/**
* Build and validate a CertPath using the given parameter.
*
* @param params PKIXBuilderParameters object containing all information to
* build the CertPath
*/
public virtual PkixCertPathBuilderResult Build(
PkixBuilderParameters pkixParams)
{
// search target certificates
IX509Selector certSelect = pkixParams.GetTargetCertConstraints();
if (!(certSelect is X509CertStoreSelector))
{
throw new PkixCertPathBuilderException(
"TargetConstraints must be an instance of "
+ typeof(X509CertStoreSelector).FullName + " for "
+ BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(this) + " class.");
}
ISet targets = new HashSet();
try
{
targets.AddAll(PkixCertPathValidatorUtilities.FindCertificates((X509CertStoreSelector)certSelect, pkixParams.GetStores()));
// TODO Should this include an entry for pkixParams.GetAdditionalStores() too?
}
catch (Exception e)
{
throw new PkixCertPathBuilderException(
"Error finding target certificate.", e);
}
if (targets.IsEmpty)
{
throw new PkixCertPathBuilderException("No certificate found matching targetContraints.");
}
PkixCertPathBuilderResult result = null;
IList certPathList = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList();
// check all potential target certificates
foreach (X509Certificate cert in targets)
{
result = Build(cert, pkixParams, certPathList);
if (result != null)
{
break;
}
}
if (result == null && certPathException != null)
{
throw new PkixCertPathBuilderException(certPathException.Message, certPathException.InnerException);
}
if (result == null && certPathException == null)
{
throw new PkixCertPathBuilderException("Unable to find certificate chain.");
}
return(result);
}
