1c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden/* 2c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * Copyright (C) 2016 The Android Open Source Project 3c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * 4c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * Licensed under the Apache License, Version 2.0 (the "License"); 5c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * you may not use this file except in compliance with the License. 6c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * You may obtain a copy of the License at 7c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * 8c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * http://www.apache.org/licenses/LICENSE-2.0 9c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * 10c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * Unless required by applicable law or agreed to in writing, software 11c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * distributed under the License is distributed on an "AS IS" BASIS, 12c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * See the License for the specific language governing permissions and 14c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * limitations under the License. 15c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden */ 16c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 17c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#ifndef KEYSTORE_KEYSTORE_UTILS_H_ 18c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#define KEYSTORE_KEYSTORE_UTILS_H_ 19c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 20c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <stdint.h> 21c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 22c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <vector> 23c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 24c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <openssl/evp.h> 25c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <openssl/pem.h> 26c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 27c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <hardware/keymaster_defs.h> 28c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 29c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#include <UniquePtr.h> 30c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 31c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis#include <keystore/authorization_set.h> 32c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis 33c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis#include "blob.h" 34c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis 35c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdensize_t readFully(int fd, uint8_t* data, size_t size); 36c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdensize_t writeFully(int fd, uint8_t* data, size_t size); 37c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 38c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskisvoid add_legacy_key_authorizations(int keyType, keystore::AuthorizationSet* params); 39c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 40c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden/** 41c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * Returns the app ID (in the Android multi-user sense) for the current 42c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * UNIX UID. 43c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden */ 44c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdenuid_t get_app_id(uid_t uid); 45c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 46c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden/** 47c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * Returns the user ID (in the Android multi-user sense) for the current 48c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden * UNIX UID. 49c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden */ 50c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdenuid_t get_user_id(uid_t uid); 51c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 52c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdenstruct EVP_PKEY_Delete { 53c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden void operator()(EVP_PKEY* p) const { EVP_PKEY_free(p); } 54c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden}; 55c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdentypedef UniquePtr<EVP_PKEY, EVP_PKEY_Delete> Unique_EVP_PKEY; 56c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 57c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdenstruct PKCS8_PRIV_KEY_INFO_Delete { 58c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden void operator()(PKCS8_PRIV_KEY_INFO* p) const { PKCS8_PRIV_KEY_INFO_free(p); } 59c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden}; 60c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willdentypedef UniquePtr<PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_Delete> Unique_PKCS8_PRIV_KEY_INFO; 61c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden 62c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskisnamespace keystore { 63c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis 64c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskisinline static hidl_vec<uint8_t> blob2hidlVec(const Blob& blob) { 65c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis hidl_vec<uint8_t> result; 66c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis result.setToExternal(const_cast<uint8_t*>(blob.getValue()), blob.getLength()); 67c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis return result; 68c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis} 69c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis 70c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis} // namespace keystore 71c7a9fa29c185a8c1889486d4acf00fd59c513870Janis Danisevskis 72c1d1feee514e6138e1ed8ff924f5453ba8e1408aShawn Willden#endif // KEYSTORE_KEYSTORE_UTILS_H_ 73