31 lines
1.4 KiB
Markdown
31 lines
1.4 KiB
Markdown
# omemo_dart
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`omemo_dart` is a Dart library to help developers of Dart/Flutter XMPP clients to implement
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[OMEMO](https://xmpp.org/extensions/xep-0384.html) in its newest version - currently 0.8.3.
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The library provides an implementation of the [X3DH](https://signal.org/docs/specifications/x3dh/)
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key exchange, the [Double Ratchet](https://signal.org/docs/specifications/doubleratchet/) with
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the OMEMO 0.8.3 specific `ENCRYPT`, `DECRYPT` and `KDF_*` functions and a very high-level
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`OmemoSessionManager` that manages all Double Ratchet sessions and provides a clean and simple
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interface for encrypting a message for all known Ratchet sessions we have with a user.
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This library also has no dependency on any XMPP library. `omemo_dart` instead defines an
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intermediary format for the required data that you, the user, will need to transform to and from
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the stanza format of your preferred XMPP library yourself.
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## Important Notes
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- **Please note that this library has not been audited for its security! Use at your own risk!**
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- This library is not tested with other implementations of OMEMO 0.8.3 as I do not know of any client implementing spec compliant OMEMO 0.8.3. It does, however, work with itself.
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## Contributing
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When submitting a PR, please run the linter using `dart analyze` and make sure that all
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tests still pass using `dart test`.
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## License
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Licensed under the MIT license.
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See `LICENSE`.
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