AU Base Implementation Guide
5.1.0-preview - Preview

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## Extension: Encryption Certificate PEM X509

Official URL: http://hl7.org.au/fhir/StructureDefinition/encryption-certificate-pem-x509 | Version: 5.1.0-preview
Standards status: Trial-use | Maturity Level: 3 | Computable Name: EncryptionCertificatePEMx509
Copyright/Legal: HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved.

This extension applies to the Endpoint resource and is used to support encrypted certificate content for use with an endpoint. This extension allows an endpoint entry to define a suitable certificate for use in communications on the associated channel.

This extension may be used on the following element(s):

- Element ID Endpoint

### Usage Notes

Profile specific implementation guidance:

- The value recorded is an X509 certificate in PEM format as per RFC7468.

Usage:

- Examples for this Extension: Telstra Health Secure Messaging Endpoint

Changes since version 5.0.0:

- No changes

### Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

- Differential Table
- Snapshot Table
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | PEM X509 certificate
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/encryption-certificate-pem-x509"
value[x] |  | 1..1 | string | Base64 encoded string PEM format X509 certificate
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | PEM X509 certificate
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/encryption-certificate-pem-x509"
value[x] |  | 1..1 | string | Base64 encoded string PEM format X509 certificate
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type string: This extension applies to the Endpoint resource and is used to support encrypted certificate content for use with an endpoint. This extension allows an endpoint entry to define a suitable certificate for use in communications on the associated channel.

Maturity: 3

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | PEM X509 certificate
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/encryption-certificate-pem-x509"
value[x] |  | 1..1 | string | Base64 encoded string PEM format X509 certificate
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | PEM X509 certificate
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/encryption-certificate-pem-x509"
value[x] |  | 1..1 | string | Base64 encoded string PEM format X509 certificate
Documentation for this format

Other representations of profile: CSV, Excel, Schematron

#### Constraints

Id | Grade | Path(s) | Details | Requirements
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |