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

      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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      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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            throw new DecryptionException("Error when loading library native encrypted key representation", e);
        }


        Key key = null;
        try {
            key = xmlCipher.decryptKey(encKey, algorithm);
        } catch (XMLEncryptionException e) {
            log.error("Error decrypting encrypted key", e);
            throw new DecryptionException("Error decrypting encrypted key", e);
        }  catch (Exception e) {
            // Catch anything else, esp. unchecked RuntimeException, and convert to our checked type.

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                    encryptedKey = xmlc.loadEncryptedKey(elem);
            }
            if (xmlc == null){
                throw new XWSSecurityException("XMLCipher is null while getting SecretKey from EncryptedKey");
            }
            SecretKey symmetricKey = (SecretKey) xmlc.decryptKey(encryptedKey, dataEncAlgo);
            return symmetricKey;
        } catch (Exception ex) {
            ex.printStackTrace();
            throw new XWSSecurityException("Error while getting SecretKey from EncryptedKey");
        }

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    private Key getDecipheredOtherPartyEntropy(Object encryptedKey, Key privKey) throws XMLEncryptionException {
        if ( encryptedKey instanceof EncryptedKey ) {
            EncryptedKey encKey = (EncryptedKey)encryptedKey;
            XMLCipher cipher = XMLCipher.getInstance();
            cipher.setKEK(privKey);
            cipher.decryptKey(encKey);
            return null;
        } else {
            return null;
        }
    }

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            throw new DecryptionException("Error when loading library native encrypted key representation", e);
        }


        Key key = null;
        try {
            key = xmlCipher.decryptKey(encKey, algorithm);
        } catch (XMLEncryptionException e) {
            log.error("Error decrypting encrypted key", e);
            throw new DecryptionException("Error decrypting encrypted key", e);
        }
        if (key == null) {

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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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        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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        XMLCipher kwCipher = XMLCipher.getInstance();
        kwCipher.init(XMLCipher.UNWRAP_MODE, keyWrappingKey);
        KeyInfo ki = encryptedData.getKeyInfo();
        EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
        Key symmetricKey = 
            kwCipher.decryptKey(
                encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
            );
        
        cipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
        return cipher.doFinal(document, ee);

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        assertTrue(rsaCert.equals(cert));
        
        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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