SignedCms Class
.NET Framework 2.0
Note: This class is new in the .NET Framework version 2.0.
The SignedCms class enables signing and verifying of CMS/PKCS #7 messages.
Namespace: System.Security.Cryptography.Pkcs
Assembly: System.Security (in system.security.dll)
Assembly: System.Security (in system.security.dll)
The Cryptographic Message Syntax RFC specifies the following MIME types and file name extensions for CMS/PKCS #7 messages with these content types.
| Content type | MIME type | Extension |
|---|---|---|
| envelopedData | application/pkcs7-mime | .p7m |
| signedData | application/pkcs7-signature | .p7s.p7c |
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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