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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <openssl/sha.h>
namespace android {
namespace fs_mgr {
class SHA256Hasher {
private:
SHA256_CTX sha256_ctx;
uint8_t hash[SHA256_DIGEST_LENGTH];
public:
enum { DIGEST_SIZE = SHA256_DIGEST_LENGTH };
SHA256Hasher() { SHA256_Init(&sha256_ctx); }
void update(const uint8_t* data, size_t data_size) {
SHA256_Update(&sha256_ctx, data, data_size);
}
const uint8_t* finalize() {
SHA256_Final(hash, &sha256_ctx);
return hash;
}
};
class SHA512Hasher {
private:
SHA512_CTX sha512_ctx;
uint8_t hash[SHA512_DIGEST_LENGTH];
public:
enum { DIGEST_SIZE = SHA512_DIGEST_LENGTH };
SHA512Hasher() { SHA512_Init(&sha512_ctx); }
void update(const uint8_t* data, size_t data_size) {
SHA512_Update(&sha512_ctx, data, data_size);
}
const uint8_t* finalize() {
SHA512_Final(hash, &sha512_ctx);
return hash;
}
};
} // namespace fs_mgr
} // namespace android
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