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.
68 lines
2.6 KiB
68 lines
2.6 KiB
/*
|
|
* Copyright 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 <keymaster/asymmetric_key_factory.h>
|
|
|
|
#include <keymaster/android_keymaster_utils.h>
|
|
|
|
#include <keymaster/km_openssl/asymmetric_key.h>
|
|
#include <keymaster/km_openssl/openssl_err.h>
|
|
#include <keymaster/km_openssl/openssl_utils.h>
|
|
|
|
namespace keymaster {
|
|
|
|
static const keymaster_key_format_t supported_import_formats[] = {KM_KEY_FORMAT_PKCS8};
|
|
const keymaster_key_format_t*
|
|
AsymmetricKeyFactory::SupportedImportFormats(size_t* format_count) const {
|
|
*format_count = array_length(supported_import_formats);
|
|
return supported_import_formats;
|
|
}
|
|
|
|
static const keymaster_key_format_t supported_export_formats[] = {KM_KEY_FORMAT_X509};
|
|
const keymaster_key_format_t*
|
|
AsymmetricKeyFactory::SupportedExportFormats(size_t* format_count) const {
|
|
*format_count = array_length(supported_export_formats);
|
|
return supported_export_formats;
|
|
}
|
|
|
|
keymaster_error_t AsymmetricKeyFactory::LoadKey(KeymasterKeyBlob&& key_material,
|
|
const AuthorizationSet& /* additional_params */,
|
|
AuthorizationSet&& hw_enforced,
|
|
AuthorizationSet&& sw_enforced,
|
|
UniquePtr<Key>* key) const {
|
|
UniquePtr<AsymmetricKey> asym_key;
|
|
keymaster_error_t error = CreateEmptyKey(move(hw_enforced), move(sw_enforced), &asym_key);
|
|
if (error != KM_ERROR_OK) return error;
|
|
|
|
const uint8_t* tmp = key_material.key_material;
|
|
asym_key->key_material() = move(key_material);
|
|
|
|
EVP_PKEY* pkey = d2i_PrivateKey(evp_key_type(), nullptr /* pkey */, &tmp,
|
|
asym_key->key_material().key_material_size);
|
|
if (!pkey) return TranslateLastOpenSslError();
|
|
UniquePtr<EVP_PKEY, EVP_PKEY_Delete> pkey_deleter(pkey);
|
|
|
|
if (!asym_key->EvpToInternal(pkey)) {
|
|
error = TranslateLastOpenSslError();
|
|
} else {
|
|
*key = std::move(asym_key);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
} // namespace keymaster
|