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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.IdentityModel.Selectors
{
using System;
using System.Security.Cryptography;
internal class InfoCardRSAOAEPKeyExchangeFormatter : RSAOAEPKeyExchangeFormatter
{
private RSA m_rsaKey;
//
// public constructors
//
public InfoCardRSAOAEPKeyExchangeFormatter() : base() { }
public InfoCardRSAOAEPKeyExchangeFormatter(AsymmetricAlgorithm key)
: base(key)
{
m_rsaKey = (RSA)key;
}
//
// public methods
//
public override void SetKey(AsymmetricAlgorithm key)
{
base.SetKey(key);
m_rsaKey = (RSA)key;
}
public override byte[] CreateKeyExchange(byte[] rgbData)
{
if (null != m_rsaKey && m_rsaKey is InfoCardRSACryptoProvider)
{
return ((InfoCardRSACryptoProvider)m_rsaKey).Encrypt(rgbData, true);
}
else
{
return base.CreateKeyExchange(rgbData);
}
}
}
}
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