Re: gnome-keyring [RFC 0/2] Use the TPM as a key store for keyring signing keys



On Thu, 2017-01-12 at 07:40 -0800, James Bottomley wrote:
On Thu, 2017-01-12 at 13:06 +0100, Stef Walter wrote:

The thing is we'd like to get out of the business of doing SSH stuff
in
gnome-keyring itself:

https://bugzilla.gnome.org/show_bug.cgi?id=775981

If the above were implemented would it solve your use case?
Not really.  Unfortunately ssh-agent doesn't have a back end store,
so
it insists on having the private keys passed in by ssh-add (which ssh
agent does by the component primes).  This basically makes ssh-agent
incompatible with any hardware based key.  That's not to say it can't
be fixed, but the reason gnome-keyring was the number one target for
this is because the architecture makes it easy.

But ssh-agent does support PKCS#11, so it *can* cope with the concept
of calling an external API and not actually having the component primes
locally...

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