/// <summary>
/// Retrns the certificates for a subjectName.
/// </summary>
/// <param name="subjectName">The subject name to lookup for certificates</param>
/// <returns>The <see cref="X509Certificate2Collection"/> for the subject, or <c>null</c>
/// if none are found.</returns>
public X509Certificate2Collection this[string subjectName]
{
get
{
CertificateDictionary index = m_certIndex;
X509Certificate2Collection matches;
if (!index.TryGetValue(subjectName, out matches))
{
matches = null;
}
return(matches);
}
}
CertificateDictionary Load(IEnumerable <X509Certificate2> certs)
{
CertificateDictionary certIndex = new CertificateDictionary();
if (certs != null)
{
foreach (X509Certificate2 cert in certs)
{
string name = cert.ExtractEmailNameOrName();
X509Certificate2Collection list = null;
if (!certIndex.TryGetValue(name, out list))
{
list = new X509Certificate2Collection();
certIndex[name] = list;
}
list.Add(cert);
}
}
//
// Make the index readonly
//
return(certIndex);
}
/// <summary>
/// Refreshes the index (if the underlying store has changed).
/// </summary>
public void Refresh()
{
CertificateDictionary newIndex = this.Load(m_store);
Interlocked.Exchange(ref m_certIndex, newIndex);
}