ECDiffieHellmanCngPublicKey.FromXmlString(String) 方法

定義

命名空間:

System.Security.Cryptography

組件:

System.Security.Cryptography.dll

來源:

Cng.NotSupported.cs

警告

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.

將 XML 字串轉換成 ECDiffieHellmanCngPublicKey 物件。

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

參數

xml

String

包含 Elliptic Curve Diffie-Hellman (ECDH) 金鑰的 XML 字串。

傳回

ECDiffieHellmanCngPublicKey

包含由提供的 XML 所指定 ECDH 公開金鑰的物件。

屬性

ObsoleteAttribute

例外狀況

ArgumentNullException

xml 參數為 null。

ArgumentException

xml 參數未指定 ECDiffieHellman 金鑰。

PlatformNotSupportedException

.NET Core 和 .NET 5+：在所有情況下。

備註

這個靜態方法會在所有 ECDiffieHellmanCngPublicKey 實例之間共用。