On Wed, Nov 08, 2017 at 08:17:12PM +0000, David Howells wrote: > Eric Biggers <ebigge...@gmail.com> wrote: > > > This probably should be grouped with my series "crypto: dh - input > > validation > > fixes", as this is also a fix for Diffie-Hellman. I was actually expecting > > Herbert Xu to take these patches, as Diffie-Hellman is now part of the > > crypto > > API (crypto/dh.c); none of the patches actually touch security/keys/. > > Fine by me. > > > If you'd like to maintain the Diffie-Hellman implementation(s) you should > > get yourself added to MAINTAINERS for the relevant files. > > It touches the MPI lib, though, so it also potentially affects RSA and stuff, > which is why I introduced it to the kernel originally. >
True, mpi_powm() might also be reachable by adding a key of type "asymmetric", in which case this fix would need to go to older kernels than v4.12. If I have a chance I'll see if I can find a reproducer. Eric
