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/* Copyright 2023 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "crypto/elliptic_curve_key.h"
#include "openssl/bn.h"
#include "openssl/ec.h"
#include "openssl/mem.h"
#include "openssl/obj_mac.h"
#include "openssl/rand.h"
#include "test_util.h"
#include "util.h"
test_static enum ec_error_list test_rand(void)
{
constexpr uint8_t zero[256] = { 0 };
uint8_t buf1[256];
uint8_t buf2[256];
RAND_bytes(buf1, sizeof(buf1));
RAND_bytes(buf2, sizeof(buf2));
TEST_ASSERT_ARRAY_NE(buf1, zero, sizeof(zero));
TEST_ASSERT_ARRAY_NE(buf2, zero, sizeof(zero));
TEST_ASSERT_ARRAY_NE(buf1, buf2, sizeof(buf1));
return EC_SUCCESS;
}
test_static enum ec_error_list test_ecc_keygen(void)
{
bssl::UniquePtr<EC_KEY> key1 = generate_elliptic_curve_key();
TEST_NE(key1.get(), nullptr, "%p");
/* The generated key should be valid.*/
TEST_EQ(EC_KEY_check_key(key1.get()), 1, "%d");
bssl::UniquePtr<EC_KEY> key2 = generate_elliptic_curve_key();
TEST_NE(key2.get(), nullptr, "%p");
/* The generated key should be valid. */
TEST_EQ(EC_KEY_check_key(key2.get()), 1, "%d");
const BIGNUM *priv1 = EC_KEY_get0_private_key(key1.get());
const BIGNUM *priv2 = EC_KEY_get0_private_key(key2.get());
/* The generated keys should not be the same. */
TEST_NE(BN_cmp(priv1, priv2), 0, "%d");
/* The generated keys should not be zero. */
TEST_EQ(BN_is_zero(priv1), 0, "%d");
TEST_EQ(BN_is_zero(priv2), 0, "%d");
return EC_SUCCESS;
}
extern "C" void run_test(int argc, const char **argv)
{
RUN_TEST(test_rand);
RUN_TEST(test_ecc_keygen);
test_print_result();
}
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