mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2024-12-31 18:26:20 -05:00
94 lines
2.0 KiB
C++
94 lines
2.0 KiB
C++
/*
|
|
* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
|
|
*
|
|
* This program 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, either version 2 or (at your option)
|
|
* version 3 of the License.
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#include "CryptoHash.h"
|
|
|
|
#include <gcrypt.h>
|
|
|
|
#include "crypto/Crypto.h"
|
|
|
|
class CryptoHashPrivate
|
|
{
|
|
public:
|
|
gcry_md_hd_t ctx;
|
|
int hashLen;
|
|
};
|
|
|
|
CryptoHash::CryptoHash(CryptoHash::Algorithm algo)
|
|
: d_ptr(new CryptoHashPrivate())
|
|
{
|
|
Q_D(CryptoHash);
|
|
|
|
Q_ASSERT(Crypto::initalized());
|
|
|
|
int algoGcrypt;
|
|
|
|
switch (algo) {
|
|
case CryptoHash::Sha256:
|
|
algoGcrypt = GCRY_MD_SHA256;
|
|
break;
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
gcry_error_t error = gcry_md_open(&d->ctx, algoGcrypt, 0);
|
|
Q_ASSERT(error == 0); // TODO error handling
|
|
|
|
d->hashLen = gcry_md_get_algo_dlen(algoGcrypt);
|
|
}
|
|
|
|
CryptoHash::~CryptoHash()
|
|
{
|
|
Q_D(CryptoHash);
|
|
|
|
gcry_md_close(d->ctx);
|
|
|
|
delete d_ptr;
|
|
}
|
|
|
|
void CryptoHash::addData(const QByteArray& data)
|
|
{
|
|
Q_D(CryptoHash);
|
|
|
|
gcry_md_write(d->ctx, data.constData(), data.size());
|
|
}
|
|
|
|
void CryptoHash::reset()
|
|
{
|
|
Q_D(CryptoHash);
|
|
|
|
gcry_md_reset(d->ctx);
|
|
}
|
|
|
|
QByteArray CryptoHash::result() const
|
|
{
|
|
Q_D(const CryptoHash);
|
|
|
|
const char* result = reinterpret_cast<const char*>(gcry_md_read(d->ctx, 0));
|
|
return QByteArray(result, d->hashLen);
|
|
}
|
|
|
|
QByteArray CryptoHash::hash(const QByteArray& data, CryptoHash::Algorithm algo)
|
|
{
|
|
// replace with gcry_md_hash_buffer()?
|
|
CryptoHash cryptoHash(algo);
|
|
cryptoHash.addData(data);
|
|
return cryptoHash.result();
|
|
}
|