Package javax.crypto

Examples of javax.crypto.Cipher.unwrap()

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                Vector decryData = null;
                try {
                    Cipher cipher = Cipher.getInstance("RSA");
                    cipher.init(Cipher.UNWRAP_MODE, pubKey);
                    Key key = cipher.unwrap(wrappedKey, "DES", Cipher.SECRET_KEY);
                    decryData = (Vector)encryData.getObject(key);
                } catch (Exception e) {
                    decryData = null;
                    e.printStackTrace();
                }
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            Vector datas = null;
            try {
                Cipher cipher = Cipher.getInstance("RSA");
                cipher.init(Cipher.UNWRAP_MODE, publicKey);
                Key key = cipher.unwrap(wrappedKey, "DES", Cipher.SECRET_KEY);
                datas = (Vector)encryedDatas.getObject(key);
            } catch (Exception e) {
                datas = null;
                return datas;
            }
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            Cipher cipher = Cipher.getInstance(algorithm, bcProvider);

            cipher.init(Cipher.UNWRAP_MODE, k, defParams);

            // we pass "" as the key algorithm type as it is unknown at this point
            out = (PrivateKey)cipher.unwrap(data, "", Cipher.PRIVATE_KEY);
        }
        catch (Exception e)
        {
            throw new IOException("exception unwrapping private key - " + e.toString());
        }
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        byte[] encryptedEphemeralKey = null;
        byte[] decryptedBytes = null;
        try {
            encryptedEphemeralKey = getDecodedBase64EncodedData(xencCipherValue);
            String keyAlgorithm = JCEMapper.translateURItoJCEID(encryptedKeyTransportMethod);
            decryptedBytes = cipher.unwrap(encryptedEphemeralKey, keyAlgorithm, Cipher.SECRET_KEY).getEncoded();
        } catch (IllegalStateException ex) {
            throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, ex);
        } catch (Exception ex) {
            decryptedBytes = getRandomKey(dataRefURIs, elem.getOwnerDocument(), wsDocInfo);
        }
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            if (oaepParameters == null) {
                c.init(Cipher.UNWRAP_MODE, key);
            } else {
                c.init(Cipher.UNWRAP_MODE, key, oaepParameters);
            }
            ret = c.unwrap(encryptedBytes, jceKeyAlgorithm, Cipher.SECRET_KEY);
        } catch (InvalidKeyException ike) {
            throw new XMLEncryptionException("empty", ike);
        } catch (NoSuchAlgorithmException nsae) {
            throw new XMLEncryptionException("empty", nsae);
        } catch (InvalidAlgorithmParameterException e) {
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            if (oaepParameters == null) {
                c.init(Cipher.UNWRAP_MODE, key);
            } else {
                c.init(Cipher.UNWRAP_MODE, key, oaepParameters);
            }
            ret = c.unwrap(encryptedBytes, jceKeyAlgorithm, Cipher.SECRET_KEY);
        } catch (InvalidKeyException ike) {
            throw new XMLEncryptionException("empty", ike);
        } catch (NoSuchAlgorithmException nsae) {
            throw new XMLEncryptionException("empty", nsae);
        } catch (InvalidAlgorithmParameterException e) {
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    Key ret;

    try {   
      c.init(Cipher.UNWRAP_MODE, _key);
      ret = c.unwrap(encryptedBytes, jceKeyAlgorithm, Cipher.SECRET_KEY);
     
    } catch (InvalidKeyException ike) {
      throw new XMLEncryptionException("empty", ike);
    } catch (NoSuchAlgorithmException nsae) {
      throw new XMLEncryptionException("empty", nsae);
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    Key ret;

    try {   
      c.init(Cipher.UNWRAP_MODE, _key);
      ret = c.unwrap(encryptedBytes, jceKeyAlgorithm, Cipher.SECRET_KEY);
     
    } catch (InvalidKeyException ike) {
      throw new XMLEncryptionException("empty", ike);
    } catch (NoSuchAlgorithmException nsae) {
      throw new XMLEncryptionException("empty", nsae);
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        byte[] encryptedEphemeralKey = null;
        byte[] decryptedBytes = null;
        try {
            encryptedEphemeralKey = getDecodedBase64EncodedData(xencCipherValue);
            String keyAlgorithm = JCEMapper.translateURItoJCEID(encryptedKeyTransportMethod);
            decryptedBytes = cipher.unwrap(encryptedEphemeralKey, keyAlgorithm, Cipher.SECRET_KEY).getEncoded();
        } catch (IllegalStateException ex) {
            throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, ex);
        } catch (Exception ex) {
            decryptedBytes = getRandomKey(dataRefURIs, elem.getOwnerDocument(), wsDocInfo);
        }
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            Cipher cipher = Cipher.getInstance(algorithm, "BC");

            cipher.init(Cipher.UNWRAP_MODE, k, defParams);

            // we pass "" as the key algorithm type as it is unknown at this point
            out = (PrivateKey)cipher.unwrap(data, "", Cipher.PRIVATE_KEY);
        }
        catch (Exception e)
        {
            throw new IOException("exception unwrapping private key - " + e.toString());
        }
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