public virtual PkixCertPathValidatorResult Validate(PkixCertPath certPath, PkixParameters pkixParams)
{
//IL_002d: Unknown result type (might be due to invalid IL or missing references)
IX509Selector targetConstraints = pkixParams.GetTargetConstraints();
if (!(targetConstraints is X509AttrCertStoreSelector))
{
throw new ArgumentException("TargetConstraints must be an instance of " + typeof(X509AttrCertStoreSelector).get_FullName(), "pkixParams");
}
IX509AttributeCertificate attributeCert = ((X509AttrCertStoreSelector)targetConstraints).AttributeCert;
PkixCertPath holderCertPath = Rfc3281CertPathUtilities.ProcessAttrCert1(attributeCert, pkixParams);
PkixCertPathValidatorResult result = Rfc3281CertPathUtilities.ProcessAttrCert2(certPath, pkixParams);
X509Certificate x509Certificate = (X509Certificate)certPath.Certificates.get_Item(0);
Rfc3281CertPathUtilities.ProcessAttrCert3(x509Certificate, pkixParams);
Rfc3281CertPathUtilities.ProcessAttrCert4(x509Certificate, pkixParams);
Rfc3281CertPathUtilities.ProcessAttrCert5(attributeCert, pkixParams);
Rfc3281CertPathUtilities.ProcessAttrCert7(attributeCert, certPath, holderCertPath, pkixParams);
Rfc3281CertPathUtilities.AdditionalChecks(attributeCert, pkixParams);
global::System.DateTime validCertDateFromValidityModel;
try
{
validCertDateFromValidityModel = PkixCertPathValidatorUtilities.GetValidCertDateFromValidityModel(pkixParams, null, -1);
}
catch (global::System.Exception cause)
{
throw new PkixCertPathValidatorException("Could not get validity date from attribute certificate.", cause);
}
Rfc3281CertPathUtilities.CheckCrls(attributeCert, pkixParams, x509Certificate, validCertDateFromValidityModel, certPath.Certificates);
return(result);
}
/**
* Validates an attribute certificate with the given certificate path.
*
* <p>
* <code>params</code> must be an instance of
* <code>ExtendedPkixParameters</code>.
* </p><p>
* The target constraints in the <code>params</code> must be an
* <code>X509AttrCertStoreSelector</code> with at least the attribute
* certificate criterion set. Obey that also target informations may be
* necessary to correctly validate this attribute certificate.
* </p><p>
* The attribute certificate issuer must be added to the trusted attribute
* issuers with {@link ExtendedPkixParameters#setTrustedACIssuers(Set)}.
* </p>
* @param certPath The certificate path which belongs to the attribute
* certificate issuer public key certificate.
* @param params The PKIX parameters.
* @return A <code>PKIXCertPathValidatorResult</code> of the result of
* validating the <code>certPath</code>.
* @throws InvalidAlgorithmParameterException if <code>params</code> is
* inappropriate for this validator.
* @throws CertPathValidatorException if the verification fails.
*/
public virtual PkixCertPathValidatorResult Validate(
PkixCertPath certPath,
PkixParameters pkixParams)
{
IX509Selector certSelect = pkixParams.GetTargetConstraints();
if (!(certSelect is X509AttrCertStoreSelector))
{
throw new ArgumentException(
"TargetConstraints must be an instance of " + typeof(X509AttrCertStoreSelector).FullName,
"pkixParams");
}
IX509AttributeCertificate attrCert = ((X509AttrCertStoreSelector)certSelect).AttributeCert;
PkixCertPath holderCertPath = Rfc3281CertPathUtilities.ProcessAttrCert1(attrCert, pkixParams);
PkixCertPathValidatorResult result = Rfc3281CertPathUtilities.ProcessAttrCert2(certPath, pkixParams);
X509Certificate issuerCert = (X509Certificate)certPath.Certificates[0];
Rfc3281CertPathUtilities.ProcessAttrCert3(issuerCert, pkixParams);
Rfc3281CertPathUtilities.ProcessAttrCert4(issuerCert, pkixParams);
Rfc3281CertPathUtilities.ProcessAttrCert5(attrCert, pkixParams);
// 6 already done in X509AttrCertStoreSelector
Rfc3281CertPathUtilities.ProcessAttrCert7(attrCert, certPath, holderCertPath, pkixParams);
Rfc3281CertPathUtilities.AdditionalChecks(attrCert, pkixParams);
DateTime date;
try
{
date = PkixCertPathValidatorUtilities.GetValidCertDateFromValidityModel(pkixParams, null, -1);
}
catch (Exception e)
{
throw new PkixCertPathValidatorException(
"Could not get validity date from attribute certificate.", e);
}
Rfc3281CertPathUtilities.CheckCrls(attrCert, pkixParams, issuerCert, date, certPath.Certificates);
return(result);
}
internal static void CheckCrls(IX509AttributeCertificate attrCert, PkixParameters paramsPKIX, X509Certificate issuerCert, DateTime validDate, IList certPathCerts)
{
if (paramsPKIX.IsRevocationEnabled)
{
if (attrCert.GetExtensionValue(X509Extensions.NoRevAvail) == null)
{
CrlDistPoint crlDistPoint = null;
try
{
crlDistPoint = CrlDistPoint.GetInstance(PkixCertPathValidatorUtilities.GetExtensionValue(attrCert, X509Extensions.CrlDistributionPoints));
}
catch (Exception cause)
{
throw new PkixCertPathValidatorException("CRL distribution point extension could not be read.", cause);
}
try
{
PkixCertPathValidatorUtilities.AddAdditionalStoresFromCrlDistributionPoint(crlDistPoint, paramsPKIX);
}
catch (Exception cause2)
{
throw new PkixCertPathValidatorException("No additional CRL locations could be decoded from CRL distribution point extension.", cause2);
}
CertStatus certStatus = new CertStatus();
ReasonsMask reasonsMask = new ReasonsMask();
Exception cause3 = null;
bool flag = false;
if (crlDistPoint != null)
{
DistributionPoint[] array = null;
try
{
array = crlDistPoint.GetDistributionPoints();
}
catch (Exception cause4)
{
throw new PkixCertPathValidatorException("Distribution points could not be read.", cause4);
}
try
{
int num = 0;
while (num < array.Length && certStatus.Status == 11 && !reasonsMask.IsAllReasons)
{
PkixParameters paramsPKIX2 = (PkixParameters)paramsPKIX.Clone();
Rfc3281CertPathUtilities.CheckCrl(array[num], attrCert, paramsPKIX2, validDate, issuerCert, certStatus, reasonsMask, certPathCerts);
flag = true;
num++;
}
}
catch (Exception innerException)
{
cause3 = new Exception("No valid CRL for distribution point found.", innerException);
}
}
if (certStatus.Status == 11 && !reasonsMask.IsAllReasons)
{
try
{
Asn1Object name = null;
try
{
name = new Asn1InputStream(attrCert.Issuer.GetPrincipals()[0].GetEncoded()).ReadObject();
}
catch (Exception innerException2)
{
throw new Exception("Issuer from certificate for CRL could not be reencoded.", innerException2);
}
DistributionPoint dp = new DistributionPoint(new DistributionPointName(0, new GeneralNames(new GeneralName(4, name))), null, null);
PkixParameters paramsPKIX3 = (PkixParameters)paramsPKIX.Clone();
Rfc3281CertPathUtilities.CheckCrl(dp, attrCert, paramsPKIX3, validDate, issuerCert, certStatus, reasonsMask, certPathCerts);
flag = true;
}
catch (Exception innerException3)
{
cause3 = new Exception("No valid CRL for distribution point found.", innerException3);
}
}
if (!flag)
{
throw new PkixCertPathValidatorException("No valid CRL found.", cause3);
}
if (certStatus.Status != 11)
{
string str = certStatus.RevocationDate.Value.ToString("ddd MMM dd HH:mm:ss K yyyy");
string text = "Attribute certificate revocation after " + str;
text = text + ", reason: " + Rfc3280CertPathUtilities.CrlReasons[certStatus.Status];
throw new PkixCertPathValidatorException(text);
}
if (!reasonsMask.IsAllReasons && certStatus.Status == 11)
{
certStatus.Status = 12;
}
if (certStatus.Status == 12)
{
throw new PkixCertPathValidatorException("Attribute certificate status could not be determined.");
}
}
else if (attrCert.GetExtensionValue(X509Extensions.CrlDistributionPoints) != null || attrCert.GetExtensionValue(X509Extensions.AuthorityInfoAccess) != null)
{
throw new PkixCertPathValidatorException("No rev avail extension is set, but also an AC revocation pointer.");
}
}
}