I created a new thread for the bounty CFB announced so it's easy to see who's working on it and what needs to be done:
https://bitcointalk.org/index.php?topic=404321.new#new. Please post there if you're interested in working on it.
Bounty announcement
100'000 NXT will be paid for working JavaScript code that signs and verifies signatures using NRS algo.
- The licence must allow to use the code in any application
- Sign/verify speed must be not lower than 100 signatures per second on a 1 GHz CPU (1 core)
- All the code must be in a single non-obfuscated well-formatted .js file
- Input/output values must be strings like "8302504e4e57c6c65335289879c6915a273d3aae7bd086058e403fcd2bc18341"
The bounty is valid till the 20th of January, 2014 12:00:00 UTC. The complete code must be published in this thread.