private static void initialize(){
final File dbPropsFile = PropertiesUtil.findConfigFile("db.properties");
final Properties dbProps;
if(EncryptionSecretKeyChecker.useEncryption()){
StandardPBEStringEncryptor encryptor = EncryptionSecretKeyChecker.getEncryptor();
dbProps = new EncryptableProperties(encryptor);
try {
dbProps.load(new FileInputStream(dbPropsFile));
} catch (FileNotFoundException e) {
throw new CloudRuntimeException("db.properties file not found while reading DB secret key", e);
} catch (IOException e) {
throw new CloudRuntimeException("Erroe while reading DB secret key from db.properties", e);
}
String dbSecretKey = dbProps.getProperty("db.cloud.encrypt.secret");
if(dbSecretKey == null || dbSecretKey.isEmpty()){
throw new CloudRuntimeException("Empty DB secret key in db.properties");
}
s_encryptor = new StandardPBEStringEncryptor();
s_encryptor.setAlgorithm("PBEWithMD5AndDES");
s_encryptor.setPassword(dbSecretKey);
} else {
throw new CloudRuntimeException("Trying to encrypt db values when encrytion is not enabled");
}