AsymmetricAlgorithm.Create Metoda

Definice

Vytvoří kryptografický objekt použitý k provedení asymetrického algoritmu.

Přetížení

Name Description
Create()
Zastaralé.
Zastaralé.

Vytvoří výchozí kryptografický objekt použitý k provedení asymetrického algoritmu.

Create(String)
Zastaralé.

Vytvoří instanci zadané implementace asymetrického algoritmu.

Create()

Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs

Upozornění

The default implementation of this cryptography algorithm is not supported.

Upozornění

The default implementation of this cryptography algorithm is not supported

Vytvoří výchozí kryptografický objekt použitý k provedení asymetrického algoritmu.

public:
 static System::Security::Cryptography::AsymmetricAlgorithm ^ Create();
[System.Obsolete("The default implementation of this cryptography algorithm is not supported.", DiagnosticId="SYSLIB0007", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Security.Cryptography.AsymmetricAlgorithm Create();
[System.Obsolete("The default implementation of this cryptography algorithm is not supported", DiagnosticId="SYSLIB0007", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Security.Cryptography.AsymmetricAlgorithm Create();
public static System.Security.Cryptography.AsymmetricAlgorithm Create();
[<System.Obsolete("The default implementation of this cryptography algorithm is not supported.", DiagnosticId="SYSLIB0007", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member Create : unit -> System.Security.Cryptography.AsymmetricAlgorithm
[<System.Obsolete("The default implementation of this cryptography algorithm is not supported", DiagnosticId="SYSLIB0007", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member Create : unit -> System.Security.Cryptography.AsymmetricAlgorithm
static member Create : unit -> System.Security.Cryptography.AsymmetricAlgorithm
Public Shared Function Create () As AsymmetricAlgorithm

Návraty

Nová RSACryptoServiceProvider instance, pokud nebyla změněna výchozí nastavení s elementem< cryptoClass>.

Atributy

Výjimky

.NET Core 2.0 – 3.1 a .NET 5 a novější: Ve všech případech.

Poznámky

Tato metoda je zastaralá v .NET 5 a novějších verzích.

Příklad

Následující příklad kódu ukazuje, jak implementovat metodu Create v rozšířené třídě. Tento příklad kódu je součástí většího příkladu uvedeného pro třídu AsymmetricAlgorithm.

// The create function attempts to create a CustomCrypto object using
// the assembly name. This functionality requires modification of the
// machine.config file. Add the following section to the configuration
// element and modify the values of the cryptoClass to reflect what is
// installed in your machines GAC.
//        <cryptoClass CustomCrypto="Contoso.CustomCrypto, 
//          CustomCrypto, 
//          Culture=neutral, 
//          PublicKeyToken=fdb9f9c4851028bf, 
//          Version=1.0.1448.27640" />
//      <nameEntry name="Contoso.CustomCrypto" class="CustomCrypto" />
//      <nameEntry name="CustomCrypto" class="CustomCrypto" />
new static public CustomCrypto Create() 
{
    return Create("CustomCrypto");
}
' The create function attempts to create a vbCustomCrypto object using
' the assembly name. This functionality requires modification of the
' machine.config file. Add the following section to the configuration
' element and modify the values of the cryptoClass to reflect what is
' installed in your machines GAC.
'          <cryptoClass vbCustomCrypto="Contoso.vbCustomCrypto, 
'            vbCustomCrypto, 
'            Culture=neutral, 
'            PublicKeyToken=fdb9f9c4851028bf, 
'            Version=1.0.1448.27640" />
'        <nameEntry name="Contoso.vbCustomCrypto" 
'                   class="vbCustomCrypto" />
'        <nameEntry name="vbCustomCrypto" class="vbCustomCrypto" />
Public Shadows Function Create() As vbCustomCrypto
    Return Create("vbCustomCrypto")
End Function

Viz také

Platí pro

Create(String)

Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs
Zdroj:
AsymmetricAlgorithm.cs

Upozornění

Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.

Vytvoří instanci zadané implementace asymetrického algoritmu.

public:
 static System::Security::Cryptography::AsymmetricAlgorithm ^ Create(System::String ^ algName);
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")]
[System.Obsolete("Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.", DiagnosticId="SYSLIB0045", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Security.Cryptography.AsymmetricAlgorithm? Create(string algName);
public static System.Security.Cryptography.AsymmetricAlgorithm? Create(string algName);
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")]
public static System.Security.Cryptography.AsymmetricAlgorithm? Create(string algName);
public static System.Security.Cryptography.AsymmetricAlgorithm Create(string algName);
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")>]
[<System.Obsolete("Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.", DiagnosticId="SYSLIB0045", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member Create : string -> System.Security.Cryptography.AsymmetricAlgorithm
static member Create : string -> System.Security.Cryptography.AsymmetricAlgorithm
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The default algorithm implementations might be removed, use strong type references like 'RSA.Create()' instead.")>]
static member Create : string -> System.Security.Cryptography.AsymmetricAlgorithm
Public Shared Function Create (algName As String) As AsymmetricAlgorithm

Parametry

algName
String

Asymetrická implementace algoritmu, která se má použít. Následující tabulka ukazuje platné hodnoty pro algName parametr a algoritmy, na které se mapují.

Hodnota parametru Implementuje
System.Security.Cryptography.AsymmetricAlgorithm AsymmetricAlgorithm
RSA RSA
System.Security.Cryptography.RSA RSA
DSA DSA
System.Security.Cryptography.DSA DSA
Ecdsa ECDsa
ECDsaCng ECDsaCng
System.Security.Cryptography.ECDsaCng ECDsaCng
ELLIPTIC ECDiffieHellman
Ecdiffiehellman ECDiffieHellman
Ecdiffiehellmancng ECDiffieHellmanCng
System.Security.Cryptography.ECDiffieHellmanCng ECDiffieHellmanCng

Návraty

Nová instance zadané asymetrické implementace algoritmu.

Atributy

Příklady

Následující příklad kódu ukazuje, jak implementovat metodu Create v rozšířené třídě. Tento příklad kódu je součástí většího příkladu uvedeného pro třídu AsymmetricAlgorithm.

// The create function attempts to create a CustomCrypto object using
// the assembly name. This functionality requires modification of the
// machine.config file. Add the following section to the configuration
// element and modify the values of the cryptoClass to reflect what is
// installed in your machines GAC.
//       <cryptoClass CustomCrypto="Contoso.CustomCrypto, 
//         CustomCrypto, 
//         Culture=neutral, 
//         PublicKeyToken=fdb9f9c4851028bf, 
//         Version=1.0.1448.27640" />
//     <nameEntry name="Contoso.CustomCrypto" class="CustomCrypto" />
//     <nameEntry name="CustomCrypto" class="CustomCrypto" />
new static public CustomCrypto Create(String algorithmName) 
{
    return (CustomCrypto) CryptoConfig.CreateFromName(algorithmName);
}
' The create function attempts to create a vbCustomCrypto object using
' the assembly name. This functionality requires modification of the
' machine.config file. Add the following section to the configuration
' element and modify the values of the cryptoClass to reflect what is
' installed in your machines GAC.
'          <cryptoClass vbCustomCrypto="Contoso.vbCustomCrypto, 
'            vbCustomCrypto, 
'            Culture=neutral, 
'            PublicKeyToken=fdb9f9c4851028bf, 
'            Version=1.0.1448.27640" />
'        <nameEntry name="Contoso.vbCustomCrypto" 
'                   class="vbCustomCrypto" />
'        <nameEntry name="vbCustomCrypto" class="vbCustomCrypto" />
Public Shadows Function Create( _
    ByVal algorithmName As String) As vbCustomCrypto

    Return CType( _
        CryptoConfig.CreateFromName(algorithmName), _
        vbCustomCrypto)

End Function

Viz také

Platí pro