Mega Code Archive
Gets a certificate from a given store
<![CDATA[
//-----------------------------------------------------------------------------
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
//-----------------------------------------------------------------------------
using System;
using System.Security.Cryptography.X509Certificates;
namespace IssueTracker.Configuration
{
/// <summary>
/// A utility class which helps to retrieve an x509 certificate
/// </summary>
public class CertificateUtil
{
/// <summary>
/// Gets a certificate from a given store.
/// </summary>
/// <param name="name">Certificate Store where to look for the certificate.</param>
/// <param name="location">StoreLocation of the certificate.</param>
/// <param name="subjectName">Distinguished name of the certificate subject name.</param>
/// <returns>Instance of X509Certificate2.</returns>
public static X509Certificate2 GetCertificate(StoreName name, StoreLocation location, string subjectName)
{
X509Store store = new X509Store(name, location);
X509Certificate2Collection certificates = null;
store.Open(OpenFlags.ReadOnly);
try
{
X509Certificate2 result = null;
//
// Every time we call store.Certificates property, a new collection will be returned.
//
certificates = store.Certificates;
for (int i = 0; i < certificates.Count; i++)
{
X509Certificate2 cert = certificates[i];
if (cert.SubjectName.Name.ToLower() == subjectName.ToLower())
{
if (result != null)
throw new ApplicationException(string.Format("There is more than one certificate found for subject Name {0}", subjectName));
result = new X509Certificate2(cert);
}
}
if (result == null)
{
throw new ApplicationException(string.Format("No certificate was found for subject Name {0}", subjectName));
}
return result;
}
finally
{
if (certificates != null)
{
for (int i = 0; i < certificates.Count; i++)
{
X509Certificate2 cert = certificates[i];
cert.Reset();
}
}
store.Close();
}
}
}
}
]]>