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ECDsa::Create Method (String)

Creates a new instance of the specified implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA).

Namespace:  System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)
public:
static ECDsa^ Create(
	String^ algorithm
)

Parameters

algorithm
Type: System::String

The name of an ECDSA implementation. The following strings all refer to the same implementation, which is the only implementation currently supported in the .NET Framework:

- "ECDsa"

- "ECDsaCng"

- "System.Security.Cryptography.ECDsaCng"

You can also provide the name of a custom ECDSA implementation.

Return Value

Type: System.Security.Cryptography::ECDsa
A new instance of the specified implementation of this class. If the specified algorithm name does not map to an ECDSA implementation, this method returns nullptr.
ExceptionCondition
ArgumentNullException

The algorithm parameter is nullptr.

If you develop your own implementation of an ECDsa object, you can use the Create(String) method overload to create a custom algorithm string that specifies your implementation.

If you specify a custom value for the algorithm parameter, the CryptoConfig object will use it to determine whether an ECDSA object can be created.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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