LIP-PA: A Logistics Information Privacy Protection Scheme with Position and Attribute-Based Access Control on Mobile Devices

Algorithm 2

Generation of delivery path.

Input:  ciphertext of order information

Output:  delivery path , station number

1:

2: if    then

3:  

4:  

5: else

6:  if    then

7:  

8:  

9:  else

10:  

11:  

12:  end if

13: end if

14: return  ,