J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Portions Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | * =========================================================================== |
| 28 | * |
| 29 | * (C) Copyright IBM Corp. 2003 All Rights Reserved. |
| 30 | * |
| 31 | * =========================================================================== |
| 32 | */ |
| 33 | /* |
| 34 | * $Id: DOMXMLSignature.java,v 1.42 2005/09/23 20:29:04 mullan Exp $ |
| 35 | */ |
| 36 | package org.jcp.xml.dsig.internal.dom; |
| 37 | |
| 38 | import javax.xml.crypto.*; |
| 39 | import javax.xml.crypto.dom.*; |
| 40 | import javax.xml.crypto.dsig.*; |
| 41 | import javax.xml.crypto.dsig.dom.DOMSignContext; |
| 42 | import javax.xml.crypto.dsig.dom.DOMValidateContext; |
| 43 | import javax.xml.crypto.dsig.keyinfo.KeyInfo; |
| 44 | |
| 45 | import java.io.*; |
| 46 | import java.security.InvalidKeyException; |
| 47 | import java.security.Key; |
| 48 | import java.util.Collections; |
| 49 | import java.util.ArrayList; |
| 50 | import java.util.HashMap; |
| 51 | import java.util.List; |
| 52 | import java.util.logging.Level; |
| 53 | import java.util.logging.Logger; |
| 54 | import org.w3c.dom.Document; |
| 55 | import org.w3c.dom.Element; |
| 56 | import org.w3c.dom.Node; |
| 57 | |
| 58 | import com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException; |
| 59 | import com.sun.org.apache.xml.internal.security.utils.Base64; |
| 60 | |
| 61 | /** |
| 62 | * DOM-based implementation of XMLSignature. |
| 63 | * |
| 64 | * @author Sean Mullan |
| 65 | * @author Joyce Leung |
| 66 | */ |
| 67 | public final class DOMXMLSignature extends DOMStructure |
| 68 | implements XMLSignature { |
| 69 | |
| 70 | private static Logger log = Logger.getLogger("org.jcp.xml.dsig.internal.dom"); |
| 71 | private String id; |
| 72 | private SignatureValue sv; |
| 73 | private KeyInfo ki; |
| 74 | private List objects; |
| 75 | private SignedInfo si; |
| 76 | private Document ownerDoc = null; |
| 77 | private Element localSigElem = null; |
| 78 | private Element sigElem = null; |
| 79 | private boolean validationStatus; |
| 80 | private boolean validated = false; |
| 81 | private KeySelectorResult ksr; |
| 82 | private HashMap signatureIdMap; |
| 83 | |
| 84 | static { |
| 85 | com.sun.org.apache.xml.internal.security.Init.init(); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Creates a <code>DOMXMLSignature</code> from the specified components. |
| 90 | * |
| 91 | * @param si the <code>SignedInfo</code> |
| 92 | * @param ki the <code>KeyInfo</code>, or <code>null</code> if not specified |
| 93 | * @param objs a list of <code>XMLObject</code>s or <code>null</code> |
| 94 | * if not specified. The list is copied to protect against subsequent |
| 95 | * modification. |
| 96 | * @param id an optional id (specify <code>null</code> to omit) |
| 97 | * @param signatureValueId an optional id (specify <code>null</code> to |
| 98 | * omit) |
| 99 | * @throws NullPointerException if <code>si</code> is <code>null</code> |
| 100 | */ |
| 101 | public DOMXMLSignature(SignedInfo si, KeyInfo ki, List objs, String id, |
| 102 | String signatureValueId) |
| 103 | { |
| 104 | if (si == null) { |
| 105 | throw new NullPointerException("signedInfo cannot be null"); |
| 106 | } |
| 107 | this.si = si; |
| 108 | this.id = id; |
| 109 | this.sv = new DOMSignatureValue(signatureValueId); |
| 110 | if (objs == null) { |
| 111 | this.objects = Collections.EMPTY_LIST; |
| 112 | } else { |
| 113 | List objsCopy = new ArrayList(objs); |
| 114 | for (int i = 0, size = objsCopy.size(); i < size; i++) { |
| 115 | if (!(objsCopy.get(i) instanceof XMLObject)) { |
| 116 | throw new ClassCastException |
| 117 | ("objs["+i+"] is not an XMLObject"); |
| 118 | } |
| 119 | } |
| 120 | this.objects = Collections.unmodifiableList(objsCopy); |
| 121 | } |
| 122 | this.ki = ki; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Creates a <code>DOMXMLSignature</code> from XML. |
| 127 | * |
| 128 | * @param sigElem Signature element |
| 129 | * @throws MarshalException if XMLSignature cannot be unmarshalled |
| 130 | */ |
| 131 | public DOMXMLSignature(Element sigElem, XMLCryptoContext context) |
| 132 | throws MarshalException { |
| 133 | localSigElem = sigElem; |
| 134 | ownerDoc = localSigElem.getOwnerDocument(); |
| 135 | |
| 136 | // get Id attribute, if specified |
| 137 | id = DOMUtils.getAttributeValue(localSigElem, "Id"); |
| 138 | |
| 139 | // unmarshal SignedInfo |
| 140 | Element siElem = DOMUtils.getFirstChildElement(localSigElem); |
| 141 | si = new DOMSignedInfo(siElem, context); |
| 142 | |
| 143 | // unmarshal SignatureValue |
| 144 | Element sigValElem = DOMUtils.getNextSiblingElement(siElem); |
| 145 | sv = new DOMSignatureValue(sigValElem); |
| 146 | |
| 147 | // unmarshal KeyInfo, if specified |
| 148 | Element nextSibling = DOMUtils.getNextSiblingElement(sigValElem); |
| 149 | if (nextSibling != null && nextSibling.getLocalName().equals("KeyInfo")) { |
| 150 | ki = new DOMKeyInfo(nextSibling, context); |
| 151 | nextSibling = DOMUtils.getNextSiblingElement(nextSibling); |
| 152 | } |
| 153 | |
| 154 | // unmarshal Objects, if specified |
| 155 | if (nextSibling == null) { |
| 156 | objects = Collections.EMPTY_LIST; |
| 157 | } else { |
| 158 | List tempObjects = new ArrayList(); |
| 159 | while (nextSibling != null) { |
| 160 | tempObjects.add(new DOMXMLObject(nextSibling, context)); |
| 161 | nextSibling = DOMUtils.getNextSiblingElement(nextSibling); |
| 162 | } |
| 163 | objects = Collections.unmodifiableList(tempObjects); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | public String getId() { |
| 168 | return id; |
| 169 | } |
| 170 | |
| 171 | public KeyInfo getKeyInfo() { |
| 172 | return ki; |
| 173 | } |
| 174 | |
| 175 | public SignedInfo getSignedInfo() { |
| 176 | return si; |
| 177 | } |
| 178 | |
| 179 | public List getObjects() { |
| 180 | return objects; |
| 181 | } |
| 182 | |
| 183 | public SignatureValue getSignatureValue() { |
| 184 | return sv; |
| 185 | } |
| 186 | |
| 187 | public KeySelectorResult getKeySelectorResult() { |
| 188 | return ksr; |
| 189 | } |
| 190 | |
| 191 | public void marshal(Node parent, String dsPrefix, DOMCryptoContext context) |
| 192 | throws MarshalException { |
| 193 | marshal(parent, null, dsPrefix, context); |
| 194 | } |
| 195 | |
| 196 | public void marshal(Node parent, Node nextSibling, String dsPrefix, |
| 197 | DOMCryptoContext context) throws MarshalException { |
| 198 | ownerDoc = DOMUtils.getOwnerDocument(parent); |
| 199 | |
| 200 | sigElem = DOMUtils.createElement |
| 201 | (ownerDoc, "Signature", XMLSignature.XMLNS, dsPrefix); |
| 202 | |
| 203 | // append xmlns attribute |
| 204 | //XXX I think this is supposed to be automatically inserted when |
| 205 | //XXX serializing a DOM2 tree, but doesn't seem to work with JAXP/Xalan |
| 206 | if (dsPrefix == null) { |
| 207 | sigElem.setAttributeNS |
| 208 | ("http://www.w3.org/2000/xmlns/", "xmlns", XMLSignature.XMLNS); |
| 209 | } else { |
| 210 | sigElem.setAttributeNS |
| 211 | ("http://www.w3.org/2000/xmlns/", "xmlns:" + dsPrefix, |
| 212 | XMLSignature.XMLNS); |
| 213 | } |
| 214 | |
| 215 | // create and append SignedInfo element |
| 216 | ((DOMSignedInfo) si).marshal(sigElem, dsPrefix, context); |
| 217 | |
| 218 | // create and append SignatureValue element |
| 219 | ((DOMSignatureValue) sv).marshal(sigElem, dsPrefix, context); |
| 220 | |
| 221 | // create and append KeyInfo element if necessary |
| 222 | if (ki != null) { |
| 223 | ((DOMKeyInfo) ki).marshal(sigElem, null, dsPrefix, context); |
| 224 | } |
| 225 | |
| 226 | // create and append Object elements if necessary |
| 227 | for (int i = 0, size = objects.size(); i < size; i++) { |
| 228 | ((DOMXMLObject) objects.get(i)).marshal(sigElem, dsPrefix, context); |
| 229 | } |
| 230 | |
| 231 | // append Id attribute |
| 232 | DOMUtils.setAttributeID(sigElem, "Id", id); |
| 233 | |
| 234 | parent.insertBefore(sigElem, nextSibling); |
| 235 | } |
| 236 | |
| 237 | public boolean validate(XMLValidateContext vc) |
| 238 | throws XMLSignatureException { |
| 239 | |
| 240 | if (vc == null) { |
| 241 | throw new NullPointerException("validateContext is null"); |
| 242 | } |
| 243 | |
| 244 | if (!(vc instanceof DOMValidateContext)) { |
| 245 | throw new ClassCastException |
| 246 | ("validateContext must be of type DOMValidateContext"); |
| 247 | } |
| 248 | |
| 249 | if (validated) { |
| 250 | return validationStatus; |
| 251 | } |
| 252 | |
| 253 | // validate the signature |
| 254 | boolean sigValidity = sv.validate(vc); |
| 255 | if (!sigValidity) { |
| 256 | validationStatus = false; |
| 257 | validated = true; |
| 258 | return validationStatus; |
| 259 | } |
| 260 | |
| 261 | // validate all References |
| 262 | List refs = this.si.getReferences(); |
| 263 | boolean validateRefs = true; |
| 264 | for (int i = 0, size = refs.size(); validateRefs && i < size; i++) { |
| 265 | Reference ref = (Reference) refs.get(i); |
| 266 | boolean refValid = ref.validate(vc); |
| 267 | if (log.isLoggable(Level.FINE)) { |
| 268 | log.log(Level.FINE, "Reference[" + ref.getURI() + "] is valid: " |
| 269 | + refValid); |
| 270 | } |
| 271 | validateRefs &= refValid; |
| 272 | } |
| 273 | if (!validateRefs) { |
| 274 | if (log.isLoggable(Level.FINE)) { |
| 275 | log.log(Level.FINE, "Couldn't validate the References"); |
| 276 | } |
| 277 | validationStatus = false; |
| 278 | validated = true; |
| 279 | return validationStatus; |
| 280 | } |
| 281 | |
| 282 | // validate Manifests, if property set |
| 283 | boolean validateMans = true; |
| 284 | if (Boolean.TRUE.equals(vc.getProperty |
| 285 | ("org.jcp.xml.dsig.validateManifests"))) { |
| 286 | |
| 287 | for (int i=0, size=objects.size(); validateMans && i < size; i++) { |
| 288 | XMLObject xo = (XMLObject) objects.get(i); |
| 289 | List content = xo.getContent(); |
| 290 | int csize = content.size(); |
| 291 | for (int j = 0; validateMans && j < csize; j++) { |
| 292 | XMLStructure xs = (XMLStructure) content.get(j); |
| 293 | if (xs instanceof Manifest) { |
| 294 | if (log.isLoggable(Level.FINE)) { |
| 295 | log.log(Level.FINE, "validating manifest"); |
| 296 | } |
| 297 | Manifest man = (Manifest) xs; |
| 298 | List manRefs = man.getReferences(); |
| 299 | int rsize = manRefs.size(); |
| 300 | for (int k = 0; validateMans && k < rsize; k++) { |
| 301 | Reference ref = (Reference) manRefs.get(k); |
| 302 | boolean refValid = ref.validate(vc); |
| 303 | if (log.isLoggable(Level.FINE)) { |
| 304 | log.log(Level.FINE, "Manifest ref[" |
| 305 | + ref.getURI() + "] is valid: " + refValid); |
| 306 | } |
| 307 | validateMans &= refValid; |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | validationStatus = validateMans; |
| 315 | validated = true; |
| 316 | return validationStatus; |
| 317 | } |
| 318 | |
| 319 | public void sign(XMLSignContext signContext) |
| 320 | throws MarshalException, XMLSignatureException { |
| 321 | if (signContext == null) { |
| 322 | throw new NullPointerException("signContext cannot be null"); |
| 323 | } |
| 324 | DOMSignContext context = (DOMSignContext) signContext; |
| 325 | if (context != null) { |
| 326 | marshal(context.getParent(), context.getNextSibling(), |
| 327 | DOMUtils.getSignaturePrefix(context), context); |
| 328 | } |
| 329 | |
| 330 | // generate references and signature value |
| 331 | List allReferences = new ArrayList(si.getReferences()); |
| 332 | |
| 333 | // traverse the Signature and register all objects with IDs that |
| 334 | // may contain References |
| 335 | signatureIdMap = new HashMap(); |
| 336 | signatureIdMap.put(id, this); |
| 337 | signatureIdMap.put(si.getId(), si); |
| 338 | List refs = si.getReferences(); |
| 339 | for (int i = 0, size = refs.size(); i < size; i++) { |
| 340 | Reference ref = (Reference) refs.get(i); |
| 341 | signatureIdMap.put(ref.getId(), ref); |
| 342 | } |
| 343 | for (int i = 0, size = objects.size(); i < size; i++) { |
| 344 | XMLObject obj = (XMLObject) objects.get(i); |
| 345 | signatureIdMap.put(obj.getId(), obj); |
| 346 | List content = obj.getContent(); |
| 347 | for (int j = 0, csize = content.size(); j < csize; j++) { |
| 348 | XMLStructure xs = (XMLStructure) content.get(j); |
| 349 | if (xs instanceof Manifest) { |
| 350 | Manifest man = (Manifest) xs; |
| 351 | signatureIdMap.put(man.getId(), man); |
| 352 | List manRefs = man.getReferences(); |
| 353 | for (int k = 0, msize = manRefs.size(); k < msize; k++) { |
| 354 | Reference ref = (Reference) manRefs.get(k); |
| 355 | allReferences.add(ref); |
| 356 | signatureIdMap.put(ref.getId(), ref); |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | // generate/digest each reference |
| 363 | for (int i = 0, size = allReferences.size(); i < size; i++) { |
| 364 | DOMReference ref = (DOMReference) allReferences.get(i); |
| 365 | digestReference(ref, signContext); |
| 366 | } |
| 367 | |
| 368 | // do final sweep to digest any references that were skipped or missed |
| 369 | for (int i = 0, size = allReferences.size(); i < size; i++) { |
| 370 | DOMReference ref = (DOMReference) allReferences.get(i); |
| 371 | if (ref.isDigested()) { |
| 372 | continue; |
| 373 | } |
| 374 | ref.digest(signContext); |
| 375 | } |
| 376 | |
| 377 | Key signingKey = null; |
| 378 | KeySelectorResult ksr = null; |
| 379 | try { |
| 380 | ksr = signContext.getKeySelector().select |
| 381 | (ki, KeySelector.Purpose.SIGN, |
| 382 | si.getSignatureMethod(), signContext); |
| 383 | signingKey = ksr.getKey(); |
| 384 | if (signingKey == null) { |
| 385 | throw new XMLSignatureException("the keySelector did not " + |
| 386 | "find a signing key"); |
| 387 | } |
| 388 | } catch (KeySelectorException kse) { |
| 389 | throw new XMLSignatureException("cannot find signing key", kse); |
| 390 | } |
| 391 | |
| 392 | // calculate signature value |
| 393 | byte[] val = null; |
| 394 | try { |
| 395 | val = ((DOMSignatureMethod) si.getSignatureMethod()).sign |
| 396 | (signingKey, (DOMSignedInfo) si, signContext); |
| 397 | } catch (InvalidKeyException ike) { |
| 398 | throw new XMLSignatureException(ike); |
| 399 | } |
| 400 | |
| 401 | if (log.isLoggable(Level.FINE)) { |
| 402 | log.log(Level.FINE, "SignatureValue = " + val); |
| 403 | } |
| 404 | ((DOMSignatureValue) sv).setValue(val); |
| 405 | |
| 406 | this.localSigElem = sigElem; |
| 407 | this.ksr = ksr; |
| 408 | } |
| 409 | |
| 410 | public boolean equals(Object o) { |
| 411 | if (this == o) { |
| 412 | return true; |
| 413 | } |
| 414 | |
| 415 | if (!(o instanceof XMLSignature)) { |
| 416 | return false; |
| 417 | } |
| 418 | XMLSignature osig = (XMLSignature) o; |
| 419 | |
| 420 | boolean idEqual = |
| 421 | (id == null ? osig.getId() == null : id.equals(osig.getId())); |
| 422 | boolean keyInfoEqual = |
| 423 | (ki == null ? osig.getKeyInfo() == null : |
| 424 | ki.equals(osig.getKeyInfo())); |
| 425 | |
| 426 | return (idEqual && keyInfoEqual && |
| 427 | sv.equals(osig.getSignatureValue()) && |
| 428 | si.equals(osig.getSignedInfo()) && |
| 429 | objects.equals(osig.getObjects())); |
| 430 | } |
| 431 | |
| 432 | private void digestReference(DOMReference ref, XMLSignContext signContext) |
| 433 | throws XMLSignatureException { |
| 434 | if (ref.isDigested()) { |
| 435 | return; |
| 436 | } |
| 437 | // check dependencies |
| 438 | String uri = ref.getURI(); |
| 439 | if (Utils.sameDocumentURI(uri)) { |
| 440 | String id = Utils.parseIdFromSameDocumentURI(uri); |
| 441 | if (id != null && signatureIdMap.containsKey(id)) { |
| 442 | Object obj = signatureIdMap.get(id); |
| 443 | if (obj instanceof DOMReference) { |
| 444 | digestReference((DOMReference) obj, signContext); |
| 445 | } else if (obj instanceof Manifest) { |
| 446 | Manifest man = (Manifest) obj; |
| 447 | List manRefs = man.getReferences(); |
| 448 | for (int i = 0, size = manRefs.size(); i < size; i++) { |
| 449 | digestReference |
| 450 | ((DOMReference) manRefs.get(i), signContext); |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | // if uri="" and there are XPath Transforms, there may be |
| 455 | // reference dependencies in the XPath Transform - so be on |
| 456 | // the safe side, and skip and do at end in the final sweep |
| 457 | if (uri.length() == 0) { |
| 458 | List transforms = ref.getTransforms(); |
| 459 | for (int i = 0, size = transforms.size(); i < size; i++) { |
| 460 | Transform transform = (Transform) transforms.get(i); |
| 461 | String transformAlg = transform.getAlgorithm(); |
| 462 | if (transformAlg.equals(Transform.XPATH) || |
| 463 | transformAlg.equals(Transform.XPATH2)) { |
| 464 | return; |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | } |
| 469 | ref.digest(signContext); |
| 470 | } |
| 471 | |
| 472 | public class DOMSignatureValue extends DOMStructure |
| 473 | implements SignatureValue { |
| 474 | |
| 475 | private String id; |
| 476 | private byte[] value; |
| 477 | private String valueBase64; |
| 478 | private Element sigValueElem; |
| 479 | private boolean validated = false; |
| 480 | private boolean validationStatus; |
| 481 | |
| 482 | DOMSignatureValue(String id) { |
| 483 | this.id = id; |
| 484 | } |
| 485 | |
| 486 | DOMSignatureValue(Element sigValueElem) throws MarshalException { |
| 487 | try { |
| 488 | // base64 decode signatureValue |
| 489 | value = Base64.decode(sigValueElem); |
| 490 | } catch (Base64DecodingException bde) { |
| 491 | throw new MarshalException(bde); |
| 492 | } |
| 493 | |
| 494 | id = DOMUtils.getAttributeValue(sigValueElem, "Id"); |
| 495 | this.sigValueElem = sigValueElem; |
| 496 | } |
| 497 | |
| 498 | public String getId() { |
| 499 | return id; |
| 500 | } |
| 501 | |
| 502 | public byte[] getValue() { |
| 503 | return (value == null) ? null : (byte[]) value.clone(); |
| 504 | } |
| 505 | |
| 506 | public boolean validate(XMLValidateContext validateContext) |
| 507 | throws XMLSignatureException { |
| 508 | |
| 509 | if (validateContext == null) { |
| 510 | throw new NullPointerException("context cannot be null"); |
| 511 | } |
| 512 | |
| 513 | if (validated) { |
| 514 | return validationStatus; |
| 515 | } |
| 516 | |
| 517 | // get validating key |
| 518 | SignatureMethod sm = si.getSignatureMethod(); |
| 519 | Key validationKey = null; |
| 520 | KeySelectorResult ksResult; |
| 521 | try { |
| 522 | ksResult = validateContext.getKeySelector().select |
| 523 | (ki, KeySelector.Purpose.VERIFY, sm, validateContext); |
| 524 | validationKey = ksResult.getKey(); |
| 525 | if (validationKey == null) { |
| 526 | throw new XMLSignatureException("the keyselector did " + |
| 527 | "not find a validation key"); |
| 528 | } |
| 529 | } catch (KeySelectorException kse) { |
| 530 | throw new XMLSignatureException("cannot find validation " + |
| 531 | "key", kse); |
| 532 | } |
| 533 | |
| 534 | // canonicalize SignedInfo and verify signature |
| 535 | try { |
| 536 | validationStatus = ((DOMSignatureMethod) sm).verify |
| 537 | (validationKey, (DOMSignedInfo) si, value, validateContext); |
| 538 | } catch (Exception e) { |
| 539 | throw new XMLSignatureException(e); |
| 540 | } |
| 541 | |
| 542 | validated = true; |
| 543 | ksr = ksResult; |
| 544 | return validationStatus; |
| 545 | } |
| 546 | |
| 547 | public boolean equals(Object o) { |
| 548 | if (this == o) { |
| 549 | return true; |
| 550 | } |
| 551 | |
| 552 | if (!(o instanceof SignatureValue)) { |
| 553 | return false; |
| 554 | } |
| 555 | SignatureValue osv = (SignatureValue) o; |
| 556 | |
| 557 | boolean idEqual = |
| 558 | (id == null ? osv.getId() == null : id.equals(osv.getId())); |
| 559 | |
| 560 | //XXX compare signature values? |
| 561 | return idEqual; |
| 562 | } |
| 563 | |
| 564 | public void marshal(Node parent, String dsPrefix, |
| 565 | DOMCryptoContext context) throws MarshalException { |
| 566 | |
| 567 | // create SignatureValue element |
| 568 | sigValueElem = DOMUtils.createElement |
| 569 | (ownerDoc, "SignatureValue", XMLSignature.XMLNS, dsPrefix); |
| 570 | if (valueBase64 != null) { |
| 571 | sigValueElem.appendChild(ownerDoc.createTextNode(valueBase64)); |
| 572 | } |
| 573 | |
| 574 | // append Id attribute, if specified |
| 575 | DOMUtils.setAttributeID(sigValueElem, "Id", id); |
| 576 | parent.appendChild(sigValueElem); |
| 577 | } |
| 578 | |
| 579 | void setValue(byte[] value) { |
| 580 | this.value = value; |
| 581 | valueBase64 = Base64.encode(value); |
| 582 | sigValueElem.appendChild(ownerDoc.createTextNode(valueBase64)); |
| 583 | } |
| 584 | } |
| 585 | } |