void test_fully_homomorphic() {
printf("FULLY HOMOMORPHIC (with recrypt)\n");
int i, j, m;
mpz_t c0, c1, temp;
mpz_init(c0);
mpz_init(c1);
mpz_init(temp);
fhe_pk_t pk;
fhe_sk_t sk;
fhe_pk_init(pk);
fhe_sk_init(sk);
for (i = 0; i < KEYRUNS; i++) {
mpz_t c0, c1;
mpz_init(c0);
mpz_init(c1);
fhe_pk_t pk;
fhe_sk_t sk;
fhe_pk_init(pk);
fhe_sk_init(sk);
fhe_keygen(pk, sk);
fhe_encrypt(c0, pk, 0);
printf("\nadd-chain: ");
for (j = 0; j < RUNS*RUNS; j++) {
fhe_add(c0, c0, c0, pk);
fhe_recrypt(c0, pk);
m = fhe_decrypt(c0, sk);
printf("%i", m);
fflush(stdout);
}
fhe_encrypt(c1, pk, 1);
printf("\nmul-chain: ");
for (j = 0; j < RUNS*RUNS; j++) {
fhe_mul(c1, c1, c1, pk);
fhe_recrypt(c1, pk);
m = fhe_decrypt(c1, sk);
printf("%i", m);
fflush(stdout);
}
printf("\n");
}
fhe_pk_clear(pk);
fhe_sk_clear(sk);
mpz_clear(c0);
mpz_clear(c1);
mpz_clear(temp);
printf("PASSED.\n");
}
void
test_recrypt()
{
printf("RECRYPT\n");
mpz_t c0, c1;
mpz_init(c0);
mpz_init(c1);
fhe_pk_t pk;
fhe_sk_t sk;
fhe_pk_init(pk);
fhe_sk_init(sk);
for (int i = 0; i < KEYRUNS; i++) {
fhe_keygen(pk, sk);
for (int j = 0; j < RUNS; j++) {
fhe_encrypt(c0, pk, 0);
fhe_encrypt(c1, pk, 1);
fhe_recrypt(c0, pk);
assert(fhe_decrypt(c0, sk) == 0);
fhe_recrypt(c1, pk);
assert(fhe_decrypt(c1, sk) == 1);
printf(".");
fflush(stdout);
}
printf("\n");
}
fhe_pk_clear(pk);
fhe_sk_clear(sk);
mpz_clear(c0);
mpz_clear(c1);
printf("PASSED.\n");
}
void mesure_encrypt_decrypt(){
fhe_pk_t pk;
fhe_sk_t sk;
mpz_t c, aux1, aux2;
int m;
mpz_init(c);
mpz_init(aux1);
mpz_init(aux2);
mpz_set_ui(aux2, 0);
fhe_pk_init(pk);
fhe_sk_init(sk);
struct timeval start, end;
long mtime, seconds, useconds;
gettimeofday(&start, NULL);
fhe_keygen(pk, sk);
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
//gmp_printf("p: %Zd \n", pk->p);
//gmp_printf("alpha: %Zd \n", pk->alpha);
//gmp_printf("B: %Zd \n", sk->B);
//printf("N: %d , log(p): %d , Mu: %d , Nu: %d , keygen: %ld ",N,mpz_sizeinbase( pk->p, 2), MU, LOG_NU, mtime );
gettimeofday(&start, NULL);
for(int i=0; i < 100; i++){
fhe_encrypt(c, pk, 1);
}
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("encrypt: %ld ms ", mtime );
gettimeofday(&start, NULL);
/* for(int i=0; i < 100; i++){
fhe_fulladd(c, aux1,c,c,aux2, pk);
}*/
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("add : %ld ms ", mtime );
gettimeofday(&start, NULL);
for(int i=0; i < 100; i++){
fhe_mul(c,c, c, pk);
printf("\nCheck decryption depth %d \n",fhe_decrypt(c,sk));
}
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("mul : %ld ms ", mtime );
gettimeofday(&start, NULL);
for(int i=0; i < 100; i++){
fhe_recrypt(c, pk);
}
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("recrypt : %ld ms ", mtime );
gettimeofday(&start, NULL);
for(int i=0; i < 100; i++){
fhe_decrypt(c, sk);
}
//printf("m : %d ",m);
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("decrypt : %ld ms ", mtime );
gettimeofday(&start, NULL);
test_sum_integers(2000 , 49, pk, sk);
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("sum: %ld ms \n", mtime );
printf("N: %d , log(p): %d , Mu: %d , Nu: %d , keygen: %ld ",N,mpz_sizeinbase( pk->p, 2), MU, LOG_NU, mtime );
mpz_clear(c); mpz_clear(aux1); mpz_clear(aux2);
fhe_pk_clear(pk);
fhe_sk_clear(sk);
}
