be used in protecting the exchange of healthcare information within a single domain, between domains, and across jurisdictional boundaries. Its purpose is to create a platform for global interoperability. It specifically supports digital certificate enabled communication across borders but could also provide guidance for the national or regional deployment of digital certificates in healthcare.
It defines the provable compliance with a PKI policy necessary in the domain of healthcare. This document specifies a method of adopting long-term signature formats to ensure integrity and non-repudiation in long-term electronic preservation of healthcare information.
This document provides Healthcare specific PKI (HPKI) profiles of digital signature based on the ETSI Standard and the profile of the ISO/ETSI Standard specified in CAdES, XAdES, and PAdES.

Life cycle


ISO 17090-4:2014


ISO 17090-4:2020
90.92 Standard to be revised
Jan 19, 2023


ISO/AWI 17090-4