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SessionSecurityTokenHandler.ApplyTransforms Method

.NET Framework 4.5

Applies the transforms specified by the Transforms property to either encode or decode the specified cookie.

Namespace:  System.IdentityModel.Tokens
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

protected virtual byte[] ApplyTransforms(
	byte[] cookie,
	bool outbound


Type: System.Byte[]

The cookie that will be transformed.

Type: System.Boolean

true if the cookie should be encoded; false if the cookie should be decoded.

Return Value

Type: System.Byte[]
The encoded or decoded cookie.


The Transforms property is null.

When encoding a cookie transforms are applied in the order in which they appear in the Transforms property. When decoding a cookie, they are applied in the reverse order.

Called from the WriteToken and methods to encode and decode the cookie material.

.NET Framework

Supported in: 4.6, 4.5

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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