Examples of org.apache.xml.security.encryption.XMLCipher.decryptKey()

Package org.apache.xml.security.encryption

Class org.apache.xml.security.encryption.XMLCipher

Examples of org.apache.xml.security.encryption.XMLCipher.decryptKey()

org.apache.xml.security.encryption.XMLCipher.decryptKey()
Decrypt a key from a passed in EncryptedKey structure @param encryptedKey Previously loaded EncryptedKey that needsto be decrypted. @param algorithm Algorithm for the decryption @return a key corresponding to the given type @throws XMLEncryptionException

            }
            try {
                XMLCipher cipher = XMLCipher.getInstance();
                cipher.init(XMLCipher.UNWRAP_MODE, kek);
                EncryptedKey ek = cipher.loadEncryptedKey(element);
                key = (SecretKey) cipher.decryptKey(ek, algorithm);
            } catch (XMLEncryptionException e) {
                if (log.isDebugEnabled()) {
                    log.debug(e);
                }
            }

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            EncryptedKey ek = encryptedData.getKeyInfo().itemEncryptedKey(0);


            if (ek != null) {
                XMLCipher keyCipher = XMLCipher.getInstance();
                keyCipher.init(XMLCipher.UNWRAP_MODE, kek);
                key = keyCipher.decryptKey(ek, encryptedData.getEncryptionMethod().getAlgorithm());
            }


            // Create a new cipher just to be paranoid
            XMLCipher cipher3 = XMLCipher.getInstance();
            cipher3.init(XMLCipher.DECRYPT_MODE, key);

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      log.debug("Passed an Encrypted Key");
      try {
          XMLCipher cipher = XMLCipher.getInstance();
          cipher.init(XMLCipher.UNWRAP_MODE, _kek);
          EncryptedKey ek = cipher.loadEncryptedKey(element);
          key = (SecretKey) cipher.decryptKey(ek, _algorithm);
      } catch (XMLEncryptionException e) {}
        }
              
        return key;
   }

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        EncryptedKey encryptedKey = ki.itemEncryptedKey(0);


        XMLCipher cipher2 = XMLCipher.getInstance();
        cipher2.init(XMLCipher.UNWRAP_MODE, rsaKey);
        Key key =
                cipher2.decryptKey(
                        encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
                );


        cipher.init(XMLCipher.DECRYPT_MODE, key);
        Document dd = cipher.doFinal(doc, ee);

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                    for (int i = 0; i < size; i++) {
                        cipher.registerInternalKeyResolver(internalKeyResolvers.get(i));
                    }
                }
                EncryptedKey ek = cipher.loadEncryptedKey(element);
                key = (SecretKey) cipher.decryptKey(ek, algorithm);
            } catch (XMLEncryptionException e) {
                if (log.isDebugEnabled()) {
                    log.debug(e.getMessage(), e);
                }
            }

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         try
         {
            String encAlgoURL = encryptedData.getEncryptionMethod().getAlgorithm();
            XMLCipher keyCipher =  XMLCipher.getInstance(); 
            keyCipher.init(XMLCipher.UNWRAP_MODE, privateKey); 
            Key encryptionKey =  keyCipher.decryptKey( encryptedKey, encAlgoURL ); 
            cipher =  XMLCipher.getInstance();  
            cipher.init(XMLCipher.DECRYPT_MODE, encryptionKey); 


            decryptedDoc = cipher.doFinal(documentWithEncryptedElement, encDataElement);
         }

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      log.debug("Passed an Encrypted Key");
      try {
        XMLCipher cipher = XMLCipher.getInstance();
        cipher.init(XMLCipher.UNWRAP_MODE, _kek);
        EncryptedKey ek = cipher.loadEncryptedKey(element);
        _key = cipher.decryptKey(ek, _algorithm);
      }
      catch (Exception e) {}
      }
    
      return (_key != null);

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         throw new WSSecurityException("Could not determine encrypted key algorithm!");


      try
      {
         cipher.init(XMLCipher.UNWRAP_MODE, privateKey);
         this.secretKey = (SecretKey) cipher.decryptKey(key, alg);
      }
      catch (XMLSecurityException e)
      {
         throw new WSSecurityException("Could not parse encrypted key: " + e.getMessage(), e);
      }

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            EncryptedKey ek = encryptedData.getKeyInfo().itemEncryptedKey(0);


            if (ek != null) {
                XMLCipher keyCipher = XMLCipher.getInstance();
                keyCipher.init(XMLCipher.UNWRAP_MODE, kek);
                key = keyCipher.decryptKey(ek, encryptedData.getEncryptionMethod().getAlgorithm());
            }


            // Create a new cipher just to be paranoid
            XMLCipher cipher3 = XMLCipher.getInstance();
            cipher3.init(XMLCipher.DECRYPT_MODE, key);

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        }
        if (kek != null) {
            XMLCipher cipher = XMLCipher.getInstance();
            cipher.init(XMLCipher.UNWRAP_MODE, kek);
            key = 
                cipher.decryptKey(
                    encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
                );
        }


        return key;

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