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[gatekeeperd] return brute-force throttling information

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Bug: 21118563
Change-Id: I13c6a44f61668be8b4c1fde8c84dcfebab84517c
This commit is contained in:
Andres Morales 2015-05-18 09:26:19 -07:00
parent 62de207fcd
commit ae242929da
9 changed files with 465 additions and 43 deletions
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3
gatekeeperd/Android.mk
View file

@ -25,9 +25,12 @@ LOCAL_SHARED_LIBRARIES := \
libgatekeeper \
liblog \
libhardware \
libbase \
libutils \
libcrypto \
libkeystore_binder
LOCAL_STATIC_LIBRARIES := libscrypt_static
LOCAL_C_INCLUDES := external/scrypt/lib/crypto
include $(BUILD_EXECUTABLE)
include $(call first-makefiles-under,$(LOCAL_PATH))

52
gatekeeperd/IGateKeeperService.cpp
View file

@ -50,18 +50,25 @@ status_t BnGateKeeperService::onTransact(
uint8_t *out = NULL;
uint32_t outSize = 0;
status_t ret = enroll(uid, currentPasswordHandle, currentPasswordHandleSize,
int ret = enroll(uid, currentPasswordHandle, currentPasswordHandleSize,
currentPassword, currentPasswordSize, desiredPassword,
desiredPasswordSize, &out, &outSize);
reply->writeNoException();
if (ret == NO_ERROR && outSize > 0 && out != NULL) {
reply->writeInt32(1);
if (ret == 0 && outSize > 0 && out != NULL) {
reply->writeInt32(GATEKEEPER_RESPONSE_OK);
reply->writeInt32(0);
reply->writeInt32(outSize);
reply->writeInt32(outSize);
void *buf = reply->writeInplace(outSize);
memcpy(buf, out, outSize);
free(out);
delete[] out;
} else if (ret > 0) {
reply->writeInt32(GATEKEEPER_RESPONSE_RETRY);
reply->writeInt32(ret);
} else {
reply->writeInt32(-1);
reply->writeInt32(GATEKEEPER_RESPONSE_ERROR);
}
return NO_ERROR;
}
@ -78,10 +85,23 @@ status_t BnGateKeeperService::onTransact(
static_cast<const uint8_t *>(data.readInplace(currentPasswordSize));
if (!currentPassword) currentPasswordSize = 0;
status_t ret = verify(uid, (uint8_t *) currentPasswordHandle,
currentPasswordHandleSize, (uint8_t *) currentPassword, currentPasswordSize);
bool request_reenroll = false;
int ret = verify(uid, (uint8_t *) currentPasswordHandle,
currentPasswordHandleSize, (uint8_t *) currentPassword, currentPasswordSize,
&request_reenroll);
reply->writeNoException();
reply->writeInt32(ret == NO_ERROR ? 1 : 0);
reply->writeInt32(1);
if (ret == 0) {
reply->writeInt32(GATEKEEPER_RESPONSE_OK);
reply->writeInt32(request_reenroll ? 1 : 0);
reply->writeInt32(0); // no payload returned from this call
} else if (ret > 0) {
reply->writeInt32(GATEKEEPER_RESPONSE_RETRY);
reply->writeInt32(ret);
} else {
reply->writeInt32(GATEKEEPER_RESPONSE_ERROR);
}
return NO_ERROR;
}
case VERIFY_CHALLENGE: {
@ -101,17 +121,25 @@ status_t BnGateKeeperService::onTransact(
uint8_t *out = NULL;
uint32_t outSize = 0;
status_t ret = verifyChallenge(uid, challenge, (uint8_t *) currentPasswordHandle,
bool request_reenroll = false;
int ret = verifyChallenge(uid, challenge, (uint8_t *) currentPasswordHandle,
currentPasswordHandleSize, (uint8_t *) currentPassword, currentPasswordSize,
&out, &outSize);
&out, &outSize, &request_reenroll);
reply->writeNoException();
if (ret == NO_ERROR && outSize > 0 && out != NULL) {
reply->writeInt32(1);
if (ret == 0 && outSize > 0 && out != NULL) {
reply->writeInt32(GATEKEEPER_RESPONSE_OK);
reply->writeInt32(request_reenroll ? 1 : 0);
reply->writeInt32(outSize);
reply->writeInt32(outSize);
void *buf = reply->writeInplace(outSize);
memcpy(buf, out, outSize);
free(out);
delete[] out;
} else if (ret > 0) {
reply->writeInt32(GATEKEEPER_RESPONSE_RETRY);
reply->writeInt32(ret);
} else {
reply->writeInt32(-1);
reply->writeInt32(GATEKEEPER_RESPONSE_ERROR);
}
return NO_ERROR;
}

35
gatekeeperd/IGateKeeperService.h
View file

@ -35,6 +35,12 @@ public:
CLEAR_SECURE_USER_ID = IBinder::FIRST_CALL_TRANSACTION + 4,
};
enum {
GATEKEEPER_RESPONSE_OK = 0,
GATEKEEPER_RESPONSE_RETRY = 1,
GATEKEEPER_RESPONSE_ERROR = -1,
};
// DECLARE_META_INTERFACE - C++ client interface not needed
static const android::String16 descriptor;
virtual const android::String16& getInterfaceDescriptor() const;
@ -43,8 +49,13 @@ public:
/**
* Enrolls a password with the GateKeeper. Returns 0 on success, negative on failure.
* Returns:
* - 0 on success
* - A timestamp T > 0 if the call has failed due to throttling and should not
* be reattempted until T milliseconds have elapsed
* - -1 on failure
*/
virtual status_t enroll(uint32_t uid,
virtual int enroll(uint32_t uid,
const uint8_t *current_password_handle, uint32_t current_password_handle_length,
const uint8_t *current_password, uint32_t current_password_length,
const uint8_t *desired_password, uint32_t desired_password_length,
@ -52,21 +63,29 @@ public:
/**
* Verifies a password previously enrolled with the GateKeeper.
* Returns 0 on success, negative on failure.
* Returns:
* - 0 on success
* - A timestamp T > 0 if the call has failed due to throttling and should not
* be reattempted until T milliseconds have elapsed
* - -1 on failure
*/
virtual status_t verify(uint32_t uid, const uint8_t *enrolled_password_handle,
virtual int verify(uint32_t uid, const uint8_t *enrolled_password_handle,
uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length) = 0;
const uint8_t *provided_password, uint32_t provided_password_length,
bool *request_reenroll) = 0;
/**
* Verifies a password previously enrolled with the GateKeeper.
* Returns 0 on success, negative on failure.
* Returns:
* - 0 on success
* - A timestamp T > 0 if the call has failed due to throttling and should not
* be reattempted until T milliseconds have elapsed
* - -1 on failure
*/
virtual status_t verifyChallenge(uint32_t uid, uint64_t challenge,
virtual int verifyChallenge(uint32_t uid, uint64_t challenge,
const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length,
uint8_t **auth_token, uint32_t *auth_token_length) = 0;
uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll) = 0;
/**
* Returns the secure user ID for the provided android user
*/

127
gatekeeperd/SoftGateKeeper.h Normal file
View file

@ -0,0 +1,127 @@
/*
* Copyright 2015 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.
*
*/
#ifndef SOFT_GATEKEEPER_H_
#define SOFT_GATEKEEPER_H_
extern "C" {
#include <openssl/rand.h>
#include <crypto_scrypt.h>
}
#include <UniquePtr.h>
#include <gatekeeper/gatekeeper.h>
#include <iostream>
#include <unordered_map>
namespace gatekeeper {
class SoftGateKeeper : public GateKeeper {
public:
static const uint32_t SIGNATURE_LENGTH_BYTES = 32;
// scrypt params
static const uint64_t N = 16384;
static const uint32_t r = 8;
static const uint32_t p = 1;
static const int MAX_UINT_32_CHARS = 11;
SoftGateKeeper() {
key_.reset(new uint8_t[SIGNATURE_LENGTH_BYTES]);
memset(key_.get(), 0, SIGNATURE_LENGTH_BYTES);
}
virtual ~SoftGateKeeper() {
}
virtual bool GetAuthTokenKey(const uint8_t **auth_token_key,
uint32_t *length) const {
if (auth_token_key == NULL || length == NULL) return false;
*auth_token_key = const_cast<const uint8_t *>(key_.get());
*length = SIGNATURE_LENGTH_BYTES;
return true;
}
virtual void GetPasswordKey(const uint8_t **password_key, uint32_t *length) {
if (password_key == NULL || length == NULL) return;
*password_key = const_cast<const uint8_t *>(key_.get());
*length = SIGNATURE_LENGTH_BYTES;
}
virtual void ComputePasswordSignature(uint8_t *signature, uint32_t signature_length,
const uint8_t *, uint32_t, const uint8_t *password,
uint32_t password_length, salt_t salt) const {
if (signature == NULL) return;
crypto_scrypt(password, password_length, reinterpret_cast<uint8_t *>(&salt),
sizeof(salt), N, r, p, signature, signature_length);
}
virtual void GetRandom(void *random, uint32_t requested_length) const {
if (random == NULL) return;
RAND_pseudo_bytes((uint8_t *) random, requested_length);
}
virtual void ComputeSignature(uint8_t *signature, uint32_t signature_length,
const uint8_t *, uint32_t, const uint8_t *, const uint32_t) const {
if (signature == NULL) return;
memset(signature, 0, signature_length);
}
virtual uint64_t GetMillisecondsSinceBoot() const {
struct timespec time;
int res = clock_gettime(CLOCK_BOOTTIME, &time);
if (res < 0) return 0;
return (time.tv_sec * 1000) + (time.tv_nsec / 1000 / 1000);
}
virtual bool IsHardwareBacked() const {
return false;
}
virtual bool GetFailureRecord(uint32_t uid, secure_id_t user_id, failure_record_t *record) {
failure_record_t *stored = &failure_map_[uid];
if (user_id != stored->secure_user_id) {
stored->secure_user_id = user_id;
stored->last_checked_timestamp = 0;
stored->failure_counter = 0;
}
memcpy(record, stored, sizeof(*record));
return true;
}
virtual void ClearFailureRecord(uint32_t uid, secure_id_t user_id) {
failure_record_t *stored = &failure_map_[uid];
stored->secure_user_id = user_id;
stored->last_checked_timestamp = 0;
stored->failure_counter = 0;
}
virtual bool WriteFailureRecord(uint32_t uid, failure_record_t *record) {
failure_map_[uid] = *record;
return true;
}
private:
UniquePtr<uint8_t> key_;
std::unordered_map<uint32_t, failure_record_t> failure_map_;
};
}
#endif // SOFT_GATEKEEPER_H_

22
gatekeeperd/SoftGateKeeperDevice.cpp
View file

@ -13,8 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gatekeeper/soft_gatekeeper.h>
#include "SoftGateKeeper.h"
#include "SoftGateKeeperDevice.h"
namespace android {
@ -58,8 +57,11 @@ int SoftGateKeeperDevice::enroll(uint32_t uid,
impl_->Enroll(request, &response);
if (response.error != ERROR_NONE)
if (response.error == ERROR_RETRY) {
return response.retry_timeout;
} else if (response.error != ERROR_NONE) {
return -EINVAL;
}
*enrolled_password_handle = response.enrolled_password_handle.buffer.release();
*enrolled_password_handle_length = response.enrolled_password_handle.length;
@ -69,7 +71,8 @@ int SoftGateKeeperDevice::enroll(uint32_t uid,
int SoftGateKeeperDevice::verify(uint32_t uid,
uint64_t challenge, const uint8_t *enrolled_password_handle,
uint32_t enrolled_password_handle_length, const uint8_t *provided_password,
uint32_t provided_password_length, uint8_t **auth_token, uint32_t *auth_token_length) {
uint32_t provided_password_length, uint8_t **auth_token, uint32_t *auth_token_length,
bool *request_reenroll) {
if (enrolled_password_handle == NULL ||
provided_password == NULL) {
@ -87,14 +90,21 @@ int SoftGateKeeperDevice::verify(uint32_t uid,
impl_->Verify(request, &response);
if (response.error != ERROR_NONE)
return -EINVAL;
if (response.error == ERROR_RETRY) {
return response.retry_timeout;
} else if (response.error != ERROR_NONE) {
return -EINVAL;
}
if (auth_token != NULL && auth_token_length != NULL) {
*auth_token = response.auth_token.buffer.release();
*auth_token_length = response.auth_token.length;
}
if (request_reenroll != NULL) {
*request_reenroll = response.request_reenroll;
}
return 0;
}
} // namespace android

5
gatekeeperd/SoftGateKeeperDevice.h
View file

@ -17,7 +17,8 @@
#ifndef SOFT_GATEKEEPER_DEVICE_H_
#define SOFT_GATEKEEPER_DEVICE_H_
#include <gatekeeper/soft_gatekeeper.h>
#include "SoftGateKeeper.h"
#include <UniquePtr.h>
using namespace gatekeeper;
@ -65,7 +66,7 @@ public:
int verify(uint32_t uid, uint64_t challenge,
const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length,
uint8_t **auth_token, uint32_t *auth_token_length);
uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll);
private:
UniquePtr<GateKeeper> impl_;
};

31
gatekeeperd/gatekeeperd.cpp
View file

@ -102,7 +102,7 @@ public:
}
}
virtual status_t enroll(uint32_t uid,
virtual int enroll(uint32_t uid,
const uint8_t *current_password_handle, uint32_t current_password_handle_length,
const uint8_t *current_password, uint32_t current_password_length,
const uint8_t *desired_password, uint32_t desired_password_length,
@ -132,29 +132,29 @@ public:
enrolled_password_handle, enrolled_password_handle_length);
}
if (ret >= 0) {
if (ret == 0) {
gatekeeper::password_handle_t *handle =
reinterpret_cast<gatekeeper::password_handle_t *>(*enrolled_password_handle);
store_sid(uid, handle->user_id);
return NO_ERROR;
}
return UNKNOWN_ERROR;
return ret;
}
virtual status_t verify(uint32_t uid,
virtual int verify(uint32_t uid,
const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length) {
const uint8_t *provided_password, uint32_t provided_password_length, bool *request_reenroll) {
uint8_t *auth_token;
uint32_t auth_token_length;
return verifyChallenge(uid, 0, enrolled_password_handle, enrolled_password_handle_length,
provided_password, provided_password_length,
&auth_token, &auth_token_length);
&auth_token, &auth_token_length, request_reenroll);
}
virtual status_t verifyChallenge(uint32_t uid, uint64_t challenge,
virtual int verifyChallenge(uint32_t uid, uint64_t challenge,
const uint8_t *enrolled_password_handle, uint32_t enrolled_password_handle_length,
const uint8_t *provided_password, uint32_t provided_password_length,
uint8_t **auth_token, uint32_t *auth_token_length) {
uint8_t **auth_token, uint32_t *auth_token_length, bool *request_reenroll) {
IPCThreadState* ipc = IPCThreadState::self();
const int calling_pid = ipc->getCallingPid();
const int calling_uid = ipc->getCallingUid();
@ -170,14 +170,16 @@ public:
if (device) {
ret = device->verify(device, uid, challenge,
enrolled_password_handle, enrolled_password_handle_length,
provided_password, provided_password_length, auth_token, auth_token_length);
provided_password, provided_password_length, auth_token, auth_token_length,
request_reenroll);
} else {
ret = soft_device->verify(uid, challenge,
enrolled_password_handle, enrolled_password_handle_length,
provided_password, provided_password_length, auth_token, auth_token_length);
provided_password, provided_password_length, auth_token, auth_token_length,
request_reenroll);
}
if (ret >= 0 && *auth_token != NULL && *auth_token_length > 0) {
if (ret == 0 && *auth_token != NULL && *auth_token_length > 0) {
// TODO: cache service?
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("android.security.keystore"));
@ -192,13 +194,12 @@ public:
}
}
if (ret >= 0) {
if (ret == 0) {
maybe_store_sid(uid, reinterpret_cast<const gatekeeper::password_handle_t *>(
enrolled_password_handle)->user_id);
return NO_ERROR;
}
return UNKNOWN_ERROR;
return ret;
}
virtual uint64_t getSecureUserId(uint32_t uid) {

29
gatekeeperd/tests/Android.mk Normal file
View file

@ -0,0 +1,29 @@
#
# Copyright (C) 2015 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.
#
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := gatekeeperd-unit-tests
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
LOCAL_CFLAGS += -g -Wall -Werror -std=gnu++11 -Wno-missing-field-initializers
LOCAL_SHARED_LIBRARIES := libgatekeeper libcrypto
LOCAL_STATIC_LIBRARIES := libscrypt_static
LOCAL_C_INCLUDES := external/scrypt/lib/crypto
LOCAL_SRC_FILES := \
gatekeeper_test.cpp
include $(BUILD_NATIVE_TEST)

204
gatekeeperd/tests/gatekeeper_test.cpp Normal file
View file

@ -0,0 +1,204 @@
/*
* Copyright 2015 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 <gtest/gtest.h>
#include <UniquePtr.h>
#include <iostream>
#include <hardware/hw_auth_token.h>
#include "../SoftGateKeeper.h"
using ::gatekeeper::SizedBuffer;
using ::testing::Test;
using ::gatekeeper::EnrollRequest;
using ::gatekeeper::EnrollResponse;
using ::gatekeeper::VerifyRequest;
using ::gatekeeper::VerifyResponse;
using ::gatekeeper::SoftGateKeeper;
using ::gatekeeper::secure_id_t;
static void do_enroll(SoftGateKeeper &gatekeeper, EnrollResponse *response) {
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
password.length = 16;
memset(password.buffer.get(), 0, 16);
EnrollRequest request(0, NULL, &password, NULL);
gatekeeper.Enroll(request, response);
}
TEST(GateKeeperTest, EnrollSuccess) {
SoftGateKeeper gatekeeper;
EnrollResponse response;
do_enroll(gatekeeper, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
}
TEST(GateKeeperTest, EnrollBogusData) {
SoftGateKeeper gatekeeper;
SizedBuffer password;
EnrollResponse response;
EnrollRequest request(0, NULL, &password, NULL);
gatekeeper.Enroll(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_INVALID, response.error);
}
TEST(GateKeeperTest, VerifySuccess) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
VerifyRequest request(0, 1, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
ASSERT_EQ((uint32_t) HW_AUTH_PASSWORD, ntohl(auth_token->authenticator_type));
ASSERT_EQ((uint64_t) 1, auth_token->challenge);
ASSERT_NE(~((uint32_t) 0), auth_token->timestamp);
ASSERT_NE((uint64_t) 0, auth_token->user_id);
ASSERT_NE((uint64_t) 0, auth_token->authenticator_id);
}
TEST(GateKeeperTest, TrustedReEnroll) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
SizedBuffer password_handle;
// do_enroll enrolls an all 0 password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// keep a copy of the handle
password_handle.buffer.reset(new uint8_t[enroll_response.enrolled_password_handle.length]);
password_handle.length = enroll_response.enrolled_password_handle.length;
memcpy(password_handle.buffer.get(), enroll_response.enrolled_password_handle.buffer.get(),
password_handle.length);
// verify first password
VerifyRequest request(0, 0, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
secure_id_t secure_id = auth_token->user_id;
// enroll new password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
EnrollRequest enroll_request(0, &password_handle, &password, &provided_password);
gatekeeper.Enroll(enroll_request, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify new password
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
VerifyRequest new_request(0, 0, &enroll_response.enrolled_password_handle,
&password);
gatekeeper.Verify(new_request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
ASSERT_EQ(secure_id,
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get())->user_id);
}
TEST(GateKeeperTest, UntrustedReEnroll) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
EnrollResponse enroll_response;
// do_enroll enrolls an all 0 password
provided_password.buffer.reset(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
do_enroll(gatekeeper, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify first password
VerifyRequest request(0, 0, &enroll_response.enrolled_password_handle,
&provided_password);
VerifyResponse response;
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
hw_auth_token_t *auth_token =
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get());
secure_id_t secure_id = auth_token->user_id;
// enroll new password
SizedBuffer password;
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
EnrollRequest enroll_request(0, NULL, &password, NULL);
gatekeeper.Enroll(enroll_request, &enroll_response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, enroll_response.error);
// verify new password
password.buffer.reset(new uint8_t[16]);
memset(password.buffer.get(), 1, 16);
password.length = 16;
VerifyRequest new_request(0, 0, &enroll_response.enrolled_password_handle,
&password);
gatekeeper.Verify(new_request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_NONE, response.error);
ASSERT_NE(secure_id,
reinterpret_cast<hw_auth_token_t *>(response.auth_token.buffer.get())->user_id);
}
TEST(GateKeeperTest, VerifyBogusData) {
SoftGateKeeper gatekeeper;
SizedBuffer provided_password;
SizedBuffer password_handle;
VerifyResponse response;
VerifyRequest request(0, 0, &provided_password, &password_handle);
gatekeeper.Verify(request, &response);
ASSERT_EQ(::gatekeeper::gatekeeper_error_t::ERROR_INVALID, response.error);
}