Re: [PATCH 0/8] MODSIGN: Use PKCS#7 for module signatures [ver #4]

[David Howells]

Luis R. Rodriguez <mcgrof@xxxxxxxx> wrote:

> > This is similar to what i am doing right now - create CA hierarchy so we can 
> > have something like:
> > 
> >                                +-> KeyB
> >                                |
> > RootCA --->  CertA ---> CertB ---> CertC ---> KeyC
> >                     |
> >                     +-> CertA' ---> KeyA"
> 
> How exactly do you go about uploading CertB to the kernel BTW?

Assuming RootCA or CertA is present in the kernel, the idea would be to use
the add_key() system call or the request_key() mechanism to add the key to the
system keyring.  The key in the cert would only be added to the keyring if it
is trusted by a key already there.

David
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