1b51722b4e2c31355971100c21628a9e881756c3abowgotsai/* 2b51722b4e2c31355971100c21628a9e881756c3abowgotsai * Copyright (C) 2016 The Android Open Source Project 3b51722b4e2c31355971100c21628a9e881756c3abowgotsai * 4b51722b4e2c31355971100c21628a9e881756c3abowgotsai * Licensed under the Apache License, Version 2.0 (the "License"); 5b51722b4e2c31355971100c21628a9e881756c3abowgotsai * you may not use this file except in compliance with the License. 6b51722b4e2c31355971100c21628a9e881756c3abowgotsai * You may obtain a copy of the License at 7b51722b4e2c31355971100c21628a9e881756c3abowgotsai * 8b51722b4e2c31355971100c21628a9e881756c3abowgotsai * http://www.apache.org/licenses/LICENSE-2.0 9b51722b4e2c31355971100c21628a9e881756c3abowgotsai * 10b51722b4e2c31355971100c21628a9e881756c3abowgotsai * Unless required by applicable law or agreed to in writing, software 11b51722b4e2c31355971100c21628a9e881756c3abowgotsai * distributed under the License is distributed on an "AS IS" BASIS, 12b51722b4e2c31355971100c21628a9e881756c3abowgotsai * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b51722b4e2c31355971100c21628a9e881756c3abowgotsai * See the License for the specific language governing permissions and 14b51722b4e2c31355971100c21628a9e881756c3abowgotsai * limitations under the License. 15b51722b4e2c31355971100c21628a9e881756c3abowgotsai */ 16b51722b4e2c31355971100c21628a9e881756c3abowgotsai 17b51722b4e2c31355971100c21628a9e881756c3abowgotsai#ifndef __CORE_FS_MGR_PRIV_SHA_H 18b51722b4e2c31355971100c21628a9e881756c3abowgotsai#define __CORE_FS_MGR_PRIV_SHA_H 19b51722b4e2c31355971100c21628a9e881756c3abowgotsai 20b51722b4e2c31355971100c21628a9e881756c3abowgotsai#include <openssl/sha.h> 21b51722b4e2c31355971100c21628a9e881756c3abowgotsai 224caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsaiclass SHA256Hasher { 2395c966a8599a069c40707c933c31155d625bd355Bowgo Tsai private: 24b51722b4e2c31355971100c21628a9e881756c3abowgotsai SHA256_CTX sha256_ctx; 25b51722b4e2c31355971100c21628a9e881756c3abowgotsai uint8_t hash[SHA256_DIGEST_LENGTH]; 26b51722b4e2c31355971100c21628a9e881756c3abowgotsai 2795c966a8599a069c40707c933c31155d625bd355Bowgo Tsai public: 28b51722b4e2c31355971100c21628a9e881756c3abowgotsai enum { DIGEST_SIZE = SHA256_DIGEST_LENGTH }; 29b51722b4e2c31355971100c21628a9e881756c3abowgotsai 304caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsai SHA256Hasher() { SHA256_Init(&sha256_ctx); } 31b51722b4e2c31355971100c21628a9e881756c3abowgotsai 3295c966a8599a069c40707c933c31155d625bd355Bowgo Tsai void update(const uint8_t* data, size_t data_size) { 3395c966a8599a069c40707c933c31155d625bd355Bowgo Tsai SHA256_Update(&sha256_ctx, data, data_size); 3495c966a8599a069c40707c933c31155d625bd355Bowgo Tsai } 35b51722b4e2c31355971100c21628a9e881756c3abowgotsai 364caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsai const uint8_t* finalize() { 37b51722b4e2c31355971100c21628a9e881756c3abowgotsai SHA256_Final(hash, &sha256_ctx); 38b51722b4e2c31355971100c21628a9e881756c3abowgotsai return hash; 39b51722b4e2c31355971100c21628a9e881756c3abowgotsai } 40b51722b4e2c31355971100c21628a9e881756c3abowgotsai}; 41b51722b4e2c31355971100c21628a9e881756c3abowgotsai 424caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsaiclass SHA512Hasher { 4395c966a8599a069c40707c933c31155d625bd355Bowgo Tsai private: 44b51722b4e2c31355971100c21628a9e881756c3abowgotsai SHA512_CTX sha512_ctx; 45b51722b4e2c31355971100c21628a9e881756c3abowgotsai uint8_t hash[SHA512_DIGEST_LENGTH]; 46b51722b4e2c31355971100c21628a9e881756c3abowgotsai 4795c966a8599a069c40707c933c31155d625bd355Bowgo Tsai public: 48b51722b4e2c31355971100c21628a9e881756c3abowgotsai enum { DIGEST_SIZE = SHA512_DIGEST_LENGTH }; 49b51722b4e2c31355971100c21628a9e881756c3abowgotsai 504caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsai SHA512Hasher() { SHA512_Init(&sha512_ctx); } 51b51722b4e2c31355971100c21628a9e881756c3abowgotsai 524caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsai void update(const uint8_t* data, size_t data_size) { 53b51722b4e2c31355971100c21628a9e881756c3abowgotsai SHA512_Update(&sha512_ctx, data, data_size); 54b51722b4e2c31355971100c21628a9e881756c3abowgotsai } 55b51722b4e2c31355971100c21628a9e881756c3abowgotsai 564caf4c03c12cff5d52bd9e8d2810be0b47e40f4bBowgo Tsai const uint8_t* finalize() { 57b51722b4e2c31355971100c21628a9e881756c3abowgotsai SHA512_Final(hash, &sha512_ctx); 58b51722b4e2c31355971100c21628a9e881756c3abowgotsai return hash; 59b51722b4e2c31355971100c21628a9e881756c3abowgotsai } 60b51722b4e2c31355971100c21628a9e881756c3abowgotsai}; 61b51722b4e2c31355971100c21628a9e881756c3abowgotsai 62b51722b4e2c31355971100c21628a9e881756c3abowgotsai#endif /* __CORE_FS_MGR_PRIV_SHA_H */ 63