/// <summary>
/// Create a new AnchorBundle by parsing raw bundle data
/// </summary>
/// <param name="bundleData">Raw bundle data</param>
/// <param name="checkSignatureOnly">If bundle is signed, check signature but don't verify signature cert chain</param>
public AnchorBundle(byte[] bundleData, bool checkSignatureOnly)
{
SignedCms cms = ParseCms(bundleData, checkSignatureOnly);
if (cms != null)
{
this.Certificates = cms.Certificates;
if (cms.HasContent())
{
this.Metadata = ParseMetadata(cms.ContentInfo.Content);
}
}
else
{
this.Certificates = new X509Certificate2Collection();
}
}
/// <summary>
/// Parse raw bundle data into a CMS structure
/// </summary>
/// <param name="bundleData">Array of bytes</param>
/// <param name="checkSignatureOnly">If bundle is signed, check signature but don't verify signature cert chain</param>
/// <returns>The parsed Cms structure</returns>
public static SignedCms ParseCms(byte[] bundleData, bool checkSignatureOnly)
{
if (bundleData.IsNullOrEmpty())
{
throw new ArgumentNullException("bundleData");
}
SignedCms cms = null;
try
{
cms = DecodeDerBundle(bundleData);
}
catch
{
}
if (cms == null)
{
cms = DecodePEMBundle(bundleData);
}
if (!cms.HasSignatures())
{
// No signature. Must assume is already p7b
return(cms);
}
cms.CheckSignature(checkSignatureOnly);
if (!cms.HasContent())
{
return(null);
}
SignedCms p7bCms = new SignedCms();
p7bCms.Decode(cms.ContentInfo.Content);
return(p7bCms);
}