ContactDiscoveryService
sydent
ContactDiscoveryService | sydent | |
---|---|---|
70 | 712 | |
270 | 283 | |
- | 2.1% | |
0.0 | 6.4 | |
about 1 year ago | 4 days ago | |
C | Python | |
GNU Affero General Public License v3.0 | Apache License 2.0 |
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ContactDiscoveryService
- Is it generally ok to store phone numbers in a firestore database?
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7 Best Open-Source Alternatives To WhatsApp In 2023
[1] https://signal.org/blog/private-contact-discovery/
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WhatsApp data leak: 500M user records for sale
Signal uses SGX for remote attestation, which presumably lets the client verify that the code running on the server is a build of the OSS code and not a modified version. But I don't know the details or if this is reliable.
SGX and remote attestation described here:
https://signal.org/blog/private-contact-discovery/
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WhatsApp data breach sees nearly 500 million user records up for sale
Signal does private contact discovery and the effort they've gone to to do this is quite impressive.
- A brief family story about convincing boomer parents to Signal
- Elon on Signal
- Absolutely Insane "Feature"
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Types of Execution Environments, Attestation and SGX
TEEs have numerous privacy-enhancing applications that may benefit users. One of them is, as discussed earlier, private contact discovery; the Signal application uses a contact discovery service enhanced using Intel SGX, a TEE technology, to protect its users' privacy. A similar application of TEEs is performing malware analysis in a remote cloud service, so that the service may not identify users by the contents of their devices, such as the applications they have installed, especially important as 98.93% of users may be uniquely identified by the list of applications they have installed.
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Twilio Incident: What Signal Users Need to Know
Signal (or, more accurately, one of its predecessors) used to use client-side private set intersection for contact discovery, but this scales poorly [1].
Now they use a solution based on Intel SGX and server-side trusted computing [2].
[1] https://signal.org/blog/contact-discovery/
[2] https://signal.org/blog/private-contact-discovery/
- Where are Signal servers located and how is it safer than Swiss-based Threema ?
sydent
- Discord is nuking Nintendo Switch emulator devs and their entire servers
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Qilin: A Starter Project Template For Every Open Source Project
GitHub Discussions can also be a great place for support as long as these are regularly monitored. Another option along the same lines is Discourse and the Open Source Matrix which is used by quite a few Open Source and community-based projects.
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A man has been swatted 47 times for making a joke about Norm Macdonald
Tangential: the article notes that Telegram is an “encrypted messaging app”. While this is technically true, it's worth keeping in mind that it's not end-to-end encrypted, so it's less secure in that regard than, say, Signal or even WhatsApp. Telegram does have opt-in end-to-end encrypted one-on-one chats, but those are very inconvenient to use.
For a properly encrypted chat app, including group chats (opt-in), try Matrix instead: https://matrix.org/
- Matrix is a decentralized messaging ecosystem worth checking out
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Launching Default End-to-End Encryption on Messenger
I'd love something like the Matrix [0] data model (JSON messages aggregated in an eventually-consistent chatroom CRDT) transmitted over something like simplex for metadata resistance.
[0] https://matrix.org
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Meta is pulling the plug on Messenger chats on Instagram
Trillian mod here. There's this new thing called Beeper, works on matrix.org. It's not as the good old times, but I'm currently using whatsapp, FB messenger, discord, telegram, signal, imessage and a few more. It's not Cerulean experience, but it's... slowly improving.
- Show HN: Beeper Mini – iMessage Client for Android
- Um pouco da realidade de Copacabana - principalmente aos finais de semana
- O Fazueli está destruindo o Sul do Brasil
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Connect to Element One in Element X?
I'm trying to change my account provider from "matrix.org" to whatever Element One needs, and for the life of me I just don't understand what values I have to put where to be able to log in. I tried `element.io`, which takes me to sso.element.io but this doesn't seem like the right thing (no credentials work as I expect.
What are some alternatives?
whatsapp-viewer - Small tool to display chats from the Android msgstore.db database (crypt12)
matrix-docker-ansible-deploy - 🐳 Matrix (An open network for secure, decentralized communication) server setup using Ansible and Docker
TextSecure - A private messenger for Android.
matrix-synapse - The Matrix Synapse homeserver for Docker / k8s - deprecated, use upstream
Signal-Server - Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
Mattermost - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
TelegramAndroid - Fork client of Telegram app for Android.
apprise-api - A lightweight REST framework that wraps the Apprise Notification Library
simplex-chat - SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
Synapse - Synapse: Matrix homeserver written in Python/Twisted.
simplexmq - ⚙️ SimpleXMQ - A reference implementation of the SimpleX Messaging Protocol for simplex queues over public networks.
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