Creates a new instance of an implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
Overloads Create()Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
Create(ECCurve)Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with a new public/private key-pair generated over the specified curve.
Create(ECParameters)Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with the key described by the specified ECParameters object.
Create(String)Obsolete.
Creates a new instance of the specified implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
Create()Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
public:
static System::Security::Cryptography::ECDiffieHellman ^ Create();[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.ECDiffieHellman Create();public static System.Security.Cryptography.ECDiffieHellman Create();[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member Create : unit -> System.Security.Cryptography.ECDiffieHellmanstatic member Create : unit -> System.Security.Cryptography.ECDiffieHellmanPublic Shared Function Create () As ECDiffieHellmanA new instance of the default implementation of this class.
Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with a new public/private key-pair generated over the specified curve.
public:
static System::Security::Cryptography::ECDiffieHellman ^ Create(System::Security::Cryptography::ECCurve curve);[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.ECDiffieHellman Create(System.Security.Cryptography.ECCurve curve);public static System.Security.Cryptography.ECDiffieHellman Create(System.Security.Cryptography.ECCurve curve);[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member Create : System.Security.Cryptography.ECCurve -> System.Security.Cryptography.ECDiffieHellmanstatic member Create : System.Security.Cryptography.ECCurve -> System.Security.Cryptography.ECDiffieHellmanPublic Shared Function Create (curve As ECCurve) As ECDiffieHellmanThe curve to use to generate a new public/private key-pair.
ReturnsA new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
curve must validate (that is, it must return true when passed to the ECCurve.Validate method.
Characteristic-2 curves are not supported on Windows.
See also Create(ECParameters)Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with the key described by the specified ECParameters object.
public:
static System::Security::Cryptography::ECDiffieHellman ^ Create(System::Security::Cryptography::ECParameters parameters);[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static System.Security.Cryptography.ECDiffieHellman Create(System.Security.Cryptography.ECParameters parameters);public static System.Security.Cryptography.ECDiffieHellman Create(System.Security.Cryptography.ECParameters parameters);[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member Create : System.Security.Cryptography.ECParameters -> System.Security.Cryptography.ECDiffieHellmanstatic member Create : System.Security.Cryptography.ECParameters -> System.Security.Cryptography.ECDiffieHellmanPublic Shared Function Create (parameters As ECParameters) As ECDiffieHellmanThe parameters for the elliptic curve cryptography (ECC) algorithm.
ReturnsA new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
parameters does not validate.
parameters must validate (that is, it must return true) when passed to the ECParameters.Validate method. Parameters over implicit curves are not supported.
Characteristic-2 curves are not supported on Windows.
See also Create(String)Caution
Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.
Creates a new instance of the specified implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm.
public:
static System::Security::Cryptography::ECDiffieHellman ^ Create(System::String ^ algorithm);[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.ECDiffieHellman? Create(string algorithm);public static System.Security.Cryptography.ECDiffieHellman? Create(string algorithm);public static System.Security.Cryptography.ECDiffieHellman Create(string algorithm);[<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.ECDiffieHellmanstatic member Create : string -> System.Security.Cryptography.ECDiffieHellmanPublic Shared Function Create (algorithm As String) As ECDiffieHellmanThe name of an implementation of the ECDH algorithm.
ReturnsA new instance of the specified implementation of this class. If the specified algorithm name does not map to an ECDH implementation, this method returns null.
The algorithm parameter is null.
If you develop your own implementation of an ECDiffieHellman object, you can use the Create(String) method overload to create a custom algorithm string that specifies your implementation.
The algorithm parameter specifies the name of an implementation of the ECDH algorithm. The following strings all refer to the same implementation, which is the only implementation currently supported in the .NET Framework:
"ECDH"
"ECDiffieHellman"
"ECDiffieHellmanCng"
"System.Security.Cryptography.ECDiffieHellmanCng"
You can also provide the name of a custom ECDH implementation for the algorithm parameter. If you do that, the CryptoConfig object will use it to determine whether an ECDH object can be created.
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