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arrow XDiceLock 8.0.0.1 arrow ripemd160.cpp
ripemd160.cpp (Ripemd 160 hash digest algorithm C++ source code file) Print E-mail
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//
//  ripemd160.cpp
//  XDiceLock
//
//  Created by DiceLock on 1/4/12.
//  Copyright (c) 2009-2012 DiceLock Security, LLC. All rights reserved.
//
 
//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.8.0.0.1
//
// Copyright (c) 2009-2012 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.
// 
 
#include "ripemd160.h"
 
 
namespace DiceLockSecurity {
  
    namespace Hash {
        
        // Hash Algorithms Class enumerator name
        const Hashes Ripemd160::hashName = RIPEMD_160;
        
        // Number of hash bits
        const unsigned short int Ripemd160::hashBits = 160;
        // Number of hash unsigned chars
        const unsigned short int Ripemd160::hashUCs = 20;
        // Number of hash unsigned short ints
        const unsigned short int Ripemd160::hashUSs = 10;
        // Number of hash unsigned ints
        const unsigned short int Ripemd160::hashULs = 5;
        
        // Constructor
        Ripemd160::Ripemd160() {
        }
        
        // Destructor
        Ripemd160::~Ripemd160() {
        }
        
        // Computes the 64 byte chunk of stream information 
        void Ripemd160::Compress(unsigned int* stream) {
            unsigned int a1 = this->messageDigest->GetULPosition(0), a2 = this->messageDigest->GetULPosition(0);
            unsigned int b1 = this->messageDigest->GetULPosition(1), b2 = this->messageDigest->GetULPosition(1);
            unsigned int c1 = this->messageDigest->GetULPosition(2), c2 = this->messageDigest->GetULPosition(2);
            unsigned int d1 = this->messageDigest->GetULPosition(3), d2 = this->messageDigest->GetULPosition(3);
            unsigned int e1 = this->messageDigest->GetULPosition(4), e2 = this->messageDigest->GetULPosition(4);
            unsigned int temp;
            Transform_F0(&a1, &b1, &c1, &d1, &e1, stream);
            Transform_G1(&a1, &b1, &c1, &d1, &e1, stream);
            Transform_H2(&a1, &b1, &c1, &d1, &e1, stream);
            Transform_I3(&a1, &b1, &c1, &d1, &e1, stream);
            Transform_J4(&a1, &b1, &c1, &d1, &e1, stream);
            Transform_J5(&a2, &b2, &c2, &d2, &e2, stream);
            Transform_I6(&a2, &b2, &c2, &d2, &e2, stream);
            Transform_H7(&a2, &b2, &c2, &d2, &e2, stream);
            Transform_G8(&a2, &b2, &c2, &d2, &e2, stream);
            Transform_F9(&a2, &b2, &c2, &d2, &e2, stream);
            temp = this->messageDigest->GetULPosition(1) + d2 +c1;
            this->messageDigest->SetULPosition(1, this->messageDigest->GetULPosition(2) + e2 + d1);
            this->messageDigest->SetULPosition(2, this->messageDigest->GetULPosition(3) + a2 + e1);
            this->messageDigest->SetULPosition(3, this->messageDigest->GetULPosition(4) + b2 + a1);
            this->messageDigest->SetULPosition(4, this->messageDigest->GetULPosition(0) + c2 + b1);
            this->messageDigest->SetULPosition(0, temp);
        }
        
        // Gets hash length in bits
        unsigned short int Ripemd160::GetBitHashLength(void) {
            
            return this->hashBits;
        }
        
        // Gets hash length in unsigned chars
        unsigned short int Ripemd160::GetUCHashLength(void) {
            
            return this->hashUCs;
        }
        
        // Gets hash length in unsigned short ints
        unsigned short int Ripemd160::GetUSHashLength(void) {
            
            return this->hashUSs;
        }
        
        // Gets hash length in unsigned ints
        unsigned short int Ripemd160::GetULHashLength(void) {
            
            return this->hashULs;
        }
        
        // Gets the type of the object
        Hashes Ripemd160::GetType(void) {
            
            return this->hashName;
        }
    }
}