On 06/05/15 01:38, Jon Paine wrote: > I'm a new user running tarsnap on Win7 with Cygwin. > > I work in Infosec / network security and am interested in where the entropy > sources are coming from and how "good" they are, as this is a hot topic > post-snowden. > > The answer is in the source code, I guess; but I am not a developer.
Yes, in libcperciva/util/entropy.c: Bits come from /dev/urandom. How exactly that's implemented on cygwin, I have no idea though. > The answer might be a good addition for the FAQ...? In 8 years I think you're the first person to ask this, so it's definitely not a frequently asked question yet! -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
