AsymmetricAlgorithm.Create Método
Definição
Importante
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Cria um objeto criptográfico usado para executar o algoritmo assimétrico.
Sobrecargas
Create() |
Obsoleto.
Obsoleto.
Cria um objeto criptográfico padrão usado para executar o algoritmo assimétrico. |
Create(String) |
Cria uma instância da implementação especificada de um algoritmo assimétrico. |
Create()
Cuidado
The default implementation of this cryptography algorithm is not supported
Cuidado
The default implementation of this cryptography algorithm is not supported.
Cria um objeto criptográfico padrão usado para executar o algoritmo assimétrico.
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
Retornos
Uma nova instância RSACryptoServiceProvider, a menos que as configurações padrão tenham sido alteradas com o elemento <cryptoClass>.
- Atributos
Exceções
.NET Core 2.0 – 3.1 e .NET 5 e posterior: em todos os casos.
Comentários
Esse método é obsoleto no .NET 5 e versões posteriores.
Exemplo
O exemplo de código a seguir demonstra como implementar o Create método em uma classe estendida. Este exemplo de código faz parte de um exemplo maior fornecido para a AsymmetricAlgorithm classe.
// 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 isinstalled
// 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" />
public:
static CustomCrypto^ Create()
{
return Create("CustomCrypto");
}
// 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
Confira também
Aplica-se a
Create(String)
Cria uma instância da implementação especificada de um algoritmo assimétrico.
public:
static System::Security::Cryptography::AsymmetricAlgorithm ^ Create(System::String ^ algName);
public static System.Security.Cryptography.AsymmetricAlgorithm? Create (string algName);
public static System.Security.Cryptography.AsymmetricAlgorithm Create (string algName);
static member Create : string -> System.Security.Cryptography.AsymmetricAlgorithm
Public Shared Function Create (algName As String) As AsymmetricAlgorithm
Parâmetros
- algName
- String
A implementação do algoritmo assimétrico a ser usada. A tabela a seguir mostra os valores válidos para o parâmetro algName
e os algoritmos para os quais são mapeados.
Valor do parâmetro | Implements |
---|---|
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 |
ECDH | ECDiffieHellman |
ECDiffieHellman | ECDiffieHellman |
ECDiffieHellmanCng | ECDiffieHellmanCng |
System.Security.Cryptography.ECDiffieHellmanCng | ECDiffieHellmanCng |
Retornos
Uma nova instância da implementação do algoritmo assimétrico especificada.
Exemplos
O exemplo de código a seguir demonstra como implementar o Create método em uma classe estendida. Este exemplo de código faz parte de um exemplo maior fornecido para a AsymmetricAlgorithm classe.
// 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" />
public:
static CustomCrypto^ Create(String^ algorithmName)
{
return (CustomCrypto^)
CryptoConfig::CreateFromName(algorithmName);
}
// 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