Algorithm 2 Signature Verification
Input: $\partial ,p$ Output: $msg,result=\left(TRUE,FALSE\right)$
1	$ring=\partial .s$
2	$for i=1;i<ring.size;i++ do$
3	$L_i=s_i*G+c_i*p{k}_i$;
4	$R_i=s_i*H_0\left(p{k}_i\right)+c_i*I$;
5	$c\left[i\right]=H_1\left(m,L_i,R_i\right)$;
6	$if i==ring.size-1 then$
7	$c\left[0\right]=c\left[i\right]$;
8	$else$
9	$c\left[i+1\right]=c\left[i\right];$
10	$end if$
11	$end for$
12	$if \partial .\eta <p then$
13	$msg=“against”$;
14	$else$
15	$msg=“approve”$;
16	$end if$
17	$result=Equal(\partial .c\left[0\left],c\right[0\right]$;
18	$Return msg, result$;