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/*
* Copyright (C) 2014 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 <hardware/hardware.h>
#include <hardware/keymaster0.h>
#include <trusty_keymaster/legacy/trusty_keymaster_device.h>
using keymaster::TrustyKeymasterDevice;
/*
* Generic device handling
*/
static int trusty_keymaster_open(const hw_module_t* module, const char* name,
hw_device_t** device) {
if (strcmp(name, KEYSTORE_KEYMASTER) != 0) {
return -EINVAL;
}
TrustyKeymasterDevice* dev = new TrustyKeymasterDevice(module);
if (dev == NULL) {
return -ENOMEM;
}
*device = dev->hw_device();
// Do not delete dev; it will get cleaned up when the caller calls device->close(), and must
// exist until then.
return 0;
}
static struct hw_module_methods_t keystore_module_methods = {
.open = trusty_keymaster_open,
};
struct keystore_module HAL_MODULE_INFO_SYM __attribute__((visibility("default"))) = {
.common =
{
.tag = HARDWARE_MODULE_TAG,
.module_api_version = KEYMASTER_MODULE_API_VERSION_2_0,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = KEYSTORE_HARDWARE_MODULE_ID,
.name = "Trusty Keymaster HAL",
.author = "The Android Open Source Project",
.methods = &keystore_module_methods,
.dso = 0,
.reserved = {},
},
};
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