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It would be nice if we could say something about the relationship between RFC5652 CMS and ANSI X9.73. As far as I can tell the ANSI spec is a fork of RFC3369, an earlier version of IETF CMS.

A brief glance shows they are very similar, e.g. the same layout of SignedData (RFC5652 s5.1, X9.73 s6.2.1) is very similar but there are some differences in detail (e.g. Version vs CMSVersion). Ewx (talk) 10:33, 31 August 2022 (UTC)[reply]