Pkcs9MessageDigest Class
The Pkcs9MessageDigest class defines the message digest of a CMS/PKCS #7 message.
Assembly: System.Security (in System.Security.dll)
A Pkcs9MessageDigest object will be automatically generated and placed in the SignerInfo.SignedAttributes property whenever the CmsSigner.SignedAttributes property for the corresponding signer is not empty.
System.Security.Cryptography.AsnEncodedData
System.Security.Cryptography.Pkcs.Pkcs9AttributeObject
System.Security.Cryptography.Pkcs.Pkcs9MessageDigest
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.