encfs/cipher/CipherKey.cpp
Valient Gough b606ef122b cleanup warnings from cppcheck
git-svn-id: http://encfs.googlecode.com/svn/trunk@124 db9cf616-1c43-0410-9cb8-a902689de0d6
2013-10-21 05:38:54 +00:00

69 lines
2.0 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2013 Valient Gough
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cipher/CipherKey.h"
#include "base/shared_ptr.h"
#include "base/types.h"
#include "cipher/MemoryPool.h"
namespace encfs {
CipherKey::CipherKey() : _valid(false) {}
CipherKey::CipherKey(int length) : _valid(true) {
if (length > 0) _mem.reset(new SecureMem(length));
}
CipherKey::CipherKey(const byte *data, int length) : _valid(true) {
_mem.reset(new SecureMem(length));
memcpy(_mem->data(), data, length);
}
CipherKey::CipherKey(const CipherKey &src)
: _valid(src._valid), _mem(src._mem) {}
CipherKey::~CipherKey() {}
CipherKey &CipherKey::operator=(const CipherKey &src) {
_mem = src._mem;
_valid = src._valid;
return *this;
}
byte *CipherKey::data() const { return !_mem ? NULL : _mem->data(); }
int CipherKey::size() const { return !_mem ? 0 : _mem->size(); }
void CipherKey::reset() {
_mem.reset();
_valid = false;
}
bool CipherKey::valid() const { return _valid; }
bool operator==(const CipherKey &a, const CipherKey &b) {
if (a.size() != b.size()) return false;
return memcmp(a.data(), b.data(), a.size()) == 0;
}
} // namespace encfs