Version 0.4 of libntru was released May 4, 2015.
Changes since 0.3:
- massive performance improvements
- new Makefile targets for distros (thanks Julian Ospald)
- made the library C++ friendly (thanks Ruben De Smet)
- new functions: ntru_params_from_key_pair() and ntru_params_from_priv_key()
- fixed a memory leak
- fixed parameter values
- fixed data-dependent branches
Download the sources at https://github.com/tbuktu/libntru/releases/tag/0.4.
Or go to the GitHub repo at https://github.com/tbuktu/libntru.