On Wed, 14 Feb 2007 19:09:38 +0000 David Howells <[EMAIL PROTECTED]> wrote:
> These patches provide a GPG-based kernel module signing facility. Their use > is > not fully automated within the confines of the kernel build process because it > needs provision of keys from outside of the kernel before the kernel can be > compiled. > > The patches are: > > (1) A cut-down MPI library derived from GPG with error handling added. > > (2) Permit hash algorithms to hash kernel data defined by a virtual address > and a length rather than trying to use scattergather lists (which require > struct page pointers to be determined). > > (3) Add extra information to the per-arch ELF headers to more fully describe > the format of the ELF metadata. > > (4) Add module verification capabilities, including ELF metadata > verification. > > (5) Add a generic DSA signature checker. Given a SHA1 hash of the data to be > verified and a binary blob holding a GPG signature stream, this verifies > the signature using a built-in ring of public keys. > > (6) Add a module signature checker that applies signature checking to modules > on module load, checking the signature against the ring of public keys > compiled into the kernel. Grand total: 77 files changed, 9681 insertions(+), 10 deletions(-) just to be able to sign modules. Normally I'd collapse writhing in laughter, but.. > These patches have been in use by RHEL and Fedora kernels for years, and so > have been thoroughly tested. so I guess there's an argument for merging them so we can send them back to you guys. But there's also an argument to declare all this gunk a vendor-only thing. How much pain would that cause? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
