ContactDiscoveryService
neorv32
| ContactDiscoveryService | neorv32 | |
|---|---|---|
| 70 | 77 | |
| 270 | 1,429 | |
| - | - | |
| 0.0 | 9.9 | |
| about 1 year ago | 4 days ago | |
| C | C | |
| GNU Affero General Public License v3.0 | BSD 3-clause "New" or "Revised" License |
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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 ?
neorv32
- An example of how to add the A ISA extension's LR/SC operations into an open-source architecture
- NEORV32 - A tiny, customizable and highly extensible MCU-class 32-bit RISC-V microcontroller-like SoC written in platform-independent VHDL
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Recommendations for RISC-V on FPGA
How about NEORV32?
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SUGGEST AN OPEN SOURCE RISC-V CORE DESIGNED IN VERILOG
GitHub - stnolting/neorv32: 🖥️ A tiny, customizable and highly extensible MCU-class 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL. this one is good but is written in VHDL though
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RISCV CPU using PL on Pynq Z2 Development Board
NEORV32 is an open source soft core and very well documented. I would recommend you to take a look at it and play around a bit. And it is certainly possible to have a soft core running on only the PL side without PS interference.
- A tiny 1-Wire controller for FPGAs (in VHDL)
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Anyone want to share some embedded projects they have done?
Maybe not a classic (whatever that means...) project, but I am working (together with others) on a RISC-V microcontroller for FPGAs: https://github.com/stnolting/neorv32
What are some alternatives?
whatsapp-viewer - Small tool to display chats from the Android msgstore.db database (crypt12)
VexRiscv - A FPGA friendly 32 bit RISC-V CPU implementation
TextSecure - A private messenger for Android.
linux-on-litex-vexriscv - Linux on LiteX-VexRiscv
Signal-Server - Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
picoMIPS - picoMIPS processor doing affine transformation
TelegramAndroid - Fork client of Telegram app for Android.
upduino-projects - Various VHDL projects I've worked on for the Upduino v2.0 and v3.0
simplex-chat - SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
chipyard - An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more
simplexmq - ⚙️ SimpleXMQ - A reference implementation of the SimpleX Messaging Protocol for simplex queues over public networks.
lxp32-cpu - A lightweight, open source and FPGA-friendly 32-bit CPU core based on an original instruction set