ECDiffieHellmanCngPublicKey.FromXmlString(String) Method

Reference

Definition

Namespace:: System.Security.Cryptography

Assembly:: System.Security.Cryptography.Cng.dll

Assembly:: System.Security.Cryptography.dll

Assembly:: System.Core.dll

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Caution

ToXmlString and FromXmlString have no implementation for ECC types, and are obsolete. Use a standard import and export format such as ExportSubjectPublicKeyInfo or ImportSubjectPublicKeyInfo for public keys and ExportPkcs8PrivateKey or ImportPkcs8PrivateKey for private keys.

Converts an XML string to an ECDiffieHellmanCngPublicKey object.

public:
 static System::Security::Cryptography::ECDiffieHellmanCngPublicKey ^ FromXmlString(System::String ^ xml);

public static System.Security.Cryptography.ECDiffieHellmanCngPublicKey FromXmlString (string xml);

[System.Obsolete("ToXmlString and FromXmlString have no implementation for ECC types, and are obsolete. Use a standard import and export format such as ExportSubjectPublicKeyInfo or ImportSubjectPublicKeyInfo for public keys and ExportPkcs8PrivateKey or ImportPkcs8PrivateKey for private keys.", DiagnosticId="SYSLIB0042", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Security.Cryptography.ECDiffieHellmanCngPublicKey FromXmlString (string xml);

[System.Security.SecurityCritical]
public static System.Security.Cryptography.ECDiffieHellmanCngPublicKey FromXmlString (string xml);

static member FromXmlString : string -> System.Security.Cryptography.ECDiffieHellmanCngPublicKey

[<System.Obsolete("ToXmlString and FromXmlString have no implementation for ECC types, and are obsolete. Use a standard import and export format such as ExportSubjectPublicKeyInfo or ImportSubjectPublicKeyInfo for public keys and ExportPkcs8PrivateKey or ImportPkcs8PrivateKey for private keys.", DiagnosticId="SYSLIB0042", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member FromXmlString : string -> System.Security.Cryptography.ECDiffieHellmanCngPublicKey

[<System.Security.SecurityCritical>]
static member FromXmlString : string -> System.Security.Cryptography.ECDiffieHellmanCngPublicKey

Public Shared Function FromXmlString (xml As String) As ECDiffieHellmanCngPublicKey

Parameters

xml: String

An XML string that contains an Elliptic Curve Diffie-Hellman (ECDH) key.

Returns

ECDiffieHellmanCngPublicKey

An object that contains the ECDH public key that is specified by the given XML.

Attributes: ObsoleteAttribute SecurityCriticalAttribute

Exceptions

ArgumentNullException

The xml parameter is null.

ArgumentException

The xml parameter does not specify an ECDiffieHellman key.

PlatformNotSupportedException

.NET Core and .NET 5+: In all cases.

Remarks

This static method is shared among all ECDiffieHellmanCngPublicKey instances.

Applies to