[guardian-dev] GilgaMesh (was Re: FireChat moved off iOS proprietary mesh to their own xp mesh protocol?)

[ghostlands at hush.com]

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Sorry to interject this so late in the thread,

Has anyone (Nathan?) seen or looked at SplinterNet? Development
seems to have stalled, but even though the interface is a bit
confusing, the app works. On the user end at least it seems very
similar to what is being built in GilgaMesh.

https://github.com/megamattron/SplinterNet

https://play.google.com/store/apps/details?id=com.larvalabs.sneaker&
hl=en

~gl


On Wed, 01 Oct 2014 19:56:14 +0100 "Nathan of Guardian"
<nathan at guardianproject.info> wrote:
>https://github.com/n8fr8/gilgamesh/blob/master/README.md
>
>Some notes on the implementation, aka the glorious hack of
>Bluetooth
>Device Names. This application was original based on the Android
>SDK
>BluetoothChat sample. It used insecure (unpaired) and secure
>(paired)
>Bluetooth RFComm sockets to allow for short messages to be sent
>between
>devices. The primary modification that this project has made has
>been to
>add support for a "Broadcast" mode, that uses the Bluetooth device
>name,
>that is public visible during the Discovery process, as the
>message
>transport itself.
>
>The design goals of this project are:
>
>A truly decentralised application that requires only Bluetooth
>connectivity and has no central user registry
>Incredible ease of use that ensures all "mesh" connectivity
>happens with
>as little user involvment as possible
>Ability to enable trust or reputation for specific users or
>devices you
>message with
>A very transient app that stores no data permanently
>Ability to share the app easily between devices
>A "fire and forget" mode, where the user can enter a message, put
>the
>phone in their pocket, and walk around and area and have it
>broadcast to
>all devices it encounters
>The key innovations/hacks/revelations that led us to this point
>were:
>
>As of recent Android versions, you can call an API to set your the
>device's Bluetooth visibility to a very long time ~1 hour
>You can dynamically change the Bluetooth device name, and it can
>be long
>- up to 248 bytes encoded as UTF-8
>That the first two things above could be wrapped mostly in API
>calls the
>user did not have to see or worry about
>Finally, some thoughts on security, privacy and reputation:
>
>This app supports both a public broadcast mode, and a private,
>direct
>message mode. It is easy to use to both. The direct message mode
>is
>optionally secured and encrypted at the Bluetooth level if you
>have
>paired with the device/user you are connected with.
>Impersonation is combatted by simplified user id's to a short (6
>character alphanumeric) value, based on the device's unique
>Bluetooth
>ID. This makes them speakable and easy to remember. If someone
>says
>"trust messages from A1BC99" then likely you will be able to
>rememember
>that.
>If you pair with a user (using standard Bluetooth pairing
>settings),
>their userid will be appended with a *, to make it even easier to
>know
>this is someone you should trust
>The app ONLY works in Bluetooth mode, so though is no confusion
>when it
>might be using 3G/4G, Wifi or some other mode, and possibly go
>through a
>centralised server
>The code is open-source, very small, and the entire app is only
>28kb
>making it easy to audit, test and share
>We make it easy to "retweet" a message by long pressing on it,
>which
>enables reputation for something to be built up by multiple people
>resharing it. If the user has paired with the user, you will also
>see
>the * next to the name to further indicate trust.
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