| /* |
| * Copyright (C) 2012 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 <errno.h> |
| #include <string.h> |
| #include <stdint.h> |
| |
| #include <keymaster/softkeymaster.h> |
| |
| #include <keystore/keystore.h> |
| |
| #include <hardware/hardware.h> |
| #include <hardware/keymaster.h> |
| |
| #include <openssl/err.h> |
| |
| #include <UniquePtr.h> |
| |
| // For debugging |
| // #define LOG_NDEBUG 0 |
| |
| #define LOG_TAG "OpenSSLKeyMaster" |
| #include <cutils/log.h> |
| |
| typedef UniquePtr<keymaster_device_t> Unique_keymaster_device_t; |
| |
| /* Close an opened OpenSSL instance */ |
| static int openssl_close(hw_device_t* dev) { |
| delete dev; |
| return 0; |
| } |
| |
| /* |
| * Generic device handling |
| */ |
| static int openssl_open(const hw_module_t* module, const char* name, hw_device_t** device) { |
| if (strcmp(name, KEYSTORE_KEYMASTER) != 0) |
| return -EINVAL; |
| |
| Unique_keymaster_device_t dev(new keymaster_device_t); |
| if (dev.get() == NULL) |
| return -ENOMEM; |
| |
| dev->common.tag = HARDWARE_DEVICE_TAG; |
| dev->common.version = 1; |
| dev->common.module = (struct hw_module_t*)module; |
| dev->common.close = openssl_close; |
| |
| dev->flags = KEYMASTER_SOFTWARE_ONLY; |
| |
| dev->generate_keypair = openssl_generate_keypair; |
| dev->import_keypair = openssl_import_keypair; |
| dev->get_keypair_public = openssl_get_keypair_public; |
| dev->delete_keypair = NULL; |
| dev->delete_all = NULL; |
| dev->sign_data = openssl_sign_data; |
| dev->verify_data = openssl_verify_data; |
| |
| ERR_load_crypto_strings(); |
| ERR_load_BIO_strings(); |
| |
| *device = reinterpret_cast<hw_device_t*>(dev.release()); |
| |
| return 0; |
| } |
| |
| static struct hw_module_methods_t keystore_module_methods = { |
| .open = openssl_open, |
| }; |
| |
| struct keystore_module HAL_MODULE_INFO_SYM __attribute__((visibility("default"))) = { |
| .common = { |
| .tag = HARDWARE_MODULE_TAG, |
| .module_api_version = KEYMASTER_MODULE_API_VERSION_0_2, |
| .hal_api_version = HARDWARE_HAL_API_VERSION, |
| .id = KEYSTORE_HARDWARE_MODULE_ID, |
| .name = "Keymaster OpenSSL HAL", |
| .author = "The Android Open Source Project", |
| .methods = &keystore_module_methods, |
| .dso = 0, |
| .reserved = {}, |
| }, |
| }; |