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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.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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.

.NET Framework

Supported in: 3.5