public override void PerformTest()
{
TestConstraints(GeneralName.Rfc822Name, testEmail,
testEmailIsConstraint, testEmailIsNotConstraint, email1, email2,
emailunion, emailintersect);
TestConstraints(GeneralName.DnsName, testDNS, testDNSIsConstraint,
testDNSIsNotConstraint, dns1, dns2, dnsunion, dnsintersect);
TestConstraints(GeneralName.DirectoryName, testDN, testDNIsConstraint,
testDNIsNotConstraint, dn1, dn2, dnUnion, dnIntersection);
TestConstraints(GeneralName.UniformResourceIdentifier, testURI,
testURIIsConstraint, testURIIsNotConstraint, uri1, uri2, uriunion,
uriintersect);
TestConstraints(GeneralName.IPAddress, testIP, testIPIsConstraint,
testIPIsNotConstraint, ip1, ip2, ipunion, ipintersect);
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(GeneralName.DirectoryName,
new X509Name(true, "ou=permittedSubtree1, o=Test Certificates 2011, c=US")))));
constraintValidator.checkPermitted(
new GeneralName(GeneralName.DirectoryName,
new X509Name(true, "cn=Valid DN nameConstraints EE Certificate Test1, ou=permittedSubtree1, o=Test Certificates 2011, c=US")));
GeneralName name = new GeneralName(GeneralName.OtherName, new OtherName(new DerObjectIdentifier("1.1"), DerNull.Instance));
GeneralSubtree subtree = new GeneralSubtree(name);
PkixNameConstraintValidator validator = new PkixNameConstraintValidator();
validator.IntersectPermittedSubtree(new DerSequence(subtree));
name = new GeneralName(GeneralName.OtherName, new OtherName(new DerObjectIdentifier("1.1"), DerNull.Instance));
subtree = new GeneralSubtree(name);
validator = new PkixNameConstraintValidator();
validator.IntersectPermittedSubtree(new DerSequence(subtree));
validator.AddExcludedSubtree(subtree);
try
{
validator.checkExcluded(name);
}
catch (PkixNameConstraintValidatorException e)
{
IsEquals("OtherName is from an excluded subtree.", e.Message);
}
try
{
validator.checkPermitted(name);
}
catch (PkixNameConstraintValidatorException e)
{
Fail(e.Message);
}
}
public override bool Equals(object o)
{
if (!(o is PkixNameConstraintValidator))
{
return(false);
}
PkixNameConstraintValidator pkixNameConstraintValidator = (PkixNameConstraintValidator)o;
if (CollectionsAreEqual(pkixNameConstraintValidator.excludedSubtreesDN, excludedSubtreesDN) && CollectionsAreEqual(pkixNameConstraintValidator.excludedSubtreesDNS, excludedSubtreesDNS) && CollectionsAreEqual(pkixNameConstraintValidator.excludedSubtreesEmail, excludedSubtreesEmail) && CollectionsAreEqual(pkixNameConstraintValidator.excludedSubtreesIP, excludedSubtreesIP) && CollectionsAreEqual(pkixNameConstraintValidator.excludedSubtreesURI, excludedSubtreesURI) && CollectionsAreEqual(pkixNameConstraintValidator.permittedSubtreesDN, permittedSubtreesDN) && CollectionsAreEqual(pkixNameConstraintValidator.permittedSubtreesDNS, permittedSubtreesDNS) && CollectionsAreEqual(pkixNameConstraintValidator.permittedSubtreesEmail, permittedSubtreesEmail) && CollectionsAreEqual(pkixNameConstraintValidator.permittedSubtreesIP, permittedSubtreesIP))
{
return(CollectionsAreEqual(pkixNameConstraintValidator.permittedSubtreesURI, permittedSubtreesURI));
}
return(false);
}
public override void PerformTest()
{
TestConstraints(GeneralName.Rfc822Name, testEmail,
testEmailIsConstraint, testEmailIsNotConstraint, email1, email2,
emailunion, emailintersect);
TestConstraints(GeneralName.DnsName, testDNS, testDNSIsConstraint,
testDNSIsNotConstraint, dns1, dns2, dnsunion, dnsintersect);
TestConstraints(GeneralName.DirectoryName, testDN, testDNIsConstraint,
testDNIsNotConstraint, dn1, dn2, dnUnion, dnIntersection);
TestConstraints(GeneralName.UniformResourceIdentifier, testURI,
testURIIsConstraint, testURIIsNotConstraint, uri1, uri2, uriunion,
uriintersect);
TestConstraints(GeneralName.IPAddress, testIP, testIPIsConstraint,
testIPIsNotConstraint, ip1, ip2, ipunion, ipintersect);
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(GeneralName.DirectoryName,
new X509Name(true, "ou=permittedSubtree1, o=Test Certificates 2011, c=US")))));
constraintValidator.checkPermitted(
new GeneralName(GeneralName.DirectoryName,
new X509Name(true, "cn=Valid DN nameConstraints EE Certificate Test1, ou=permittedSubtree1, o=Test Certificates 2011, c=US")));
}
public virtual PkixCertPathValidatorResult Validate(
PkixCertPath certPath,
PkixParameters paramsPkix)
{
if (paramsPkix.GetTrustAnchors() == null)
{
throw new ArgumentException(
"trustAnchors is null, this is not allowed for certification path validation.",
"parameters");
}
//
// 6.1.1 - inputs
//
//
// (a)
//
IList certs = certPath.Certificates;
int n = certs.Count;
if (certs.Count == 0)
{
throw new PkixCertPathValidatorException("Certification path is empty.", null, certPath, 0);
}
//
// (b)
//
// DateTime validDate = PkixCertPathValidatorUtilities.GetValidDate(paramsPkix);
//
// (c)
//
ISet userInitialPolicySet = paramsPkix.GetInitialPolicies();
//
// (d)
//
TrustAnchor trust;
try
{
trust = PkixCertPathValidatorUtilities.FindTrustAnchor(
(X509Certificate)certs[certs.Count - 1],
paramsPkix.GetTrustAnchors());
}
catch (Exception e)
{
throw new PkixCertPathValidatorException(e.Message, e, certPath, certs.Count - 1);
}
if (trust == null)
{
throw new PkixCertPathValidatorException("Trust anchor for certification path not found.", null, certPath, -1);
}
//
// (e), (f), (g) are part of the paramsPkix object.
//
IEnumerator certIter;
int index = 0;
int i;
// Certificate for each interation of the validation loop
// Signature information for each iteration of the validation loop
//
// 6.1.2 - setup
//
//
// (a)
//
IList[] policyNodes = new IList[n + 1];
for (int j = 0; j < policyNodes.Length; j++)
{
policyNodes[j] = Platform.CreateArrayList();
}
ISet policySet = new HashSet();
policySet.Add(Rfc3280CertPathUtilities.ANY_POLICY);
PkixPolicyNode validPolicyTree = new PkixPolicyNode(Platform.CreateArrayList(), 0, policySet, null, new HashSet(),
Rfc3280CertPathUtilities.ANY_POLICY, false);
policyNodes[0].Add(validPolicyTree);
//
// (b) and (c)
//
PkixNameConstraintValidator nameConstraintValidator = new PkixNameConstraintValidator();
// (d)
//
int explicitPolicy;
ISet acceptablePolicies = new HashSet();
if (paramsPkix.IsExplicitPolicyRequired)
{
explicitPolicy = 0;
}
else
{
explicitPolicy = n + 1;
}
//
// (e)
//
int inhibitAnyPolicy;
if (paramsPkix.IsAnyPolicyInhibited)
{
inhibitAnyPolicy = 0;
}
else
{
inhibitAnyPolicy = n + 1;
}
//
// (f)
//
int policyMapping;
if (paramsPkix.IsPolicyMappingInhibited)
{
policyMapping = 0;
}
else
{
policyMapping = n + 1;
}
//
// (g), (h), (i), (j)
//
AsymmetricKeyParameter workingPublicKey;
X509Name workingIssuerName;
X509Certificate sign = trust.TrustedCert;
try
{
if (sign != null)
{
workingIssuerName = sign.SubjectDN;
workingPublicKey = sign.GetPublicKey();
}
else
{
workingIssuerName = new X509Name(trust.CAName);
workingPublicKey = trust.CAPublicKey;
}
}
catch (ArgumentException ex)
{
throw new PkixCertPathValidatorException("Subject of trust anchor could not be (re)encoded.", ex, certPath,
-1);
}
AlgorithmIdentifier workingAlgId = null;
try
{
workingAlgId = PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(workingPublicKey);
}
catch (PkixCertPathValidatorException e)
{
throw new PkixCertPathValidatorException(
"Algorithm identifier of public key of trust anchor could not be read.", e, certPath, -1);
}
// DerObjectIdentifier workingPublicKeyAlgorithm = workingAlgId.ObjectID;
// Asn1Encodable workingPublicKeyParameters = workingAlgId.Parameters;
//
// (k)
//
int maxPathLength = n;
//
// 6.1.3
//
X509CertStoreSelector certConstraints = paramsPkix.GetTargetCertConstraints();
if (certConstraints != null && !certConstraints.Match((X509Certificate)certs[0]))
{
throw new PkixCertPathValidatorException(
"Target certificate in certification path does not match targetConstraints.", null, certPath, 0);
}
//
// initialize CertPathChecker's
//
IList pathCheckers = paramsPkix.GetCertPathCheckers();
certIter = pathCheckers.GetEnumerator();
while (certIter.MoveNext())
{
((PkixCertPathChecker)certIter.Current).Init(false);
}
X509Certificate cert = null;
for (index = certs.Count - 1; index >= 0; index--)
{
// try
// {
//
// i as defined in the algorithm description
//
i = n - index;
//
// set certificate to be checked in this round
// sign and workingPublicKey and workingIssuerName are set
// at the end of the for loop and initialized the
// first time from the TrustAnchor
//
cert = (X509Certificate)certs[index];
//
// 6.1.3
//
Rfc3280CertPathUtilities.ProcessCertA(certPath, paramsPkix, index, workingPublicKey,
workingIssuerName, sign);
Rfc3280CertPathUtilities.ProcessCertBC(certPath, index, nameConstraintValidator);
validPolicyTree = Rfc3280CertPathUtilities.ProcessCertD(certPath, index,
acceptablePolicies, validPolicyTree, policyNodes, inhibitAnyPolicy);
validPolicyTree = Rfc3280CertPathUtilities.ProcessCertE(certPath, index, validPolicyTree);
Rfc3280CertPathUtilities.ProcessCertF(certPath, index, validPolicyTree, explicitPolicy);
//
// 6.1.4
//
if (i != n)
{
if (cert != null && cert.Version == 1)
{
throw new PkixCertPathValidatorException(
"Version 1 certificates can't be used as CA ones.", null, certPath, index);
}
Rfc3280CertPathUtilities.PrepareNextCertA(certPath, index);
validPolicyTree = Rfc3280CertPathUtilities.PrepareCertB(certPath, index, policyNodes,
validPolicyTree, policyMapping);
Rfc3280CertPathUtilities.PrepareNextCertG(certPath, index, nameConstraintValidator);
// (h)
explicitPolicy = Rfc3280CertPathUtilities.PrepareNextCertH1(certPath, index, explicitPolicy);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertH2(certPath, index, policyMapping);
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertH3(certPath, index, inhibitAnyPolicy);
//
// (i)
//
explicitPolicy = Rfc3280CertPathUtilities.PrepareNextCertI1(certPath, index, explicitPolicy);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertI2(certPath, index, policyMapping);
// (j)
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertJ(certPath, index, inhibitAnyPolicy);
// (k)
Rfc3280CertPathUtilities.PrepareNextCertK(certPath, index);
// (l)
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertL(certPath, index, maxPathLength);
// (m)
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertM(certPath, index, maxPathLength);
// (n)
Rfc3280CertPathUtilities.PrepareNextCertN(certPath, index);
ISet criticalExtensions1 = cert.GetCriticalExtensionOids();
if (criticalExtensions1 != null)
{
criticalExtensions1 = new HashSet(criticalExtensions1);
// these extensions are handled by the algorithm
criticalExtensions1.Remove(X509Extensions.KeyUsage.Id);
criticalExtensions1.Remove(X509Extensions.CertificatePolicies.Id);
criticalExtensions1.Remove(X509Extensions.PolicyMappings.Id);
criticalExtensions1.Remove(X509Extensions.InhibitAnyPolicy.Id);
criticalExtensions1.Remove(X509Extensions.IssuingDistributionPoint.Id);
criticalExtensions1.Remove(X509Extensions.DeltaCrlIndicator.Id);
criticalExtensions1.Remove(X509Extensions.PolicyConstraints.Id);
criticalExtensions1.Remove(X509Extensions.BasicConstraints.Id);
criticalExtensions1.Remove(X509Extensions.SubjectAlternativeName.Id);
criticalExtensions1.Remove(X509Extensions.NameConstraints.Id);
}
else
{
criticalExtensions1 = new HashSet();
}
// (o)
Rfc3280CertPathUtilities.PrepareNextCertO(certPath, index, criticalExtensions1, pathCheckers);
// set signing certificate for next round
sign = cert;
// (c)
workingIssuerName = sign.SubjectDN;
// (d)
try
{
workingPublicKey = PkixCertPathValidatorUtilities.GetNextWorkingKey(certPath.Certificates, index);
}
catch (PkixCertPathValidatorException e)
{
throw new PkixCertPathValidatorException("Next working key could not be retrieved.", e, certPath, index);
}
workingAlgId = PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(workingPublicKey);
// (f)
// workingPublicKeyAlgorithm = workingAlgId.ObjectID;
// (e)
// workingPublicKeyParameters = workingAlgId.Parameters;
}
}
//
// 6.1.5 Wrap-up procedure
//
explicitPolicy = Rfc3280CertPathUtilities.WrapupCertA(explicitPolicy, cert);
explicitPolicy = Rfc3280CertPathUtilities.WrapupCertB(certPath, index + 1, explicitPolicy);
//
// (c) (d) and (e) are already done
//
//
// (f)
//
ISet criticalExtensions = cert.GetCriticalExtensionOids();
if (criticalExtensions != null)
{
criticalExtensions = new HashSet(criticalExtensions);
// Requires .Id
// these extensions are handled by the algorithm
criticalExtensions.Remove(X509Extensions.KeyUsage.Id);
criticalExtensions.Remove(X509Extensions.CertificatePolicies.Id);
criticalExtensions.Remove(X509Extensions.PolicyMappings.Id);
criticalExtensions.Remove(X509Extensions.InhibitAnyPolicy.Id);
criticalExtensions.Remove(X509Extensions.IssuingDistributionPoint.Id);
criticalExtensions.Remove(X509Extensions.DeltaCrlIndicator.Id);
criticalExtensions.Remove(X509Extensions.PolicyConstraints.Id);
criticalExtensions.Remove(X509Extensions.BasicConstraints.Id);
criticalExtensions.Remove(X509Extensions.SubjectAlternativeName.Id);
criticalExtensions.Remove(X509Extensions.NameConstraints.Id);
criticalExtensions.Remove(X509Extensions.CrlDistributionPoints.Id);
}
else
{
criticalExtensions = new HashSet();
}
Rfc3280CertPathUtilities.WrapupCertF(certPath, index + 1, pathCheckers, criticalExtensions);
PkixPolicyNode intersection = Rfc3280CertPathUtilities.WrapupCertG(certPath, paramsPkix, userInitialPolicySet,
index + 1, policyNodes, validPolicyTree, acceptablePolicies);
if ((explicitPolicy > 0) || (intersection != null))
{
return(new PkixCertPathValidatorResult(trust, intersection, cert.GetPublicKey()));
}
throw new PkixCertPathValidatorException("Path processing failed on policy.", null, certPath, index);
}
public virtual PkixCertPathValidatorResult Validate(PkixCertPath certPath, PkixParameters paramsPkix)
{
if (paramsPkix.GetTrustAnchors() == null)
{
throw new ArgumentException("trustAnchors is null, this is not allowed for certification path validation.", "parameters");
}
IList certificates = certPath.Certificates;
int count = certificates.Count;
if (certificates.Count == 0)
{
throw new PkixCertPathValidatorException("Certification path is empty.", null, certPath, 0);
}
ISet initialPolicies = paramsPkix.GetInitialPolicies();
TrustAnchor trustAnchor;
try
{
trustAnchor = PkixCertPathValidatorUtilities.FindTrustAnchor((X509Certificate)certificates[certificates.Count - 1], paramsPkix.GetTrustAnchors());
}
catch (Exception ex)
{
throw new PkixCertPathValidatorException(ex.Message, ex, certPath, certificates.Count - 1);
}
if (trustAnchor == null)
{
throw new PkixCertPathValidatorException("Trust anchor for certification path not found.", null, certPath, -1);
}
int i = 0;
IList[] array = new IList[count + 1];
for (int j = 0; j < array.Length; j++)
{
array[j] = Platform.CreateArrayList();
}
ISet set = new HashSet();
set.Add(Rfc3280CertPathUtilities.ANY_POLICY);
PkixPolicyNode pkixPolicyNode = new PkixPolicyNode(Platform.CreateArrayList(), 0, set, null, new HashSet(), Rfc3280CertPathUtilities.ANY_POLICY, false);
array[0].Add(pkixPolicyNode);
PkixNameConstraintValidator nameConstraintValidator = new PkixNameConstraintValidator();
ISet acceptablePolicies = new HashSet();
int num;
if (paramsPkix.IsExplicitPolicyRequired)
{
num = 0;
}
else
{
num = count + 1;
}
int inhibitAnyPolicy;
if (paramsPkix.IsAnyPolicyInhibited)
{
inhibitAnyPolicy = 0;
}
else
{
inhibitAnyPolicy = count + 1;
}
int policyMapping;
if (paramsPkix.IsPolicyMappingInhibited)
{
policyMapping = 0;
}
else
{
policyMapping = count + 1;
}
X509Certificate x509Certificate = trustAnchor.TrustedCert;
X509Name workingIssuerName;
AsymmetricKeyParameter asymmetricKeyParameter;
try
{
if (x509Certificate != null)
{
workingIssuerName = x509Certificate.SubjectDN;
asymmetricKeyParameter = x509Certificate.GetPublicKey();
}
else
{
workingIssuerName = new X509Name(trustAnchor.CAName);
asymmetricKeyParameter = trustAnchor.CAPublicKey;
}
}
catch (ArgumentException cause)
{
throw new PkixCertPathValidatorException("Subject of trust anchor could not be (re)encoded.", cause, certPath, -1);
}
try
{
PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(asymmetricKeyParameter);
}
catch (PkixCertPathValidatorException cause2)
{
throw new PkixCertPathValidatorException("Algorithm identifier of public key of trust anchor could not be read.", cause2, certPath, -1);
}
int maxPathLength = count;
X509CertStoreSelector targetCertConstraints = paramsPkix.GetTargetCertConstraints();
if (targetCertConstraints != null && !targetCertConstraints.Match((X509Certificate)certificates[0]))
{
throw new PkixCertPathValidatorException("Target certificate in certification path does not match targetConstraints.", null, certPath, 0);
}
IList certPathCheckers = paramsPkix.GetCertPathCheckers();
IEnumerator enumerator = certPathCheckers.GetEnumerator();
while (enumerator.MoveNext())
{
((PkixCertPathChecker)enumerator.Current).Init(false);
}
X509Certificate x509Certificate2 = null;
for (i = certificates.Count - 1; i >= 0; i--)
{
int num2 = count - i;
x509Certificate2 = (X509Certificate)certificates[i];
Rfc3280CertPathUtilities.ProcessCertA(certPath, paramsPkix, i, asymmetricKeyParameter, workingIssuerName, x509Certificate);
Rfc3280CertPathUtilities.ProcessCertBC(certPath, i, nameConstraintValidator);
pkixPolicyNode = Rfc3280CertPathUtilities.ProcessCertD(certPath, i, acceptablePolicies, pkixPolicyNode, array, inhibitAnyPolicy);
pkixPolicyNode = Rfc3280CertPathUtilities.ProcessCertE(certPath, i, pkixPolicyNode);
Rfc3280CertPathUtilities.ProcessCertF(certPath, i, pkixPolicyNode, num);
if (num2 != count)
{
if (x509Certificate2 != null && x509Certificate2.Version == 1)
{
throw new PkixCertPathValidatorException("Version 1 certificates can't be used as CA ones.", null, certPath, i);
}
Rfc3280CertPathUtilities.PrepareNextCertA(certPath, i);
pkixPolicyNode = Rfc3280CertPathUtilities.PrepareCertB(certPath, i, array, pkixPolicyNode, policyMapping);
Rfc3280CertPathUtilities.PrepareNextCertG(certPath, i, nameConstraintValidator);
num = Rfc3280CertPathUtilities.PrepareNextCertH1(certPath, i, num);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertH2(certPath, i, policyMapping);
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertH3(certPath, i, inhibitAnyPolicy);
num = Rfc3280CertPathUtilities.PrepareNextCertI1(certPath, i, num);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertI2(certPath, i, policyMapping);
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertJ(certPath, i, inhibitAnyPolicy);
Rfc3280CertPathUtilities.PrepareNextCertK(certPath, i);
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertL(certPath, i, maxPathLength);
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertM(certPath, i, maxPathLength);
Rfc3280CertPathUtilities.PrepareNextCertN(certPath, i);
ISet set2 = x509Certificate2.GetCriticalExtensionOids();
if (set2 != null)
{
set2 = new HashSet(set2);
set2.Remove(X509Extensions.KeyUsage.Id);
set2.Remove(X509Extensions.CertificatePolicies.Id);
set2.Remove(X509Extensions.PolicyMappings.Id);
set2.Remove(X509Extensions.InhibitAnyPolicy.Id);
set2.Remove(X509Extensions.IssuingDistributionPoint.Id);
set2.Remove(X509Extensions.DeltaCrlIndicator.Id);
set2.Remove(X509Extensions.PolicyConstraints.Id);
set2.Remove(X509Extensions.BasicConstraints.Id);
set2.Remove(X509Extensions.SubjectAlternativeName.Id);
set2.Remove(X509Extensions.NameConstraints.Id);
}
else
{
set2 = new HashSet();
}
Rfc3280CertPathUtilities.PrepareNextCertO(certPath, i, set2, certPathCheckers);
x509Certificate = x509Certificate2;
workingIssuerName = x509Certificate.SubjectDN;
try
{
asymmetricKeyParameter = PkixCertPathValidatorUtilities.GetNextWorkingKey(certPath.Certificates, i);
}
catch (PkixCertPathValidatorException cause3)
{
throw new PkixCertPathValidatorException("Next working key could not be retrieved.", cause3, certPath, i);
}
PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(asymmetricKeyParameter);
}
}
num = Rfc3280CertPathUtilities.WrapupCertA(num, x509Certificate2);
num = Rfc3280CertPathUtilities.WrapupCertB(certPath, i + 1, num);
ISet set3 = x509Certificate2.GetCriticalExtensionOids();
if (set3 != null)
{
set3 = new HashSet(set3);
set3.Remove(X509Extensions.KeyUsage.Id);
set3.Remove(X509Extensions.CertificatePolicies.Id);
set3.Remove(X509Extensions.PolicyMappings.Id);
set3.Remove(X509Extensions.InhibitAnyPolicy.Id);
set3.Remove(X509Extensions.IssuingDistributionPoint.Id);
set3.Remove(X509Extensions.DeltaCrlIndicator.Id);
set3.Remove(X509Extensions.PolicyConstraints.Id);
set3.Remove(X509Extensions.BasicConstraints.Id);
set3.Remove(X509Extensions.SubjectAlternativeName.Id);
set3.Remove(X509Extensions.NameConstraints.Id);
set3.Remove(X509Extensions.CrlDistributionPoints.Id);
}
else
{
set3 = new HashSet();
}
Rfc3280CertPathUtilities.WrapupCertF(certPath, i + 1, certPathCheckers, set3);
PkixPolicyNode pkixPolicyNode2 = Rfc3280CertPathUtilities.WrapupCertG(certPath, paramsPkix, initialPolicies, i + 1, array, pkixPolicyNode, acceptablePolicies);
if (num > 0 || pkixPolicyNode2 != null)
{
return(new PkixCertPathValidatorResult(trustAnchor, pkixPolicyNode2, x509Certificate2.GetPublicKey()));
}
throw new PkixCertPathValidatorException("Path processing failed on policy.", null, certPath, i);
}
/**
* Tests byte array based GeneralNames for inclusion or exclusion.
*
* @param nameType The {@link GeneralName} type to test.
* @param testName The name to test.
* @param testNameIsConstraint The names where <code>testName</code> must
* be included and excluded.
* @param testNameIsNotConstraint The names where <code>testName</code>
* must not be excluded and included.
* @param testNames1 Operand 1 of test names to use for union and
* intersection testing.
* @param testNames2 Operand 2 of test names to use for union and
* intersection testing.
* @param testUnion The union results.
* @param testInterSection The intersection results.
* @throws Exception If an unexpected exception occurs.
*/
private void TestConstraints(
int nameType,
byte[] testName,
byte[][] testNameIsConstraint,
byte[][] testNameIsNotConstraint,
byte[][] testNames1,
byte[][] testNames2,
byte[][][] testUnion,
byte[][] testInterSection)
{
for (int i = 0; i < testNameIsConstraint.Length; i++)
{
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(
testNameIsConstraint[i])))));
constraintValidator.checkPermitted(new GeneralName(nameType,
new DerOctetString(testName)));
}
for (int i = 0; i < testNameIsNotConstraint.Length; i++)
{
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(
testNameIsNotConstraint[i])))));
try
{
constraintValidator.checkPermitted(new GeneralName(nameType,
new DerOctetString(testName)));
Fail("not permitted name allowed: " + nameType);
}
catch (PkixNameConstraintValidatorException)
{
// expected
}
}
for (int i = 0; i < testNameIsConstraint.Length; i++)
{
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.AddExcludedSubtree(new GeneralSubtree(new GeneralName(
nameType, new DerOctetString(testNameIsConstraint[i]))));
try
{
constraintValidator.checkExcluded(new GeneralName(nameType,
new DerOctetString(testName)));
Fail("excluded name missed: " + nameType);
}
catch (PkixNameConstraintValidatorException)
{
// expected
}
}
for (int i = 0; i < testNameIsNotConstraint.Length; i++)
{
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.AddExcludedSubtree(new GeneralSubtree(new GeneralName(
nameType, new DerOctetString(testNameIsNotConstraint[i]))));
constraintValidator.checkExcluded(new GeneralName(nameType,
new DerOctetString(testName)));
}
for (int i = 0; i < testNames1.Length; i++)
{
PkixNameConstraintValidator constraintValidator = new PkixNameConstraintValidator();
constraintValidator.AddExcludedSubtree(new GeneralSubtree(new GeneralName(
nameType, new DerOctetString(testNames1[i]))));
constraintValidator.AddExcludedSubtree(new GeneralSubtree(new GeneralName(
nameType, new DerOctetString(testNames2[i]))));
PkixNameConstraintValidator constraints2 = new PkixNameConstraintValidator();
for (int j = 0; j < testUnion[i].Length; j++)
{
constraints2.AddExcludedSubtree(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(
testUnion[i][j]))));
}
if (!constraints2.Equals(constraintValidator))
{
Fail("union wrong: " + nameType);
}
constraintValidator = new PkixNameConstraintValidator();
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(testNames1[i])))));
constraintValidator.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(testNames2[i])))));
constraints2 = new PkixNameConstraintValidator();
if (testInterSection[i] != null)
{
constraints2.IntersectPermittedSubtree(new DerSequence(new GeneralSubtree(
new GeneralName(nameType, new DerOctetString(
testInterSection[i])))));
}
else
{
constraints2.IntersectEmptyPermittedSubtree(nameType);
}
if (!constraints2.Equals(constraintValidator))
{
Fail("intersection wrong: " + nameType);
}
}
}
public virtual PkixCertPathValidatorResult Validate(PkixCertPath certPath, PkixParameters paramsPkix)
{
//IL_0012: Unknown result type (might be due to invalid IL or missing references)
//IL_0170: Expected O, but got Unknown
if (paramsPkix.GetTrustAnchors() == null)
{
throw new ArgumentException("trustAnchors is null, this is not allowed for certification path validation.", "parameters");
}
global::System.Collections.IList certificates = certPath.Certificates;
int count = ((global::System.Collections.ICollection)certificates).get_Count();
if (((global::System.Collections.ICollection)certificates).get_Count() == 0)
{
throw new PkixCertPathValidatorException("Certification path is empty.", null, certPath, 0);
}
ISet initialPolicies = paramsPkix.GetInitialPolicies();
TrustAnchor trustAnchor;
try
{
trustAnchor = PkixCertPathValidatorUtilities.FindTrustAnchor((X509Certificate)certificates.get_Item(((global::System.Collections.ICollection)certificates).get_Count() - 1), paramsPkix.GetTrustAnchors());
}
catch (global::System.Exception ex)
{
throw new PkixCertPathValidatorException(ex.get_Message(), ex, certPath, ((global::System.Collections.ICollection)certificates).get_Count() - 1);
}
if (trustAnchor == null)
{
throw new PkixCertPathValidatorException("Trust anchor for certification path not found.", null, certPath, -1);
}
int num = 0;
global::System.Collections.IList[] array = new global::System.Collections.IList[count + 1];
for (int i = 0; i < array.Length; i++)
{
array[i] = Platform.CreateArrayList();
}
ISet set = new HashSet();
set.Add(Rfc3280CertPathUtilities.ANY_POLICY);
PkixPolicyNode pkixPolicyNode = new PkixPolicyNode(Platform.CreateArrayList(), 0, set, null, new HashSet(), Rfc3280CertPathUtilities.ANY_POLICY, critical: false);
array[0].Add((object)pkixPolicyNode);
PkixNameConstraintValidator nameConstraintValidator = new PkixNameConstraintValidator();
ISet acceptablePolicies = new HashSet();
int explicitPolicy = ((!paramsPkix.IsExplicitPolicyRequired) ? (count + 1) : 0);
int inhibitAnyPolicy = ((!paramsPkix.IsAnyPolicyInhibited) ? (count + 1) : 0);
int policyMapping = ((!paramsPkix.IsPolicyMappingInhibited) ? (count + 1) : 0);
X509Certificate x509Certificate = trustAnchor.TrustedCert;
X509Name workingIssuerName;
AsymmetricKeyParameter asymmetricKeyParameter;
try
{
if (x509Certificate != null)
{
workingIssuerName = x509Certificate.SubjectDN;
asymmetricKeyParameter = x509Certificate.GetPublicKey();
}
else
{
workingIssuerName = new X509Name(trustAnchor.CAName);
asymmetricKeyParameter = trustAnchor.CAPublicKey;
}
}
catch (ArgumentException val)
{
ArgumentException cause = val;
throw new PkixCertPathValidatorException("Subject of trust anchor could not be (re)encoded.", (global::System.Exception)(object) cause, certPath, -1);
}
try
{
PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(asymmetricKeyParameter);
}
catch (PkixCertPathValidatorException cause2)
{
throw new PkixCertPathValidatorException("Algorithm identifier of public key of trust anchor could not be read.", cause2, certPath, -1);
}
int maxPathLength = count;
X509CertStoreSelector targetCertConstraints = paramsPkix.GetTargetCertConstraints();
if (targetCertConstraints != null && !targetCertConstraints.Match((X509Certificate)certificates.get_Item(0)))
{
throw new PkixCertPathValidatorException("Target certificate in certification path does not match targetConstraints.", null, certPath, 0);
}
global::System.Collections.IList certPathCheckers = paramsPkix.GetCertPathCheckers();
global::System.Collections.IEnumerator enumerator = ((global::System.Collections.IEnumerable)certPathCheckers).GetEnumerator();
while (enumerator.MoveNext())
{
((PkixCertPathChecker)enumerator.get_Current()).Init(forward: false);
}
X509Certificate x509Certificate2 = null;
for (num = ((global::System.Collections.ICollection)certificates).get_Count() - 1; num >= 0; num--)
{
int num2 = count - num;
x509Certificate2 = (X509Certificate)certificates.get_Item(num);
Rfc3280CertPathUtilities.ProcessCertA(certPath, paramsPkix, num, asymmetricKeyParameter, workingIssuerName, x509Certificate);
Rfc3280CertPathUtilities.ProcessCertBC(certPath, num, nameConstraintValidator);
pkixPolicyNode = Rfc3280CertPathUtilities.ProcessCertD(certPath, num, acceptablePolicies, pkixPolicyNode, array, inhibitAnyPolicy);
pkixPolicyNode = Rfc3280CertPathUtilities.ProcessCertE(certPath, num, pkixPolicyNode);
Rfc3280CertPathUtilities.ProcessCertF(certPath, num, pkixPolicyNode, explicitPolicy);
if (num2 != count)
{
if (x509Certificate2 != null && x509Certificate2.Version == 1)
{
throw new PkixCertPathValidatorException("Version 1 certificates can't be used as CA ones.", null, certPath, num);
}
Rfc3280CertPathUtilities.PrepareNextCertA(certPath, num);
pkixPolicyNode = Rfc3280CertPathUtilities.PrepareCertB(certPath, num, array, pkixPolicyNode, policyMapping);
Rfc3280CertPathUtilities.PrepareNextCertG(certPath, num, nameConstraintValidator);
explicitPolicy = Rfc3280CertPathUtilities.PrepareNextCertH1(certPath, num, explicitPolicy);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertH2(certPath, num, policyMapping);
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertH3(certPath, num, inhibitAnyPolicy);
explicitPolicy = Rfc3280CertPathUtilities.PrepareNextCertI1(certPath, num, explicitPolicy);
policyMapping = Rfc3280CertPathUtilities.PrepareNextCertI2(certPath, num, policyMapping);
inhibitAnyPolicy = Rfc3280CertPathUtilities.PrepareNextCertJ(certPath, num, inhibitAnyPolicy);
Rfc3280CertPathUtilities.PrepareNextCertK(certPath, num);
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertL(certPath, num, maxPathLength);
maxPathLength = Rfc3280CertPathUtilities.PrepareNextCertM(certPath, num, maxPathLength);
Rfc3280CertPathUtilities.PrepareNextCertN(certPath, num);
ISet criticalExtensionOids = x509Certificate2.GetCriticalExtensionOids();
if (criticalExtensionOids != null)
{
criticalExtensionOids = new HashSet(criticalExtensionOids);
criticalExtensionOids.Remove(X509Extensions.KeyUsage.Id);
criticalExtensionOids.Remove(X509Extensions.CertificatePolicies.Id);
criticalExtensionOids.Remove(X509Extensions.PolicyMappings.Id);
criticalExtensionOids.Remove(X509Extensions.InhibitAnyPolicy.Id);
criticalExtensionOids.Remove(X509Extensions.IssuingDistributionPoint.Id);
criticalExtensionOids.Remove(X509Extensions.DeltaCrlIndicator.Id);
criticalExtensionOids.Remove(X509Extensions.PolicyConstraints.Id);
criticalExtensionOids.Remove(X509Extensions.BasicConstraints.Id);
criticalExtensionOids.Remove(X509Extensions.SubjectAlternativeName.Id);
criticalExtensionOids.Remove(X509Extensions.NameConstraints.Id);
}
else
{
criticalExtensionOids = new HashSet();
}
Rfc3280CertPathUtilities.PrepareNextCertO(certPath, num, criticalExtensionOids, certPathCheckers);
x509Certificate = x509Certificate2;
workingIssuerName = x509Certificate.SubjectDN;
try
{
asymmetricKeyParameter = PkixCertPathValidatorUtilities.GetNextWorkingKey(certPath.Certificates, num);
}
catch (PkixCertPathValidatorException cause3)
{
throw new PkixCertPathValidatorException("Next working key could not be retrieved.", cause3, certPath, num);
}
PkixCertPathValidatorUtilities.GetAlgorithmIdentifier(asymmetricKeyParameter);
}
}
explicitPolicy = Rfc3280CertPathUtilities.WrapupCertA(explicitPolicy, x509Certificate2);
explicitPolicy = Rfc3280CertPathUtilities.WrapupCertB(certPath, num + 1, explicitPolicy);
ISet criticalExtensionOids2 = x509Certificate2.GetCriticalExtensionOids();
if (criticalExtensionOids2 != null)
{
criticalExtensionOids2 = new HashSet(criticalExtensionOids2);
criticalExtensionOids2.Remove(X509Extensions.KeyUsage.Id);
criticalExtensionOids2.Remove(X509Extensions.CertificatePolicies.Id);
criticalExtensionOids2.Remove(X509Extensions.PolicyMappings.Id);
criticalExtensionOids2.Remove(X509Extensions.InhibitAnyPolicy.Id);
criticalExtensionOids2.Remove(X509Extensions.IssuingDistributionPoint.Id);
criticalExtensionOids2.Remove(X509Extensions.DeltaCrlIndicator.Id);
criticalExtensionOids2.Remove(X509Extensions.PolicyConstraints.Id);
criticalExtensionOids2.Remove(X509Extensions.BasicConstraints.Id);
criticalExtensionOids2.Remove(X509Extensions.SubjectAlternativeName.Id);
criticalExtensionOids2.Remove(X509Extensions.NameConstraints.Id);
criticalExtensionOids2.Remove(X509Extensions.CrlDistributionPoints.Id);
}
else
{
criticalExtensionOids2 = new HashSet();
}
Rfc3280CertPathUtilities.WrapupCertF(certPath, num + 1, certPathCheckers, criticalExtensionOids2);
PkixPolicyNode pkixPolicyNode2 = Rfc3280CertPathUtilities.WrapupCertG(certPath, paramsPkix, initialPolicies, num + 1, array, pkixPolicyNode, acceptablePolicies);
if (explicitPolicy > 0 || pkixPolicyNode2 != null)
{
return(new PkixCertPathValidatorResult(trustAnchor, pkixPolicyNode2, x509Certificate2.GetPublicKey()));
}
throw new PkixCertPathValidatorException("Path processing failed on policy.", null, certPath, num);
}
