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95750d4539
implement pbkdf-hmac-sha256 module for Botan and CommonCrypto. git-svn-id: http://encfs.googlecode.com/svn/trunk@98 db9cf616-1c43-0410-9cb8-a902689de0d6
94 lines
2.0 KiB
C++
94 lines
2.0 KiB
C++
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/*****************************************************************************
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* Author: Valient Gough <vgough@pobox.com>
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*
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*****************************************************************************
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* Copyright (c) 2013 Valient Gough
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cipher/CipherKey.h"
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#include "base/shared_ptr.h"
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#include "base/types.h"
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#include "cipher/MemoryPool.h"
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namespace encfs {
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CipherKey::CipherKey()
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: _valid(false)
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{
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}
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CipherKey::CipherKey(int length)
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: _valid(true)
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{
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if (length > 0)
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_mem.reset(new SecureMem(length));
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}
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CipherKey::CipherKey(const byte *data, int length)
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: _valid(true)
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{
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_mem.reset(new SecureMem(length));
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memcpy(_mem->data(), data, length);
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}
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CipherKey::CipherKey(const CipherKey& src)
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: _valid(src._valid),
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_mem(src._mem)
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{
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}
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CipherKey::~CipherKey()
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{
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}
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void CipherKey::operator = (const CipherKey& src)
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{
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_mem = src._mem;
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_valid = src._valid;
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}
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byte *CipherKey::data() const
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{
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return !_mem ? NULL : _mem->data();
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}
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int CipherKey::size() const
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{
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return !_mem ? 0 : _mem->size();
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}
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void CipherKey::reset()
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{
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_mem.reset();
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_valid = false;
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}
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bool CipherKey::valid() const
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{
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return _valid;
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}
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bool operator == (const CipherKey &a, const CipherKey &b) {
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if (a.size() != b.size())
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return false;
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return memcmp(a.data(), b.data(), a.size()) == 0;
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}
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} // namespace encfs
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