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/*
* Copyright (c), Zeriph Enterprises
* All rights reserved.
*
* Contributor(s):
* Zechariah Perez, omni (at) zeriph (dot) com
*
* THIS SOFTWARE IS PROVIDED BY ZERIPH AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ZERIPH AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(OMNI_CRYPTO_SHA256_HPP)
#define OMNI_CRYPTO_SHA256_HPP 1
#include <omni/types/crypto_t.hpp>
#if defined(OMNI_SAFE_SHA256)
#include <omni/sync/basic_lock.hpp>
#endif
namespace omni {
namespace crypto {
class sha256
{
public:
sha256();
sha256(const omni::crypto::sha256& cp);
OMNI_EXPLICIT sha256(const std::string& hash);
sha256(const std::string& text, const omni::crypto::hash_type& type);
~sha256();
std::string hash_code() const;
void swap(omni::crypto::sha256& o);
omni::string_t to_string_t() const;
std::string to_string() const;
std::wstring to_wstring() const;
operator std::string() const { return this->to_string(); }
operator std::wstring() const { return this->to_wstring(); }
omni::crypto::sha256& operator=(const omni::crypto::sha256& other);
bool operator==(const omni::crypto::sha256& o) const;
bool operator!=(const omni::crypto::sha256& o) const;
OMNI_MEMBERS_FW(omni::crypto::sha256) // disposing,name,type(),hash()
OMNI_OSTREAM_FW(omni::crypto::sha256)
static std::string compute_hash(const std::string& text);
static std::string compute_file_hash(const std::string& file);
static std::string compute_binary_file_hash(const std::string& file);
private:
std::string m_hash;
#if defined(OMNI_SAFE_SHA256)
mutable omni::sync::basic_lock m_mtx;
#endif
void _compute(const std::string& text);
void _compute(const unsigned char* message, uint32_t len);
};
}
}
namespace std {
inline void swap(omni::crypto::sha256& o1, omni::crypto::sha256& o2)
{
o1.swap(o2);
}
}
#endif // OMNI_CRYPTO_SHA256_HPP