CACI-IIG / keycloak-hibp-password-policy

HaveIBeenPwned Password Policy for Keycloak PoC

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HaveIBeenPwned Password Policy for Keycloak PoC

Intro

Apache Keycloak is an open source IDAM solution supporting OpenID Connect, OAuth 2.0, and SAML.

Have I Been Pwned (HIBP) is a service that aims to inform people if their email addresses or passwords have been present in any known security breaches.

This proof of concept implements a Service Provider Interface (SPIs) to block the usage of passwords present in data breaches, using the HIBP Password API.

NB: This is a proof of concept, with several modifications required to be made before sensible to be used in a live environment, see #future-work

Installation

The Dockerfile provides the necessary installation and registration steps, which match those documented by Keycloak.

Using the Keycloak Deployer, the only step required is copying the build jar into standalone/deployments/ within Keycloak.

Configuration

Once registered, the Policy can be added via Authentication -> Password Policy and selecting HIBP Data Breaches from the Policy dropdown.

The Policy Value is the maximum number of breaches a password can have occurred in to be accepted, defaulting to 0.

Future Work

  • Handle cases where HIBP API is not accessible
  • Configurable allow/deny in those cases.
  • Configurable to allow an offline/local version of the HIBP API to be used.
  • Handle / respect rate limiting responses from HIBP API
  • Error message on password change failure should link to HIBP for an explanation.
  • Make the version of Keycloak easily configurable.

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HaveIBeenPwned Password Policy for Keycloak PoC

License:Apache License 2.0


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