inspircd/modules/sha2.cpp
2024-07-17 00:06:50 +01:00

78 lines
2.3 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013, 2018-2022 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Fix a collision between the Haiku uint64 typedef and the
// one from the sha2 library.
#ifdef __HAIKU__
# define uint64 sha2_uint64
#endif
#include <sha2/sha2.c>
#ifdef __HAIKU__
# undef uint64
#endif
#include "inspircd.h"
#include "modules/hash.h"
template<void (*SHA)(const unsigned char*, unsigned int, unsigned char*)>
class HashSHA2 final
: public HashProvider
{
public:
HashSHA2(Module* parent, const std::string& Name, unsigned int osize, unsigned int bsize)
: HashProvider(parent, Name, osize, bsize)
{
}
std::string GenerateRaw(const std::string& data) override
{
std::vector<char> bytes(out_size);
SHA(reinterpret_cast<const unsigned char*>(data.data()), static_cast<unsigned int>(data.size()), reinterpret_cast<unsigned char*>(bytes.data()));
return std::string(bytes.data(), bytes.size());
}
};
class ModuleSHA2 final
: public Module
{
private:
HashSHA2<sha224> sha224algo;
HashSHA2<sha256> sha256algo;
HashSHA2<sha384> sha384algo;
HashSHA2<sha512> sha512algo;
public:
ModuleSHA2()
: Module(VF_VENDOR, "Allows other modules to generate SHA-2 hashes.")
, sha224algo(this, "sha224", SHA224_DIGEST_SIZE, SHA224_BLOCK_SIZE)
, sha256algo(this, "sha256", SHA256_DIGEST_SIZE, SHA256_BLOCK_SIZE)
, sha384algo(this, "sha384", SHA384_DIGEST_SIZE, SHA384_BLOCK_SIZE)
, sha512algo(this, "sha512", SHA512_DIGEST_SIZE, SHA512_BLOCK_SIZE)
{
}
};
MODULE_INIT(ModuleSHA2)