use of java.security.cert.CertPathValidatorException in project XobotOS by xamarin.
the class PKIXCertPathValidatorSpi method engineValidate.
// END android-added
public CertPathValidatorResult engineValidate(CertPath certPath, CertPathParameters params) throws CertPathValidatorException, InvalidAlgorithmParameterException {
if (!(params instanceof PKIXParameters)) {
throw new InvalidAlgorithmParameterException("Parameters must be a " + PKIXParameters.class.getName() + " instance.");
}
ExtendedPKIXParameters paramsPKIX;
if (params instanceof ExtendedPKIXParameters) {
paramsPKIX = (ExtendedPKIXParameters) params;
} else {
paramsPKIX = ExtendedPKIXParameters.getInstance((PKIXParameters) params);
}
if (paramsPKIX.getTrustAnchors() == null) {
throw new InvalidAlgorithmParameterException("trustAnchors is null, this is not allowed for certification path validation.");
}
//
// 6.1.1 - inputs
//
//
// (a)
//
List certs = certPath.getCertificates();
int n = certs.size();
if (certs.isEmpty()) {
throw new CertPathValidatorException("Certification path is empty.", null, certPath, 0);
}
// BEGIN android-added
{
X509Certificate cert = (X509Certificate) certs.get(0);
if (cert != null) {
BigInteger serial = cert.getSerialNumber();
if (serial != null && SERIAL_BLACKLIST.contains(serial)) {
// emulate CRL exception message in RFC3280CertPathUtilities.checkCRLs
String message = "Certificate revocation of serial 0x" + serial.toString(16);
System.out.println(message);
AnnotatedException e = new AnnotatedException(message);
throw new CertPathValidatorException(e.getMessage(), e, certPath, 0);
}
}
}
// END android-added
//
// (b)
//
// Date validDate = CertPathValidatorUtilities.getValidDate(paramsPKIX);
//
// (c)
//
Set userInitialPolicySet = paramsPKIX.getInitialPolicies();
//
// (d)
//
TrustAnchor trust;
try {
trust = CertPathValidatorUtilities.findTrustAnchor((X509Certificate) certs.get(certs.size() - 1), paramsPKIX.getTrustAnchors(), paramsPKIX.getSigProvider());
} catch (AnnotatedException e) {
throw new CertPathValidatorException(e.getMessage(), e, certPath, certs.size() - 1);
}
if (trust == null) {
throw new CertPathValidatorException("Trust anchor for certification path not found.", null, certPath, -1);
}
//
// (e), (f), (g) are part of the paramsPKIX object.
//
Iterator 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)
//
List[] policyNodes = new ArrayList[n + 1];
for (int j = 0; j < policyNodes.length; j++) {
policyNodes[j] = new ArrayList();
}
Set policySet = new HashSet();
policySet.add(RFC3280CertPathUtilities.ANY_POLICY);
PKIXPolicyNode validPolicyTree = new PKIXPolicyNode(new ArrayList(), 0, policySet, null, new HashSet(), RFC3280CertPathUtilities.ANY_POLICY, false);
policyNodes[0].add(validPolicyTree);
//
// (b) and (c)
//
PKIXNameConstraintValidator nameConstraintValidator = new PKIXNameConstraintValidator();
// (d)
//
int explicitPolicy;
Set 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)
//
PublicKey workingPublicKey;
X500Principal workingIssuerName;
X509Certificate sign = trust.getTrustedCert();
try {
if (sign != null) {
workingIssuerName = CertPathValidatorUtilities.getSubjectPrincipal(sign);
workingPublicKey = sign.getPublicKey();
} else {
workingIssuerName = new X500Principal(trust.getCAName());
workingPublicKey = trust.getCAPublicKey();
}
} catch (IllegalArgumentException ex) {
throw new ExtCertPathValidatorException("Subject of trust anchor could not be (re)encoded.", ex, certPath, -1);
}
AlgorithmIdentifier workingAlgId = null;
try {
workingAlgId = CertPathValidatorUtilities.getAlgorithmIdentifier(workingPublicKey);
} catch (CertPathValidatorException e) {
throw new ExtCertPathValidatorException("Algorithm identifier of public key of trust anchor could not be read.", e, certPath, -1);
}
DERObjectIdentifier workingPublicKeyAlgorithm = workingAlgId.getObjectId();
DEREncodable workingPublicKeyParameters = workingAlgId.getParameters();
//
// (k)
//
int maxPathLength = n;
if (paramsPKIX.getTargetConstraints() != null && !paramsPKIX.getTargetConstraints().match((X509Certificate) certs.get(0))) {
throw new ExtCertPathValidatorException("Target certificate in certification path does not match targetConstraints.", null, certPath, 0);
}
//
// initialize CertPathChecker's
//
List pathCheckers = paramsPKIX.getCertPathCheckers();
certIter = pathCheckers.iterator();
while (certIter.hasNext()) {
((PKIXCertPathChecker) certIter.next()).init(false);
}
X509Certificate cert = null;
for (index = certs.size() - 1; index >= 0; index--) {
// BEGIN android-added
if (isPublicKeyBlackListed(workingPublicKey)) {
// emulate CRL exception message in RFC3280CertPathUtilities.checkCRLs
String message = "Certificate revocation of public key " + workingPublicKey;
System.out.println(message);
AnnotatedException e = new AnnotatedException(message);
throw new CertPathValidatorException(e.getMessage(), e, certPath, index);
}
// END android-added
// 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.get(index);
boolean verificationAlreadyPerformed = (index == certs.size() - 1);
//
// 6.1.3
//
RFC3280CertPathUtilities.processCertA(certPath, paramsPKIX, index, workingPublicKey, verificationAlreadyPerformed, 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);
if (i != n) {
if (cert != null && cert.getVersion() == 1) {
throw new CertPathValidatorException("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);
Set criticalExtensions = cert.getCriticalExtensionOIDs();
if (criticalExtensions != null) {
criticalExtensions = new HashSet(criticalExtensions);
// these extensions are handled by the algorithm
criticalExtensions.remove(RFC3280CertPathUtilities.KEY_USAGE);
criticalExtensions.remove(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_MAPPINGS);
criticalExtensions.remove(RFC3280CertPathUtilities.INHIBIT_ANY_POLICY);
criticalExtensions.remove(RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT);
criticalExtensions.remove(RFC3280CertPathUtilities.DELTA_CRL_INDICATOR);
criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_CONSTRAINTS);
criticalExtensions.remove(RFC3280CertPathUtilities.BASIC_CONSTRAINTS);
criticalExtensions.remove(RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME);
criticalExtensions.remove(RFC3280CertPathUtilities.NAME_CONSTRAINTS);
} else {
criticalExtensions = new HashSet();
}
// (o)
RFC3280CertPathUtilities.prepareNextCertO(certPath, index, criticalExtensions, pathCheckers);
// set signing certificate for next round
sign = cert;
// (c)
workingIssuerName = CertPathValidatorUtilities.getSubjectPrincipal(sign);
// (d)
try {
workingPublicKey = CertPathValidatorUtilities.getNextWorkingKey(certPath.getCertificates(), index);
} catch (CertPathValidatorException e) {
throw new CertPathValidatorException("Next working key could not be retrieved.", e, certPath, index);
}
workingAlgId = CertPathValidatorUtilities.getAlgorithmIdentifier(workingPublicKey);
// (f)
workingPublicKeyAlgorithm = workingAlgId.getObjectId();
// (e)
workingPublicKeyParameters = workingAlgId.getParameters();
}
}
//
// 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)
//
Set criticalExtensions = cert.getCriticalExtensionOIDs();
if (criticalExtensions != null) {
criticalExtensions = new HashSet(criticalExtensions);
// these extensions are handled by the algorithm
criticalExtensions.remove(RFC3280CertPathUtilities.KEY_USAGE);
criticalExtensions.remove(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_MAPPINGS);
criticalExtensions.remove(RFC3280CertPathUtilities.INHIBIT_ANY_POLICY);
criticalExtensions.remove(RFC3280CertPathUtilities.ISSUING_DISTRIBUTION_POINT);
criticalExtensions.remove(RFC3280CertPathUtilities.DELTA_CRL_INDICATOR);
criticalExtensions.remove(RFC3280CertPathUtilities.POLICY_CONSTRAINTS);
criticalExtensions.remove(RFC3280CertPathUtilities.BASIC_CONSTRAINTS);
criticalExtensions.remove(RFC3280CertPathUtilities.SUBJECT_ALTERNATIVE_NAME);
criticalExtensions.remove(RFC3280CertPathUtilities.NAME_CONSTRAINTS);
criticalExtensions.remove(RFC3280CertPathUtilities.CRL_DISTRIBUTION_POINTS);
} 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 CertPathValidatorException("Path processing failed on policy.", null, certPath, index);
}
use of java.security.cert.CertPathValidatorException in project XobotOS by xamarin.
the class RFC3280CertPathUtilities method prepareNextCertI1.
protected static int prepareNextCertI1(CertPath certPath, int index, int explicitPolicy) throws CertPathValidatorException {
List certs = certPath.getCertificates();
X509Certificate cert = (X509Certificate) certs.get(index);
//
// (i)
//
ASN1Sequence pc = null;
try {
pc = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.POLICY_CONSTRAINTS));
} catch (Exception e) {
throw new ExtCertPathValidatorException("Policy constraints extension cannot be decoded.", e, certPath, index);
}
int tmpInt;
if (pc != null) {
Enumeration policyConstraints = pc.getObjects();
while (policyConstraints.hasMoreElements()) {
try {
ASN1TaggedObject constraint = ASN1TaggedObject.getInstance(policyConstraints.nextElement());
if (constraint.getTagNo() == 0) {
tmpInt = DERInteger.getInstance(constraint, false).getValue().intValue();
if (tmpInt < explicitPolicy) {
return tmpInt;
}
break;
}
} catch (IllegalArgumentException e) {
throw new ExtCertPathValidatorException("Policy constraints extension contents cannot be decoded.", e, certPath, index);
}
}
}
return explicitPolicy;
}
use of java.security.cert.CertPathValidatorException in project XobotOS by xamarin.
the class RFC3280CertPathUtilities method prepareNextCertK.
protected static void prepareNextCertK(CertPath certPath, int index) throws CertPathValidatorException {
List certs = certPath.getCertificates();
X509Certificate cert = (X509Certificate) certs.get(index);
//
// (k)
//
BasicConstraints bc = null;
try {
bc = BasicConstraints.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.BASIC_CONSTRAINTS));
} catch (Exception e) {
throw new ExtCertPathValidatorException("Basic constraints extension cannot be decoded.", e, certPath, index);
}
if (bc != null) {
if (!(bc.isCA())) {
throw new CertPathValidatorException("Not a CA certificate");
}
} else {
throw new CertPathValidatorException("Intermediate certificate lacks BasicConstraints");
}
}
use of java.security.cert.CertPathValidatorException in project XobotOS by xamarin.
the class RFC3280CertPathUtilities method prepareCertB.
protected static PKIXPolicyNode prepareCertB(CertPath certPath, int index, List[] policyNodes, PKIXPolicyNode validPolicyTree, int policyMapping) throws CertPathValidatorException {
List certs = certPath.getCertificates();
X509Certificate cert = (X509Certificate) certs.get(index);
int n = certs.size();
// i as defined in the algorithm description
int i = n - index;
// (b)
//
ASN1Sequence pm = null;
try {
pm = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.POLICY_MAPPINGS));
} catch (AnnotatedException ex) {
throw new ExtCertPathValidatorException("Policy mappings extension could not be decoded.", ex, certPath, index);
}
PKIXPolicyNode _validPolicyTree = validPolicyTree;
if (pm != null) {
ASN1Sequence mappings = (ASN1Sequence) pm;
Map m_idp = new HashMap();
Set s_idp = new HashSet();
for (int j = 0; j < mappings.size(); j++) {
ASN1Sequence mapping = (ASN1Sequence) mappings.getObjectAt(j);
String id_p = ((DERObjectIdentifier) mapping.getObjectAt(0)).getId();
String sd_p = ((DERObjectIdentifier) mapping.getObjectAt(1)).getId();
Set tmp;
if (!m_idp.containsKey(id_p)) {
tmp = new HashSet();
tmp.add(sd_p);
m_idp.put(id_p, tmp);
s_idp.add(id_p);
} else {
tmp = (Set) m_idp.get(id_p);
tmp.add(sd_p);
}
}
Iterator it_idp = s_idp.iterator();
while (it_idp.hasNext()) {
String id_p = (String) it_idp.next();
//
if (policyMapping > 0) {
boolean idp_found = false;
Iterator nodes_i = policyNodes[i].iterator();
while (nodes_i.hasNext()) {
PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
if (node.getValidPolicy().equals(id_p)) {
idp_found = true;
node.expectedPolicies = (Set) m_idp.get(id_p);
break;
}
}
if (!idp_found) {
nodes_i = policyNodes[i].iterator();
while (nodes_i.hasNext()) {
PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
if (RFC3280CertPathUtilities.ANY_POLICY.equals(node.getValidPolicy())) {
Set pq = null;
ASN1Sequence policies = null;
try {
policies = (ASN1Sequence) CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
} catch (AnnotatedException e) {
throw new ExtCertPathValidatorException("Certificate policies extension could not be decoded.", e, certPath, index);
}
Enumeration e = policies.getObjects();
while (e.hasMoreElements()) {
PolicyInformation pinfo = null;
try {
pinfo = PolicyInformation.getInstance(e.nextElement());
} catch (Exception ex) {
throw new CertPathValidatorException("Policy information could not be decoded.", ex, certPath, index);
}
if (RFC3280CertPathUtilities.ANY_POLICY.equals(pinfo.getPolicyIdentifier().getId())) {
try {
pq = CertPathValidatorUtilities.getQualifierSet(pinfo.getPolicyQualifiers());
} catch (CertPathValidatorException ex) {
throw new ExtCertPathValidatorException("Policy qualifier info set could not be decoded.", ex, certPath, index);
}
break;
}
}
boolean ci = false;
if (cert.getCriticalExtensionOIDs() != null) {
ci = cert.getCriticalExtensionOIDs().contains(RFC3280CertPathUtilities.CERTIFICATE_POLICIES);
}
PKIXPolicyNode p_node = (PKIXPolicyNode) node.getParent();
if (RFC3280CertPathUtilities.ANY_POLICY.equals(p_node.getValidPolicy())) {
PKIXPolicyNode c_node = new PKIXPolicyNode(new ArrayList(), i, (Set) m_idp.get(id_p), p_node, pq, id_p, ci);
p_node.addChild(c_node);
policyNodes[i].add(c_node);
}
break;
}
}
}
//
// (2)
//
} else if (policyMapping <= 0) {
Iterator nodes_i = policyNodes[i].iterator();
while (nodes_i.hasNext()) {
PKIXPolicyNode node = (PKIXPolicyNode) nodes_i.next();
if (node.getValidPolicy().equals(id_p)) {
PKIXPolicyNode p_node = (PKIXPolicyNode) node.getParent();
p_node.removeChild(node);
nodes_i.remove();
for (int k = (i - 1); k >= 0; k--) {
List nodes = policyNodes[k];
for (int l = 0; l < nodes.size(); l++) {
PKIXPolicyNode node2 = (PKIXPolicyNode) nodes.get(l);
if (!node2.hasChildren()) {
_validPolicyTree = CertPathValidatorUtilities.removePolicyNode(_validPolicyTree, policyNodes, node2);
if (_validPolicyTree == null) {
break;
}
}
}
}
}
}
}
}
}
return _validPolicyTree;
}
use of java.security.cert.CertPathValidatorException in project XobotOS by xamarin.
the class RFC3280CertPathUtilities method prepareNextCertG.
protected static void prepareNextCertG(CertPath certPath, int index, PKIXNameConstraintValidator nameConstraintValidator) throws CertPathValidatorException {
List certs = certPath.getCertificates();
X509Certificate cert = (X509Certificate) certs.get(index);
//
// (g) handle the name constraints extension
//
NameConstraints nc = null;
try {
ASN1Sequence ncSeq = DERSequence.getInstance(CertPathValidatorUtilities.getExtensionValue(cert, RFC3280CertPathUtilities.NAME_CONSTRAINTS));
if (ncSeq != null) {
nc = new NameConstraints(ncSeq);
}
} catch (Exception e) {
throw new ExtCertPathValidatorException("Name constraints extension could not be decoded.", e, certPath, index);
}
if (nc != null) {
//
// (g) (1) permitted subtrees
//
ASN1Sequence permitted = nc.getPermittedSubtrees();
if (permitted != null) {
try {
nameConstraintValidator.intersectPermittedSubtree(permitted);
} catch (Exception ex) {
throw new ExtCertPathValidatorException("Permitted subtrees cannot be build from name constraints extension.", ex, certPath, index);
}
}
//
// (g) (2) excluded subtrees
//
ASN1Sequence excluded = nc.getExcludedSubtrees();
if (excluded != null) {
Enumeration e = excluded.getObjects();
try {
while (e.hasMoreElements()) {
GeneralSubtree subtree = GeneralSubtree.getInstance(e.nextElement());
nameConstraintValidator.addExcludedSubtree(subtree);
}
} catch (Exception ex) {
throw new ExtCertPathValidatorException("Excluded subtrees cannot be build from name constraints extension.", ex, certPath, index);
}
}
}
}
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