Types of CMS/PKCS #7 Messages 

CMS/PKCS #7 provides implementations of several protected message types. These message types are known as content types in the standards that define CMS/PKCS #7.

In This Section

The following topics provide information about CMS/PKCS #7 protected message types.

• SignedCms Message
  Provides the SignedCms class to digitally sign messages.

• EnvelopedCms Message
  Provides the EnvelopedCms class to digitally envelope messages.

• Enveloped and Signed CMS/PKCS #7 Message
  Provides the capability of both signing and enveloping a message because protected messages can be nested.