src/org/cacert/gigi/pages/account/certs/CertificateRequest.java

   1 package org.cacert.gigi.pages.account.certs;
   2
   3 import java.io.IOException;
   4 import java.io.PrintWriter;
   5 import java.security.GeneralSecurityException;
   6 import java.security.PublicKey;
   7 import java.security.interfaces.DSAPublicKey;
   8 import java.security.interfaces.ECPublicKey;
   9 import java.security.interfaces.RSAPublicKey;
  10 import java.util.Base64;
  11 import java.util.HashMap;
  12 import java.util.HashSet;
  13 import java.util.LinkedHashSet;
  14 import java.util.Set;
  15 import java.util.TreeSet;
  16
  17 import javax.servlet.http.HttpServletRequest;
  18
  19 import org.cacert.gigi.GigiApiException;
  20 import org.cacert.gigi.crypto.SPKAC;
  21 import org.cacert.gigi.dbObjects.Certificate;
  22 import org.cacert.gigi.dbObjects.Certificate.CSRType;
  23 import org.cacert.gigi.dbObjects.Certificate.SANType;
  24 import org.cacert.gigi.dbObjects.Certificate.SubjectAlternateName;
  25 import org.cacert.gigi.dbObjects.CertificateOwner;
  26 import org.cacert.gigi.dbObjects.CertificateProfile;
  27 import org.cacert.gigi.dbObjects.CertificateProfile.PropertyTemplate;
  28 import org.cacert.gigi.dbObjects.Digest;
  29 import org.cacert.gigi.dbObjects.Group;
  30 import org.cacert.gigi.dbObjects.Organisation;
  31 import org.cacert.gigi.dbObjects.User;
  32 import org.cacert.gigi.output.template.SprintfCommand;
  33 import org.cacert.gigi.util.AuthorizationContext;
  34 import org.cacert.gigi.util.CAA;
  35 import org.cacert.gigi.util.DomainAssessment;
  36 import org.cacert.gigi.util.PEM;
  37 import org.cacert.gigi.util.RateLimit;
  38
  39 import sun.security.pkcs.PKCS9Attribute;
  40 import sun.security.pkcs10.PKCS10;
  41 import sun.security.pkcs10.PKCS10Attribute;
  42 import sun.security.pkcs10.PKCS10Attributes;
  43 import sun.security.util.DerInputStream;
  44 import sun.security.util.DerValue;
  45 import sun.security.util.ObjectIdentifier;
  46 import sun.security.x509.AVA;
  47 import sun.security.x509.AlgorithmId;
  48 import sun.security.x509.CertificateExtensions;
  49 import sun.security.x509.DNSName;
  50 import sun.security.x509.ExtendedKeyUsageExtension;
  51 import sun.security.x509.Extension;
  52 import sun.security.x509.GeneralName;
  53 import sun.security.x509.GeneralNameInterface;
  54 import sun.security.x509.GeneralNames;
  55 import sun.security.x509.PKIXExtensions;
  56 import sun.security.x509.RDN;
  57 import sun.security.x509.RFC822Name;
  58 import sun.security.x509.SubjectAlternativeNameExtension;
  59 import sun.security.x509.X500Name;
  60
  61 public class CertificateRequest {
  62
  63     public static final String DEFAULT_CN = "CAcert WoT User";
  64
  65     public static final ObjectIdentifier OID_KEY_USAGE_SSL_SERVER = ObjectIdentifier.newInternal(new int[] {
  66             1, 3, 6, 1, 5, 5, 7, 3, 1
  67     });
  68
  69     public static final ObjectIdentifier OID_KEY_USAGE_SSL_CLIENT = ObjectIdentifier.newInternal(new int[] {
  70             1, 3, 6, 1, 5, 5, 7, 3, 2
  71     });
  72
  73     public static final ObjectIdentifier OID_KEY_USAGE_CODESIGN = ObjectIdentifier.newInternal(new int[] {
  74             1, 3, 6, 1, 5, 5, 7, 3, 3
  75     });
  76
  77     public static final ObjectIdentifier OID_KEY_USAGE_EMAIL_PROTECTION = ObjectIdentifier.newInternal(new int[] {
  78             1, 3, 6, 1, 5, 5, 7, 3, 4
  79     });
  80
  81     public static final ObjectIdentifier OID_KEY_USAGE_TIMESTAMP = ObjectIdentifier.newInternal(new int[] {
  82             1, 3, 6, 1, 5, 5, 7, 3, 8
  83     });
  84
  85     public static final ObjectIdentifier OID_KEY_USAGE_OCSP = ObjectIdentifier.newInternal(new int[] {
  86             1, 3, 6, 1, 5, 5, 7, 3, 9
  87     });
  88
  89     private CSRType csrType;
  90
  91     private final PublicKey pk;
  92
  93     private String csr;
  94
  95     public String name = DEFAULT_CN;
  96
  97     private Set<SubjectAlternateName> SANs;
  98
  99     private Digest selectedDigest = Digest.getDefault();
 100
 101     private CertificateProfile profile = CertificateProfile.getById(1);
 102
 103     private String ou = "";
 104
 105     private AuthorizationContext ctx;
 106
 107     private String pDNS, pMail;
 108
 109     public CertificateRequest(AuthorizationContext c, String csr) throws IOException, GeneralSecurityException, GigiApiException {
 110         this(c, csr, (CertificateProfile) null);
 111     }
 112
 113     public CertificateRequest(AuthorizationContext ctx, String csr, CertificateProfile cp) throws GeneralSecurityException, IOException, IOException {
 114         this.ctx = ctx;
 115         if (cp != null) {
 116             profile = cp;
 117         } else if (ctx.getActor().getAssurancePoints() > 50) {
 118             profile = CertificateProfile.getByName("client-a");
 119         }
 120         byte[] data = PEM.decode("(NEW )?CERTIFICATE REQUEST", csr);
 121         PKCS10 parsed = new PKCS10(data);
 122         PKCS10Attributes atts = parsed.getAttributes();
 123
 124         TreeSet<SubjectAlternateName> SANs = new TreeSet<>();
 125         for (RDN r : parsed.getSubjectName().rdns()) {
 126             for (AVA a : r.avas()) {
 127                 if (a.getObjectIdentifier().equals((Object) PKCS9Attribute.EMAIL_ADDRESS_OID)) {
 128                     SANs.add(new SubjectAlternateName(SANType.EMAIL, a.getValueString()));
 129                 } else if (a.getObjectIdentifier().equals((Object) X500Name.commonName_oid)) {
 130                     String value = a.getValueString();
 131                     if (value.contains(".") && !value.contains(" ")) {
 132                         SANs.add(new SubjectAlternateName(SANType.DNS, value));
 133                     } else {
 134                         name = value;
 135                     }
 136                 } else if (a.getObjectIdentifier().equals((Object) PKIXExtensions.SubjectAlternativeName_Id)) {
 137                     // TODO? parse invalid SANs
 138                 }
 139             }
 140         }
 141
 142         for (PKCS10Attribute b : atts.getAttributes()) {
 143
 144             if ( !b.getAttributeId().equals((Object) PKCS9Attribute.EXTENSION_REQUEST_OID)) {
 145                 // unknown attrib
 146                 continue;
 147             }
 148
 149             for (Extension c : ((CertificateExtensions) b.getAttributeValue()).getAllExtensions()) {
 150                 if (c instanceof SubjectAlternativeNameExtension) {
 151
 152                     SubjectAlternativeNameExtension san = (SubjectAlternativeNameExtension) c;
 153                     GeneralNames obj = san.get(SubjectAlternativeNameExtension.SUBJECT_NAME);
 154                     for (int i = 0; i < obj.size(); i++) {
 155                         GeneralName generalName = obj.get(i);
 156                         GeneralNameInterface peeled = generalName.getName();
 157                         if (peeled instanceof DNSName) {
 158                             SANs.add(new SubjectAlternateName(SANType.DNS, ((DNSName) peeled).getName()));
 159                         } else if (peeled instanceof RFC822Name) {
 160                             SANs.add(new SubjectAlternateName(SANType.EMAIL, ((RFC822Name) peeled).getName()));
 161                         }
 162                     }
 163                 } else if (c instanceof ExtendedKeyUsageExtension) {
 164                     ExtendedKeyUsageExtension ekue = (ExtendedKeyUsageExtension) c;
 165                     String appendix = "";
 166                     if (ctx.getActor().getAssurancePoints() >= 50) {
 167                         appendix = "-a";
 168                     }
 169                     for (String s : ekue.getExtendedKeyUsage()) {
 170                         if (s.equals(OID_KEY_USAGE_SSL_SERVER.toString())) {
 171                             // server
 172                             profile = CertificateProfile.getByName("server" + appendix);
 173                         } else if (s.equals(OID_KEY_USAGE_SSL_CLIENT.toString())) {
 174                             // client
 175                             profile = CertificateProfile.getByName("client" + appendix);
 176                         } else if (s.equals(OID_KEY_USAGE_CODESIGN.toString())) {
 177                             // code sign
 178                         } else if (s.equals(OID_KEY_USAGE_EMAIL_PROTECTION.toString())) {
 179                             // emailProtection
 180                             profile = CertificateProfile.getByName("mail" + appendix);
 181                         } else if (s.equals(OID_KEY_USAGE_TIMESTAMP.toString())) {
 182                             // timestamp
 183                         } else if (s.equals(OID_KEY_USAGE_OCSP.toString())) {
 184                             // OCSP
 185                         }
 186                     }
 187                 } else {
 188                     // Unknown requested extension
 189                 }
 190             }
 191
 192         }
 193         this.SANs = SANs;
 194         pk = parsed.getSubjectPublicKeyInfo();
 195         String sign = getSignatureAlgorithm(data);
 196         guessDigest(sign);
 197
 198         this.csr = csr;
 199         this.csrType = CSRType.CSR;
 200     }
 201
 202     public CertificateRequest(AuthorizationContext ctx, String spkac, String spkacChallenge) throws IOException, GigiApiException, GeneralSecurityException {
 203         this.ctx = ctx;
 204         String cleanedSPKAC = spkac.replaceAll("[\r\n]", "");
 205         byte[] data = Base64.getDecoder().decode(cleanedSPKAC);
 206         SPKAC parsed = new SPKAC(data);
 207         if ( !parsed.getChallenge().equals(spkacChallenge)) {
 208             throw new GigiApiException("Challenge mismatch");
 209         }
 210         pk = parsed.getPubkey();
 211         String sign = getSignatureAlgorithm(data);
 212         guessDigest(sign);
 213         this.SANs = new HashSet<>();
 214         this.csr = "SPKAC=" + cleanedSPKAC;
 215         this.csrType = CSRType.SPKAC;
 216
 217     }
 218
 219     private static String getSignatureAlgorithm(byte[] data) throws IOException {
 220         DerInputStream in = new DerInputStream(data);
 221         DerValue[] seq = in.getSequence(3);
 222         return AlgorithmId.parse(seq[1]).getName();
 223     }
 224
 225     private void guessDigest(String sign) {
 226         if (sign.toLowerCase().startsWith("sha512")) {
 227             selectedDigest = Digest.SHA512;
 228         } else if (sign.toLowerCase().startsWith("sha384")) {
 229             selectedDigest = Digest.SHA384;
 230         }
 231     }
 232
 233     public void checkKeyStrength(PrintWriter out) {
 234         out.println("Type: " + pk.getAlgorithm() + "<br/>");
 235         if (pk instanceof RSAPublicKey) {
 236             out.println("Exponent: " + ((RSAPublicKey) pk).getPublicExponent() + "<br/>");
 237             out.println("Length: " + ((RSAPublicKey) pk).getModulus().bitLength());
 238         } else if (pk instanceof DSAPublicKey) {
 239             DSAPublicKey dpk = (DSAPublicKey) pk;
 240             out.println("Length: " + dpk.getY().bitLength() + "<br/>");
 241             out.println(dpk.getParams());
 242         } else if (pk instanceof ECPublicKey) {
 243             ECPublicKey epk = (ECPublicKey) pk;
 244             out.println("Length-x: " + epk.getW().getAffineX().bitLength() + "<br/>");
 245             out.println("Length-y: " + epk.getW().getAffineY().bitLength() + "<br/>");
 246             out.println(epk.getParams().getCurve());
 247         }
 248     }
 249
 250     private Set<SubjectAlternateName> parseSANBox(String SANs) {
 251         String[] SANparts = SANs.split("[\r\n]+|, *");
 252         Set<SubjectAlternateName> parsedNames = new LinkedHashSet<>();
 253         for (String SANline : SANparts) {
 254             String[] parts = SANline.split(":", 2);
 255             if (parts.length == 1) {
 256                 if (parts[0].trim().equals("")) {
 257                     continue;
 258                 }
 259                 if (parts[0].contains("@")) {
 260                     parsedNames.add(new SubjectAlternateName(SANType.EMAIL, parts[0]));
 261                 } else {
 262                     parsedNames.add(new SubjectAlternateName(SANType.DNS, parts[0]));
 263                 }
 264                 continue;
 265             }
 266             try {
 267                 SANType t = Certificate.SANType.valueOf(parts[0].toUpperCase().trim());
 268                 if (t == null) {
 269                     continue;
 270                 }
 271                 parsedNames.add(new SubjectAlternateName(t, parts[1].trim()));
 272             } catch (IllegalArgumentException e) {
 273                 // invalid enum type
 274                 continue;
 275             }
 276         }
 277         return parsedNames;
 278     }
 279
 280     public Set<SubjectAlternateName> getSANs() {
 281         return SANs;
 282     }
 283
 284     public String getName() {
 285         return name;
 286     }
 287
 288     public synchronized String getOu() {
 289         if (ctx.getTarget() instanceof Organisation) {
 290             return ou;
 291         }
 292         throw new IllegalStateException();
 293     }
 294
 295     public Digest getSelectedDigest() {
 296         return selectedDigest;
 297     }
 298
 299     public CertificateProfile getProfile() {
 300         return profile;
 301     }
 302
 303     public synchronized boolean update(String nameIn, String hashAlg, String profileStr, String newOrgStr, String ou, String SANsStr, PrintWriter out, HttpServletRequest req) throws GigiApiException {
 304         GigiApiException error = new GigiApiException();
 305         this.name = nameIn;
 306         if (hashAlg != null) {
 307             selectedDigest = Digest.valueOf(hashAlg);
 308         }
 309         this.profile = CertificateProfile.getByName(profileStr);
 310         if (ctx.getTarget() instanceof Organisation) {
 311             this.ou = ou;
 312         }
 313
 314         if ( !this.profile.canBeIssuedBy(ctx.getTarget(), ctx.getActor())) {
 315             this.profile = CertificateProfile.getById(1);
 316             error.mergeInto(new GigiApiException("Certificate Profile is invalid."));
 317             throw error;
 318         }
 319
 320         verifySANs(error, profile, parseSANBox(SANsStr), ctx.getTarget(), ctx.getActor());
 321
 322         if ( !error.isEmpty()) {
 323             throw error;
 324         }
 325         return true;
 326     }
 327
 328     private void verifySANs(GigiApiException error, CertificateProfile p, Set<SubjectAlternateName> sANs2, CertificateOwner owner, User user) {
 329         Set<SubjectAlternateName> filteredSANs = new LinkedHashSet<>();
 330         PropertyTemplate domainTemp = p.getTemplates().get("domain");
 331         PropertyTemplate emailTemp = p.getTemplates().get("email");
 332         pDNS = null;
 333         pMail = null;
 334         for (SubjectAlternateName san : sANs2) {
 335             if (san.getType() == SANType.DNS) {
 336                 if (domainTemp != null && owner.isValidDomain(san.getName())) {
 337                     boolean valid;
 338                     try {
 339                         DomainAssessment.checkCertifiableDomain(san.getName(), user.isInGroup(Group.CODESIGNING), false);
 340                         valid = true;
 341                     } catch (GigiApiException e) {
 342                         valid = false;
 343                     }
 344                     if ( !valid || !CAA.verifyDomainAccess(owner, p, san.getName()) || (pDNS != null && !domainTemp.isMultiple())) {
 345                         // remove
 346                     } else {
 347                         if (pDNS == null) {
 348                             pDNS = san.getName();
 349                         }
 350                         filteredSANs.add(san);
 351                         continue;
 352                     }
 353                 }
 354             } else if (san.getType() == SANType.EMAIL) {
 355                 if (emailTemp != null && owner.isValidEmail(san.getName())) {
 356                     if (pMail != null && !emailTemp.isMultiple()) {
 357                         // remove
 358                     } else {
 359                         if (pMail == null) {
 360                             pMail = san.getName();
 361                         }
 362                         filteredSANs.add(san);
 363                         continue;
 364                     }
 365                 }
 366             }
 367             error.mergeInto(new GigiApiException(SprintfCommand.createSimple(//
 368                     "The requested Subject alternate name \"{0}\" has been removed.", san.getType().toString().toLowerCase() + ":" + san.getName())));
 369         }
 370         SANs = filteredSANs;
 371     }
 372
 373     // domain email name name=WoTUser orga
 374     public synchronized Certificate draft() throws GigiApiException {
 375
 376         GigiApiException error = new GigiApiException();
 377
 378         HashMap<String, String> subject = new HashMap<>();
 379         PropertyTemplate domainTemp = profile.getTemplates().get("domain");
 380         PropertyTemplate emailTemp = profile.getTemplates().get("email");
 381         PropertyTemplate nameTemp = profile.getTemplates().get("name");
 382         PropertyTemplate wotUserTemp = profile.getTemplates().get("name=WoTUser");
 383         verifySANs(error, profile, SANs, ctx.getTarget(), ctx.getActor());
 384
 385         // Ok, let's determine the CN
 386         // the CN is
 387         // 1. the user's "real name", iff the real name is to be included i.e.
 388         // not empty (name), or to be forced to WOTUser
 389
 390         // 2. the user's "primary domain", iff "1." doesn't match and there is a
 391         // primary domain. (domainTemp != null)
 392
 393         String verifiedCN = null;
 394         if (ctx.getTarget() instanceof Organisation) {
 395             if ( !name.equals("")) {
 396                 verifiedCN = name;
 397             }
 398         } else {
 399             verifiedCN = verifyName(error, nameTemp, wotUserTemp, verifiedCN);
 400         }
 401         if (pDNS == null && domainTemp != null && domainTemp.isRequired()) {
 402             error.mergeInto(new GigiApiException("Server Certificates require a DNS name."));
 403         } else if (domainTemp != null && verifiedCN == null) {
 404             // user may add domains
 405             verifiedCN = pDNS;
 406         }
 407         if (verifiedCN != null) {
 408             subject.put("CN", verifiedCN);
 409         }
 410
 411         if (pMail != null) {
 412             if (emailTemp != null) {
 413                 subject.put("EMAIL", pMail);
 414             } else {
 415                 // verify SANs should prevent this
 416                 pMail = null;
 417                 error.mergeInto(new GigiApiException("You may not include an email in this certificate."));
 418             }
 419         } else {
 420             if (emailTemp != null && emailTemp.isRequired()) {
 421                 error.mergeInto(new GigiApiException("You need to include an email in this certificate."));
 422             }
 423         }
 424
 425         if (ctx.getTarget() instanceof Organisation) {
 426             Organisation org = (Organisation) ctx.getTarget();
 427             subject.put("O", org.getName());
 428             subject.put("C", org.getState());
 429             subject.put("ST", org.getProvince());
 430             subject.put("L", org.getCity());
 431             if (ou != null) {
 432                 subject.put("OU", ou);
 433             }
 434         }
 435         System.out.println(subject);
 436         if ( !error.isEmpty()) {
 437             throw error;
 438         }
 439         try {
 440             if (RATE_LIMIT.isLimitExceeded(Integer.toString(ctx.getActor().getId()))) {
 441                 throw new GigiApiException("Rate Limit Exceeded");
 442             }
 443             return new Certificate(ctx.getTarget(), ctx.getActor(), subject, selectedDigest, //
 444                     this.csr, this.csrType, profile, SANs.toArray(new SubjectAlternateName[SANs.size()]));
 445         } catch (IOException e) {
 446             e.printStackTrace();
 447         }
 448         return null;
 449     }
 450
 451     // 100 per 10 minutes
 452     public static final RateLimit RATE_LIMIT = new RateLimit(100, 10 * 60 * 1000);
 453
 454     private String verifyName(GigiApiException error, PropertyTemplate nameTemp, PropertyTemplate wotUserTemp, String verifiedCN) {
 455         // real names,
 456         // possible configurations: name {y,null,?}, name=WoTUser {y,null}
 457         // semantics:
 458         // y * -> real
 459         // null y -> default
 460         // null null -> null
 461         // ? y -> real, default
 462         // ? null -> real, default, null
 463         boolean realIsOK = false;
 464         boolean nullIsOK = false;
 465         boolean defaultIsOK = false;
 466         if (wotUserTemp != null && ( !wotUserTemp.isRequired() || wotUserTemp.isMultiple())) {
 467             error.mergeInto(new GigiApiException("Internal configuration error detected."));
 468         }
 469         if (nameTemp != null && nameTemp.isRequired() && !nameTemp.isMultiple()) {
 470             realIsOK = true;
 471         } else if (nameTemp == null) {
 472             defaultIsOK = wotUserTemp != null;
 473             nullIsOK = !defaultIsOK;
 474         } else if (nameTemp != null && !nameTemp.isRequired() && !nameTemp.isMultiple()) {
 475             realIsOK = true;
 476             defaultIsOK = true;
 477             nullIsOK = wotUserTemp == null;
 478         } else {
 479             error.mergeInto(new GigiApiException("Internal configuration error detected."));
 480         }
 481         if (ctx.getTarget() instanceof User) {
 482             User u = (User) ctx.getTarget();
 483             if (name != null && u.isValidName(name)) {
 484                 if (realIsOK) {
 485                     verifiedCN = name;
 486                 } else {
 487                     error.mergeInto(new GigiApiException("Your real name is not allowed in this certificate."));
 488                     if (defaultIsOK) {
 489                         name = DEFAULT_CN;
 490                     } else if (nullIsOK) {
 491                         name = "";
 492                     }
 493                 }
 494             } else if (name != null && name.equals(DEFAULT_CN)) {
 495                 if (defaultIsOK) {
 496                     verifiedCN = name;
 497                 } else {
 498                     error.mergeInto(new GigiApiException("The default name is not allowed in this certificate."));
 499                     if (nullIsOK) {
 500                         name = "";
 501                     } else if (realIsOK) {
 502                         name = u.getName().toString();
 503                     }
 504                 }
 505             } else if (name == null || name.equals("")) {
 506                 if (nullIsOK) {
 507                     verifiedCN = "";
 508                 } else {
 509                     error.mergeInto(new GigiApiException("A name is required in this certificate."));
 510                     if (defaultIsOK) {
 511                         name = DEFAULT_CN;
 512                     } else if (realIsOK) {
 513                         name = u.getName().toString();
 514                     }
 515                 }
 516             } else {
 517                 error.mergeInto(new GigiApiException("The name you entered was invalid."));
 518
 519             }
 520             if (wotUserTemp != null) {
 521                 if ( !wotUserTemp.isRequired() || wotUserTemp.isMultiple()) {
 522                     error.mergeInto(new GigiApiException("Internal configuration error detected."));
 523                 }
 524                 if ( !name.equals(DEFAULT_CN)) {
 525                     name = DEFAULT_CN;
 526                     error.mergeInto(new GigiApiException("You may not change the name for this certificate type."));
 527                 } else {
 528                     verifiedCN = DEFAULT_CN;
 529                 }
 530
 531             } else {
 532                 if (nameTemp != null) {
 533                     if (name.equals("")) {
 534                         if (nameTemp.isRequired()) {
 535                             // nothing, but required
 536                             name = DEFAULT_CN;
 537                             error.mergeInto(new GigiApiException("No name entered, but one was required."));
 538                         } else {
 539                             // nothing and not required
 540
 541                         }
 542                     } else if (u.isValidName(name)) {
 543                         verifiedCN = name;
 544                     } else {
 545                         if (nameTemp.isRequired()) {
 546                             error.mergeInto(new GigiApiException("The name entered, does not match the details in your account. You cannot issue certificates with this name. Enter a name that matches the one that has been assured in your account, because a name is required for this certificate type."));
 547                         } else if (name.equals(DEFAULT_CN)) {
 548                             verifiedCN = DEFAULT_CN;
 549                         } else {
 550                             name = DEFAULT_CN;
 551                             error.mergeInto(new GigiApiException("The name entered, does not match the details in your account. You cannot issue certificates with this name. Enter a name that matches the one that has been assured in your account or keep the default name."));
 552                         }
 553                     }
 554                 } else {
 555                     if ( !name.equals("")) {
 556                         name = "";
 557                         error.mergeInto(new GigiApiException("No real name is included in this certificate. The real name, you entered will be ignored."));
 558                     }
 559                 }
 560             }
 561         } else {
 562             if (realIsOK) {
 563                 verifiedCN = name;
 564             } else {
 565                 verifiedCN = "";
 566                 name = "";
 567                 error.mergeInto(new GigiApiException("No real name is included in this certificate. The real name, you entered will be ignored."));
 568             }
 569         }
 570
 571         return verifiedCN;
 572     }
 573 }