0RX24ykV

1    public boolean cipherInit(){
2        try {
3            cipher= Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES+"/"+KeyProperties.BLOCK_MODE_CBC+"/"+KeyProperties.ENCRYPTION_PADDING_PKCS7);
4        }catch (NoSuchAlgorithmException|NoSuchPaddingException e){
5            throw new RuntimeException("Fallo en obtener el Cifrador",e);
6        }
7        try{
8            keyStore.load(null);//Se carga el keystore container
9            //Se genera una clave secreta
10            SecretKey key= (SecretKey)keyStore.getKey(KEY_NAME,null);
11            //Se inicia el cifrador
12            cipher.init(Cipher.ENCRYPT_MODE, key);
13            //Si esque el cifrador inicia correctamente, retorna true.
14            return true;
15        }catch (KeyPermanentlyInvalidatedException e){
16            return false;
17        }catch (KeyStoreException|CertificateException|UnrecoverableKeyException|IOException|NoSuchAlgorithmException|InvalidKeyException e){
18            throw new RuntimeException("Fallo en iniciar el Cifrador",e);
19        }
20    }