BasicSloth

BasicSloth came with the recognition that there needs to be an effect ground communication method for people in unstable situations. BasicSloth attempts to tackle this issue in a few ways including:

  • Using technology which allows for simple PGP encryption and decryption. This allows messages to only be unlocked by those intended.
  • Using cheap radio systems that cost thousands of dollars less than "safe" military methods, which may have more vulnerabilities than our system.
  • Using radios that can be used on a huge variety of frequencies, preventing blockers from hindering the transferring of information.

Implementation

Basic Sloth consists of four main components, which are:

  • Data entry and encryption - This was done using TK for the gui, and Keybase for data encryption.
  • Speech to Text - This was accomplished using Nuance speech to text technology.
  • Sending - This was accomplished using a simple file read of the information input, as well as frequency modulation.
  • Receiving - This was accomplished using GnuRadio, as well as demodulation and 'segmentation'

Thanks

We give a special thanks to the Nuance team for their assistance with speech to text. We also give a large thanks to the FSF and the GnuRadio team for continuing to support open source tools that allowed us to continue this project.

Resources

From Baseband to bitstream US Frequency Allocations

Sloth

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