The namespace provides functionality intended to work with digital signatures based on the syntax of PKCS #7, specified in RFC 5652.


Class Description
Cms Represents a digital sign created with Cryptographic Message Syntax (CMS) - IETF’s standard for cryptographically protected messages. CMS is based on the syntax of PKCS #7, specified in RFC 5652. Please see for more information.
CmsAttribute Represents a CMS signer info attribute.
CmsCertificate Represents a CMS certificate.
CmsEncapsulatedContent Represents a signed content container, consisting of a content type identifier and the content itself.
CmsPackage Represents a CMS digital signature metadata package.
CmsSigner Represents CMS per-signer information.
Oid Represents an object identifier (OID). An identifier mechanism standardized by the International Telecommunications Union (ITU) and ISO/IEC for naming any object, concept, or “thing” with a globally unambiguous persistent name.