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docs: update top-level README
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Make the README a little more descriptive and point
to the cluster guide to help new users.

Signed-off-by: Tobin Feldman-Fitzthum <[email protected]>
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fitzthum committed Jan 16, 2024
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# Confidential Container Tools and Components for the tenant side
# Trusted Components for Attestation and Secret Management

[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fconfidential-containers%2Fkbs.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fconfidential-containers%2Fkbs?ref=badge_shield)

This repository includes tools and components for the tenant side of confidential containers.
This repository contains tools and components for attesting confidential guests and providing secrets to them.
These components typically operate on behalf of the guest owner and interact remotely with
[guest components](https://github.com/confidential-containers/guest-components).

These components were developed for the Confidential Containers project, but can be used with a wide variety
of applications and hardware platforms.

##

[Key Broker Service](kbs)
The Confidential Containers Key Broker Service (KBS) is a remote server which facilitates remote attestation, which is the reference implementation of [Relying Party](https://www.ietf.org/archive/id/draft-ietf-rats-architecture-22.html)
and [Verifier](https://www.ietf.org/archive/id/draft-ietf-rats-architecture-22.html) in [RATS](https://datatracker.ietf.org/doc/draft-ietf-rats-architecture/)
role terminology.
The KBS is a server that facilitates remote attestation and secret delivery.
It's role is similar to that of the [Relying Party](https://www.ietf.org/archive/id/draft-ietf-rats-architecture-22.html#name-relying-party)
in the RATS model.

[Attestation Service](attestation-service)
Attestation Service (AS for short) is a general function set that can verify TEE evidence.
The AS verifies TEE evidence.
In the RATS model this is a [Verifier](https://www.ietf.org/archive/id/draft-ietf-rats-architecture-22.html#name-verifier)

[Reference Value Provider Service](attestation-service/rvps)
The RVPS manages reference values used to verify TEE evidence.
This is [mentioned](https://www.ietf.org/archive/id/draft-ietf-rats-architecture-22.html#name-endorser-reference-value-pr)
in the RATS model as well.

[Client Tool](kbs/tools/client)
This is a simple tool which can be used to test or configure the KBS and AS.

##

These components are flexible and can be deployed in several different configurations.
This figure shows one common way to deploy these components in conjunction with certain guest components.

<div align=center>

![](kbs/docs/pictures/cluster.svg)

</div>

## Quickstart

One simple way to get started with these components is with Docker compose, which can be used
to quickly setup a cluster matching the diagram above.

Please refer to the [cluster setup guide](kbs/docs/cluster.md).

## License
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