be.ehealth.technicalconnector.utils
Class ConnectorCryptoUtils

java.lang.Object
  be.ehealth.technicalconnector.utils.ConnectorCryptoUtils

public final class ConnectorCryptoUtils
extends Object

Utility class to that generates a symmectric key.

Field Summary

static String	CONNECTORCRYPTO_ALGO_NAME_KEY Property to change the default algoritm used to generate a key.
static String	CONNECTORCRYPTO_KEYSIZE_KEY Property to change the default keysize used to generate a key.
static String	CONNECTORCRYPTO_MOCK_KEY Property to allow the use of a static key when generating a symmetric key.

Method Summary

static byte[]	calculateDigest(String digestAlgo, byte[] content) Helper method to calculate a Digest
static byte[]	decrypt(Key key, byte[] encryptedBytes) Decrypt the encryptedBytes bases on the key.
static byte[]	decrypt(Key key, String algo, byte[] encryptedBytes) Decrypt the encryptedBytes bases on the key and the given algoritm.
static SecretKey	generateKey() Generate a key based using th default algoritm and keysize.
static SecretKey	generateKey(int keySize) Generate a key based on the default algoritm and the keysize given as input.
static SecretKey	generateKey(String algo, int keySize) Generate a key based on the algoritm and keysize given as input.
static void	setKeyGenerator(KeyGenerator keyGenerator) Setting the KeyGenerator to use for generating a SecretKey

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONNECTORCRYPTO_ALGO_NAME_KEY

public static final String CONNECTORCRYPTO_ALGO_NAME_KEY

Property to change the default algoritm used to generate a key. Default value is AES

See Also:

Constant Field Values

CONNECTORCRYPTO_KEYSIZE_KEY

public static final String CONNECTORCRYPTO_KEYSIZE_KEY

Property to change the default keysize used to generate a key. Default value is 128

See Also:

Constant Field Values

CONNECTORCRYPTO_MOCK_KEY

public static final String CONNECTORCRYPTO_MOCK_KEY

Property to allow the use of a static key when generating a symmetric key. Only using for testing purpose

See Also:

Constant Field Values

Method Detail

generateKey

public static SecretKey generateKey()
                             throws TechnicalConnectorException

Generate a key based using th default algoritm and keysize.

Throws:

TechnicalConnectorException

generateKey

public static SecretKey generateKey(int keySize)
                             throws TechnicalConnectorException

Generate a key based on the default algoritm and the keysize given as input.

Throws:

TechnicalConnectorException

generateKey

public static SecretKey generateKey(String algo,
                                    int keySize)
                             throws TechnicalConnectorException

Generate a key based on the algoritm and keysize given as input.

Throws:

TechnicalConnectorException

decrypt

public static byte[] decrypt(Key key,
                             byte[] encryptedBytes)
                      throws TechnicalConnectorException

Decrypt the encryptedBytes bases on the key. It recovers the algoritm using the key.getAlgorithm().

Throws:

TechnicalConnectorException

decrypt

public static byte[] decrypt(Key key,
                             String algo,
                             byte[] encryptedBytes)
                      throws TechnicalConnectorException

Decrypt the encryptedBytes bases on the key and the given algoritm.

Throws:

TechnicalConnectorException

setKeyGenerator

public static void setKeyGenerator(KeyGenerator keyGenerator)

Setting the KeyGenerator to use for generating a SecretKey

Parameters:

keyGenerator -

calculateDigest

public static byte[] calculateDigest(String digestAlgo,
                                     byte[] content)
                              throws TechnicalConnectorException

Helper method to calculate a Digest

Throws:

TechnicalConnectorException