docs: public Packer useAES(final String passphrase, final String sharedIV) throws NoSuchAlgorithmException,
  			NoSuchPaddingException {
  		initCipher();
  		initCipherIV(generateMdfromString(sharedIV, aesCipherLen), AESTYPEIV.SHARED_IV);
  		initCipherKey(passphrase);
  		return this;
  	}