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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
/// <summary>
/// Represents an empty SecurityKeyClause. This class is used when an 'encrypted data element' or ' signature element' does
/// not contain a 'key info element' that is used to describe the key required to decrypt the data or check the signature.
/// </summary>
public class EmptySecurityKeyIdentifierClause : SecurityKeyIdentifierClause
{
object _context;
/// <summary>
/// Creates an instance of <see cref="EmptySecurityKeyIdentifierClause"/>
/// </summary>
/// <remarks>This constructor assumes that the user knows how to resolve the key required without any context.</remarks>
public EmptySecurityKeyIdentifierClause()
: this( null )
{
}
/// <summary>
/// Creates an instance of <see cref="EmptySecurityKeyIdentifierClause"/>
/// </summary>
/// <param name="context">Used to provide a hint when there is a need resolve an empty clause to a particular key.
/// In the case of Saml11 and Saml2 tokens that have signatures without KeyInfo,
/// this clause will contain the assertion that is currently being processed.</param>
public EmptySecurityKeyIdentifierClause( object context )
: base( typeof( EmptySecurityKeyIdentifierClause ).ToString() )
{
_context = context;
}
/// <summary>
/// Used to provide a hint when there is a need to resolve to a particular key.
/// In the case of Saml11 and Saml2 tokens that have signatures without KeyInfo,
/// this will contain the assertion that is currently being processed.
/// </summary>
public object Context
{
get { return _context; }
}
}
}
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