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Commit 13662864 authored by David Drysdale's avatar David Drysdale Committed by Automerger Merge Worker
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KeyMint VTS: better early boot key tests am: eaab0f28 

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/14881393

Change-Id: I7d56a2ef5e8570b011e6dd6d6ebb8e5e9a4e3dbd
parents c991e9fe eaab0f28

security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h

+39 −30
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


#pragma once



#include <functional>

#include <string_view>



#include <aidl/Gtest.h>
@@ -206,50 +207,58 @@ class KeyMintAidlTestBase : public ::testing::TestWithParam<string> { 
    template <typename TagType>

    std::tuple<KeyData /* aesKey */, KeyData /* hmacKey */, KeyData /* rsaKey */,

               KeyData /* ecdsaKey */>

    CreateTestKeys(TagType tagToTest, ErrorCode expectedReturn) {

    CreateTestKeys(

            TagType tagToTest, ErrorCode expectedReturn,

            std::function<void(AuthorizationSetBuilder*)> tagModifier =

                    [](AuthorizationSetBuilder*) {}) {

        /* AES */

        KeyData aesKeyData;

        ErrorCode errorCode = GenerateKey(AuthorizationSetBuilder()

        AuthorizationSetBuilder aesBuilder = AuthorizationSetBuilder()

                                                     .AesEncryptionKey(128)

                                                     .Authorization(tagToTest)

                                                     .BlockMode(BlockMode::ECB)

                                                     .Padding(PaddingMode::NONE)

                                                  .Authorization(TAG_NO_AUTH_REQUIRED),

                                          &aesKeyData.blob, &aesKeyData.characteristics);

                                                     .Authorization(TAG_NO_AUTH_REQUIRED);

        tagModifier(&aesBuilder);

        ErrorCode errorCode =

                GenerateKey(aesBuilder, &aesKeyData.blob, &aesKeyData.characteristics);

        EXPECT_EQ(expectedReturn, errorCode);



        /* HMAC */

        KeyData hmacKeyData;

        errorCode = GenerateKey(AuthorizationSetBuilder()

        AuthorizationSetBuilder hmacBuilder = AuthorizationSetBuilder()

                                                      .HmacKey(128)

                                                      .Authorization(tagToTest)

                                                      .Digest(Digest::SHA_2_256)

                                                      .Authorization(TAG_MIN_MAC_LENGTH, 128)

                                        .Authorization(TAG_NO_AUTH_REQUIRED),

                                &hmacKeyData.blob, &hmacKeyData.characteristics);

                                                      .Authorization(TAG_NO_AUTH_REQUIRED);

        tagModifier(&hmacBuilder);

        errorCode = GenerateKey(hmacBuilder, &hmacKeyData.blob, &hmacKeyData.characteristics);

        EXPECT_EQ(expectedReturn, errorCode);



        /* RSA */

        KeyData rsaKeyData;

        errorCode = GenerateKey(AuthorizationSetBuilder()

        AuthorizationSetBuilder rsaBuilder = AuthorizationSetBuilder()

                                                     .RsaSigningKey(2048, 65537)

                                                     .Authorization(tagToTest)

                                                     .Digest(Digest::NONE)

                                                     .Padding(PaddingMode::NONE)

                                                     .Authorization(TAG_NO_AUTH_REQUIRED)

                                        .SetDefaultValidity(),

                                &rsaKeyData.blob, &rsaKeyData.characteristics);

                                                     .SetDefaultValidity();

        tagModifier(&rsaBuilder);

        errorCode = GenerateKey(rsaBuilder, &rsaKeyData.blob, &rsaKeyData.characteristics);

        EXPECT_EQ(expectedReturn, errorCode);



        /* ECDSA */

        KeyData ecdsaKeyData;

        errorCode = GenerateKey(AuthorizationSetBuilder()

        AuthorizationSetBuilder ecdsaBuilder = AuthorizationSetBuilder()

                                                       .EcdsaSigningKey(256)

                                                       .Authorization(tagToTest)

                                                       .Digest(Digest::SHA_2_256)

                                                       .Authorization(TAG_NO_AUTH_REQUIRED)

                                        .SetDefaultValidity(),

                                &ecdsaKeyData.blob, &ecdsaKeyData.characteristics);

                                                       .SetDefaultValidity();

        tagModifier(&ecdsaBuilder);

        errorCode = GenerateKey(ecdsaBuilder, &ecdsaKeyData.blob, &ecdsaKeyData.characteristics);

        EXPECT_EQ(expectedReturn, errorCode);

        return {aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData};

    }

security/keymint/aidl/vts/functional/KeyMintTest.cpp

+29 −1
Original line number Diff line number Diff line
@@ -6355,6 +6355,34 @@ TEST_P(EarlyBootKeyTest, CreateEarlyBootKeys) { 
    auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] =

            CreateTestKeys(TAG_EARLY_BOOT_ONLY, ErrorCode::OK);



    for (const auto& keyData : {aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData}) {

        ASSERT_GT(keyData.blob.size(), 0U);

        AuthorizationSet crypto_params = SecLevelAuthorizations(keyData.characteristics);

        EXPECT_TRUE(crypto_params.Contains(TAG_EARLY_BOOT_ONLY)) << crypto_params;

    }

    CheckedDeleteKey(&aesKeyData.blob);

    CheckedDeleteKey(&hmacKeyData.blob);

    CheckedDeleteKey(&rsaKeyData.blob);

    CheckedDeleteKey(&ecdsaKeyData.blob);

}



/*

 * EarlyBootKeyTest.CreateAttestedEarlyBootKey

 *

 * Verifies that creating an early boot key with attestation succeeds.

 */

TEST_P(EarlyBootKeyTest, CreateAttestedEarlyBootKey) {

    auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] = CreateTestKeys(

            TAG_EARLY_BOOT_ONLY, ErrorCode::OK, [](AuthorizationSetBuilder* builder) {

                builder->AttestationChallenge("challenge");

                builder->AttestationApplicationId("app_id");

            });



    for (const auto& keyData : {aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData}) {

        ASSERT_GT(keyData.blob.size(), 0U);

        AuthorizationSet crypto_params = SecLevelAuthorizations(keyData.characteristics);

        EXPECT_TRUE(crypto_params.Contains(TAG_EARLY_BOOT_ONLY)) << crypto_params;

    }

    CheckedDeleteKey(&aesKeyData.blob);

    CheckedDeleteKey(&hmacKeyData.blob);

    CheckedDeleteKey(&rsaKeyData.blob);
@@ -6362,7 +6390,7 @@ TEST_P(EarlyBootKeyTest, CreateEarlyBootKeys) { 
}



/*

 * EarlyBootKeyTest.UsetEarlyBootKeyFailure

 * EarlyBootKeyTest.UseEarlyBootKeyFailure

 *

 * Verifies that using early boot keys at a later stage fails.

 */