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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 SHA512_HPP
#define SHA512_HPP
#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_BLOCKBITS 1024 // 1024 block bits
#define SHA512_BLOCKUCHARS 128 // 128 block unsigned chars
#define SHA512_BLOCKUSHORTS 64 // 64 block unsigned longs ints
#define SHA512_BLOCKULONGS 32 // 32 block unsigned longs ints
#define SHA512_BLOCKULG64S 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 rotr64(x, n) (((x) >> n) | ((x) << (64 - 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 long long int initials[SHA512_DIGESTULONGS];
// Computational constant values of SHA512
static const unsigned long long int constants[SHA512_COMPUTECONSTANTS];
// Message schedule words for SHA512
unsigned long long int messageSchedule[SHA512_MESSAGESCHEDULE];
protected:
// Number of block bits to compute hash
static const unsigned short int hashBlockBits;
// Number of block unsigned chars to compute hash
static const unsigned short int hashBlockUCs;
// Number of block unsigned short ints to compute hash
static const unsigned short int hashBlockUSs;
// Number of block unsigned long ints to compute hash
static const unsigned short int hashBlockULs;
// Number of block unsigned 64 bit to compute hash
static const unsigned short int hashBlock64s;
// Equation modulo constant value
static const unsigned short int equationModulo;
// Array to store remaining bytes of intermediate hash operation
unsigned char remainingBytes[SHA512_BLOCKUCHARS];
unsigned long int remainingBytesLength;
// Total processed message length in bytes
unsigned long long int messageBitLengthHigh;
unsigned long long int messageBitLengthLow;
// Adds messaage length processed, if it is greater than unsigned long makes use
// of another unsigned long to store overflow
void AddMessageLength(unsigned long int);
// Computes the chunk block of information
void Compress(BaseCryptoRandomStream*, unsigned char*);
// Swap bytes for little endian
void SwapLittleEndian(void);
public:
// Constructor, default
Sha512();
// Destructor
~Sha512();
// 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 hash length in unsigned 64 bits
unsigned short int Get64HashLength(void);
// Gets the number of bits in the hash block to be hashed
unsigned short int GetBitHashBlockLength(void);
// Gets the number of unsigned chars in the hash block to be hashed
unsigned short int GetUCHashBlockLength(void);
// Gets the number of unsigned short ints in the hash block to be hashed
unsigned short int GetUSHashBlockLength(void);
// Gets the number of unsigned long ints in the hash block to be hashed
unsigned short int GetULHashBlockLength(void);
// Gets the type of the object
Hashes GetType(void);
};
}
}
#endif
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HashDigester-x 5.0.0.1 
