System.Security.Cryptography.X509Certificates Namespace ()

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System.Security.Cryptography.X509Certificates Namespace

The System.Security.Cryptography.X509Certificates namespace contains the common language runtime implementation of the Authenticode X.509 v.3 certificate. This certificate is signed with a private key that uniquely and positively identifies the holder of the certificate.

Classes

	Class	Description
	AuthenticodeSignatureInformation	Provides information about an Authenticode signature for a manifest.
	PublicKey	Represents a certificate's public key information. This class cannot be inherited.
	TimestampInformation	Provides details about the time stamp that was applied to an Authenticode signature for a manifest.
	X500DistinguishedName	Represents the distinguished name of an X509 certificate. This class cannot be inherited.
	X509BasicConstraintsExtension	Defines the constraints set on a certificate. This class cannot be inherited.
	X509Certificate	Provides methods that help you use X.509 v.3 certificates.
	X509Certificate2	Represents an X.509 certificate. This class cannot be inherited.
	X509Certificate2Collection	Represents a collection of X509Certificate2 objects. This class cannot be inherited.
	X509Certificate2Enumerator	Supports a simple iteration over a X509Certificate2Collection object. This class cannot be inherited.
	X509Certificate2UI	Displays user interface dialogs that allow you to select and view X.509 certificates. This class cannot be inherited.
	X509CertificateCollection	Defines a collection that stores X509Certificate objects.
	X509CertificateCollection..::.X509CertificateEnumerator	Enumerates the X509Certificate objects in an X509CertificateCollection.
	X509Chain	Represents a chain-building engine for X509Certificate2 certificates.
	X509ChainElement	Represents an element of an X.509 chain.
	X509ChainElementCollection	Represents a collection of X509ChainElement objects. This class cannot be inherited.
	X509ChainElementEnumerator	Supports a simple iteration over an X509ChainElementCollection. This class cannot be inherited.
	X509ChainPolicy	Represents the chain policy to be applied when building an X509 certificate chain. This class cannot be inherited.
	X509EnhancedKeyUsageExtension	Defines the collection of object identifiers (OIDs) that indicates the applications that use the key. This class cannot be inherited.
	X509Extension	Represents an X509 extension.
	X509ExtensionCollection	Represents a collection of X509Extension objects. This class cannot be inherited.
	X509ExtensionEnumerator	Supports a simple iteration over a X509ExtensionCollection. This class cannot be inherited.
	X509KeyUsageExtension	Defines the usage of a key contained within an X.509 certificate. This class cannot be inherited.
	X509Store	Represents an X.509 store, which is a physical store where certificates are persisted and managed. This class cannot be inherited.
	X509SubjectKeyIdentifierExtension	Defines a string that identifies a certificate's subject key identifier (SKI). This class cannot be inherited.

Structures

	Structure	Description
	X509ChainStatus	Provides a simple structure for storing X509 chain status and error information.

Enumerations

	Enumeration	Description
	OpenFlags	Specifies the way to open the X.509 certificate store.
	StoreLocation	Specifies the location of the X.509 certificate store.
	StoreName	Specifies the name of the X.509 certificate store to open.
	TrustStatus	Identifies the level of trustworthiness that is assigned to the signature for a manifest.
	X500DistinguishedNameFlags	Specifies characteristics of the X.500 distinguished name.
	X509ChainStatusFlags	Defines the status of an X509 chain.
	X509ContentType	Specifies the format of an X.509 certificate.
	X509FindType	Specifies the type of value searched for by the Find method.
	X509IncludeOption	Specifies how much of the X.509 certificate chain should be included in the X.509 data.
	X509KeyStorageFlags	Defines where and how to export the private key of an X.509 certificate.
	X509KeyUsageFlags	Defines how the certificate key can be used. If this value is not defined, the key can be used for any purpose.
	X509NameType	Specifies the type of name the X509 certificate contains.
	X509RevocationFlag	Specifies which X509 certificates in the chain should be checked for revocation.
	X509RevocationMode	Specifies the mode used to check for X509 certificate revocation.
	X509SelectionFlag	Specifies the type of selection requested using the X509Certificate2UI..::.SelectFromCollection method.
	X509SubjectKeyIdentifierHashAlgorithm	Defines the type of hash algorithm to use with the X509SubjectKeyIdentifierExtension class.
	X509VerificationFlags	Specifies conditions under which verification of certificates in the X509 chain should be conducted.

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