2021-08-17 12:01:46 +10:00

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# Session Android
[Download on the Google Play Store](https://getsession.org/android)
Add the [F-Droid repo](https://fdroid.getsession.org/)
[Download the APK from here](https://github.com/loki-project/session-android/releases/latest)
## Summary
Session integrates directly with [Oxen Service Nodes](https://docs.oxen.io/about-the-oxen-blockchain/oxen-service-nodes), which are a set of distributed, decentralized and Sybil resistant nodes. Service Nodes act as servers which store messages offline, and a set of nodes which allow for onion routing functionality obfuscating users' IP addresses. For a full understanding of how Session works, read the [Session Whitepaper](https://getsession.org/whitepaper).
<img src="https://i.imgur.com/RSMrR1F.png" width="320" />
## Want to contribute? Found a bug or have a feature request?
Please search for any [existing issues](https://github.com/oxen-io/session-android/issues) that describe your bugs in order to avoid duplicate submissions. Submissions can be made by making a pull request to our `dev` branch. If you don't know where to start contributing, try reading the Github issues page for ideas.
## Build instructions
Build instructions can be found in [BUILDING.md](BUILDING.md).
## Translations
Want to help us translate Session into your language? You can do so at https://crowdin.com/project/session-android!
## Verifying signatures
**Step 1:**
```
wget https://raw.githubusercontent.com/oxen-io/oxen-core/master/utils/gpg_keys/KeeJef.asc
gpg --import KeeJef.asc
```
**Step 2:**
Get the signed hash for this release. `SESSION_VERSION` needs to be updated for the release you want to verify.
```
export SESSION_VERSION=1.10.4
wget https://github.com/oxen-io/session-android/releases/download/$SESSION_VERSION/signatures.asc
```
**Step 3:**
Verify the signature of the hashes of the files.
```
gpg --verify signatures.asc 2>&1 |grep "Good signature from"
```
The command above should print "`Good signature from "Kee Jefferys...`". If it does, the hashes are valid but we still have to make the sure the signed hashes matches the downloaded files.
**Step 4:**
Make sure the two commands below returns the same hash. If they do, files are valid.
```
sha256sum session-$SESSION_VERSION-universal.apk
grep universal.apk signatures.asc
```
## License
Copyright 2011 Whisper Systems
Copyright 2013-2017 Open Whisper Systems
Copyright 2019-2021 The Oxen Project
Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html
## Socials
<a href="https://twitter.com/session_app">
<img align="left" width="26px" src="https://www.vectorlogo.zone/logos/twitter/twitter-official.svg" />
</a>
<a href="mailto:support@getsession.org">
<img align="left" width="26px" src="https://www.vectorlogo.zone/logos/gmail/gmail-icon.svg" />
</a>