611f090cd1
This is the first part of the update, adjusting keystore to use the KM4.1 interface, but not call any of the new methods. That will come in a subsequent CL. Test: CtsKeystoreTestCases Change-Id: Ib7486aad46c144471a1607eec31b8df1059a511d
87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "KeystoreOperation"
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#include "key_proto_handler.h"
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#include <android/os/DropBoxManager.h>
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#include <google/protobuf/message_lite.h>
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#include <keymasterV4_1/Keymaster.h>
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#include <keystore/keymaster_types.h>
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#include <utils/String16.h>
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#include <utils/StrongPointer.h>
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#include "key_config.pb.h"
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namespace keystore {
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void checkEnforcedCharacteristics(const hidl_vec<KeyParameter>& keyParams, KeyConfig* keyConfig) {
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for (auto& keyParam : keyParams) {
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switch (keyParam.tag) {
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case Tag::PURPOSE:
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keyConfig->add_purpose(toString(accessTagValue(TAG_PURPOSE, keyParam)));
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break;
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case Tag::ALGORITHM:
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keyConfig->set_algorithm(toString(accessTagValue(TAG_ALGORITHM, keyParam)));
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break;
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case Tag::KEY_SIZE:
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keyConfig->set_key_size(accessTagValue(TAG_KEY_SIZE, keyParam));
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break;
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case Tag::BLOCK_MODE:
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keyConfig->add_block_mode(toString(accessTagValue(TAG_BLOCK_MODE, keyParam)));
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break;
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case Tag::PADDING:
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keyConfig->add_padding(toString(accessTagValue(TAG_PADDING, keyParam)));
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break;
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case Tag::DIGEST:
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keyConfig->add_digest(toString(accessTagValue(TAG_DIGEST, keyParam)));
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break;
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case Tag::EC_CURVE:
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keyConfig->set_ec_curve(toString(accessTagValue(TAG_EC_CURVE, keyParam)));
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break;
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case Tag::AUTH_TIMEOUT:
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keyConfig->set_user_auth_key_timeout(accessTagValue(TAG_AUTH_TIMEOUT, keyParam));
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break;
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case Tag::ORIGIN:
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keyConfig->set_origin(toString(accessTagValue(TAG_ORIGIN, keyParam)));
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break;
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case Tag::BLOB_USAGE_REQUIREMENTS:
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keyConfig->set_key_blob_usage_reqs(
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toString(accessTagValue(TAG_BLOB_USAGE_REQUIREMENTS, keyParam)));
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break;
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case Tag::USER_AUTH_TYPE:
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keyConfig->set_user_auth_type(toString(accessTagValue(TAG_USER_AUTH_TYPE, keyParam)));
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break;
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default:
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break;
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}
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}
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}
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void uploadKeyCharacteristicsAsProto(const hidl_vec<KeyParameter>& keyParams,
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bool wasCreationSuccessful) {
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KeyConfig keyConfig;
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checkEnforcedCharacteristics(keyParams, &keyConfig);
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android::sp<android::os::DropBoxManager> dropbox(new android::os::DropBoxManager());
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keyConfig.set_was_creation_successful(wasCreationSuccessful);
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size_t size = keyConfig.ByteSize();
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auto data = std::make_unique<uint8_t[]>(size);
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keyConfig.SerializeWithCachedSizesToArray(data.get());
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dropbox->addData(android::String16("keymaster"), data.get(), size, 0);
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}
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} // namespace keystore
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