http://fidoalliance.org/news/MicrosoftAnnounce.pdf FIDO = U2F "Microsoft joining Fido Alliance's Board is a key milestone to reaching the post UN/PW Authentication era of strong Authentication," said Sami Nassar vice president & general manager Authentication, NXP Semiconductors. Stubborn as I am, I will continue my SKS/KeyGen2 effort until the U2F spec is public. After that I will decide if there's anything left to do... Cheers Anders