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Commit be04f192 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
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Merge "Fix attestation test." into pi-dev

parents 7dab610c d898d0a4
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+25 −4
Original line number Diff line number Diff line
@@ -49,12 +49,14 @@ typedef struct km_root_of_trust {
    ASN1_OCTET_STRING* verified_boot_key;
    ASN1_BOOLEAN* device_locked;
    ASN1_ENUMERATED* verified_boot_state;
    ASN1_OCTET_STRING* verified_boot_hash;
} KM_ROOT_OF_TRUST;

ASN1_SEQUENCE(KM_ROOT_OF_TRUST) = {
    ASN1_SIMPLE(KM_ROOT_OF_TRUST, verified_boot_key, ASN1_OCTET_STRING),
    ASN1_SIMPLE(KM_ROOT_OF_TRUST, device_locked, ASN1_BOOLEAN),
    ASN1_SIMPLE(KM_ROOT_OF_TRUST, verified_boot_state, ASN1_ENUMERATED),
    ASN1_SIMPLE(KM_ROOT_OF_TRUST, verified_boot_hash, ASN1_OCTET_STRING),
} ASN1_SEQUENCE_END(KM_ROOT_OF_TRUST);
IMPLEMENT_ASN1_FUNCTIONS(KM_ROOT_OF_TRUST);

@@ -77,11 +79,16 @@ typedef struct km_auth_list {
    ASN1_OCTET_STRING* application_id;
    ASN1_INTEGER* creation_date_time;
    ASN1_INTEGER* origin;
    ASN1_NULL* rollback_resistant;
    ASN1_NULL* rollback_resistance;
    KM_ROOT_OF_TRUST* root_of_trust;
    ASN1_INTEGER* os_version;
    ASN1_INTEGER* os_patchlevel;
    ASN1_OCTET_STRING* attestation_application_id;
    ASN1_NULL* trusted_user_presence_required;
    ASN1_NULL* trusted_confirmation_required;
    ASN1_NULL* unlocked_device_required;
    ASN1_INTEGER* vendor_patchlevel;
    ASN1_INTEGER* boot_patchlevel;
} KM_AUTH_LIST;

ASN1_SEQUENCE(KM_AUTH_LIST) = {
@@ -93,6 +100,7 @@ ASN1_SEQUENCE(KM_AUTH_LIST) = {
    ASN1_EXP_OPT(KM_AUTH_LIST, ec_curve, ASN1_INTEGER, TAG_EC_CURVE.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, rsa_public_exponent, ASN1_INTEGER,
                 TAG_RSA_PUBLIC_EXPONENT.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, rollback_resistance, ASN1_NULL, TAG_ROLLBACK_RESISTANCE.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, active_date_time, ASN1_INTEGER, TAG_ACTIVE_DATETIME.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, origination_expire_date_time, ASN1_INTEGER,
                 TAG_ORIGINATION_EXPIRE_DATETIME.maskedTag()),
@@ -102,13 +110,19 @@ ASN1_SEQUENCE(KM_AUTH_LIST) = {
    ASN1_EXP_OPT(KM_AUTH_LIST, user_auth_type, ASN1_INTEGER, TAG_USER_AUTH_TYPE.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, auth_timeout, ASN1_INTEGER, TAG_AUTH_TIMEOUT.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, allow_while_on_body, ASN1_NULL, TAG_ALLOW_WHILE_ON_BODY.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, application_id, ASN1_OCTET_STRING, TAG_APPLICATION_ID.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, trusted_user_presence_required, ASN1_NULL,
                 TAG_TRUSTED_USER_PRESENCE_REQUIRED.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, trusted_confirmation_required, ASN1_NULL,
                 TAG_TRUSTED_CONFIRMATION_REQUIRED.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, unlocked_device_required, ASN1_NULL,
                 TAG_UNLOCKED_DEVICE_REQUIRED.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, creation_date_time, ASN1_INTEGER, TAG_CREATION_DATETIME.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, origin, ASN1_INTEGER, TAG_ORIGIN.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, rollback_resistant, ASN1_NULL, TAG_ROLLBACK_RESISTANCE.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, root_of_trust, KM_ROOT_OF_TRUST, TAG_ROOT_OF_TRUST.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, os_version, ASN1_INTEGER, TAG_OS_VERSION.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, os_patchlevel, ASN1_INTEGER, TAG_OS_PATCHLEVEL.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, vendor_patchlevel, ASN1_INTEGER, TAG_VENDOR_PATCHLEVEL.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, boot_patchlevel, ASN1_INTEGER, TAG_BOOT_PATCHLEVEL.maskedTag()),
    ASN1_EXP_OPT(KM_AUTH_LIST, attestation_application_id, ASN1_OCTET_STRING,
                 TAG_ATTESTATION_APPLICATION_ID.maskedTag()),
} ASN1_SEQUENCE_END(KM_AUTH_LIST);
@@ -237,11 +251,18 @@ static ErrorCode extract_auth_list(const KM_AUTH_LIST* record, AuthorizationSet*
    copyAuthTag(record->os_version, TAG_OS_VERSION, auth_list);
    copyAuthTag(record->padding, TAG_PADDING, auth_list);
    copyAuthTag(record->purpose, TAG_PURPOSE, auth_list);
    copyAuthTag(record->rollback_resistant, TAG_ROLLBACK_RESISTANCE, auth_list);
    copyAuthTag(record->rollback_resistance, TAG_ROLLBACK_RESISTANCE, auth_list);
    copyAuthTag(record->rsa_public_exponent, TAG_RSA_PUBLIC_EXPONENT, auth_list);
    copyAuthTag(record->usage_expire_date_time, TAG_USAGE_EXPIRE_DATETIME, auth_list);
    copyAuthTag(record->user_auth_type, TAG_USER_AUTH_TYPE, auth_list);
    copyAuthTag(record->attestation_application_id, TAG_ATTESTATION_APPLICATION_ID, auth_list);
    copyAuthTag(record->vendor_patchlevel, TAG_VENDOR_PATCHLEVEL, auth_list);
    copyAuthTag(record->boot_patchlevel, TAG_BOOT_PATCHLEVEL, auth_list);
    copyAuthTag(record->trusted_user_presence_required, TAG_TRUSTED_USER_PRESENCE_REQUIRED,
                auth_list);
    copyAuthTag(record->trusted_confirmation_required, TAG_TRUSTED_CONFIRMATION_REQUIRED,
                auth_list);
    copyAuthTag(record->unlocked_device_required, TAG_UNLOCKED_DEVICE_REQUIRED, auth_list);

    return ErrorCode::OK;
}
+4 −0
Original line number Diff line number Diff line
@@ -53,6 +53,10 @@ inline ::std::ostream& operator<<(::std::ostream& os, PaddingMode value) {
    return os << toString(value);
}

inline ::std::ostream& operator<<(::std::ostream& os, SecurityLevel value) {
    return os << toString(value);
}

template <typename ValueT>
::std::ostream& operator<<(::std::ostream& os, const NullOr<ValueT>& value) {
    if (!value.isOk()) {
+5 −1
Original line number Diff line number Diff line
@@ -116,6 +116,7 @@ DECLARE_TYPED_TAG(AUTH_TIMEOUT);
DECLARE_TYPED_TAG(BLOB_USAGE_REQUIREMENTS);
DECLARE_TYPED_TAG(BLOCK_MODE);
DECLARE_TYPED_TAG(BOOTLOADER_ONLY);
DECLARE_TYPED_TAG(BOOT_PATCHLEVEL);
DECLARE_TYPED_TAG(CALLER_NONCE);
DECLARE_TYPED_TAG(CONFIRMATION_TOKEN);
DECLARE_TYPED_TAG(CREATION_DATETIME);
@@ -141,12 +142,14 @@ DECLARE_TYPED_TAG(ROLLBACK_RESISTANCE);
DECLARE_TYPED_TAG(ROOT_OF_TRUST);
DECLARE_TYPED_TAG(RSA_PUBLIC_EXPONENT);
DECLARE_TYPED_TAG(TRUSTED_CONFIRMATION_REQUIRED);
DECLARE_TYPED_TAG(TRUSTED_USER_PRESENCE_REQUIRED);
DECLARE_TYPED_TAG(UNIQUE_ID);
DECLARE_TYPED_TAG(UNLOCKED_DEVICE_REQUIRED);
DECLARE_TYPED_TAG(USAGE_EXPIRE_DATETIME);
DECLARE_TYPED_TAG(USER_AUTH_TYPE);
DECLARE_TYPED_TAG(USER_ID);
DECLARE_TYPED_TAG(USER_SECURE_ID);
DECLARE_TYPED_TAG(VENDOR_PATCHLEVEL);

template <typename... Elems>
struct MetaList {};
@@ -163,7 +166,8 @@ using all_tags_t =
             TAG_OS_VERSION_t, TAG_OS_PATCHLEVEL_t, TAG_UNIQUE_ID_t, TAG_ATTESTATION_CHALLENGE_t,
             TAG_ATTESTATION_APPLICATION_ID_t, TAG_RESET_SINCE_ID_ROTATION_t, TAG_PURPOSE_t,
             TAG_ALGORITHM_t, TAG_BLOCK_MODE_t, TAG_DIGEST_t, TAG_PADDING_t,
             TAG_BLOB_USAGE_REQUIREMENTS_t, TAG_ORIGIN_t, TAG_USER_AUTH_TYPE_t, TAG_EC_CURVE_t>;
             TAG_BLOB_USAGE_REQUIREMENTS_t, TAG_ORIGIN_t, TAG_USER_AUTH_TYPE_t, TAG_EC_CURVE_t,
             TAG_BOOT_PATCHLEVEL_t, TAG_VENDOR_PATCHLEVEL_t, TAG_TRUSTED_USER_PRESENCE_REQUIRED_t>;

template <typename TypedTagType>
struct TypedTag2ValueType;
+3 −2
Original line number Diff line number Diff line
@@ -111,8 +111,9 @@ TEST_F(VerificationTokenTest, TestCreation) {

    EXPECT_GE(host_time_delta, time_to_sleep)
        << "We slept for " << time_to_sleep << " ms, the clock must have advanced by that much";
    EXPECT_LE(host_time_delta, time_to_sleep + 10)
        << "The verifyAuthorization call took more than 10 ms?  That's awful!";
    EXPECT_LE(host_time_delta, time_to_sleep + 20)
        << "The verifyAuthorization call took " << (host_time_delta - time_to_sleep)
        << " ms?  That's awful!";

    auto km_time_delta = result2.token.timestamp - result1.token.timestamp;

+22 −25
Original line number Diff line number Diff line
@@ -182,7 +182,7 @@ X509* parse_cert_blob(const hidl_vec<uint8_t>& blob) {
}

bool verify_chain(const hidl_vec<hidl_vec<uint8_t>>& chain) {
    for (size_t i = 0; i < chain.size() - 1; ++i) {
    for (size_t i = 0; i < chain.size(); ++i) {
        X509_Ptr key_cert(parse_cert_blob(chain[i]));
        X509_Ptr signing_cert;
        if (i < chain.size() - 1) {
@@ -246,8 +246,7 @@ bool tag_in_list(const KeyParameter& entry) {
    // Attestations don't contain everything in key authorization lists, so we need to filter
    // the key lists to produce the lists that we expect to match the attestations.
    auto tag_list = {
        Tag::INCLUDE_UNIQUE_ID, Tag::BLOB_USAGE_REQUIREMENTS,
        Tag::EC_CURVE /* Tag::EC_CURVE will be included by KM2 implementations */,
        Tag::INCLUDE_UNIQUE_ID, Tag::BLOB_USAGE_REQUIREMENTS, Tag::EC_CURVE, Tag::HARDWARE_TYPE,
    };
    return std::find(tag_list.begin(), tag_list.end(), entry.tag) != tag_list.end();
}
@@ -271,7 +270,7 @@ std::string make_string(const uint8_t (&a)[N]) {

bool verify_attestation_record(const string& challenge, const string& app_id,
                               AuthorizationSet expected_sw_enforced,
                               AuthorizationSet expected_tee_enforced,
                               AuthorizationSet expected_tee_enforced, SecurityLevel security_level,
                               const hidl_vec<uint8_t>& attestation_cert) {
    X509_Ptr cert(parse_cert_blob(attestation_cert));
    EXPECT_TRUE(!!cert.get());
@@ -290,8 +289,8 @@ bool verify_attestation_record(const string& challenge, const string& app_id,
    HidlBuf att_challenge;
    HidlBuf att_unique_id;
    HidlBuf att_app_id;
    EXPECT_EQ(ErrorCode::OK,
              parse_attestation_record(attest_rec->data,                 //

    auto error = parse_attestation_record(attest_rec->data,                 //
                                          attest_rec->length,               //
                                          &att_attestation_version,         //
                                          &att_attestation_security_level,  //
@@ -300,19 +299,17 @@ bool verify_attestation_record(const string& challenge, const string& app_id,
                                          &att_challenge,                   //
                                          &att_sw_enforced,                 //
                                          &att_tee_enforced,                //
                                       &att_unique_id));
                                          &att_unique_id);
    EXPECT_EQ(ErrorCode::OK, error);
    if (error != ErrorCode::OK) return false;

    EXPECT_TRUE(att_attestation_version == 1 || att_attestation_version == 2);
    EXPECT_TRUE(att_attestation_version == 3);

    expected_sw_enforced.push_back(TAG_ATTESTATION_APPLICATION_ID, HidlBuf(app_id));

    EXPECT_GE(att_keymaster_version, 3U);
    EXPECT_EQ(KeymasterHidlTest::IsSecure() ? SecurityLevel::TRUSTED_ENVIRONMENT
                                            : SecurityLevel::SOFTWARE,
              att_keymaster_security_level);
    EXPECT_EQ(KeymasterHidlTest::IsSecure() ? SecurityLevel::TRUSTED_ENVIRONMENT
                                            : SecurityLevel::SOFTWARE,
              att_attestation_security_level);
    EXPECT_EQ(security_level, att_keymaster_security_level);
    EXPECT_EQ(security_level, att_attestation_security_level);

    EXPECT_EQ(challenge.length(), att_challenge.size());
    EXPECT_EQ(0, memcmp(challenge.data(), att_challenge.data(), challenge.length()));
@@ -3827,7 +3824,7 @@ TEST_F(AttestationTest, RsaAttestation) {
    EXPECT_TRUE(verify_attestation_record("challenge", "foo",                     //
                                          key_characteristics_.softwareEnforced,  //
                                          key_characteristics_.hardwareEnforced,  //
                                          cert_chain[0]));
                                          SecLevel(), cert_chain[0]));
}

/*
@@ -3874,7 +3871,7 @@ TEST_F(AttestationTest, EcAttestation) {
    EXPECT_TRUE(verify_attestation_record("challenge", "foo",                     //
                                          key_characteristics_.softwareEnforced,  //
                                          key_characteristics_.hardwareEnforced,  //
                                          cert_chain[0]));
                                          SecLevel(), cert_chain[0]));
}

/*