-rw-r--r-- | Android.mk | 20 | ||||
-rw-r--r-- | GKPModule.cpp (renamed from module.cpp) | 26 | ||||
-rw-r--r-- | soft/SoftGateKeeper.h | 182 | ||||
-rw-r--r-- | soft/SoftGateKeeperDevice.cpp (copied from trusty_gatekeeper.cpp) | 147 | ||||
-rw-r--r-- | soft/SoftGateKeeperDevice.h | 93 | ||||
-rw-r--r-- | trusty/gatekeeper_ipc.h (renamed from gatekeeper_ipc.h) | 0 | ||||
-rw-r--r-- | trusty/trusty_gatekeeper.cpp (renamed from trusty_gatekeeper.cpp) | 0 | ||||
-rw-r--r-- | trusty/trusty_gatekeeper.h (renamed from trusty_gatekeeper.h) | 0 | ||||
-rw-r--r-- | trusty/trusty_gatekeeper_ipc.c (renamed from trusty_gatekeeper_ipc.c) | 0 | ||||
-rw-r--r-- | trusty/trusty_gatekeeper_ipc.h (renamed from trusty_gatekeeper_ipc.h) | 0 |
10 files changed, 354 insertions, 114 deletions
diff --git a/soft/SoftGateKeeperDevice.h b/soft/SoftGateKeeperDevice.h new file mode 100644 index 0000000..ae71b8c --- a/dev/null +++ b/soft/SoftGateKeeperDevice.h @@ -0,0 +1,93 @@ +/* + * 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_DEVICE_H_ +#define SOFT_GATEKEEPER_DEVICE_H_ + +#include <hardware/gatekeeper.h> +#include "SoftGateKeeper.h" + +#include <UniquePtr.h> + +using namespace gatekeeper; + +namespace android { + +/** + * Software based GateKeeper implementation + */ +class SoftGateKeeperDevice { +public: + SoftGateKeeperDevice(const hw_module_t *module); + ~SoftGateKeeperDevice(); + + hw_device_t* sw_device(); + + // Wrappers to translate the gatekeeper HAL API to the Kegyuard Messages API. + + /** + * Enrolls password_payload, which should be derived from a user selected pin or password, + * with the authentication factor private key used only for enrolling authentication + * factor data. + * + * Returns: 0 on success or an error code less than 0 on error. + * On error, enrolled_password_handle will not be allocated. + */ + 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, + uint8_t **enrolled_password_handle, uint32_t *enrolled_password_handle_length); + + /** + * Verifies provided_password matches enrolled_password_handle. + * + * Implementations of this module may retain the result of this call + * to attest to the recency of authentication. + * + * On success, writes the address of a verification token to auth_token, + * usable to attest password verification to other trusted services. Clients + * may pass NULL for this value. + * + * Returns: 0 on success or an error code less than 0 on error + * On error, verification token will not be allocated + */ + 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, bool *request_reenroll); + + static int enroll(const struct gatekeeper_device *dev, 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, + uint8_t **enrolled_password_handle, uint32_t *enrolled_password_handle_length); + + static int verify(const struct gatekeeper_device *dev, 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, bool *request_reenroll); + + static int close_device(hw_device_t* dev); + + gatekeeper_device deviceSoft; +private: + UniquePtr<SoftGateKeeper> implSoft; +}; + +} // namespace gatekeeper + +#endif //SOFT_GATEKEEPER_DEVICE_H_ |