The System.Security.Cryptography.Pkcs.SignedCms class enables signing and verifying of CMS/PKCS #7 messages.
See Also: SignedCms Members
The Cryptographic Message Syntax RFC specifies the following MIME types and file name extensions for CMS/PKCS #7 messages with these content types.
| envelopedData |
application/pkcs7-mime |
.p7m |
| signedData |
application/pkcs7-signature |
.p7s.p7c |