You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
3.0 KiB
82 lines
3.0 KiB
/* Copyright 2017 The Android Open Source Project |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY |
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY |
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ |
|
|
|
#include "keystore_backend_binder.h" |
|
|
|
#include <binder/IServiceManager.h> |
|
#include <keystore/keystore.h> |
|
#include <keystore/IKeystoreService.h> |
|
#include <keystore/keystore_hidl_support.h> |
|
|
|
using namespace android; |
|
using keystore::blob2hidlVec; |
|
using keystore::hidl_vec; |
|
|
|
namespace { |
|
const char keystore_service_name[] = "android.security.keystore"; |
|
}; |
|
|
|
int32_t KeystoreBackendBinder::sign( |
|
const char *key_id, const uint8_t* in, size_t len, uint8_t** reply, |
|
size_t* reply_len) { |
|
sp<IServiceManager> sm = defaultServiceManager(); |
|
sp<IBinder> binder = sm->getService(String16(keystore_service_name)); |
|
sp<IKeystoreService> service = interface_cast<IKeystoreService>(binder); |
|
|
|
if (service == NULL) { |
|
ALOGE("could not contact keystore"); |
|
return -1; |
|
} |
|
|
|
auto inBlob = blob2hidlVec(in ,len); |
|
hidl_vec<uint8_t> reply_vec; |
|
auto ret = service->sign(String16(key_id), inBlob, &reply_vec); |
|
if (!ret.isOk()) { |
|
return -1; |
|
} |
|
|
|
*reply = reply_vec.releaseData(); |
|
*reply_len = reply_vec.size(); |
|
return 0; |
|
} |
|
|
|
int32_t KeystoreBackendBinder::get_pubkey( |
|
const char *key_id, uint8_t** pubkey, size_t* pubkey_len) { |
|
sp<IServiceManager> sm = defaultServiceManager(); |
|
sp<IBinder> binder = sm->getService(String16(keystore_service_name)); |
|
sp<IKeystoreService> service = interface_cast<IKeystoreService>(binder); |
|
|
|
if (service == NULL) { |
|
ALOGE("could not contact keystore"); |
|
return -1; |
|
} |
|
|
|
hidl_vec<uint8_t> pubkey_vec; |
|
auto ret = service->get_pubkey(String16(key_id), &pubkey_vec); |
|
if (!ret.isOk()) { |
|
return -1; |
|
} |
|
|
|
*pubkey = pubkey_vec.releaseData(); |
|
*pubkey_len = pubkey_vec.size(); |
|
return 0; |
|
}
|
|
|