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Add CFT OIDC authentication standard #605

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kremi merged 2 commits into from
Jun 8, 2026
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Merged

Add CFT OIDC authentication standard #605

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bf3dc62
Add CFT OIDC authentication standard
kremi Jun 8, 2026
7012ac8
Update allow.txt
kremi Jun 8, 2026
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1 change: 1 addition & 0 deletions .github/actions/spelling/allow.txt
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Expand Up @@ -218,6 +218,7 @@ Phishing
pid
pipeable
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PKCE
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24 changes: 24 additions & 0 deletions source/standards/standards/authentication-and-authorization.html.md.erb
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---
title: Authentication and authorization
last_reviewed_on: 2026-06-08
review_in: 12 months
weight: 5
---

# <%= current_page.data.title %>

CFT services should use OpenID Connect with CFT IDAM for user authentication.

Authentication and authorization are separate concerns. OpenID Connect establishes the user identity. Services are responsible for their own authorization decisions.

### OpenID Connect flows

Use the authorization code flow for browser-based user authentication.

Use PKCE where the client stack supports it.

Use client credentials only for service-to-service authentication where no user is involved.

Avoid password and implicit grants for new integrations.

For implementation guidance, see the [OpenID Connect Guide for CFT Developers Using CFT IDAM](https://tools.hmcts.net/confluence/spaces/SISM/pages/1973296310/OpenID+Connect+Guide+for+CFT+Developers+Using+CFT+IDAM).
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