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trillian-examples

★ 176 Open GitHub ↗

A place to store some examples which use Trillian APIs to build things.

// repository documentation

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# Trillian examples

[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/google/trillian-examples/badge)](https://securityscorecards.dev/viewer/?uri=github.com/google/trillian-examples)
[![GoDoc](https://godoc.org/github.com/google/trillian-examples?status.svg)](https://godoc.org/github.com/google/trillian-examples)
[![Slack Status](https://img.shields.io/badge/Slack-Chat-blue.svg)](https://transparency-dev.slack.com/)

This repository contains example applications built on top of
[Trillian][], showing that it's possible to apply
transparency concepts to problems other than
[certificates](https://github.com/google/certificate-transparency-go).  It also
contains general-purpose components that can be used to strengthen the
guarantees of a transparent ecosystem that already contains verifiable logs.

Currently the examples here are:

* [binary_transparency/firmware](binary_transparency/firmware): A demo
   showing how to apply transparency bring discoverability to device firmware
   updates, but the principles are also more generally applicable to all kinds
   of binaries/updates.
* [helloworld](helloworld): A simple example demonstrating the correct
   configuration of a Trillian log, personality, and client.
* [sumdbverify](clone/cmd/sumdbverify): Demonstration of an auditor for the
   [Go SumDB](https://go.googlesource.com/proposal/+/master/design/25530-sumdb.md)
   module proxy, which clones a log and verifies the data in it.

The general-purpose components are:

* [serverless](serverless): A suite of command-line tools for managing
   transparency logs whose state is entirely composed of on-disk files, along
   with examples of how to use GitHub/GitHub Actions to host & publicly serve
   the log.

Notable projects that have graduated from this repository to their own top-level repositories:

* [witness](https://github.com/transparency-dev/witness)
* [distributor](https://github.com/transparency-dev/distributor)

There are two experimental deployments of the witness that have been deleted but
are signposted here for archival reasons. Both of these tools can be retrieved
by cloning this repository at git commit `793dcf1`:

* [usbarmory witness](https://github.com/google/trillian-examples/tree/793dcf1a313b1478e30f7a7e65bdf344b10f1da4/witness/golang/omniwitness/usbarmory)
* [ethereum witness](https://github.com/google/trillian-examples/tree/793dcf1a313b1478e30f7a7e65bdf344b10f1da4/witness/ethereum)

These examples and components are not supported per-se, but the Trillian team 
will likely try to help where possible.  You can contact them via the channels 
listed under *Support* on the [Trillian][] repo.

[Trillian]: https://github.com/google/trillian

trillian-examples

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