> On 18 Jan 2024, at 00:24, Michael Nolan <htfoot@xxxxxxxxx> wrote: > > Sorry for the delay in responding, network issues kept me offline for > several days. > > These are the openssl packages installed from the Almalinux 9 repositories: > > apr-util-openssl.x86_64 1.6.1-23.el9 @appstream > openssl.x86_64 1:3.0.7-24.el9 @anaconda > openssl-devel.x86_64 1:3.0.7-24.el9 @appstream > openssl-libs.x86_64 1:3.0.7-24.el9 @anaconda > > I reinstalled the devel package, still get the same unresolved symbol error. My memory is failing me, but isn't CAST5 only available when loading the legacy provider in OpenSSL 3? Which providers are loaded in your openssl config? -- Daniel Gustafsson