This document sets out a framework of requirements to manage information security for Public key infrastructure (PKI) trust service providers through certificate policies, certificate practice statements, and, where applicable, their internal underpinning by an information security management system (ISMS). The framework of requirements includes the assessment and treatment of information security risks, tailored to meet the agreed service requirements of its users as specified through the certificate policy. This document is also intended to help trust service providers to support multiple certificate policies.
This document addresses the life cycle of public key certificates that are used for digital signatures, authentication, or key establishment for data encryption. It does not address authentication methods, non-repudiation requirements, or key management protocols based on the use of public key certificates. For the purposes of this document, the term “certificate” refers to public key certificates. This document is not applicable to attribute certificates.
This document uses concepts and requirements of an ISMS as defined in the ISO/IEC 27000 family of standards. It uses the code of practice for information security controls as defined in ISO/IEC 27002. Specific PKI requirements (e.g. certificate content, identity proofing, certificate revocation handling) are not addressed directly by an ISMS such as defined by ISO/IEC 27001 .
The use of an ISMS or equivalent is adapted to the application of PKI service requirements specified in the certificate policy as described in this document.
A PKI trust service provider is a special class of trust service for the use of public key certificates.
This document draws a distinction between PKI systems used in closed, open and contractual environments. This document is intended to facilitate the implementation of operational, baseline controls and practices in a contractual environment. While the focus of this document is on the contractual environment, application of this document to open or closed environments is not specifically precluded.
Status: PublishedPublication date: 2022-07
Edition: 1Number of pages: 94
Technical Committee: ISO/IEC JTC 1/SC 27 Information security, cybersecurity and privacy protection
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