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71 lines
2.5 KiB
Markdown
71 lines
2.5 KiB
Markdown
# Session iOS
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[Download Session on the App Store](https://getsession.org/iphone)
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## Summary
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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, 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).
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<img src="https://i.imgur.com/Ioub5bx.png" width="320" />
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## Want to contribute? Found a bug or have a feature request?
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Please search for any [existing issues](https://github.com/session-foundation/session-ios/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.
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## Build instructions
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Build instructions can be found in [BUILDING.md](BUILDING.md).
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## Translations
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Want to help us translate Session into your language? You can do so at https://getsession.org/translate !
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## Verifying signatures
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**Step 1:**
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Add Jason's GPG key. Jason Rhinelander, a member of the [Session Technology Foundation](https://session.foundation/) and is the current signer for all Session iOS releases. His GPG key can be found on his GitHub and other sources.
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```sh
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wget https://github.com/jagerman.gpg
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gpg --import jagerman.gpg
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```
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**Step 2:**
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Get the signed hashes for this release. `SESSION_VERSION` needs to be updated for the release you want to verify.
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```sh
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export SESSION_VERSION=2.9.1
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wget https://github.com/session-foundation/session-ios/releases/download/$SESSION_VERSION/signature.asc
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```
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**Step 3:**
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Verify the signature of the hashes of the files.
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```sh
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gpg --verify signature.asc 2>&1 |grep "Good signature from"
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```
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The command above should print "`Good signature from "Jason Rhinelander...`". If it does, the hashes are valid but we still have to make the sure the signed hashes match the downloaded files.
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**Step 4:**
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Make sure the two commands below return the same hash for the file you are checking. If they do, file is valid.
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```
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sha256sum session-$SESSION_VERSION.ipa
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grep .ipa signature.asc
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```
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## License
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Copyright 2011 Whisper Systems
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Copyright 2013-2017 Open Whisper Systems
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Copyright 2019-2021 The Oxen Project
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Licensed under the GPLv3: http://www.gnu.org/licenses/gpl-3.0.html
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