ECDiffieHellmanCngPublicKey.FromXmlString(String) Méthode

Définition

Espace de noms:

System.Security.Cryptography

Assembly:

System.Security.Cryptography.dll

Source:

Cng.NotSupported.cs

Attention

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.

Convertit une chaîne XML en un objet ECDiffieHellmanCngPublicKey.

public:
 static System::Security::Cryptography::ECDiffieHellmanCngPublicKey ^ FromXmlString(System::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.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

Public Shared Function FromXmlString (xml As String) As ECDiffieHellmanCngPublicKey

Paramètres

xml

String

Chaîne XML qui contient une clé ECDH (Elliptic Curve Diffie-Hellman).

Retours

ECDiffieHellmanCngPublicKey

Objet qui contient la clé publique ECDH spécifiée par le XML donné.

Attributs

ObsoleteAttribute

Exceptions

ArgumentNullException

Le paramètre xml a la valeur null.

ArgumentException

Le paramètre xml ne spécifie pas une clé ECDiffieHellman.

PlatformNotSupportedException

.NET Core et .NET 5+ : dans tous les cas.

Remarques

Cette méthode statique est partagée entre toutes les ECDiffieHellmanCngPublicKey instances.