On Wed, Aug 26, 2009 at 09:46:11PM -0400, My List Mail wrote: > Been waiting for a while to see some current encryption added to > openbsd. Surprised it has not been already, and frankly find it weak > that the 'worlds most secure OS' does not have current encryption. Why > is this? > > I use vnconfig for encryption, which uses Blowfish. Blowfish is old, > early 1990's. 64-bit block size. I realize there is no known > cryptanalysis of it out in the public domain. But I would feel safer > using AES (Rijndael), Serpent, or Twofish. Something with a 128-bit > block size (and 256-bit key). Something that is recommended and in use > as a current standard. Even Bruce Schneier, blowfish's creator has > recommended that a stronger cipher be used. > > "At this point, though, I'm amazed it's still being used. If people > ask, I recommend Twofish instead." > from > http://www.computerworld.com.au/article/46254/bruce_almighty_schneier_preaches_security_linux_faithful?pp=1&fp=4194304&fpid=1 > on page 3 of article > > He also recently blogged about some attacks on AES, although none are > effective against all 14 rounds > > What cipher is used to protect confidential information on the SECRET > and TOP SECRET levels? Its not blowfish, its AES-256. > > I love OpenBSD, been using it since 3.3. Bought my 3.6 CD set and a > few t-shirts to support the project (Was surprised to read recently > that t-shirts do not directly support the project. Something else that > needs to be fixed. I know I'll buy more t-shirts, but CD sets are > doubtful) Tried to donate some old mac ppc hardware to support the > project, but never got a response from developers. I want to continue > using it and supporting it. But the operating system that is so > focused on security needs some cipher updates. Options for people to > choose from, not just old blowfish. > > I am writing this because i am torn. On one end, the OS I love, am > familiar with, and includes so many great security features, by > default. On the other end, is this concern about encryption and > openbsd's lack of it. I am considering using any linux flavor, because > they all support AES(Rijndael) as well as the the most popular > finalists for AES, like Serpent and Twofish. I want to use OpenBSD, > but need to use the AES cipher. I do not feel safe with just blowfish. > Blowfish just does not 'cut it' > > Please update the OS to include these new encryption standards. > > If someone can explain why openbsd still only uses blowfish, after all > this time, that would be helpful too. If this is the case, it is time > for me to look for a secure operating system. Something with ciphers > that are current, relevant, and still recommended for use > > J-BSD
If you feel so strongly this is needed, get involved. -Otto