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Commit 42a2f6b6 authored by Seth Moore's avatar Seth Moore
Browse files

Add a unit test for remote_prov_utils 

This functionality will be used for the factory tooling, so we should
test it. Additionally, some new functionality will soon be added, and
it also needs to be tested.

Test: libkeymint_remote_prov_support_test
Bug: 191301285
Change-Id: I6a8798fc4b09fff1e829185a4b9e471921e5d2a9
Merged-In: I6a8798fc4b09fff1e829185a4b9e471921e5d2a9
parent 2e749339

security/keymint/support/Android.bp

+16 −0
Original line number Diff line number Diff line
@@ -62,3 +62,19 @@ cc_library { 
        "libcrypto",

    ],

}



cc_test {

    name: "libkeymint_remote_prov_support_test",

    srcs: ["remote_prov_utils_test.cpp"],

    static_libs: [

        "libgmock",

        "libgtest_main",

    ],

    shared_libs: [

        "libcppbor_external",

        "libcppcose_rkp",

        "libcrypto",

        "libkeymaster_portable",

        "libkeymint_remote_prov_support",

    ],

}

security/keymint/support/remote_prov_utils.cpp

+4 −0
Original line number Diff line number Diff line
@@ -31,6 +31,10 @@ bytevec randomBytes(size_t numBytes) { 
}



ErrMsgOr<EekChain> generateEekChain(size_t length, const bytevec& eekId) {

    if (length < 2) {

        return "EEK chain must contain at least 2 certs.";

    }



    auto eekChain = cppbor::Array();



    bytevec prev_priv_key;

security/keymint/support/remote_prov_utils_test.cpp

0 → 100644
+55 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2021 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.

 */



#include <gmock/gmock.h>

#include <gtest/gtest.h>

#include <keymaster/android_keymaster_utils.h>

#include <keymaster/remote_provisioning_utils.h>

#include <openssl/curve25519.h>

#include <remote_prov/remote_prov_utils.h>

#include <cstdint>



namespace aidl::android::hardware::security::keymint::remote_prov {

namespace {



using ::keymaster::KeymasterBlob;

using ::keymaster::validateAndExtractEekPubAndId;

using ::testing::ElementsAreArray;



TEST(RemoteProvUtilsTest, GenerateEekChainInvalidLength) {

    ASSERT_FALSE(generateEekChain(1, /*eekId=*/{}));

}



TEST(RemoteProvUtilsTest, GenerateEekChain) {

    bytevec kTestEekId = {'t', 'e', 's', 't', 'I', 'd', 0};

    for (size_t length : {2, 3, 31}) {

        auto get_eek_result = generateEekChain(length, kTestEekId);

        ASSERT_TRUE(get_eek_result) << get_eek_result.message();



        auto& [chain, pubkey, privkey] = *get_eek_result;



        auto validation_result = validateAndExtractEekPubAndId(

                /*testMode=*/true, KeymasterBlob(chain.data(), chain.size()));

        ASSERT_TRUE(validation_result.isOk());



        auto& [eekPub, eekId] = *validation_result;

        EXPECT_THAT(eekId, ElementsAreArray(kTestEekId));

        EXPECT_THAT(eekPub, ElementsAreArray(pubkey));

    }

}



}  // namespace

}  // namespace aidl::android::hardware::security::keymint::remote_prov