void point_print(const char *s, const EC_POINT x)
{
int size = point_get_str_length(x);
char *str = (char*)malloc(sizeof(char)*size);
point_get_str(str, x);
printf("%s: %s\n", s, str);
free(str);
}
void print_point(const EC_POINT x)
{
int len = point_get_str_length(x);
char *s = (char*)malloc(sizeof(char) * len);
point_get_str(s, x);
printf("point: %s\n", s);
free(s);
}
//============================================
// 楕円曲線の入出力テスト
//============================================
void test_io(const EC_GROUP ec)
{
int i;
unsigned long long int t1, t2;
EC_POINT P, Q, R;
size_t osize;
unsigned char os[130];
char str[262];
point_init(P, ec);
point_init(Q, ec);
point_init(R, ec);
//---------------------
// octet string
//---------------------
point_set_infinity(R);
point_to_oct(os, &osize, R);
point_from_oct(Q, os, osize);
assert(point_is_infinity(Q));
for (i = 0; i < 100; i++)
{
point_random(P);
point_to_oct(os, &osize, P);
point_from_oct(Q, os, osize);
assert(point_cmp(P, Q) == 0);
}
t1 = rdtsc();
for (i = 0; i < N; i++) { point_to_oct(os, &osize, P); }
t2 = rdtsc();
printf("point to octet string: %.2lf [clock]\n", (double)(t2 - t1) / N);
t1 = rdtsc();
for (i = 0; i < N; i++) { point_from_oct(Q, os, osize); }
t2 = rdtsc();
printf("point from octet string: %.2lf [clock]\n", (double)(t2 - t1) / N);
//---------------------
// string
//---------------------
point_set_infinity(R);
point_get_str(str, R);
point_set_str(Q, str);
assert(point_is_infinity(Q));
for (i = 0; i < 100; i++)
{
point_get_str(str, P);
point_set_str(Q, str);
assert(point_cmp(P, Q) == 0);
}
t1 = rdtsc();
for (i = 0; i < N; i++) { point_get_str(str, P); }
t2 = rdtsc();
printf("point get string: %.2lf [clock]\n", (double)(t2 - t1) / N);
t1 = rdtsc();
for (i = 0; i < N; i++) { point_set_str(Q, str); }
t2 = rdtsc();
printf("point set string: %.2lf [clock]\n", (double)(t2 - t1) / N);
point_clear(P);
point_clear(Q);
point_clear(R);
}
