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HMAC.Create Method

Creates an instance of the default implementation of a Hash-based Message Authentication Code (HMAC).

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

static member Create : unit -> HMAC

Return Value

Type: System.Security.Cryptography.HMAC
A new SHA-1 instance, unless the default settings have been changed by using the <cryptoClass> element.

By default, this overload uses the SHA-1 implementation of HMAC. If you want to specify a different implementation, use the Create(String) overload, which lets you specify an algorithm name, instead.

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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