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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. The APIs are designed primarily to be used in conjunction with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified.
package org.bouncycastle.pkix.jcajce;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.security.PublicKey;
import java.security.SignatureException;
import java.security.cert.CertPath;
import java.security.cert.CertPathValidatorException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.PKIXCertPathChecker;
import java.security.cert.PKIXParameters;
import java.security.cert.PolicyNode;
import java.security.cert.TrustAnchor;
import java.security.cert.X509CRL;
import java.security.cert.X509CRLEntry;
import java.security.cert.X509CertSelector;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import javax.security.auth.x500.X500Principal;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Enumerated;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.x509.AccessDescription;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.AuthorityInformationAccess;
import org.bouncycastle.asn1.x509.AuthorityKeyIdentifier;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.CRLDistPoint;
import org.bouncycastle.asn1.x509.DistributionPoint;
import org.bouncycastle.asn1.x509.DistributionPointName;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.GeneralNames;
import org.bouncycastle.asn1.x509.GeneralSubtree;
import org.bouncycastle.asn1.x509.IssuingDistributionPoint;
import org.bouncycastle.asn1.x509.NameConstraints;
import org.bouncycastle.asn1.x509.PolicyInformation;
import org.bouncycastle.asn1.x509.qualified.Iso4217CurrencyCode;
import org.bouncycastle.asn1.x509.qualified.MonetaryValue;
import org.bouncycastle.asn1.x509.qualified.QCStatement;
import org.bouncycastle.jcajce.PKIXCRLStoreSelector;
import org.bouncycastle.pkix.PKIXNameConstraintValidator;
import org.bouncycastle.pkix.PKIXNameConstraintValidatorException;
import org.bouncycastle.pkix.util.ErrorBundle;
import org.bouncycastle.pkix.util.LocaleString;
import org.bouncycastle.pkix.util.filter.TrustedInput;
import org.bouncycastle.pkix.util.filter.UntrustedInput;
import org.bouncycastle.pkix.util.filter.UntrustedUrlInput;
import org.bouncycastle.util.Integers;
/**
* PKIXCertPathReviewer
* Validation of X.509 Certificate Paths. Tries to find as much errors in the Path as possible.
*/
public class PKIXCertPathReviewer
extends CertPathValidatorUtilities
{
private static final String QC_STATEMENT = Extension.qCStatements.getId();
private static final String CRL_DIST_POINTS = Extension.cRLDistributionPoints.getId();
private static final String AUTH_INFO_ACCESS = Extension.authorityInfoAccess.getId();
private static final String RESOURCE_NAME = "org.bouncycastle.pkix.jcajce.CertPathReviewerMessages";
// input parameters
protected CertPath certPath;
protected PKIXParameters pkixParams;
protected Date validDate;
// state variables
protected List certs;
protected int n;
// output variables
protected List[] notifications;
protected List[] errors;
protected TrustAnchor trustAnchor;
protected PublicKey subjectPublicKey;
protected PolicyNode policyTree;
private boolean initialized;
/**
* Initializes the PKIXCertPathReviewer with the given {@link CertPath} and {@link PKIXParameters} params
* @param certPath the {@link CertPath} to validate
* @param params the {@link PKIXParameters} to use
* @throws CertPathReviewerException if the certPath is empty
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} is already initialized
*/
public void init(CertPath certPath, PKIXParameters params)
throws CertPathReviewerException
{
if (initialized)
{
throw new IllegalStateException("object is already initialized!");
}
initialized = true;
// check input parameters
if (certPath == null)
{
throw new NullPointerException("certPath was null");
}
this.certPath = certPath;
certs = certPath.getCertificates();
n = certs.size();
if (certs.isEmpty())
{
throw new CertPathReviewerException(
new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.emptyCertPath"));
}
pkixParams = (PKIXParameters) params.clone();
// 6.1.1 - Inputs
// a) done
// b)
validDate = getValidDate(pkixParams);
// c) part of pkixParams
// d) done at the beginning of checkSignatures
// e) f) g) part of pkixParams
// initialize output parameters
notifications = null;
errors = null;
trustAnchor = null;
subjectPublicKey = null;
policyTree = null;
}
/**
* Creates a PKIXCertPathReviewer and initializes it with the given {@link CertPath} and {@link PKIXParameters} params
* @param certPath the {@link CertPath} to validate
* @param params the {@link PKIXParameters} to use
* @throws CertPathReviewerException if the certPath is empty
*/
public PKIXCertPathReviewer(CertPath certPath, PKIXParameters params)
throws CertPathReviewerException
{
init(certPath, params);
}
/**
* Creates an empty PKIXCertPathReviewer. Don't forget to call init() to initialize the object.
*/
public PKIXCertPathReviewer()
{
// do nothing
}
/**
*
* @return the CertPath that was validated
*/
public CertPath getCertPath()
{
return certPath;
}
/**
*
* @return the size of the CertPath
*/
public int getCertPathSize()
{
return n;
}
/**
* Returns an Array of Lists which contains a List of global error messages
* and a List of error messages for each certificate in the path.
* The global error List is at index 0. The error lists for each certificate at index 1 to n.
* The error messages are of type.
* @return the Array of Lists which contain the error messages
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public List[] getErrors()
{
doChecks();
return errors;
}
/**
* Returns an List of error messages for the certificate at the given index in the CertPath.
* If index == -1 then the list of global errors is returned with errors not specific to a certificate.
* @param index the index of the certificate in the CertPath
* @return List of error messages for the certificate
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public List getErrors(int index)
{
doChecks();
return errors[index + 1];
}
/**
* Returns an Array of Lists which contains a List of global notification messages
* and a List of botification messages for each certificate in the path.
* The global notificatio List is at index 0. The notification lists for each certificate at index 1 to n.
* The error messages are of type.
* @return the Array of Lists which contain the notification messages
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public List[] getNotifications()
{
doChecks();
return notifications;
}
/**
* Returns an List of notification messages for the certificate at the given index in the CertPath.
* If index == -1 then the list of global notifications is returned with notifications not specific to a certificate.
* @param index the index of the certificate in the CertPath
* @return List of notification messages for the certificate
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public List getNotifications(int index)
{
doChecks();
return notifications[index + 1];
}
/**
*
* @return the valid policy tree, null if no valid policy exists.
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public PolicyNode getPolicyTree()
{
doChecks();
return policyTree;
}
/**
*
* @return the PublicKey if the last certificate in the CertPath
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public PublicKey getSubjectPublicKey()
{
doChecks();
return subjectPublicKey;
}
/**
*
* @return the TrustAnchor for the CertPath, null if no valid TrustAnchor was found.
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public TrustAnchor getTrustAnchor()
{
doChecks();
return trustAnchor;
}
/**
*
* @return if the CertPath is valid
* @throws IllegalStateException if the {@link PKIXCertPathReviewer} was not initialized
*/
public boolean isValidCertPath()
{
doChecks();
boolean valid = true;
for (int i = 0; i < errors.length; i++)
{
if (!errors[i].isEmpty())
{
valid = false;
break;
}
}
return valid;
}
protected void addNotification(ErrorBundle msg)
{
notifications[0].add(msg);
}
protected void addNotification(ErrorBundle msg, int index)
{
if (index < -1 || index >= n)
{
throw new IndexOutOfBoundsException();
}
notifications[index + 1].add(msg);
}
protected void addError(ErrorBundle msg)
{
errors[0].add(msg);
}
protected void addError(ErrorBundle msg, int index)
{
if (index < -1 || index >= n)
{
throw new IndexOutOfBoundsException();
}
errors[index + 1].add(msg);
}
protected void doChecks()
{
if (!initialized)
{
throw new IllegalStateException("Object not initialized. Call init() first.");
}
if (notifications == null)
{
// initialize lists
notifications = new List[n+1];
errors = new List[n+1];
for (int i = 0; i < notifications.length; i++)
{
notifications[i] = new ArrayList();
errors[i] = new ArrayList();
}
// check Signatures
checkSignatures();
// check Name Constraints
checkNameConstraints();
// check Path Length
checkPathLength();
// check Policy
checkPolicy();
// check other critical extensions
checkCriticalExtensions();
}
}
private void checkNameConstraints()
{
X509Certificate cert = null;
//
// Setup
//
// (b) and (c)
PKIXNameConstraintValidator nameConstraintValidator = new PKIXNameConstraintValidator();
//
// process each certificate except the last in the path
//
int index;
int i;
try
{
for (index = certs.size()-1; index>0; index--)
{
i = n - index;
//
// certificate processing
//
cert = (X509Certificate) certs.get(index);
// b),c)
if (!isSelfIssued(cert))
{
X500Principal principal = getSubjectPrincipal(cert);
ASN1InputStream aIn = new ASN1InputStream(new ByteArrayInputStream(principal.getEncoded()));
ASN1Sequence dns;
try
{
dns = (ASN1Sequence)aIn.readObject();
}
catch (IOException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.ncSubjectNameError",
new Object[] {new UntrustedInput(principal)});
throw new CertPathReviewerException(msg,e,certPath,index);
}
try
{
nameConstraintValidator.checkPermittedDN(dns);
}
catch (PKIXNameConstraintValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notPermittedDN",
new Object[] {new UntrustedInput(principal.getName())});
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
try
{
nameConstraintValidator.checkExcludedDN(dns);
}
catch (PKIXNameConstraintValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.excludedDN",
new Object[] {new UntrustedInput(principal.getName())});
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
ASN1Sequence altName;
try
{
altName = (ASN1Sequence)getExtensionValue(cert, SUBJECT_ALTERNATIVE_NAME);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.subjAltNameExtError");
throw new CertPathReviewerException(msg,ae,certPath,index);
}
if (altName != null)
{
for (int j = 0; j < altName.size(); j++)
{
GeneralName name = GeneralName.getInstance(altName.getObjectAt(j));
try
{
nameConstraintValidator.checkPermitted(name);
nameConstraintValidator.checkExcluded(name);
}
catch (PKIXNameConstraintValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notPermittedEmail",
new Object[] {new UntrustedInput(name)});
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
// switch(o.getTagNo()) TODO - move resources to PKIXNameConstraints
// {
// case 1:
// String email = DERIA5String.getInstance(o, true).getString();
//
// try
// {
// checkPermittedEmail(permittedSubtreesEmail, email);
// }
// catch (CertPathValidatorException cpve)
// {
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notPermittedEmail",
// new Object[] {new UntrustedInput(email)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
//
// try
// {
// checkExcludedEmail(excludedSubtreesEmail, email);
// }
// catch (CertPathValidatorException cpve)
// {
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.excludedEmail",
// new Object[] {new UntrustedInput(email)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
//
// break;
// case 4:
// ASN1Sequence altDN = ASN1Sequence.getInstance(o, true);
//
// try
// {
// checkPermittedDN(permittedSubtreesDN, altDN);
// }
// catch (CertPathValidatorException cpve)
// {
// X509Name altDNName = new X509Name(altDN);
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notPermittedDN",
// new Object[] {new UntrustedInput(altDNName)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
//
// try
// {
// checkExcludedDN(excludedSubtreesDN, altDN);
// }
// catch (CertPathValidatorException cpve)
// {
// X509Name altDNName = new X509Name(altDN);
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.excludedDN",
// new Object[] {new UntrustedInput(altDNName)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
//
// break;
// case 7:
// byte[] ip = ASN1OctetString.getInstance(o, true).getOctets();
//
// try
// {
// checkPermittedIP(permittedSubtreesIP, ip);
// }
// catch (CertPathValidatorException cpve)
// {
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notPermittedIP",
// new Object[] {IPtoString(ip)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
//
// try
// {
// checkExcludedIP(excludedSubtreesIP, ip);
// }
// catch (CertPathValidatorException cpve)
// {
// ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.excludedIP",
// new Object[] {IPtoString(ip)});
// throw new CertPathReviewerException(msg,cpve,certPath,index);
// }
// }
}
}
}
//
// prepare for next certificate
//
//
// (g) handle the name constraints extension
//
ASN1Sequence ncSeq;
try
{
ncSeq = (ASN1Sequence)getExtensionValue(cert, NAME_CONSTRAINTS);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.ncExtError");
throw new CertPathReviewerException(msg,ae,certPath,index);
}
if (ncSeq != null)
{
NameConstraints nc = NameConstraints.getInstance(ncSeq);
//
// (g) (1) permitted subtrees
//
GeneralSubtree[] permitted = nc.getPermittedSubtrees();
if (permitted != null)
{
nameConstraintValidator.intersectPermittedSubtree(permitted);
}
//
// (g) (2) excluded subtrees
//
GeneralSubtree[] excluded = nc.getExcludedSubtrees();
if (excluded != null)
{
for (int c = 0; c != excluded.length; c++)
{
nameConstraintValidator.addExcludedSubtree(excluded[c]);
}
}
}
} // for
}
catch (CertPathReviewerException cpre)
{
addError(cpre.getErrorMessage(),cpre.getIndex());
}
}
/*
* checks: - path length constraints and reports - total path length
*/
private void checkPathLength()
{
// init
int maxPathLength = n;
int totalPathLength = 0;
X509Certificate cert = null;
int i;
for (int index = certs.size() - 1; index > 0; index--)
{
i = n - index;
cert = (X509Certificate) certs.get(index);
// l)
if (!isSelfIssued(cert))
{
if (maxPathLength <= 0)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.pathLengthExtended");
addError(msg);
}
maxPathLength--;
totalPathLength++;
}
// m)
BasicConstraints bc;
try
{
bc = BasicConstraints.getInstance(getExtensionValue(cert,
BASIC_CONSTRAINTS));
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.processLengthConstError");
addError(msg,index);
bc = null;
}
if (bc != null)
{
BigInteger _pathLengthConstraint = bc.getPathLenConstraint();
if (_pathLengthConstraint != null)
{
int _plc = _pathLengthConstraint.intValue();
if (_plc < maxPathLength)
{
maxPathLength = _plc;
}
}
}
}
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.totalPathLength",
new Object[]{Integers.valueOf(totalPathLength)});
addNotification(msg);
}
/*
* checks: - signatures - name chaining - validity of certificates - todo:
* if certificate revoked (if specified in the parameters)
*/
private void checkSignatures()
{
// 1.6.1 - Inputs
// d)
TrustAnchor trust = null;
X500Principal trustPrincipal = null;
// validation date
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certPathValidDate",
new Object[] {new TrustedInput(validDate), new TrustedInput(new Date())});
addNotification(msg);
}
// find trust anchors
try
{
X509Certificate cert = (X509Certificate) certs.get(certs.size() - 1);
Collection trustColl = getTrustAnchors(cert,pkixParams.getTrustAnchors());
if (trustColl.size() > 1)
{
// conflicting trust anchors
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.conflictingTrustAnchors",
new Object[]{Integers.valueOf(trustColl.size()),
new UntrustedInput(cert.getIssuerX500Principal())});
addError(msg);
}
else if (trustColl.isEmpty())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.noTrustAnchorFound",
new Object[]{new UntrustedInput(cert.getIssuerX500Principal()),
Integers.valueOf(pkixParams.getTrustAnchors().size())});
addError(msg);
}
else
{
PublicKey trustPublicKey;
trust = (TrustAnchor) trustColl.iterator().next();
if (trust.getTrustedCert() != null)
{
trustPublicKey = trust.getTrustedCert().getPublicKey();
}
else
{
trustPublicKey = trust.getCAPublicKey();
}
try
{
CertPathValidatorUtilities.verifyX509Certificate(cert, trustPublicKey,
pkixParams.getSigProvider());
}
catch (SignatureException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.trustButInvalidCert");
addError(msg);
}
catch (Exception e)
{
// do nothing, error occurs again later
}
}
}
catch (CertPathReviewerException cpre)
{
addError(cpre.getErrorMessage());
}
catch (Throwable t)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.unknown",
new Object[] {new UntrustedInput(t.getMessage()), new UntrustedInput(t)});
addError(msg);
}
if (trust != null)
{
// get the name of the trustAnchor
X509Certificate sign = trust.getTrustedCert();
try
{
if (sign != null)
{
trustPrincipal = getSubjectPrincipal(sign);
}
else
{
trustPrincipal = new X500Principal(trust.getCAName());
}
}
catch (IllegalArgumentException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.trustDNInvalid",
new Object[] {new UntrustedInput(trust.getCAName())});
addError(msg);
}
// test key usages of the trust anchor
if (sign != null)
{
boolean[] ku = sign.getKeyUsage();
if (ku != null && !ku[5])
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME, "CertPathReviewer.trustKeyUsage");
addNotification(msg);
}
}
}
// 1.6.2 - Initialization
PublicKey workingPublicKey = null;
X500Principal workingIssuerName = trustPrincipal;
X509Certificate sign = null;
AlgorithmIdentifier workingAlgId = null;
ASN1ObjectIdentifier workingPublicKeyAlgorithm = null;
ASN1Encodable workingPublicKeyParameters = null;
if (trust != null)
{
sign = trust.getTrustedCert();
if (sign != null)
{
workingPublicKey = sign.getPublicKey();
}
else
{
workingPublicKey = trust.getCAPublicKey();
}
try
{
workingAlgId = getAlgorithmIdentifier(workingPublicKey);
workingPublicKeyAlgorithm = workingAlgId.getAlgorithm();
workingPublicKeyParameters = workingAlgId.getParameters();
}
catch (CertPathValidatorException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.trustPubKeyError");
addError(msg);
workingAlgId = null;
}
}
// Basic cert checks
X509Certificate cert = null;
int i;
for (int index = certs.size() - 1; index >= 0; index--)
{
//
// 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 initialied the
// first time from the TrustAnchor
//
cert = (X509Certificate) certs.get(index);
// verify signature
if (workingPublicKey != null)
{
try
{
CertPathValidatorUtilities.verifyX509Certificate(cert, workingPublicKey,
pkixParams.getSigProvider());
}
catch (GeneralSecurityException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.signatureNotVerified",
new Object[] {ex.getMessage(),ex,ex.getClass().getName()});
addError(msg,index);
}
}
else if (isSelfIssued(cert))
{
try
{
CertPathValidatorUtilities.verifyX509Certificate(cert, cert.getPublicKey(),
pkixParams.getSigProvider());
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.rootKeyIsValidButNotATrustAnchor");
addError(msg, index);
}
catch (GeneralSecurityException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.signatureNotVerified",
new Object[] {ex.getMessage(),ex,ex.getClass().getName()});
addError(msg,index);
}
}
else
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.NoIssuerPublicKey");
// if there is an authority key extension add the serial and issuer of the missing certificate
byte[] akiBytes = cert.getExtensionValue(Extension.authorityKeyIdentifier.getId());
if (akiBytes != null)
{
AuthorityKeyIdentifier aki = AuthorityKeyIdentifier.getInstance(
DEROctetString.getInstance(akiBytes).getOctets());
GeneralNames issuerNames = aki.getAuthorityCertIssuer();
if (issuerNames != null)
{
GeneralName name = issuerNames.getNames()[0];
BigInteger serial = aki.getAuthorityCertSerialNumber();
if (serial != null)
{
Object[] extraArgs = {new LocaleString(RESOURCE_NAME, "missingIssuer"), " \"", name ,
"\" ", new LocaleString(RESOURCE_NAME, "missingSerial") , " ", serial};
msg.setExtraArguments(extraArgs);
}
}
}
addError(msg,index);
}
// certificate valid?
try
{
cert.checkValidity(validDate);
}
catch (CertificateNotYetValidException cnve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certificateNotYetValid",
new Object[] {new TrustedInput(cert.getNotBefore())});
addError(msg,index);
}
catch (CertificateExpiredException cee)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certificateExpired",
new Object[] {new TrustedInput(cert.getNotAfter())});
addError(msg,index);
}
// certificate revoked?
if (pkixParams.isRevocationEnabled())
{
// read crl distribution points extension
CRLDistPoint crlDistPoints = null;
try
{
ASN1Primitive crl_dp = getExtensionValue(cert,CRL_DIST_POINTS);
if (crl_dp != null)
{
crlDistPoints = CRLDistPoint.getInstance(crl_dp);
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlDistPtExtError");
addError(msg,index);
}
// read authority information access extension
AuthorityInformationAccess authInfoAcc = null;
try
{
ASN1Primitive auth_info_acc = getExtensionValue(cert,AUTH_INFO_ACCESS);
if (auth_info_acc != null)
{
authInfoAcc = AuthorityInformationAccess.getInstance(auth_info_acc);
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlAuthInfoAccError");
addError(msg,index);
}
Vector crlDistPointUrls = getCRLDistUrls(crlDistPoints);
Vector ocspUrls = getOCSPUrls(authInfoAcc);
// add notifications with the crl distribution points
// output crl distribution points
Iterator urlIt = crlDistPointUrls.iterator();
while (urlIt.hasNext())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlDistPoint",
new Object[] {new UntrustedUrlInput(urlIt.next())});
addNotification(msg,index);
}
// output ocsp urls
urlIt = ocspUrls.iterator();
while (urlIt.hasNext())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.ocspLocation",
new Object[] {new UntrustedUrlInput(urlIt.next())});
addNotification(msg,index);
}
// TODO also support Netscapes revocation-url and/or OCSP instead of CRLs for revocation checking
// check CRLs
try
{
checkRevocation(pkixParams, cert, validDate, sign, workingPublicKey, crlDistPointUrls, ocspUrls, index);
}
catch (CertPathReviewerException cpre)
{
addError(cpre.getErrorMessage(),index);
}
}
// certificate issuer correct
if (workingIssuerName != null && !cert.getIssuerX500Principal().equals(workingIssuerName))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certWrongIssuer",
new Object[] {workingIssuerName.getName(),
cert.getIssuerX500Principal().getName()});
addError(msg,index);
}
//
// prepare for next certificate
//
if (i != n)
{
if (cert != null && cert.getVersion() == 1)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noCACert");
addError(msg,index);
}
// k)
BasicConstraints bc;
try
{
bc = BasicConstraints.getInstance(getExtensionValue(cert,
BASIC_CONSTRAINTS));
if (bc != null)
{
if (!bc.isCA())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noCACert");
addError(msg,index);
}
}
else
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noBasicConstraints");
addError(msg,index);
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.errorProcesingBC");
addError(msg,index);
}
// n)
boolean[] _usage = cert.getKeyUsage();
if ((_usage != null) && !_usage[KEY_CERT_SIGN])
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noCertSign");
addError(msg,index);
}
} // if
// set signing certificate for next round
sign = cert;
// c)
workingIssuerName = cert.getSubjectX500Principal();
// d) e) f)
try
{
workingPublicKey = getNextWorkingKey(certs, index);
workingAlgId = getAlgorithmIdentifier(workingPublicKey);
workingPublicKeyAlgorithm = workingAlgId.getAlgorithm();
workingPublicKeyParameters = workingAlgId.getParameters();
}
catch (CertPathValidatorException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.pubKeyError");
addError(msg,index);
workingAlgId = null;
workingPublicKeyAlgorithm = null;
workingPublicKeyParameters = null;
}
} // for
trustAnchor = trust;
subjectPublicKey = workingPublicKey;
}
private void checkPolicy()
{
//
// 6.1.1 Inputs
//
// c) Initial Policy Set
Set userInitialPolicySet = pkixParams.getInitialPolicies();
// e) f) g) are part of pkixParams
//
// 6.1.2 Initialization
//
// a) valid policy tree
List[] policyNodes = new ArrayList[n + 1];
for (int j = 0; j < policyNodes.length; j++)
{
policyNodes[j] = new ArrayList();
}
Set policySet = new HashSet();
policySet.add(ANY_POLICY);
PKIXPolicyNode validPolicyTree = new PKIXPolicyNode(new ArrayList(), 0,
policySet, null, new HashSet(), ANY_POLICY, false);
policyNodes[0].add(validPolicyTree);
// d) explicit policy
int explicitPolicy;
if (pkixParams.isExplicitPolicyRequired())
{
explicitPolicy = 0;
}
else
{
explicitPolicy = n + 1;
}
// e) inhibit any policy
int inhibitAnyPolicy;
if (pkixParams.isAnyPolicyInhibited())
{
inhibitAnyPolicy = 0;
}
else
{
inhibitAnyPolicy = n + 1;
}
// f) policy mapping
int policyMapping;
if (pkixParams.isPolicyMappingInhibited())
{
policyMapping = 0;
}
else
{
policyMapping = n + 1;
}
Set acceptablePolicies = null;
//
// 6.1.3 Basic Certificate processing
//
X509Certificate cert = null;
int index;
int i;
try
{
for (index = certs.size() - 1; index >= 0; index--)
{
// i as defined in the algorithm description
i = n - index;
// set certificate to be checked in this round
cert = (X509Certificate) certs.get(index);
// d) process policy information
ASN1Sequence certPolicies;
try
{
certPolicies = (ASN1Sequence) getExtensionValue(
cert, CERTIFICATE_POLICIES);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyExtError");
throw new CertPathReviewerException(msg,ae,certPath,index);
}
if (certPolicies != null && validPolicyTree != null)
{
// d) 1)
Enumeration e = certPolicies.getObjects();
Set pols = new HashSet();
while (e.hasMoreElements())
{
PolicyInformation pInfo = PolicyInformation.getInstance(e.nextElement());
ASN1ObjectIdentifier pOid = pInfo.getPolicyIdentifier();
pols.add(pOid.getId());
if (!ANY_POLICY.equals(pOid.getId()))
{
Set pq;
try
{
pq = getQualifierSet(pInfo.getPolicyQualifiers());
}
catch (CertPathValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyQualifierError");
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
boolean match = processCertD1i(i, policyNodes, pOid, pq);
if (!match)
{
processCertD1ii(i, policyNodes, pOid, pq);
}
}
}
if (acceptablePolicies == null || acceptablePolicies.contains(ANY_POLICY))
{
acceptablePolicies = pols;
}
else
{
Iterator it = acceptablePolicies.iterator();
Set t1 = new HashSet();
while (it.hasNext())
{
Object o = it.next();
if (pols.contains(o))
{
t1.add(o);
}
}
acceptablePolicies = t1;
}
// d) 2)
if ((inhibitAnyPolicy > 0) || ((i < n) && isSelfIssued(cert)))
{
e = certPolicies.getObjects();
while (e.hasMoreElements())
{
PolicyInformation pInfo = PolicyInformation.getInstance(e.nextElement());
if (ANY_POLICY.equals(pInfo.getPolicyIdentifier().getId()))
{
Set _apq;
try
{
_apq = getQualifierSet(pInfo.getPolicyQualifiers());
}
catch (CertPathValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyQualifierError");
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
List _nodes = policyNodes[i - 1];
for (int k = 0; k < _nodes.size(); k++)
{
PKIXPolicyNode _node = (PKIXPolicyNode) _nodes.get(k);
Iterator _policySetIter = _node.getExpectedPolicies().iterator();
while (_policySetIter.hasNext())
{
Object _tmp = _policySetIter.next();
String _policy;
if (_tmp instanceof String)
{
_policy = (String) _tmp;
}
else if (_tmp instanceof ASN1ObjectIdentifier)
{
_policy = ((ASN1ObjectIdentifier) _tmp).getId();
}
else
{
continue;
}
boolean _found = false;
Iterator _childrenIter = _node
.getChildren();
while (_childrenIter.hasNext())
{
PKIXPolicyNode _child = (PKIXPolicyNode) _childrenIter.next();
if (_policy.equals(_child.getValidPolicy()))
{
_found = true;
}
}
if (!_found)
{
Set _newChildExpectedPolicies = new HashSet();
_newChildExpectedPolicies.add(_policy);
PKIXPolicyNode _newChild = new PKIXPolicyNode(
new ArrayList(), i,
_newChildExpectedPolicies,
_node, _apq, _policy, false);
_node.addChild(_newChild);
policyNodes[i].add(_newChild);
}
}
}
break;
}
}
}
//
// (d) (3)
//
for (int j = (i - 1); j >= 0; j--)
{
List nodes = policyNodes[j];
for (int k = 0; k < nodes.size(); k++)
{
PKIXPolicyNode node = (PKIXPolicyNode) nodes.get(k);
if (!node.hasChildren())
{
validPolicyTree = removePolicyNode(
validPolicyTree, policyNodes, node);
if (validPolicyTree == null)
{
break;
}
}
}
}
//
// d (4)
//
Set criticalExtensionOids = cert.getCriticalExtensionOIDs();
if (criticalExtensionOids != null)
{
boolean critical = criticalExtensionOids.contains(CERTIFICATE_POLICIES);
List nodes = policyNodes[i];
for (int j = 0; j < nodes.size(); j++)
{
PKIXPolicyNode node = (PKIXPolicyNode) nodes.get(j);
node.setCritical(critical);
}
}
}
// e)
if (certPolicies == null)
{
validPolicyTree = null;
}
// f)
if (explicitPolicy <= 0 && validPolicyTree == null)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noValidPolicyTree");
throw new CertPathReviewerException(msg);
}
//
// 6.1.4 preparation for next Certificate
//
if (i != n)
{
// a)
ASN1Primitive pm;
try
{
pm = getExtensionValue(cert, POLICY_MAPPINGS);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyMapExtError");
throw new CertPathReviewerException(msg,ae,certPath,index);
}
if (pm != null)
{
ASN1Sequence mappings = (ASN1Sequence) pm;
for (int j = 0; j < mappings.size(); j++)
{
ASN1Sequence mapping = (ASN1Sequence) mappings.getObjectAt(j);
ASN1ObjectIdentifier ip_id = (ASN1ObjectIdentifier) mapping.getObjectAt(0);
ASN1ObjectIdentifier sp_id = (ASN1ObjectIdentifier) mapping.getObjectAt(1);
if (ANY_POLICY.equals(ip_id.getId()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.invalidPolicyMapping");
throw new CertPathReviewerException(msg,certPath,index);
}
if (ANY_POLICY.equals(sp_id.getId()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.invalidPolicyMapping");
throw new CertPathReviewerException(msg,certPath,index);
}
}
}
// b)
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 = ((ASN1ObjectIdentifier)mapping.getObjectAt(0)).getId();
String sd_p = ((ASN1ObjectIdentifier)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();
//
// (1)
//
if (policyMapping > 0)
{
try
{
prepareNextCertB1(i,policyNodes,id_p,m_idp,cert);
}
catch (AnnotatedException ae)
{
// error processing certificate policies extension
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyExtError");
throw new CertPathReviewerException(msg,ae,certPath,index);
}
catch (CertPathValidatorException cpve)
{
// error building qualifier set
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyQualifierError");
throw new CertPathReviewerException(msg,cpve,certPath,index);
}
//
// (2)
//
}
else if (policyMapping <= 0)
{
validPolicyTree = prepareNextCertB2(i,policyNodes,id_p,validPolicyTree);
}
}
}
//
// h)
//
if (!isSelfIssued(cert))
{
// (1)
if (explicitPolicy != 0)
{
explicitPolicy--;
}
// (2)
if (policyMapping != 0)
{
policyMapping--;
}
// (3)
if (inhibitAnyPolicy != 0)
{
inhibitAnyPolicy--;
}
}
//
// i)
//
try
{
ASN1Sequence pc = (ASN1Sequence) getExtensionValue(cert,POLICY_CONSTRAINTS);
if (pc != null)
{
Enumeration policyConstraints = pc.getObjects();
while (policyConstraints.hasMoreElements())
{
ASN1TaggedObject constraint = (ASN1TaggedObject) policyConstraints.nextElement();
int tmpInt;
switch (constraint.getTagNo())
{
case 0:
tmpInt = ASN1Integer.getInstance(constraint, false).getValue().intValue();
if (tmpInt < explicitPolicy)
{
explicitPolicy = tmpInt;
}
break;
case 1:
tmpInt = ASN1Integer.getInstance(constraint, false).getValue().intValue();
if (tmpInt < policyMapping)
{
policyMapping = tmpInt;
}
break;
}
}
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyConstExtError");
throw new CertPathReviewerException(msg,certPath,index);
}
//
// j)
//
try
{
ASN1Integer iap = (ASN1Integer)getExtensionValue(cert, INHIBIT_ANY_POLICY);
if (iap != null)
{
int _inhibitAnyPolicy = iap.getValue().intValue();
if (_inhibitAnyPolicy < inhibitAnyPolicy)
{
inhibitAnyPolicy = _inhibitAnyPolicy;
}
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyInhibitExtError");
throw new CertPathReviewerException(msg,certPath,index);
}
}
}
//
// 6.1.5 Wrap up
//
//
// a)
//
if (!isSelfIssued(cert) && explicitPolicy > 0)
{
explicitPolicy--;
}
//
// b)
//
try
{
ASN1Sequence pc = (ASN1Sequence) getExtensionValue(cert, POLICY_CONSTRAINTS);
if (pc != null)
{
Enumeration policyConstraints = pc.getObjects();
while (policyConstraints.hasMoreElements())
{
ASN1TaggedObject constraint = (ASN1TaggedObject)policyConstraints.nextElement();
switch (constraint.getTagNo())
{
case 0:
int tmpInt = ASN1Integer.getInstance(constraint, false).getValue().intValue();
if (tmpInt == 0)
{
explicitPolicy = 0;
}
break;
}
}
}
}
catch (AnnotatedException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.policyConstExtError");
throw new CertPathReviewerException(msg,certPath,index);
}
//
// (g)
//
PKIXPolicyNode intersection;
//
// (g) (i)
//
if (validPolicyTree == null)
{
if (pkixParams.isExplicitPolicyRequired())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.explicitPolicy");
throw new CertPathReviewerException(msg,certPath,index);
}
intersection = null;
}
else if (isAnyPolicy(userInitialPolicySet)) // (g) (ii)
{
if (pkixParams.isExplicitPolicyRequired())
{
if (acceptablePolicies.isEmpty())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.explicitPolicy");
throw new CertPathReviewerException(msg,certPath,index);
}
else
{
Set _validPolicyNodeSet = new HashSet();
for (int j = 0; j < policyNodes.length; j++)
{
List _nodeDepth = policyNodes[j];
for (int k = 0; k < _nodeDepth.size(); k++)
{
PKIXPolicyNode _node = (PKIXPolicyNode)_nodeDepth.get(k);
if (ANY_POLICY.equals(_node.getValidPolicy()))
{
Iterator _iter = _node.getChildren();
while (_iter.hasNext())
{
_validPolicyNodeSet.add(_iter.next());
}
}
}
}
Iterator _vpnsIter = _validPolicyNodeSet.iterator();
while (_vpnsIter.hasNext())
{
PKIXPolicyNode _node = (PKIXPolicyNode)_vpnsIter.next();
String _validPolicy = _node.getValidPolicy();
if (!acceptablePolicies.contains(_validPolicy))
{
//validPolicyTree = removePolicyNode(validPolicyTree, policyNodes, _node);
}
}
if (validPolicyTree != null)
{
for (int j = (n - 1); j >= 0; j--)
{
List nodes = policyNodes[j];
for (int k = 0; k < nodes.size(); k++)
{
PKIXPolicyNode node = (PKIXPolicyNode)nodes.get(k);
if (!node.hasChildren())
{
validPolicyTree = removePolicyNode(validPolicyTree, policyNodes, node);
}
}
}
}
}
}
intersection = validPolicyTree;
}
else
{
//
// (g) (iii)
//
// This implementation is not exactly same as the one described in RFC3280.
// However, as far as the validation result is concerned, both produce
// adequate result. The only difference is whether AnyPolicy is remain
// in the policy tree or not.
//
// (g) (iii) 1
//
Set _validPolicyNodeSet = new HashSet();
for (int j = 0; j < policyNodes.length; j++)
{
List _nodeDepth = policyNodes[j];
for (int k = 0; k < _nodeDepth.size(); k++)
{
PKIXPolicyNode _node = (PKIXPolicyNode)_nodeDepth.get(k);
if (ANY_POLICY.equals(_node.getValidPolicy()))
{
Iterator _iter = _node.getChildren();
while (_iter.hasNext())
{
PKIXPolicyNode _c_node = (PKIXPolicyNode)_iter.next();
if (!ANY_POLICY.equals(_c_node.getValidPolicy()))
{
_validPolicyNodeSet.add(_c_node);
}
}
}
}
}
//
// (g) (iii) 2
//
Iterator _vpnsIter = _validPolicyNodeSet.iterator();
while (_vpnsIter.hasNext())
{
PKIXPolicyNode _node = (PKIXPolicyNode)_vpnsIter.next();
String _validPolicy = _node.getValidPolicy();
if (!userInitialPolicySet.contains(_validPolicy))
{
validPolicyTree = removePolicyNode(validPolicyTree, policyNodes, _node);
}
}
//
// (g) (iii) 4
//
if (validPolicyTree != null)
{
for (int j = (n - 1); j >= 0; j--)
{
List nodes = policyNodes[j];
for (int k = 0; k < nodes.size(); k++)
{
PKIXPolicyNode node = (PKIXPolicyNode)nodes.get(k);
if (!node.hasChildren())
{
validPolicyTree = removePolicyNode(validPolicyTree, policyNodes, node);
}
}
}
}
intersection = validPolicyTree;
}
if ((explicitPolicy <= 0) && (intersection == null))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.invalidPolicy");
throw new CertPathReviewerException(msg);
}
validPolicyTree = intersection;
}
catch (CertPathReviewerException cpre)
{
addError(cpre.getErrorMessage(),cpre.getIndex());
validPolicyTree = null;
}
}
private void checkCriticalExtensions()
{
//
// initialise CertPathChecker's
//
List pathCheckers = pkixParams.getCertPathCheckers();
Iterator certIter = pathCheckers.iterator();
try
{
try
{
while (certIter.hasNext())
{
((PKIXCertPathChecker)certIter.next()).init(false);
}
}
catch (CertPathValidatorException cpve)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certPathCheckerError",
new Object[] {cpve.getMessage(),cpve,cpve.getClass().getName()});
throw new CertPathReviewerException(msg,cpve);
}
//
// process critical extesions for each certificate
//
X509Certificate cert = null;
int index;
for (index = certs.size()-1; index >= 0; index--)
{
cert = (X509Certificate) certs.get(index);
Set criticalExtensions = cert.getCriticalExtensionOIDs();
if (criticalExtensions == null || criticalExtensions.isEmpty())
{
continue;
}
// remove already processed extensions
criticalExtensions.remove(KEY_USAGE);
criticalExtensions.remove(CERTIFICATE_POLICIES);
criticalExtensions.remove(POLICY_MAPPINGS);
criticalExtensions.remove(INHIBIT_ANY_POLICY);
criticalExtensions.remove(ISSUING_DISTRIBUTION_POINT);
criticalExtensions.remove(DELTA_CRL_INDICATOR);
criticalExtensions.remove(POLICY_CONSTRAINTS);
criticalExtensions.remove(BASIC_CONSTRAINTS);
criticalExtensions.remove(SUBJECT_ALTERNATIVE_NAME);
criticalExtensions.remove(NAME_CONSTRAINTS);
// process qcStatements extension
if (criticalExtensions.contains(QC_STATEMENT))
{
if (processQcStatements(cert,index))
{
criticalExtensions.remove(QC_STATEMENT);
}
}
Iterator tmpIter = pathCheckers.iterator();
while (tmpIter.hasNext())
{
try
{
((PKIXCertPathChecker)tmpIter.next()).check(cert, criticalExtensions);
}
catch (CertPathValidatorException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.criticalExtensionError",
new Object[] {e.getMessage(),e,e.getClass().getName()});
throw new CertPathReviewerException(msg,e.getCause(),certPath,index);
}
}
if (!criticalExtensions.isEmpty())
{
ErrorBundle msg;
Iterator it = criticalExtensions.iterator();
while (it.hasNext())
{
msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.unknownCriticalExt",
new Object[] {new ASN1ObjectIdentifier((String) it.next())});
addError(msg, index);
}
}
}
}
catch (CertPathReviewerException cpre)
{
addError(cpre.getErrorMessage(),cpre.getIndex());
}
}
private boolean processQcStatements(
X509Certificate cert,
int index)
{
try
{
boolean unknownStatement = false;
ASN1Sequence qcSt = (ASN1Sequence) getExtensionValue(cert,QC_STATEMENT);
for (int j = 0; j < qcSt.size(); j++)
{
QCStatement stmt = QCStatement.getInstance(qcSt.getObjectAt(j));
if (QCStatement.id_etsi_qcs_QcCompliance.equals(stmt.getStatementId()))
{
// process statement - just write a notification that the certificate contains this statement
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcEuCompliance");
addNotification(msg,index);
}
else if (QCStatement.id_qcs_pkixQCSyntax_v1.equals(stmt.getStatementId()))
{
// process statement - just recognize the statement
}
else if (QCStatement.id_etsi_qcs_QcSSCD.equals(stmt.getStatementId()))
{
// process statement - just write a notification that the certificate contains this statement
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcSSCD");
addNotification(msg,index);
}
else if (QCStatement.id_etsi_qcs_LimiteValue.equals(stmt.getStatementId()))
{
// process statement - write a notification containing the limit value
MonetaryValue limit = MonetaryValue.getInstance(stmt.getStatementInfo());
Iso4217CurrencyCode currency = limit.getCurrency();
double value = limit.getAmount().doubleValue() * Math.pow(10,limit.getExponent().doubleValue());
ErrorBundle msg;
if (limit.getCurrency().isAlphabetic())
{
msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcLimitValueAlpha",
new Object[] {limit.getCurrency().getAlphabetic(),
new TrustedInput(new Double(value)),
limit});
}
else
{
msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcLimitValueNum",
new Object[]{Integers.valueOf(limit.getCurrency().getNumeric()),
new TrustedInput(new Double(value)),
limit});
}
addNotification(msg,index);
}
else
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcUnknownStatement",
new Object[] {stmt.getStatementId(),new UntrustedInput(stmt)});
addNotification(msg,index);
unknownStatement = true;
}
}
return !unknownStatement;
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.QcStatementExtError");
addError(msg,index);
}
return false;
}
private String IPtoString(byte[] ip)
{
String result;
try
{
result = InetAddress.getByAddress(ip).getHostAddress();
}
catch (Exception e)
{
StringBuffer b = new StringBuffer();
for (int i = 0; i != ip.length; i++)
{
b.append(Integer.toHexString(ip[i] & 0xff));
b.append(' ');
}
result = b.toString();
}
return result;
}
protected void checkRevocation(PKIXParameters paramsPKIX,
X509Certificate cert,
Date validDate,
X509Certificate sign,
PublicKey workingPublicKey,
Vector crlDistPointUrls,
Vector ocspUrls,
int index)
throws CertPathReviewerException
{
checkCRLs(paramsPKIX, cert, validDate, sign, workingPublicKey, crlDistPointUrls, index);
}
protected void checkCRLs(
PKIXParameters paramsPKIX,
X509Certificate cert,
Date validDate,
X509Certificate sign,
PublicKey workingPublicKey,
Vector crlDistPointUrls,
int index)
throws CertPathReviewerException
{
X509CRLStoreSelector crlselect;
crlselect = new X509CRLStoreSelector();
try
{
crlselect.addIssuerName(getEncodedIssuerPrincipal(cert).getEncoded());
}
catch (IOException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlIssuerException");
throw new CertPathReviewerException(msg,e);
}
crlselect.setCertificateChecking(cert);
Iterator crl_iter;
try
{
Collection crl_coll = CRL_UTIL.findCRLs(crlselect, paramsPKIX);
crl_iter = crl_coll.iterator();
if (crl_coll.isEmpty())
{
// notifcation - no local crls found
crl_coll = CRL_UTIL.findCRLs(new X509CRLStoreSelector(),paramsPKIX);
Iterator it = crl_coll.iterator();
List nonMatchingCrlNames = new ArrayList();
while (it.hasNext())
{
nonMatchingCrlNames.add(((X509CRL) it.next()).getIssuerX500Principal());
}
int numbOfCrls = nonMatchingCrlNames.size();
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.noCrlInCertstore",
new Object[]{new UntrustedInput(crlselect.getIssuerNames()),
new UntrustedInput(nonMatchingCrlNames),
Integers.valueOf(numbOfCrls)});
addNotification(msg,index);
}
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlExtractionError",
new Object[] {ae.getCause().getMessage(),ae.getCause(),ae.getCause().getClass().getName()});
addError(msg,index);
crl_iter = new ArrayList().iterator();
}
boolean validCrlFound = false;
X509CRL crl = null;
while (crl_iter.hasNext())
{
crl = (X509CRL)crl_iter.next();
if (crl.getNextUpdate() == null
|| paramsPKIX.getDate().before(crl.getNextUpdate()))
{
validCrlFound = true;
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.localValidCRL",
new Object[] {new TrustedInput(crl.getThisUpdate()), new TrustedInput(crl.getNextUpdate())});
addNotification(msg,index);
break;
}
else
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.localInvalidCRL",
new Object[] {new TrustedInput(crl.getThisUpdate()), new TrustedInput(crl.getNextUpdate())});
addNotification(msg,index);
}
}
// if no valid crl was found in the CertStores try to get one from a
// crl distribution point
if (!validCrlFound)
{
X509CRL onlineCRL = null;
Iterator urlIt = crlDistPointUrls.iterator();
while (urlIt.hasNext())
{
try
{
String location = (String) urlIt.next();
onlineCRL = getCRL(location);
if (onlineCRL != null)
{
// check if crl issuer is correct
if (!cert.getIssuerX500Principal().equals(onlineCRL.getIssuerX500Principal()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.onlineCRLWrongCA",
new Object[] {new UntrustedInput(onlineCRL.getIssuerX500Principal().getName()),
new UntrustedInput(cert.getIssuerX500Principal().getName()),
new UntrustedUrlInput(location)});
addNotification(msg,index);
continue;
}
if (onlineCRL.getNextUpdate() == null
|| pkixParams.getDate().before(onlineCRL.getNextUpdate()))
{
validCrlFound = true;
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.onlineValidCRL",
new Object[] {new TrustedInput(onlineCRL.getThisUpdate()),
new TrustedInput(onlineCRL.getNextUpdate()),
new UntrustedUrlInput(location)});
addNotification(msg,index);
crl = onlineCRL;
break;
}
else
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.onlineInvalidCRL",
new Object[] {new TrustedInput(onlineCRL.getThisUpdate()),
new TrustedInput(onlineCRL.getNextUpdate()),
new UntrustedUrlInput(location)});
addNotification(msg,index);
}
}
}
catch (CertPathReviewerException cpre)
{
addNotification(cpre.getErrorMessage(),index);
}
}
}
// check the crl
X509CRLEntry crl_entry;
if (crl != null)
{
if (sign != null)
{
boolean[] keyusage = sign.getKeyUsage();
if (keyusage != null
&& (keyusage.length < 7 || !keyusage[CRL_SIGN]))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noCrlSigningPermited");
throw new CertPathReviewerException(msg);
}
}
if (workingPublicKey != null)
{
try
{
crl.verify(workingPublicKey, "BC");
}
catch (Exception e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlVerifyFailed");
throw new CertPathReviewerException(msg,e);
}
}
else // issuer public key not known
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlNoIssuerPublicKey");
throw new CertPathReviewerException(msg);
}
crl_entry = crl.getRevokedCertificate(cert.getSerialNumber());
if (crl_entry != null)
{
String reason = null;
if (crl_entry.hasExtensions())
{
ASN1Enumerated reasonCode;
try
{
reasonCode = ASN1Enumerated.getInstance(getExtensionValue(crl_entry, Extension.reasonCode.getId()));
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlReasonExtError");
throw new CertPathReviewerException(msg,ae);
}
if (reasonCode != null)
{
reason = crlReasons[reasonCode.getValue().intValue()];
}
}
if (reason == null)
{
reason = crlReasons[7]; // unknown
}
// i18n reason
LocaleString ls = new LocaleString(RESOURCE_NAME, reason);
if (!validDate.before(crl_entry.getRevocationDate()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.certRevoked",
new Object[] {new TrustedInput(crl_entry.getRevocationDate()),ls});
throw new CertPathReviewerException(msg);
}
else // cert was revoked after validation date
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.revokedAfterValidation",
new Object[] {new TrustedInput(crl_entry.getRevocationDate()),ls});
addNotification(msg,index);
}
}
else // cert is not revoked
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.notRevoked");
addNotification(msg,index);
}
//
// warn if a new crl is available
//
if (crl.getNextUpdate() != null && crl.getNextUpdate().before(pkixParams.getDate()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlUpdateAvailable",
new Object[] {new TrustedInput(crl.getNextUpdate())});
addNotification(msg,index);
}
//
// check the DeltaCRL indicator, base point and the issuing distribution point
//
ASN1Primitive idp;
try
{
idp = getExtensionValue(crl, ISSUING_DISTRIBUTION_POINT);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.distrPtExtError");
throw new CertPathReviewerException(msg);
}
ASN1Primitive dci;
try
{
dci = getExtensionValue(crl, DELTA_CRL_INDICATOR);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.deltaCrlExtError");
throw new CertPathReviewerException(msg);
}
if (dci != null)
{
X509CRLStoreSelector baseSelect = new X509CRLStoreSelector();
try
{
baseSelect.addIssuerName(getIssuerPrincipal(crl).getEncoded());
}
catch (IOException e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlIssuerException");
throw new CertPathReviewerException(msg,e);
}
baseSelect.setMinCRLNumber(((ASN1Integer)dci).getPositiveValue());
try
{
baseSelect.setMaxCRLNumber(((ASN1Integer)getExtensionValue(crl, CRL_NUMBER)).getPositiveValue().subtract(BigInteger.valueOf(1)));
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlNbrExtError");
throw new CertPathReviewerException(msg,ae);
}
boolean foundBase = false;
Iterator it;
try
{
it = CRL_UTIL.findCRLs(baseSelect, paramsPKIX).iterator();
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlExtractionError");
throw new CertPathReviewerException(msg,ae);
}
while (it.hasNext())
{
X509CRL base = (X509CRL)it.next();
ASN1Primitive baseIdp;
try
{
baseIdp = getExtensionValue(base, ISSUING_DISTRIBUTION_POINT);
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.distrPtExtError");
throw new CertPathReviewerException(msg,ae);
}
if (idp == null)
{
if (baseIdp == null)
{
foundBase = true;
break;
}
}
else
{
if (idp.equals(baseIdp))
{
foundBase = true;
break;
}
}
}
if (!foundBase)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noBaseCRL");
throw new CertPathReviewerException(msg);
}
}
if (idp != null)
{
IssuingDistributionPoint p = IssuingDistributionPoint.getInstance(idp);
BasicConstraints bc = null;
try
{
bc = BasicConstraints.getInstance(getExtensionValue(cert, BASIC_CONSTRAINTS));
}
catch (AnnotatedException ae)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlBCExtError");
throw new CertPathReviewerException(msg,ae);
}
if (p.onlyContainsUserCerts() && (bc != null && bc.isCA()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlOnlyUserCert");
throw new CertPathReviewerException(msg);
}
if (p.onlyContainsCACerts() && (bc == null || !bc.isCA()))
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlOnlyCaCert");
throw new CertPathReviewerException(msg);
}
if (p.onlyContainsAttributeCerts())
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.crlOnlyAttrCert");
throw new CertPathReviewerException(msg);
}
}
}
if (!validCrlFound)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.noValidCrlFound");
throw new CertPathReviewerException(msg);
}
}
protected Vector getCRLDistUrls(CRLDistPoint crlDistPoints)
{
Vector urls = new Vector();
if (crlDistPoints != null)
{
DistributionPoint[] distPoints = crlDistPoints.getDistributionPoints();
for (int i = 0; i < distPoints.length; i++)
{
DistributionPointName dp_name = distPoints[i].getDistributionPoint();
if (dp_name.getType() == DistributionPointName.FULL_NAME)
{
GeneralName[] generalNames = GeneralNames.getInstance(dp_name.getName()).getNames();
for (int j = 0; j < generalNames.length; j++)
{
if (generalNames[j].getTagNo() == GeneralName.uniformResourceIdentifier)
{
String url = ((DERIA5String) generalNames[j].getName()).getString();
urls.add(url);
}
}
}
}
}
return urls;
}
protected Vector getOCSPUrls(AuthorityInformationAccess authInfoAccess)
{
Vector urls = new Vector();
if (authInfoAccess != null)
{
AccessDescription[] ads = authInfoAccess.getAccessDescriptions();
for (int i = 0; i < ads.length; i++)
{
if (ads[i].getAccessMethod().equals(AccessDescription.id_ad_ocsp))
{
GeneralName name = ads[i].getAccessLocation();
if (name.getTagNo() == GeneralName.uniformResourceIdentifier)
{
String url = ((DERIA5String) name.getName()).getString();
urls.add(url);
}
}
}
}
return urls;
}
private X509CRL getCRL(String location) throws CertPathReviewerException
{
X509CRL result = null;
try
{
URL url = new URL(location);
if (url.getProtocol().equals("http") || url.getProtocol().equals("https"))
{
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setUseCaches(false);
//conn.setConnectTimeout(2000);
conn.setDoInput(true);
conn.connect();
if (conn.getResponseCode() == HttpURLConnection.HTTP_OK)
{
CertificateFactory cf = CertificateFactory.getInstance("X.509","BC");
result = (X509CRL) cf.generateCRL(conn.getInputStream());
}
else
{
throw new Exception(conn.getResponseMessage());
}
}
}
catch (Exception e)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,
"CertPathReviewer.loadCrlDistPointError",
new Object[] {new UntrustedInput(location),
e.getMessage(),e,e.getClass().getName()});
throw new CertPathReviewerException(msg);
}
return result;
}
protected Collection getTrustAnchors(X509Certificate cert, Set trustanchors) throws CertPathReviewerException
{
Collection trustColl = new ArrayList();
Iterator it = trustanchors.iterator();
X509CertSelector certSelectX509 = new X509CertSelector();
try
{
certSelectX509.setSubject(getEncodedIssuerPrincipal(cert).getEncoded());
byte[] ext = cert.getExtensionValue(Extension.authorityKeyIdentifier.getId());
if (ext != null)
{
ASN1OctetString oct = (ASN1OctetString)ASN1Primitive.fromByteArray(ext);
AuthorityKeyIdentifier authID = AuthorityKeyIdentifier.getInstance(ASN1Primitive.fromByteArray(oct.getOctets()));
certSelectX509.setSerialNumber(authID.getAuthorityCertSerialNumber());
byte[] keyID = authID.getKeyIdentifier();
if (keyID != null)
{
certSelectX509.setSubjectKeyIdentifier(new DEROctetString(keyID).getEncoded());
}
}
}
catch (IOException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.trustAnchorIssuerError");
throw new CertPathReviewerException(msg);
}
while (it.hasNext())
{
TrustAnchor trust = (TrustAnchor) it.next();
if (trust.getTrustedCert() != null)
{
if (certSelectX509.match(trust.getTrustedCert()))
{
trustColl.add(trust);
}
}
else if (trust.getCAName() != null && trust.getCAPublicKey() != null)
{
X500Principal certIssuer = getEncodedIssuerPrincipal(cert);
X500Principal caName = new X500Principal(trust.getCAName());
if (certIssuer.equals(caName))
{
trustColl.add(trust);
}
}
}
return trustColl;
}
}
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