Messages in this thread | | | Date | Wed, 14 Feb 2007 16:21:38 -0600 | From | Michael Halcrow <> | Subject | Re: [PATCH 0/6] MODSIGN: Kernel module signing |
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On Wed, Feb 14, 2007 at 09:59:37PM +0000, David Howells wrote: > Michael Halcrow <mhalcrow@us.ibm.com> wrote: > > > Right now, eCryptfs just delegates its modular exponentiation > > operations to a userspace daemon. If RSA ever finds its way into the > > kernel, I might tweak eCryptfs to use that instead for some of the > > public key operations. > > Am I right in thinking that RSA uses many of the same MPI lib bits > as DSA?
I would imagine so. Assuming we aren't having to hassle with key generation (eCryptfs takes care of that in userspace), then RSA is, more or less, a^b mod c (mpi_mulpowm() and friends).
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