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The open source trust anchor software for machines and factories to manage digital identities

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![Trustpoint](https://raw.githubusercontent.com/Trustpoint-Project/trustpoint/main/.github-assets/trustpoint_banner.png)

**The open source trust anchor software for machines and factories to manage digital identities.**

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> [!CAUTION]
> Trustpoint is currently in a **technology preview** (beta) state. Do not use it in production.

## Why Trustpoint?

Industrial environments are becoming increasingly connected, intelligent, and automated — but secure identity management has not kept pace. In OT, many established IT security processes cannot be applied 1:1. Networks are highly segmented, devices are resource-constrained, and machine lifecycles often span 20+ years. These realities create major barriers to deploying and managing digital identities at scale.

The result is what many manufacturers face today:
manual certificate handling, isolated certificate silos, self-signed certificatesd, vendor lock-in, and a growing security skill gap. These challenges frequently lead to digital identities being implemented inconsistently, inadequately, or not at all.

**Trustpoint solves this.**
It abstracts the complexity of PKI and certificate lifecycle management, providing an open, flexible, and automatable platform purpose-built for OT environments — from factory floors to field devices.

Trustpoint enables machine builders, operators, and integrators to:

* Deploy digital identities easily and securely — without requiring PKI or cryptography expertise
* Automate certificate provisioning, renewal, and decommissioning across the device lifecycle
* Use onboarding workflows that fit OT realities, including Zero-Touch onboarding, semi-automated flows, and operator-driven enrollment
* Avoid vendor lock-in through open standards, an open-source foundation, and interoperable protocols
* Reduce operational risk by consolidating fragmented certificate silos into a unified, manageable trust layer

## What are the features?

### 1. Device Onboarding & Certificate Management

Trustpoint supports a variety of PKI protocols and authentication methods for both device onboarding (initial LDevID issuance) and operational certificate management (TLS, authentication, signing certificates).
The following options provide a complete lifecycle—from zero-touch onboarding to renewal and re-enrollment.

Trustpoint supports multiple enrollment and onboarding methods:

**[AOKI](https://trustpoint.readthedocs.io/en/latest/devices/aoki.html)** (Zero-Touch Onboarding)

A secure, automated onboarding protocol designed specifically for industrial environments.
Zero-touch issuance of initial device credentials (LDevID)

---

**EST** (Enrollment over Secure Transport) [[RFC 7030](https://datatracker.ietf.org/doc/html/rfc7030)]

Supports both onboarding and application certificate enrollment.

Authentication Methods:
* Username + Password (operator-driven onboarding or enrollment)
* IDevID-based authentication (secure manufacturer-anchored onboarding)
* Client Certificate (mTLS) for renewal and re-enrollment

Capabilities:
* Device onboarding (LDevID issuance)
* Application certificate enrollment
* Certificate renewal and re-enrollment

---

**CMP** (Certificate Management Protocol) [[RFC 9483](https://datatracker.ietf.org/doc/rfc9483/)]

Flexible onboarding and certificate management for constrained or industrial devices.

Authentication Methods:
* Shared Secret authentication (bootstrap or one-time enrollment)
* IDevID-based authentication (manufacturer identity onboarding)
* Client Certificate (mTLS) for operational certificate renewal and rekeying

Capabilities:
* Onboarding (LDevID issuance)
* Application certificate enrollment
* Automated renewal and rekeying

---

**[OPC UA GDS Push](https://reference.opcfoundation.org/GDS/v105/docs/7.4)**

A protocol for secure and efficient distribution of certificates, trust anchors and CRLs to OPC UA servers.

Authentication Methods:
* Secure device registration
* Certificate-based authentication for updates

Capabilities:
* Distribution of server certificates and trust anchors
* Cyclic updates of OPC UA server certificates

---

**Additional Certificate Issuance Options**

Manual Download
* Trustpoint generates both the keypair and certificate
* Downloadable in PKCS#12 and PEM formats

Remote Credential Download
* Device retrieves credentials directly via its browser
* Secured with a one-time password (OTP)

### 2. Operation Modes

**Certificate Authorithy (CA)**

- **Import Issuing CA**: Integrate with an existing PKI by importing external CAs.
- **Auto-Generated CA**: Create a root and issuing CA for testing purposes.
- **CA Certificate Retrieval**: Devices can request the CA certificate via EST or CMP protocols.
- **Protected imported keys**: Optionally allow imported private-key credentials while keeping
  the key material encrypted by Trustpoint application-secret protection instead of injecting it
  into the configured PKCS#11 token.

**Registration Authority**

- **RA Mode with EST**: Act as a Registration Authority for EST-based enrollment, forwarding certificate requests to an external CA.

### 3. Miscellaneous

Trustpoint includes several supporting capabilities that enhance usability, integration, and operational workflows:
* **RESTful API** for device management, certificate issuance, identity lifecycle operations, and system integration.
* **Workflow Engine** with manual approval steps, webhook integrations (ERP, MES, IAM, etc.), and email notifications to fit seamlessly into existing operational processes.
* **Signing Authority** (Hash & Sign) allowing devices or services to submit a hash and receive a signed artifact.
* **Cyclic CRL Generation** for automated, scheduled certificate revocation list updates.
* **Certificate Profile Definition** using JSON for flexible certificate issuance parameters and constraints.
* **Security Levels** for configurable trust and authentication requirements across different operational contexts.
* Additional Features including a **web-based UI**, **system dashboard**, **Docker deployment**, **certificate revocation management**, and **multi-language** support.

## Who is developing Trustpoint?

Trustpoint is currently being developed by a consortium of five organizations: Campus Schwarzwald, Keyfactor, achelos
GmbH, Hamm-Lippstadt University of Applied Sciences and asvin GmbH. Several industrial companies are also part of the
project as associated partners. These include ARBURG GmbH + Co KG, Belden Inc., Diebold Nixdorf, Homag GmbH, J. Schmalz
GmbH, PHOENIX CONTACT GmbH & Co. KG and Siemens AG.

Trustpoint is funded as part of a project sponsored by the German Federal Ministry of Education and Research. Questions
can be asked in [Discord](https://discord.gg/6fyr3fGH) and will be answered by us. We
look forward to hearing about your experiences with Trustpoint. You can send suggestions to
trustpoint@campus-schwarzwald.de.

## Documentation and Installation Instructions

For more details see the full [Trustpoint Documentation](https://trustpoint.readthedocs.io/en/latest/).

For a quick setup and first impression use
our [Quickstart Setup Guide](https://trustpoint.readthedocs.io/en/latest/getting_started/quickstart_setup.html)

### Docker Hub

We are also providing the Trustpoint as a docker-container. Please see
[Trustpoint on Docker Hub](https://hub.docker.com/r/trustpointproject/trustpoint) or follow the
instructions in our [Trustpoint Documentation](https://trustpoint.readthedocs.io/en/latest/) to build the
container yourself.

### Local PKCS#11 Dev

The local/dev PKCS#11 path now uses a dedicated SoftHSM container plus the PKCS#11 proxy client
library inside the Trustpoint app container. ``tp_wizard.sh`` can start that separate SoftHSM
service, provision the local token state under ``./var/hsm``, and create the active local/dev
provider profile for the new generic PKCS#11 backend.

See ``docs/source/development/pkcs11_local_dev.rst`` for the local filesystem layout, exact
Django-shell smoke commands, and the live PKCS#11 pytest integration test command.

### Protected Imported Keys

Trustpoint normally generates signing authority keys through the configured crypto backend. For
deployments that must also import existing private-key credentials, enable **Allow imported private
keys** under **Management > Settings > Security**.

Protected imported keys require a PKCS#11 crypto backend and PKCS#11-backed application-secret
protection. The imported key is stored encrypted in the Trustpoint database and is exposed to the
application only through the crypto backend API. It is not imported into the HSM token.

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