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| //
// Creator: http://www.dicelocksecurity.com
// Version: vers.5.0.0.1
//
// Copyright 2009-2011 DiceLock Security, LLC. All rights reserved.
//
// DISCLAIMER
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED 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 THE
// REGENTS OR 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.
//
// DICELOCK IS A REGISTERED TRADEMARK OR TRADEMARK OF THE OWNERS.
//
#ifndef SHA224_HPP
#define SHA224_HPP
#include <stdlib.h>
#include "sha256.h"
#include "defaultCryptoRandomStream.h"
#define SHA224_DIGESTBITS 224 // 224 hash bits
#define SHA224_DIGESTUCHARS 28 // 28 hash unsigned chars
#define SHA224_DIGESTUSHORTS 14 // 14 hash unsigned short ints
#define SHA224_DIGESTULONGS 7 // 7 hash unsigned long ints
namespace DiceLockSecurity {
namespace Hash {
class Sha224 : public Sha256 {
private:
/// Hash Algorithms Class enumerator name
static const Hashes hashName;
/// Number of hash bits
static const unsigned short int hashBits;
/// Number of hash unsigned chars
static const unsigned short int hashUCs;
/// Number of hash unsigned short ints
static const unsigned short int hashUSs;
/// Number of hash unsigned long ints
static const unsigned short int hashULs;
/// Initial hash values of SHA256
static const unsigned long int initials[SHA256_DIGESTULONGS];
/// Pointer to BaseCryptoRandomStream digest for SHA 256 hash algorithm
BaseCryptoRandomStream* workingDigest256;
/// Boolean pointing if meesaageDigest for SHA 256 has been created automatically
bool autoWorkingDigest;
public:
/// Constructor, default
Sha224();
/// Destructor
~Sha224();
/// Set the Working Digest BaseCryptoRandomStream for underlaying SHA256 algorithm
void SetWorkingDigest(BaseCryptoRandomStream*);
/// Get the Working Digest BaseCryptoRandomStream for underlaying SHA256 algorithm length in bits
unsigned short int GetWorkingDigestBitLength(void);
/// Get the Working Digest BaseCryptoRandomStream for underlaying SHA256 algorithm length in unsigned chars
unsigned short int GetWorkingDigestUCLength(void);
/// Get the Working Digest BaseCryptoRandomStream for underlaying SHA256 algorithm length in unsigned short ints
unsigned short int GetWorkingDigestUSLength(void);
/// Get the Working Digest BaseCryptoRandomStream for underlaying SHA256 algorithm length in unsigned long ints
unsigned short int GetWorkingDigestULLength(void);
/// Initializes common states of Sha1 algorithm
void Initialize(void);
/// Adds the BaseCryptoRandomStream to the hash
void Add(BaseCryptoRandomStream*);
/// Finalize the hash
void Finalize(void);
/// Gets hash length in bits
unsigned short int GetBitHashLength(void);
/// Gets hash length in unsigned chars
unsigned short int GetUCHashLength(void);
/// Gets hash length in unsigned short ints
unsigned short int GetUSHashLength(void);
/// Gets hash length in unsigned long ints
unsigned short int GetULHashLength(void);
/// Gets the type of the object
Hashes GetType(void);
};
}
}
#endif
|
