Re: IMA and PQC

[Coiby Xu]

On Fri, Jan 30, 2026 at 02:10:21PM +0000, David Howells wrote:

Coiby Xu <c...@redhat.com> wrote:

Take latest fresh CentOS Stream 10 x86_64 KVM guest as example, without any
file system optimization, extra ~189MB disk space is needed if all files in
/usr signed using by ML-DSA-65 where the disk size is 50G.

Is that storing raw signatures rather than PKCS#7 wrapped signatures?

Yes, it's storing raw signatures + per ~20 bytes overhead including the
4-byte key ID.

David

--
Best regards,
Coiby