On Mon, 2021-04-19 at 12:02 +0100, Richard W.M. Jones wrote: > On Mon, Apr 19, 2021 at 06:00:38PM +0800, Kairui Song wrote: > > 2. LUKS2 prefers Argon2 as the key derivation function, designed to > > use a lot of memory. kdump is expected to use a minimal amount of > > memory. Users will have to reserve a huge amount of memory for kdump > > to work (eg. 1G reserve for kdump with 4G total memory which is not > > reasonable). > > I'm just going to sympathise with you rather than provide a good > answer here ... We had the same problem in libguestfs where Argon2 > used too much memory for our small appliance when opening LUKS2 disks. > We had to simply increase the amount of memory reserved, which is far > from ideal.
Or you could switch to use PBKDF2, it is still a supported and reasonable option. Simo. -- Simo Sorce RHEL Crypto Team Red Hat, Inc _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
