Log Message:

Replace the RC4 algorithm for generating in-kernel secure random numbers with Chacha20. Keep the API, though, as that is what the other *BSD's have done. Use the boot-time entropy stash (if present) to bootstrap the in-kernel entropy source. Reviewed by: delphij,rwatson Approved by: so(delphij) MFC after: 2 months Relnotes: yes Differential Revision: https://reviews.freebsd.org/D10048 --This line, and those below, will be ignored-- > Description of fields to fill in above: 76 columns --| > PR: If and which Problem Report is related. > Submitted by: If someone else sent in the change. > Reported by: If someone else reported the issue. > Reviewed by: If someone else reviewed your modification. > Approved by: If you needed approval for this commit. > Obtained from: If the change is from a third party. > MFC after: N [day[s]|week[s]|month[s]]. Request a reminder email. > MFH: Ports tree branch name. Request approval for merge. > Relnotes: Set to 'yes' for mention in release notes. > Security: Vulnerability reference (one per line) or description. > Sponsored by: If the change was sponsored by an organization. > Differential Revision: https://reviews.freebsd.org/D### (*full* phabric URL needed). > Empty fields above will be automatically removed.