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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/web_package/signed_web_bundles/ecdsa_p256_public_key.h"
#include <array>
#include "base/test/gmock_expected_support.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace web_package {
namespace {
using base::test::ErrorIs;
using base::test::HasValue;
using testing::Eq;
// Valid ECDSA P-256 public key.
constexpr std::array<uint8_t, EcdsaP256PublicKey::kLength> kEcdsaP256PublicKey =
{0x03, 0x42, 0x06, 0xc0, 0x35, 0xe5, 0x87, 0x9f, 0xdd, 0x31, 0x51,
0x95, 0x44, 0xfd, 0x8d, 0x6c, 0x1b, 0xe9, 0x99, 0x11, 0xe8, 0x40,
0x5b, 0xae, 0x6a, 0x36, 0x1b, 0xf5, 0x17, 0x12, 0xa1, 0x17, 0xe3};
// Invalid key that is one symbol shorter than necessary.
constexpr std::array<uint8_t, EcdsaP256PublicKey::kLength - 1>
kInvalidShortPublicKey = {0x04, 0x42, 0x06, 0xc0, 0x35, 0xe5, 0x87, 0x9f,
0xdd, 0x31, 0x51, 0x95, 0x44, 0xfd, 0x8d, 0x6c,
0x1b, 0xe9, 0x99, 0x11, 0xe8, 0x40, 0x5b, 0xae,
0x6a, 0x36, 0x1b, 0xf5, 0x17, 0x12, 0xa1, 0x17};
// `kEcdsaP256PublicKey` with the first byte changed to 0x04 (invalid).
constexpr std::array<uint8_t, EcdsaP256PublicKey::kLength> kInvalidPublicKey = {
0x04, 0x42, 0x06, 0xc0, 0x35, 0xe5, 0x87, 0x9f, 0xdd, 0x31, 0x51,
0x95, 0x44, 0xfd, 0x8d, 0x6c, 0x1b, 0xe9, 0x99, 0x11, 0xe8, 0x40,
0x5b, 0xae, 0x6a, 0x36, 0x1b, 0xf5, 0x17, 0x12, 0xa1, 0x17, 0xe3};
} // namespace
TEST(EcdsaP256PublicKeyTest, Create) {
EXPECT_THAT(EcdsaP256PublicKey::Create(kEcdsaP256PublicKey), HasValue());
EXPECT_THAT(EcdsaP256PublicKey::Create(kInvalidShortPublicKey),
ErrorIs(Eq("The ECDSA P-256 public key does not have the correct "
"length. Expected 33 bytes, but received 32 bytes.")));
EXPECT_THAT(
EcdsaP256PublicKey::Create(kInvalidPublicKey),
ErrorIs(
Eq("Unable to parse a valid ECDSA P-256 key from the given bytes.")));
}
} // namespace web_package
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