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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android/hardware/keymaster/4.1/IKeymasterDevice.h>
#include <android-base/properties.h>
#include <KeymasterHidlTest.h>
#include <keymasterV4_1/authorization_set.h>
namespace android::hardware::keymaster::V4_1::test {
using V4_0::test::HidlBuf;
class Keymaster4_1HidlTest : public V4_0::test::KeymasterHidlTest {
public:
using super = V4_0::test::KeymasterHidlTest;
ErrorCode convert(V4_0::ErrorCode error_code) { return static_cast<ErrorCode>(error_code); }
// These methods hide the base class versions.
void SetUp();
IKeymasterDevice& keymaster() { return *keymaster41_; };
struct KeyData {
HidlBuf blob;
KeyCharacteristics characteristics;
};
std::tuple<ErrorCode, KeyData> GenerateKeyData(const AuthorizationSet& keyDescription) {
KeyData keyData;
ErrorCode errorCode = convert(
super::GenerateKey(keyDescription, &keyData.blob, &keyData.characteristics));
return {errorCode, keyData};
}
void CheckedDeleteKeyData(KeyData* keyData) { CheckedDeleteKey(&keyData->blob); }
template <typename TagType>
std::tuple<KeyData /* aesKey */, KeyData /* hmacKey */, KeyData /* rsaKey */,
KeyData /* ecdsaKey */>
CreateTestKeys(TagType tagToTest, ErrorCode expectedReturn) {
ErrorCode errorCode;
/* AES */
KeyData aesKeyData;
std::tie(errorCode, aesKeyData) =
GenerateKeyData(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(tagToTest)
.BlockMode(BlockMode::ECB)
.Padding(PaddingMode::NONE)
.Authorization(TAG_NO_AUTH_REQUIRED));
EXPECT_EQ(expectedReturn, errorCode);
/* HMAC */
KeyData hmacKeyData;
std::tie(errorCode, hmacKeyData) =
GenerateKeyData(AuthorizationSetBuilder()
.HmacKey(128)
.Authorization(tagToTest)
.Digest(Digest::SHA_2_256)
.Authorization(TAG_MIN_MAC_LENGTH, 128)
.Authorization(TAG_NO_AUTH_REQUIRED));
EXPECT_EQ(expectedReturn, errorCode);
/* RSA */
KeyData rsaKeyData;
std::tie(errorCode, rsaKeyData) =
GenerateKeyData(AuthorizationSetBuilder()
.RsaSigningKey(2048, 65537)
.Authorization(tagToTest)
.Digest(Digest::NONE)
.Padding(PaddingMode::NONE)
.Authorization(TAG_NO_AUTH_REQUIRED));
EXPECT_EQ(expectedReturn, errorCode);
/* ECDSA */
KeyData ecdsaKeyData;
std::tie(errorCode, ecdsaKeyData) =
GenerateKeyData(AuthorizationSetBuilder()
.EcdsaSigningKey(256)
.Authorization(tagToTest)
.Digest(Digest::SHA_2_256)
.Authorization(TAG_NO_AUTH_REQUIRED));
EXPECT_EQ(expectedReturn, errorCode);
return {aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData};
}
std::tuple<ErrorCode, std::string /* processedMessage */, AuthorizationSet /* out_params */>
ProcessMessage(const HidlBuf& key_blob, KeyPurpose operation, const std::string& message,
const AuthorizationSet& in_params);
ErrorCode UseAesKey(const HidlBuf& aesKeyBlob) {
auto [result, ciphertext, out_params] = ProcessMessage(
aesKeyBlob, KeyPurpose::ENCRYPT, "1234567890123456",
AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE));
return result;
}
ErrorCode UseHmacKey(const HidlBuf& hmacKeyBlob) {
auto [result, mac, out_params] =
ProcessMessage(hmacKeyBlob, KeyPurpose::SIGN, "1234567890123456",
AuthorizationSetBuilder()
.Authorization(TAG_MAC_LENGTH, 128)
.Digest(Digest::SHA_2_256));
return result;
}
ErrorCode UseRsaKey(const HidlBuf& rsaKeyBlob) {
std::string message(2048 / 8, 'a');
auto [result, signature, out_params] = ProcessMessage(
rsaKeyBlob, KeyPurpose::SIGN, message,
AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
return result;
}
ErrorCode UseEcdsaKey(const HidlBuf& ecdsaKeyBlob) {
auto [result, signature, out_params] =
ProcessMessage(ecdsaKeyBlob, KeyPurpose::SIGN, "a",
AuthorizationSetBuilder().Digest(Digest::SHA_2_256));
return result;
}
static std::vector<std::string> build_params() {
auto params = android::hardware::getAllHalInstanceNames(IKeymasterDevice::descriptor);
return params;
}
private:
sp<IKeymasterDevice> keymaster41_;
};
template <typename TypedTag>
bool contains(hidl_vec<KeyParameter>& set, TypedTag typedTag) {
return std::find_if(set.begin(), set.end(), [&](const KeyParameter& param) {
return param.tag == static_cast<V4_0::Tag>(typedTag);
}) != set.end();
}
#define INSTANTIATE_KEYMASTER_4_1_HIDL_TEST(name) \
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(name); \
INSTANTIATE_TEST_SUITE_P(PerInstance, name, \
testing::ValuesIn(Keymaster4_1HidlTest::build_params()), \
android::hardware::PrintInstanceNameToString)
} // namespace android::hardware::keymaster::V4_1::test
namespace android::hardware::keymaster::V4_0::test {
// If the given property is available, add it to the tag set under the given tag ID.
template <Tag tag>
void add_tag_from_prop(AuthorizationSetBuilder* tags, TypedTag<TagType::BYTES, tag> ttag,
const char* prop) {
std::string prop_value = ::android::base::GetProperty(prop, /* default= */ "");
if (!prop_value.empty()) {
tags->Authorization(ttag, prop_value.data(), prop_value.size());
}
}
} // namespace android::hardware::keymaster::V4_0::test
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