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ManifestSignatureInformation.VerifySignature Method (ActivationContext, ManifestKinds, X509RevocationFlag, X509RevocationMode)

Gathers and verifies information about the signatures of manifests that belong to a specified activation context and manifest type, and allows certificates to be selected for revocation.

Namespace:  System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)

public static ManifestSignatureInformationCollection VerifySignature(
	ActivationContext application,
	ManifestKinds manifests,
	X509RevocationFlag revocationFlag,
	X509RevocationMode revocationMode


Type: System.ActivationContext
The application context of the manifests. Activation contexts belong to an application and contain multiple manifests.
Type: System.Security.ManifestKinds
The type of manifest. This parameter specifies which manifests in the activation context you want to verify.
Type: System.Security.Cryptography.X509Certificates.X509RevocationFlag
One of the enumeration values that specifies which certificates in the chain are checked for revocation. The default is ExcludeRoot.
Type: System.Security.Cryptography.X509Certificates.X509RevocationMode
Determines whether the X.509 verification should look online for revocation lists.

Return Value

Type: System.Security.Cryptography.ManifestSignatureInformationCollection
A collection that contains a ManifestSignatureInformation object for each manifest that is verified.


The application parameter is null.


A value specified for the revocationFlag or revocationMode parameter is invalid.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.