On Sun, Jul 09, 2006 at 05:34:12PM +0200, Peter Philipp wrote: > Hi, > > I'm looking for a stream cipher in the kernel that is fairly secure. Does it > exist? Alternatively I'm looking for a block cipher that does CFB > (Cipher Feedback Mode). There is a prototype stub for DES CFB in > /sys/crypto/des.h but I don't see a des.c file in the 3.9 sources, is it taken > out of a userland library?
The kernel includes quite a bit of crypto, though I'm not sure how to get at all of it - but svnd(4) uses Blowfish, and ipsec(4) uses almost all of the well-known block algorithms. What are you trying to do? Joachim