Cryptographic Message Syntax (CMS)

Evidence Record Syntax (ERS)

“…It is necessary to standardize the data formats and processing procedures for such timestamps in order to be able to verify and communicate preservation evidence. A first approach was made by IETF within [RFC3126], where an optional Archive Timestamp Attribute was specified for integration in signatures according to the Cryptographic Messages Syntax (CMS) [RFC3852].…”

Enhanced Methods in Computer Security, Biometric and Artificial Intelligence Systems

“…according to CMS requirements [CMS02]. To obtain a higher assurance level a user should digitally sign all information (requests), e.g.…”

PKCS #9: Selected Object Classes and Attribute Types Version 2.0

“…The contentType field, which has type OBJECT IDENTIFIER, specifies the content type, and the content field, whose type is defined by the contentType field, contains the content value. This type is defined in [14] and [3].…”

“…This document defines two new auxiliary object classes, pkcsEntity and naturalPerson, and selected attribute types for use with these classes. It also defines some attribute types for use in conjunction with PKCS #7 [14] (and S/MIME CMS [3]) digitally signed messages, PKCS #10 [16] certificate-signing requests, PKCS #12 [17] personal information exchanges and PKCS #15 [18] cryptographic tokens. Matching rules for use with these attributes are also defined, whenever necessary.…”