Re: [PATCH 00/23] Crypto keys and module signing

[David Howells]

Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> wrote:

> As the signature would be stored as an extended attribute, we wouldn't
> need to pass it.  Unfortunately not all filesystems have xattr support,
> nor do all of the package installation mechanims.  The benefit of
> storing the signature as an extended attribute, however, is that there
> is a consistent mechanism for verifying file data integrity for all
> files, not only ELF.

We also want to be able to do module signature verification with CONFIG_IMA=n.

David
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