Yes, the smime utility is the legacy one. However it is not deprecated. There was a suggestion to unify the CMS and SMIME code, but that is work for future. On Thu, 2023-02-02 at 19:21 -0600, Patrick Herbst wrote: > I have an application need to send signed data. I'd like to use one > of the container formats, but I'm not sure how to decide between > openssl's SMIME or CMS utility. > > What is the recommendation on the usage of these? Is one legacy? > > Thanks > -- Tomáš Mráz, OpenSSL