gen-wa-appid.c

#include <stdio.h>
#include <stdlib.h>

int main (int argc, char **argv) {
    unsigned char line[8];
    for (int j = 0; j < 1e6; j++) {

        for (int i = 0; i < sizeof(line); i++) {
            line[i] = rand() % 256;
            printf("%02X", line[i]);
            if (i == 2) {
                printf("-");
            }
        }
        printf("\n");
    }
}