| Contributing |
| ============ |
| We gratefully accept bug reports and contributions from the community. All PRs are reviewed by the project team / community, and may need some modifications to |
| be accepted. |
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| Most contributions in this repository will be associated with [Mbed TLS](https://github.com/Mbed-TLS/mbedtls/blob/development/CONTRIBUTING.md) or TF-PSA-Crypto. Please consult their respective contribution guidelines for more information. |
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| What can I contribute here? |
| --------------------------- |
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| This repository is intended to contain files that are shared between multiple maintained branches of Mbed TLS and TF-PSA-Crypto. The exact policies are not yet written down. Please contribute in this repository if you wish to update one of the files that are present here. |
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| License and Copyright |
| --------------------- |
| |
| Unless specifically indicated otherwise in a file, Mbed TLS framework files are provided under a dual [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html) OR [GPL-2.0-or-later](https://spdx.org/licenses/GPL-2.0-or-later.html) license. See the [LICENSE](LICENSE) file for the full text of these licenses. This means that users may choose which of these licenses they take the code under. |
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| Contributors must accept that their contributions are made under both the Apache-2.0 AND [GPL-2.0-or-later](https://spdx.org/licenses/GPL-2.0-or-later.html) licenses. |
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| All new files should include the standard SPDX license identifier where possible, i.e. "SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later". |
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| The copyright on contributions is retained by the original authors of the code. Where possible for new files, this should be noted in a comment at the top of the file in the form: "Copyright The Mbed TLS Contributors". |
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| When contributing code to us, the committer and all authors are required to make the submission under the terms of the [Developer Certificate of Origin](dco.txt), confirming that the code submitted can (legally) become part of the project, and is submitted under both the Apache-2.0 AND GPL-2.0-or-later licenses. |
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| This is done by including the standard Git `Signed-off-by:` line in every commit message. If more than one person contributed to the commit, they should also add their own `Signed-off-by:` line. |