1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef KEYSTORE_KEYSTORE_UTILS_H_ 18 #define KEYSTORE_KEYSTORE_UTILS_H_ 19 20 #include <stdint.h> 21 22 #include <vector> 23 24 #include <openssl/evp.h> 25 #include <openssl/pem.h> 26 27 #include <hardware/keymaster_defs.h> 28 29 #include <UniquePtr.h> 30 31 size_t readFully(int fd, uint8_t* data, size_t size); 32 size_t writeFully(int fd, uint8_t* data, size_t size); 33 34 void add_legacy_key_authorizations(int keyType, std::vector<keymaster_key_param_t>* params); 35 36 /** 37 * Returns the app ID (in the Android multi-user sense) for the current 38 * UNIX UID. 39 */ 40 uid_t get_app_id(uid_t uid); 41 42 /** 43 * Returns the user ID (in the Android multi-user sense) for the current 44 * UNIX UID. 45 */ 46 uid_t get_user_id(uid_t uid); 47 48 struct EVP_PKEY_Delete { 49 void operator()(EVP_PKEY* p) const { EVP_PKEY_free(p); } 50 }; 51 typedef UniquePtr<EVP_PKEY, EVP_PKEY_Delete> Unique_EVP_PKEY; 52 53 struct PKCS8_PRIV_KEY_INFO_Delete { 54 void operator()(PKCS8_PRIV_KEY_INFO* p) const { PKCS8_PRIV_KEY_INFO_free(p); } 55 }; 56 typedef UniquePtr<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_Delete> Unique_PKCS8_PRIV_KEY_INFO; 57 58 #endif // KEYSTORE_KEYSTORE_UTILS_H_ 59
