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HMACSHA384.ProduceLegacyHmacValues Property

Provides a workaround for the .NET Framework 2.0 implementation of the HMACSHA384 algorithm, which is inconsistent with the .NET Framework 2.0 Service Pack 1 implementation of the algorithm.

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

member ProduceLegacyHmacValues : bool with get, set

Property Value

Type: System.Boolean
true to enable .NET Framework 2.0 Service Pack 1 applications to interact with .NET Framework 2.0 applications; otherwise, false.

The purpose of the ProduceLegacyHmacValues Boolean property is to enable .NET Framework 2.0 Service Pack 1 applications to interact with .NET Framework 2.0 applications. When you set this property to true, the HMACSHA384 object produces values that match the values produced by the .NET Framework 2.0. You should set this property only once after you create your HMAC object. You will need to reset your key afterwards, as shown in the following example.

public static void Test()
    HMACSHA384 hmac = new HMACSHA384();
    hmac.ProduceLegacyHmacValues = true;
    hmac.Key = // ...Get the HMAC key.
    // ...
    // Use the HMAC algorithm.
    // ...

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5 SP1, 3.0 SP1, 2.0 SP1

.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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