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CngKey.Create Method (CngAlgorithm)

Creates a CngKey object that can be used with the specified algorithm.

Namespace:  System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)

public static CngKey Create(
	CngAlgorithm algorithm


Type: System.Security.Cryptography.CngAlgorithm

The algorithm that the key will be used with.

Return Value

Type: System.Security.Cryptography.CngKey
An ephemeral key.


algorithm is null.


Cryptography Next Generation (CNG) is not supported on this system.


All other errors.

This overload creates a key without a name, which means that the key is ephemeral (that is, it will not be persisted). It also creates a default CngKeyCreationParameters object that specifies a default CngProvider and other advanced parameters for the key.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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