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| //
// Creator: http://www.dicelocksecurity.com
// Version: vers.3.0.0.1
//
// Copyright © 2009-2010 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.
#ifndef SHA512_HPP
#define SHA512_HPP
#ifdef DICELOCKCIPHER_EXPORTS
#define CLASS_DECLSPEC __declspec(dllexport)
#else
#define CLASS_DECLSPEC __declspec(dllimport)
#endif
#include "baseHash.h"
#define SHA512_DIGESTBITS 512 // 512 hash bits
#define SHA512_DIGESTUCHARS 64 // 64 hash unsigned chars
#define SHA512_DIGESTUSHORTS 32 // 32 hash unsigned short ints
#define SHA512_DIGESTULONGS 16 // 16 hash unsigned long ints
#define SHA512_DIGESTULG64S 8 // 8 hash unsigned 64 bits
#define SHA512_DATABITS 1024 // 1024 block bits
#define SHA512_DATAUCHARS 128 // 128 block unsigned chars
#define SHA512_DATAUSHORTS 64 // 64 block unsigned longs ints
#define SHA512_DATAULONGS 32 // 32 block unsigned longs ints
#define SHA512_DATAULG64S 16 // 16 block unsigned 64 bits
#define SHA512_EQUATIONMODULO 896
#define SHA512_COMPUTECONSTANTS 80
#define SHA512_MESSAGESCHEDULE 80
#define SHA512_OPERATIONS 80
#define SHA512_ShiftRight(x, n) ((x)>>(n))
#define SHA512_SUM_0(x) (_rotr64(x, 28) ^ _rotr64(x, 34) ^ _rotr64(x, 39))
#define SHA512_SUM_1(x) (_rotr64(x, 14) ^ _rotr64(x, 18) ^ _rotr64(x, 41))
#define SHA512_SIG_0(x) (_rotr64(x, 1) ^ _rotr64(x, 8) ^ SHA512_ShiftRight(x, 7))
#define SHA512_SIG_1(x) (_rotr64(x, 19) ^ _rotr64(x, 61) ^ SHA512_ShiftRight(x, 6))
namespace DiceLockSecurity {
namespace Hash {
class Sha512 : public BaseHash {
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;
// Number of hash unsigned 64 bits
static const unsigned short int hash64s;
// Number of schedule words
static const unsigned short int scheduleNumber;
// Initial hash values of SHA512
static const unsigned __int64 initials[SHA512_DIGESTULONGS];
// Computational constant values of SHA512
static const unsigned __int64 constants[SHA512_COMPUTECONSTANTS];
// Message schedule words for SHA512
unsigned __int64 messageSchedule[SHA512_MESSAGESCHEDULE];
protected:
// Number of data bits to compute hash
static const unsigned short int dataHashBits;
// Number of data unsigned chars to compute hash
static const unsigned short int dataHashUCs;
// Number of data unsigned long integers to compute hash
static const unsigned short int dataHashULs;
// Number of data unsigned 64 bit to compute hash
static const unsigned short int dataHash64s;
// Equation modulo constant value
static const unsigned short int equationModulo;
// Array to store remaining bytes of intermediate hash operation
unsigned char remainingBytes[SHA512_DATAUCHARS];
unsigned long int remainingBytesLength;
// Total processed message length in bytes
unsigned __int64 messageBitLengthHigh;
unsigned __int64 messageBitLengthLow;
// Adds messaage length processed, if it is greater than unsigned long makes use
// of another unsigned long to store overflow
CLASS_DECLSPEC void AddMessageLength(unsigned long int);
// Gets the number of unsigned chars in the hash block to be hashed
CLASS_DECLSPEC unsigned short int GetDataHashUCs(void);
// Computes the chunk block of information
CLASS_DECLSPEC void Compress(BaseCryptoRandomStream*, unsigned char*);
public:
// Constructor, default
CLASS_DECLSPEC Sha512();
// Destructor
CLASS_DECLSPEC ~Sha512();
// Initializes common states of Sha1 algorithm
CLASS_DECLSPEC void Initialize(void);
// Adds the BaseCryptoRandomStream to the hash
CLASS_DECLSPEC void Add(BaseCryptoRandomStream*);
// Finalize the hash
CLASS_DECLSPEC void Finalize(void);
// Gets hash length in bits
CLASS_DECLSPEC unsigned short int GetBitHashLength(void);
// Gets hash length in unsigned chars
CLASS_DECLSPEC unsigned short int GetUCHashLength(void);
// Gets hash length in unsigned short ints
CLASS_DECLSPEC unsigned short int GetUSHashLength(void);
// Gets hash length in unsigned long ints
CLASS_DECLSPEC unsigned short int GetULHashLength(void);
// Gets hash length in unsigned 64 bits
CLASS_DECLSPEC unsigned short int Get64HashLength(void);
// Gets the type of the object
CLASS_DECLSPEC Hashes GetType(void);
};
}
}
#endif
|
HashDigester 3.0.0.1 
