A Cross-Domain Authentication Optimization Scheme between Heterogeneous IoT Applications

Algorithm 1

DSP-CCSA.

1/G refers to the additive cyclic group, and q denotes the order of group G

2,

3

4/

5//Registration phase

6[Setup]:

7 // Generate main system parameters

8 //Each domain randomly generates its system parameters

9 // Release parameters

10[Secret-value-set]:

11

12[Partial-private-key-set]:

13

14[Private-key-set]:

15

16[Public-key-set]:

17

18//Execution phase

19[Sign]:

20

21[Verify]:

22