ECDiffieHellmanCngPublicKey.FromXmlString(String) 方法

定义

命名空间:

System.Security.Cryptography

程序集:

System.Security.Cryptography.dll

Source:

Cng.NotSupported.cs

注意

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.

将 XML 字符串转换为 ECDiffieHellmanCngPublicKey 对象。

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

参数

xml

String

一个包含椭圆曲线 Diffie-Hellman (ECDH) 密钥的 XML 字符串。

返回

ECDiffieHellmanCngPublicKey

一个包含 ECDH 公钥的对象，ECDH 公钥由给定的 XML 指定。

属性

ObsoleteAttribute

例外

ArgumentNullException

xml 参数为 null。

ArgumentException

xml 参数未指定 ECDiffieHellman 密钥。

PlatformNotSupportedException

.NET Core 和 .NET 5+：在所有情况下。

注解

此静态方法在所有 ECDiffieHellmanCngPublicKey 实例之间共享。