https://app.knowbase.one/vault/rfc/docid/6758
RFC6211: Cryptographic Message Syntax (CMS) Algorithm Identifier Protection Attribute
Internet Engineering Task Force (IETF) J. Schaad Request for Comments: 6211 Soaring Hawk Consulting Category: Standards Track April 2011 ISSN: 2070-1721 Cryptographic Message Syntax (CMS) ...