C++ (Cpp) jpake_default_group Beispiele

Beispiel #1

Datei: schnorr.c Projekt: CTSRD-SOAAP/openssh

static void
schnorr_selftest(void)
{
	BIGNUM *x;
	struct modp_group *grp;
	u_int i;
	char *hh;

	grp = jpake_default_group();
	if ((x = BN_new()) == NULL)
		fatal("%s: BN_new", __func__);
	SCHNORR_DEBUG_BN((grp->p, "%s: grp->p = ", __func__));
	SCHNORR_DEBUG_BN((grp->q, "%s: grp->q = ", __func__));
	SCHNORR_DEBUG_BN((grp->g, "%s: grp->g = ", __func__));

	/* [1, 20) */
	for (i = 1; i < 20; i++) {
		printf("x = %u\n", i);
		fflush(stdout);
		if (BN_set_word(x, i) != 1)
			fatal("%s: set x word", __func__);
		schnorr_selftest_one(grp->p, grp->q, grp->g, x);
	}

	/* 100 x random [0, p) */
	for (i = 0; i < 100; i++) {
		if (BN_rand_range(x, grp->p) != 1)
			fatal("%s: BN_rand_range", __func__);
		hh = BN_bn2hex(x);
		printf("x = (random) 0x%s\n", hh);
		free(hh);
		fflush(stdout);
		schnorr_selftest_one(grp->p, grp->q, grp->g, x);
	}

	/* [q-20, q) */
	if (BN_set_word(x, 20) != 1)
		fatal("%s: BN_set_word (x = 20)", __func__);
	if (BN_sub(x, grp->q, x) != 1)
		fatal("%s: BN_sub (q - x)", __func__);
	for (i = 0; i < 19; i++) {
		hh = BN_bn2hex(x);
		printf("x = (q - %d) 0x%s\n", 20 - i, hh);
		free(hh);
		fflush(stdout);
		schnorr_selftest_one(grp->p, grp->q, grp->g, x);
		if (BN_add(x, x, BN_value_one()) != 1)
			fatal("%s: BN_add (x + 1)", __func__);
	}
	BN_free(x);
}

Beispiel #2

Datei: jpake.c Projekt: openssh/libopenssh

struct jpake_ctx *
jpake_new(void)
{
	struct jpake_ctx *ret;

	ret = xcalloc(1, sizeof(*ret));

	ret->grp = jpake_default_group();

	ret->s = ret->k = NULL;
	ret->x1 = ret->x2 = ret->x3 = ret->x4 = NULL;
	ret->g_x1 = ret->g_x2 = ret->g_x3 = ret->g_x4 = NULL;
	ret->a = ret->b = NULL;

	ret->client_id = ret->server_id = NULL;
	ret->h_k_cid_sessid = ret->h_k_sid_sessid = NULL;

	debug3("%s: alloc %p", __func__, ret);

	return ret;
}