bcrypt_pbkdf is a ruby gem implementing bcrypt_pbkdf from OpenBSD. This is currently used by net-ssh to read password encrypted Ed25519 keys.

• The gut of the code is based on OpenBSD's bcrypt_pbkdf.c implementation
• Some ideas/code were taken adopted bcrypt-ruby: https://github.com/codahale/bcrypt-ruby

• http://www.tedunangst.com/flak/post/bcrypt-pbkdf
• http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libutil/bcrypt_pbkdf.c?rev=1.13&content-type=text/x-cvsweb-markup

For windows and osx cross build make sure you checked out the gem source under the home directory and have docker installed.

gem install rake-compiler-dock

bundle exec rake compile
bundle exec rake test
bundle exec rake clean clobber
bundle exec rake gem:all
bundle exec rake release
bundle exec rake gem:release