question: public static OutputStream encrypt ( OutputStream unencryptedOutputStream , char [ ] password ) throws EncryptionException , IOException { OutputStream encryptedOutputStream = null ; PBEKeySpec pbeKeySpec = new PBEKeySpec ( password ) ; PBEParameterSpec pbeParameterSpec = new PBEParameterSpec ( SALT , ITERATION_COUNT ) ; try { SecretKeyFactory secretKeyFactory = SecretKeyFactory . getInstance ( ENCRYPTION_ALGORITHM , CRYPTOPROVIDER ) ; SecretKey pbeKey = secretKeyFactory . generateSecret ( pbeKeySpec ) ; Cipher cipher = Cipher . getInstance ( ENCRYPTION_ALGORITHM , CRYPTOPROVIDER ) ; cipher . init ( Cipher . ENCRYPT_MODE , pbeKey , pbeParameterSpec ) ; encryptedOutputStream = new CipherOutputStream ( unencryptedOutputStream , cipher ) ; } catch ( GeneralSecurityException e ) { throw new EncryptionException ( "There was a problem during the encryption process. See the stacktrace for details." , e ) ; } return encryptedOutputStream ; }
target:  Encrypts data received from the given OutputStream using the AES algorithm.