5cc0d5ee60
Also removed unused include Bug: 37467707 Test: trivial Change-Id: Ie029462cb79d7aec28a37aac22f04ce73ebac8da
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
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* Copyright (C) 2016 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 "keystore"
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#include "keystore_utils.h"
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <cutils/log.h>
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#include <private/android_filesystem_config.h>
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#include <keystore/authorization_set.h>
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#include <keystore/keystore_client.h>
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#include <keystore/IKeystoreService.h>
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size_t readFully(int fd, uint8_t* data, size_t size) {
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size_t remaining = size;
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while (remaining > 0) {
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ssize_t n = TEMP_FAILURE_RETRY(read(fd, data, remaining));
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if (n <= 0) {
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return size - remaining;
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}
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data += n;
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remaining -= n;
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}
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return size;
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}
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size_t writeFully(int fd, uint8_t* data, size_t size) {
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size_t remaining = size;
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while (remaining > 0) {
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ssize_t n = TEMP_FAILURE_RETRY(write(fd, data, remaining));
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if (n < 0) {
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ALOGW("write failed: %s", strerror(errno));
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return size - remaining;
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}
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data += n;
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remaining -= n;
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}
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if (TEMP_FAILURE_RETRY(fsync(fd)) == -1) {
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ALOGW("fsync failed: %s", strerror(errno));
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return -1;
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}
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return size;
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}
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void add_legacy_key_authorizations(int keyType, keystore::AuthorizationSet* params) {
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using namespace keystore;
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params->push_back(TAG_PURPOSE, KeyPurpose::SIGN);
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params->push_back(TAG_PURPOSE, KeyPurpose::VERIFY);
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params->push_back(TAG_PURPOSE, KeyPurpose::ENCRYPT);
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params->push_back(TAG_PURPOSE, KeyPurpose::DECRYPT);
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params->push_back(TAG_PADDING, PaddingMode::NONE);
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if (keyType == EVP_PKEY_RSA) {
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params->push_back(TAG_PADDING, PaddingMode::RSA_PKCS1_1_5_SIGN);
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params->push_back(TAG_PADDING, PaddingMode::RSA_PKCS1_1_5_ENCRYPT);
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params->push_back(TAG_PADDING, PaddingMode::RSA_PSS);
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params->push_back(TAG_PADDING, PaddingMode::RSA_OAEP);
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}
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params->push_back(TAG_DIGEST, Digest::NONE);
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params->push_back(TAG_DIGEST, Digest::MD5);
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params->push_back(TAG_DIGEST, Digest::SHA1);
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params->push_back(TAG_DIGEST, Digest::SHA_2_224);
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params->push_back(TAG_DIGEST, Digest::SHA_2_256);
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params->push_back(TAG_DIGEST, Digest::SHA_2_384);
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params->push_back(TAG_DIGEST, Digest::SHA_2_512);
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params->push_back(TAG_ALL_USERS);
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params->push_back(TAG_NO_AUTH_REQUIRED);
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params->push_back(TAG_ORIGINATION_EXPIRE_DATETIME, LLONG_MAX);
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params->push_back(TAG_USAGE_EXPIRE_DATETIME, LLONG_MAX);
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params->push_back(TAG_ACTIVE_DATETIME, 0);
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}
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uid_t get_app_id(uid_t uid) {
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return uid % AID_USER;
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}
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uid_t get_user_id(uid_t uid) {
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return uid / AID_USER;
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}
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