void generateSupersingular(pairing_t *pairing,int rbits,int qbits){
pbc_param_t param;
pbc_param_init_a_gen(param,rbits,qbits);//using type a curve
pairing_init_pbc_param(*pairing,param);
pbc_param_clear(param);
return;
}
int main(int argc, char **argv) {
int rbits = argc > 1 ? atoi(argv[1]) : 160;
int qbits = argc > 2 ? atoi(argv[2]) : 512;
pbc_param_t par;
pbc_param_init_a_gen(par, rbits, qbits);
pbc_param_out_str(stdout, par);
pbc_param_clear(par);
return 0;
}
int main(int argc, char ** argv) {
pbc_param_t ec_params;
pairing_t pairing;
unsigned int rbits = 40, qbits = 128;
element_t *g1, *g2, *gt;
for (int s = 10; s <= 1000; s += 10) {
while (qbits <= 4096) {
fprintf(stderr, "%d", qbits);
pbc_param_init_a_gen(ec_params, rbits, qbits);
pairing_init_pbc_param(pairing, ec_params);
element_init_G1(g1, pairing);
element_init_G2(g2, pairing);
element_init_GT(gt, pairing);
struct timeval tv1, tv2;
int bc = element_length_in_bytes(g1);
for (int i = 0; i < 100; i++) {
if (0 == i % 10)
fprintf(stderr, ".");
element_random(g1);
element_random(g2);
gettimeofday(&tv1, NULL);
pairing_apply(gt, g1, g2, pairing);
gettimeofday(&tv2, NULL);
double time = tv2.tv_sec - tv1.tv_sec;
time *= (1000 * 1000);
time += tv2.tv_usec - tv1.tv_usec;
fprintf(stdout, "%d %d %d %d %d\n", bc, rbits, qbits, i, ((int) time));
}
for (int j = 0; j < s; j++) {
element_clear(g1[j]);
element_clear(g2[j]);
element_clear(gt[j]);
}
rbits *= 2;
qbits *= 2;
fprintf(stderr, "\n");
}
free(g1);
free(g2);
free(g3);
}
}
void setupSingularPairing(pairing_t *pairing){
mpz_t p;
//generatePrime(&p,512);//generate 512-bit prime
int rbits = 224;
int qbits = 1024;
pbc_param_t param;
pbc_param_init_a_gen(param,rbits,qbits);//using type a curve
pairing_init_pbc_param(*pairing,param);
// FILE *fPrime = fopen("prime.data","w");//the group order of prime p
// gmp_fprintf(fPrime,"%Zd",p);
// fclose(fPrime);
// pbc_param_out_str(stdout, param);
return;
}
int main(int argc, char **argv) {
verbose = 0;
ifsize = 0;
int canrun =0;
clock_t start_t, end_t;
float total_t;
int user_num = 100;
int k;
int choose;
char *para1, *para2;
while ((choose = getopt (argc, argv, "vfn:hgs")) != -1) {
switch (choose) {
case 's':
ifsize = 1;
break;
case 'h':
usage();
exit(0);
break;
case 'v':
verbose = 1;
break;
case 'n':
user_num = atoi(optarg);
break;
case 'g':
//printf("Initializing pairing parameters...\n");
if(canrun) {
fprintf(stderr, "Pairing parameters have been set, \'-g\' should not set paring parameters again.\n");
break;
}
canrun = 1;
k=0;
for( ; optind<argc && !(*argv[optind] == '-'); optind++) k++;
if(k==2) {
int rbits = atoi(argv[optind-k]);
int qbits = atoi(argv[optind-k+1]);
pbc_param_t param;
// printf("rbits=%d qbits=%d\n",rbits,qbits);
pbc_param_init_a_gen(param, rbits, qbits);
pairing_init_pbc_param(pairing, param);
pairing_init_pbc_param(pairing2, param);
pbc_param_clear(param);
} else {
fprintf(stderr, "Input invalid!\n");
usage();
exit(-1);
}
break;
case 'f':
//printf("Initializing pairing parameters...\n");
if(canrun) {
fprintf(stderr, "Pairing parameters have been set, \'-f\' should not set paring parameters again.\n");
break;
}
canrun = 1;
k=0;
for( ; optind<argc && !(*argv[optind] == '-'); optind++) k++;
if(k==2) {
pbc_single_pairing_init(pairing, argc, argv[optind-k]);
pbc_single_pairing_init(pairing2, argc, argv[optind-k+1]);
}
else {
fprintf(stderr, "Input invalid!\n");
usage();
exit(-1);
}
break;
case '?':
fprintf(stderr, "Invalid parameters!\n");
usage();
exit(-1);
break;
default:
abort();
}
}
if(!canrun) {
printf("Please at least set \'-f\' or \'-g\'\n");
usage();
exit(-1);
}
//printf("Initializing system variable and public key....\n");
element_init_G2(g, pairing);
element_init_G2(X, pairing);
element_init_G2(Y, pairing);
element_init_Zr(x, pairing2);
element_init_Zr(y, pairing2);
element_random(x);
element_random(y);
printf("g=%lu X=%lu Y=%lu x=%lu y=%lu\n",sizeof(g),sizeof(X),sizeof(Y),sizeof(x),sizeof(y));
//system variable & public key generation
element_random(g);
if(verbose) element_printf("system parameter g = %B\n", g);
element_pow_zn(X, g, x);
element_pow_zn(Y, g, y);
// mpz_t mpz_g, mpz_X, mpz_Y;
// mpz_inits(mpz_g, mpz_X, mpz_Y, mpz_x, mpz_y, NULL);
// element_to_mpz(mpz_g, g);
// element_to_mpz(mpz_x, x);
// element_to_mpz(mpz_y, y);
// mpz_powm(mpz_X, mpz_g, mpz_x, pairing->r);
// element_set_mpz(X, mpz_X);
// //element_pow_zn(X, g, x);
// mpz_powm(mpz_Y, mpz_g, mpz_y, pairing->r);
// element_set_mpz(Y, mpz_Y);
// if(verbose) {
// gmp_printf("pair order %zd\n", pairing->r);
// gmp_printf("mpz g %zd\n", mpz_g);
// element_printf("x = %B\n", x);
// gmp_printf("mpz x %zd\n", mpz_x);
// gmp_printf("mpz y %zd\n", mpz_y);
// gmp_printf("mpz X %zd\n", mpz_X);
// element_printf("public key X = %B\n", X);
// element_printf("public key Y = %B\n", Y);
// }
// //element_pow_zn(Y, g, y);
// mpz_clear(mpz_g);mpz_clear(mpz_X);mpz_clear(mpz_Y);
unsigned char *a, *b, *c, *cu;
/*******Working********/
start_t = clock();
clock_t tmp_start;
clock_t bscurtotal = 0;
float bstotal;
clock_t tmp=0;
clock_t max;
clock_t min;
for(int i=0; i<user_num; i++) {
//printf("New user comes...\n");
UEActivity(&a, &b, &c, &cu);
tmp_start = clock();
BSActivity(a, b, c, cu);
tmp = clock() - tmp_start;
if(i==0) {min = tmp; max = tmp;}
else {
if(tmp > max) max = tmp;
if(tmp < min) min = tmp;
}
printf("Processing time for this user is %f ms \n",(float)tmp*1000 / CLOCKS_PER_SEC);
bscurtotal += tmp;
}
clock_t avg = bscurtotal / user_num;
printf("max single user time is %f ms \n",(float)max*1000 / CLOCKS_PER_SEC);
printf("min single user time is %f ms \n",(float)min*1000 / CLOCKS_PER_SEC);
printf("average single user time is %f ms \n",(float)avg*1000 / CLOCKS_PER_SEC);
//printf("************************\n");
end_t = clock();
total_t = (float)(end_t - start_t) / CLOCKS_PER_SEC;
bstotal = (float)bscurtotal / CLOCKS_PER_SEC;
//printf("User number: %d. \nTotal Generation & verification time taken by CPU: %f seconds.\n", user_num, total_t);
//printf("Total verification time at base station taken by CPU: %f seconds.\n", bstotal);
//printf("Exiting of the program...\n");
element_clear(g);
element_clear(X);
element_clear(Y);
element_clear(x);
element_clear(y);
return 0;
}
int main(int argc, char* argv[]) {
QTextStream err(stderr, QIODevice::WriteOnly);
if(argc != 2) {
err << "Usage: " << argv[0] << " qbits\n";
return 1;
}
int qbits;
QTextStream in(argv[1], QIODevice::ReadOnly);
in >> qbits;
if(qbits < 10) {
err << "qbits must be greater than 10\n";
return 1;
}
QTextStream out(stdout, QIODevice::WriteOnly);
out << "--- PBC Parameter Utility ---\n";
out << "r < q (for prime r and q)\n";
out << "Bits: " << qbits << "\n";
out << "\n\n";
out.flush();
pbc_param_t params;
pairing_t pairing;
const int rbits = qbits-8;
pbc_param_init_a_gen(params, rbits, qbits);
pbc_param_out_str(stdout, params);
pairing_init_pbc_param(pairing, params);
element_t gen1;
element_t neg1;
element_t gent;
element_t tmp, tmp2;
element_init_G1(tmp, pairing);
element_init_G1(tmp2, pairing);
element_init_Zr(neg1, pairing);
element_init_G1(gen1, pairing);
element_init_G1(gent, pairing);
// neg1 = 1
element_set1(neg1);
// neg1 = -1 mod r
element_neg(neg1, neg1);
do {
element_random(gen1);
// tmp = gen1^-1
element_pow_zn(tmp, gen1, neg1);
// tmp = (gen1^-1)*gen1 == gen1^r
element_mul(tmp2, tmp, gen1);
} while (!element_is1(tmp2));
element_fprintf(stdout, "g1 = %B\n", gen1);
do {
element_random(gent);
// tmp = gen1^-1
element_pow_zn(tmp, gent, neg1);
// tmp = (gen1^-1)*gen1 == gen1^r
element_mul(tmp2, tmp, gent);
} while (!element_is1(tmp2));
element_fprintf(stdout, "gT = %B\n", gent);
element_clear(gen1);
element_clear(gent);
element_clear(tmp);
element_clear(tmp2);
element_clear(neg1);
pbc_param_clear(params);
pairing_clear(pairing);
return 0;
}
