Re: [Keyrings] Re: [PATCH 01/04] Add multi-precision-integer mathslibrary

[Trond Myklebust]

On Fri, 2006-01-27 at 18:35 -0500, Kyle Moffett wrote:

> No, the point is not to put the backup daemon into the kernel, but to  
> provide a way for the backup daemon and my user process to  
> communicate DSA key details without completely giving the backup  
> daemon my key.  I may not entirely trust the backup daemon not to get  
> compromised, but with support for the kernel keyring system,  
> compromising the backup daemon would only compromise the backed up  
> files, not the private keys and other secure data.

This sort of thing is implemented routinely in user space by means of
proxy tickets/certificates/credentials. What makes them insufficient for
this use?

Cheers,
  Trond

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