Re: IMA and PQC

Coiby Xu
2026-02-03T13:45:29Z

On Fri, Jan 30, 2026 at 02:10:21PM +0000, David Howells wrote:
>Coiby Xu <coxu@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