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Use openssl's sha1 and sha256, optionally (#15472)

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DS 2024-12-10 22:00:43 +01:00 • committed by GitHub
parent 4f800dd2b4
commit bcbee873e8
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17 changed files with 141 additions and 43 deletions
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src/util/hashing.cpp Normal file
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// SPDX-FileCopyrightText: 2024 Luanti Contributors
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "hashing.h"
#include "debug.h"
#include "config.h"
#if USE_OPENSSL
#include <openssl/sha.h>
#include <openssl/evp.h>
#else
#include "util/sha1.h"
#include "my_sha256.h"
#endif
namespace hashing
{
std::string sha1(std::string_view data)
{
#if USE_OPENSSL
std::string digest(SHA1_DIGEST_SIZE, '\000');
auto src = reinterpret_cast<const uint8_t *>(data.data());
auto dst = reinterpret_cast<uint8_t *>(digest.data());
SHA1(src, data.size(), dst);
return digest;
#else
SHA1 sha1;
sha1.addBytes(data);
return sha1.getDigest();
#endif
}
std::string sha256(std::string_view data)
{
std::string digest(SHA256_DIGEST_SIZE, '\000');
auto src = reinterpret_cast<const uint8_t *>(data.data());
auto dst = reinterpret_cast<uint8_t *>(digest.data());
#if USE_OPENSSL
// can't call SHA256(), because it's defined by our sha256.c fallback
auto success = EVP_Digest(src, data.size(), dst, nullptr, EVP_sha256(), nullptr) == 1;
FATAL_ERROR_IF(!success, "sha256 failed");
#else
SHA256(src, data.size(), dst);
#endif
return digest;
}
}