面对des中的问题 [英] facing prob in des ...
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问题描述
我已经解决了这个问题并且难以执行
i ve wriiten this and facing problem to execute
1>e:\des\des.cpp(4) : fatal error C1083: Cannot open include file: 'iostream.h': No such file or directory
1>MAIN.cpp
1>e:\des\main.cpp(4) : fatal error C1083: Cannot open include file: 'fstream.h': No such file or directory
1>Generating Code...
此错误即将来临...
我的狙击代码是....
this error is comming...
my snipe code is ....
// DES.cpp: implementation of the CDES class.
//
//////////////////////////////////////////////////////////////////////
#include <iostream.h>
#include <string.h>
#include <stdlib.h>
#include "DES.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CDES::CDES(char* data, char* key)
{
strcpy(this->data,data);
this->data[strlen(this->data)] = '\0';
strcpy(this->Compkey,key);
this->Compkey[strlen(this->Compkey)] = '\0';
cout << endl << "DATA:";
print(this->data,DATA_LENGTH);
cout << endl << "KEY:";
print(this->Compkey,KEY_TOTAL_LENGTH);
FillAllS();
// SampleKeys();
}
CDES::~CDES()
{
}
char* CDES::Encrypt()
{
// Calculate Keys
GenKeys();
// Begin Encryption
#ifdef SDES
char *ip = DataIP(); // Initial Permutation on Input bits
#else
char *ip = DataIP_DES();
#endif
cout << endl << "Initial Permutation";
print(ip,DATA_LENGTH);
char *loopData = ip;
char *FKr;
for (int i = 1 ; i <= NO_OF_KEYS ; i++)
{
FKr = FKFunction(loopData,i);
cout << endl << "FK" << i << " Result";
print(FKr,DATA_LENGTH);
if (i != NO_OF_KEYS)
{
loopData = Switch(FKr);
cout << endl << "Switch Result";
print(loopData,DATA_LENGTH);
}
else
{
loopData = FKr;
}
}
char *IPinv = IPInverse(loopData);
cout << endl << "IP Inverse";
print(IPinv,DATA_LENGTH);
return IPinv;
}
char* CDES::keyIPermutation()
{
#ifdef SDES
char *keyP = new char[KEY_TOTAL_LENGTH];
keyP[0] = Compkey[3-1];
keyP[1] = Compkey[5-1];
keyP[2] = Compkey[2-1];
keyP[3] = Compkey[7-1];
keyP[4] = Compkey[4-1];
keyP[5] = Compkey[10-1];
keyP[6] = Compkey[1-1];
keyP[7] = Compkey[9-1];
keyP[8] = Compkey[8-1];
keyP[9] = Compkey[6-1];
#else
char *keyP = new char[KEY_USED_BITS];
keyP[0] = Compkey[57-1];
keyP[1] = Compkey[49-1];
keyP[2] = Compkey[41-1];
keyP[3] = Compkey[33-1];
keyP[4] = Compkey[25-1];
keyP[5] = Compkey[17-1];
keyP[6] = Compkey[9-1];
keyP[7] = Compkey[1-1];
keyP[8] = Compkey[58-1];
keyP[9] = Compkey[50-1];
keyP[10] = Compkey[42-1];
keyP[11] = Compkey[34-1];
keyP[12] = Compkey[26-1];
keyP[13] = Compkey[18-1];
keyP[14] = Compkey[10-1];
keyP[15] = Compkey[2-1];
keyP[16] = Compkey[59-1];
keyP[17] = Compkey[51-1];
keyP[18] = Compkey[43-1];
keyP[19] = Compkey[35-1];
keyP[20] = Compkey[27-1];
keyP[21] = Compkey[19-1];
keyP[22] = Compkey[11-1];
keyP[23] = Compkey[3-1];
keyP[24] = Compkey[60-1];
keyP[25] = Compkey[52-1];
keyP[26] = Compkey[44-1];
keyP[27] = Compkey[63-1];
keyP[28] = Compkey[63-1];
keyP[29] = Compkey[55-1];
keyP[30] = Compkey[47-1];
keyP[31] = Compkey[39-1];
keyP[32] = Compkey[31-1];
keyP[33] = Compkey[23-1];
keyP[34] = Compkey[15-1];
keyP[35] = Compkey[7-1];
keyP[36] = Compkey[62-1];
keyP[37] = Compkey[54-1];
keyP[38] = Compkey[46-1];
keyP[39] = Compkey[38-1];
keyP[40] = Compkey[30-1];
keyP[41] = Compkey[22-1];
keyP[42] = Compkey[14-1];
keyP[43] = Compkey[6-1];
keyP[44] = Compkey[61-1];
keyP[45] = Compkey[53-1];
keyP[46] = Compkey[45-1];
keyP[47] = Compkey[37-1];
keyP[48] = Compkey[29-1];
keyP[49] = Compkey[21-1];
keyP[50] = Compkey[13-1];
keyP[51] = Compkey[5-1];
keyP[52] = Compkey[28-1];
keyP[53] = Compkey[20-1];
keyP[54] = Compkey[12-1];
keyP[55] = Compkey[4-1];
#endif
return keyP;
}
char* CDES::LeftShift(char *keyPF, char LorR, int bits)
{
char *sbits = new char[KEY_USED_BITS/2];
int i,k;
if (LorR == 'L') // shift left bits
{
for (i = 0,k = 0 ; i < (KEY_USED_BITS/2) ; i++,k++)
{
sbits[i] = keyPF[k];
}
}
else if (LorR == 'R') // shift right bits
{
for (i = 0,k = (KEY_USED_BITS/2) ; i < (KEY_USED_BITS/2) ; i++,k++)
{
sbits[i] = keyPF[k];
}
}
char temb;
// Shift the Bits
for (i = 1 ; i <= bits ; i++)
{
temb = sbits[(KEY_USED_BITS/2)-1];
for (int k = 0 ; k < (KEY_USED_BITS/2) ; k++)
{
if ((KEY_USED_BITS/2)-1 == k)
sbits[(k+((KEY_USED_BITS/2)-1)) % (KEY_USED_BITS/2)] = temb;
else
sbits[(k+((KEY_USED_BITS/2)-1)) % (KEY_USED_BITS/2)] = sbits[k];
}
}
return sbits;
}
char* CDES::JoinShifted(char *Lbits, char *Rbits)
{
char *key1 = new char[KEY_USED_BITS];
int i,j;
for (i = 0 ; i < (KEY_USED_BITS/2) ; i++)
{
key1[i] = Lbits[i];
}
for (i = (KEY_USED_BITS/2),j = 0 ; j < (KEY_USED_BITS/2) ; i++,j++)
{
key1[i] = Rbits[j];
}
return key1;
}
void CDES::keyPermutationA(char *keyJoined,int k)
{
#ifdef SDES
key[k-1][0] = keyJoined[6-1];
key[k-1][1] = keyJoined[3-1];
key[k-1][2] = keyJoined[7-1];
key[k-1][3] = keyJoined[4-1];
key[k-1][4] = keyJoined[8-1];
key[k-1][5] = keyJoined[5-1];
key[k-1][6] = keyJoined[10-1];
key[k-1][7] = keyJoined[9-1];
#else
key[k-1][0] = keyJoined[14-1];
key[k-1][1] = keyJoined[17-1];
key[k-1][2] = keyJoined[11-1];
key[k-1][3] = keyJoined[24-1];
key[k-1][4] = keyJoined[1-1];
key[k-1][5] = keyJoined[5-1];
key[k-1][6] = keyJoined[3-1];
key[k-1][7] = keyJoined[28-1];
key[k-1][8] = keyJoined[15-1];
key[k-1][9] = keyJoined[6-1];
key[k-1][10] = keyJoined[21-1];
key[k-1][11] = keyJoined[10-1];
key[k-1][12] = keyJoined[23-1];
key[k-1][13] = keyJoined[19-1];
key[k-1][14] = keyJoined[12-1];
key[k-1][15] = keyJoined[4-1];
key[k-1][16] = keyJoined[26-1];
key[k-1][17] = keyJoined[8-1];
key[k-1][18] = keyJoined[16-1];
key[k-1][19] = keyJoined[7-1];
key[k-1][20] = keyJoined[27-1];
key[k-1][21] = keyJoined[20-1];
key[k-1][22] = keyJoined[13-1];
key[k-1][23] = keyJoined[2-1];
key[k-1][24] = keyJoined[41-1];
key[k-1][25] = keyJoined[52-1];
key[k-1][26] = keyJoined[31-1];
key[k-1][27] = keyJoined[37-1];
key[k-1][28] = keyJoined[47-1];
key[k-1][29] = keyJoined[55-1];
key[k-1][30] = keyJoined[30-1];
key[k-1][31] = keyJoined[40-1];
key[k-1][32] = keyJoined[51-1];
key[k-1][33] = keyJoined[45-1];
key[k-1][34] = keyJoined[33-1];
key[k-1][35] = keyJoined[48-1];
key[k-1][36] = keyJoined[44-1];
key[k-1][37] = keyJoined[49-1];
key[k-1][38] = keyJoined[39-1];
key[k-1][39] = keyJoined[56-1];
key[k-1][40] = keyJoined[34-1];
key[k-1][41] = keyJoined[53-1];
key[k-1][42] = keyJoined[46-1];
key[k-1][43] = keyJoined[42-1];
key[k-1][44] = keyJoined[50-1];
key[k-1][45] = keyJoined[36-1];
key[k-1][46] = keyJoined[29-1];
key[k-1][47] = keyJoined[32-1];
#endif
}
char* CDES::DataIP()
{
char *dataIP = new char[DATA_LENGTH];
dataIP[0] = data[2-1];
dataIP[1] = data[6-1];
dataIP[2] = data[3-1];
dataIP[3] = data[1-1];
dataIP[4] = data[4-1];
dataIP[5] = data[8-1];
dataIP[6] = data[5-1];
dataIP[7] = data[7-1];
return dataIP;
}
char* CDES::DataIP_DES()
{
char *dataIP = new char[DATA_LENGTH];
dataIP[0] = data[58-1];
dataIP[1] = data[50-1];
dataIP[2] = data[42-1];
dataIP[3] = data[34-1];
dataIP[4] = data[26-1];
dataIP[5] = data[18-1];
dataIP[6] = data[10-1];
dataIP[7] = data[2-1];
dataIP[8] = data[60-1];
dataIP[9] = data[52-1];
dataIP[10] = data[44-1];
dataIP[11] = data[36-1];
dataIP[12] = data[28-1];
dataIP[13] = data[20-1];
dataIP[14] = data[12-1];
dataIP[15] = data[4-1];
dataIP[16] = data[62-1];
dataIP[17] = data[54-1];
dataIP[18] = data[46-1];
dataIP[19] = data[38-1];
dataIP[20] = data[30-1];
dataIP[21] = data[22-1];
dataIP[22] = data[14-1];
dataIP[23] = data[6-1];
dataIP[24] = data[64-1];
dataIP[25] = data[56-1];
dataIP[26] = data[48-1];
dataIP[27] = data[40-1];
dataIP[28] = data[32-1];
dataIP[29] = data[24-1];
dataIP[30] = data[16-1];
dataIP[31] = data[8-1];
dataIP[32] = data[57-1];
dataIP[33] = data[49-1];
dataIP[34] = data[41-1];
dataIP[35] = data[33-1];
dataIP[36] = data[25-1];
dataIP[37] = data[17-1];
dataIP[38] = data[9-1];
dataIP[39] = data[1-1];
dataIP[40] = data[59-1];
dataIP[41] = data[51-1];
dataIP[42] = data[43-1];
dataIP[43] = data[35-1];
dataIP[44] = data[27-1];
dataIP[45] = data[19-1];
dataIP[46] = data[11-1];
dataIP[47] = data[3-1];
dataIP[48] = data[61-1];
dataIP[49] = data[53-1];
dataIP[50] = data[45-1];
dataIP[51] = data[37-1];
dataIP[52] = data[29-1];
dataIP[53] = data[21-1];
dataIP[54] = data[13-1];
dataIP[55] = data[5-1];
dataIP[56] = data[63-1];
dataIP[57] = data[55-1];
dataIP[58] = data[47-1];
dataIP[59] = data[39-1];
dataIP[60] = data[31-1];
dataIP[61] = data[23-1];
dataIP[62] = data[15-1];
dataIP[63] = data[7-1];
return dataIP;
}
char* CDES::ExtendedPermutation(char *right)
{
char* ep = new char[KEY_P_LENGTH];
int i = DATA_LENGTH/2;
#ifdef SDES
ep[0] = right[i+4-1];
ep[1] = right[i+1-1];
ep[2] = right[i+2-1];
ep[3] = right[i+3-1];
ep[4] = right[i+2-1];
ep[5] = right[i+3-1];
ep[6] = right[i+4-1];
ep[7] = right[i+1-1];
#else
ep[0] = right[i+32-1];
ep[1] = right[i+1-1];
ep[2] = right[i+2-1];
ep[3] = right[i+3-1];
ep[4] = right[i+4-1];
ep[5] = right[i+5-1];
ep[6] = right[i+4-1];
ep[7] = right[i+5-1];
ep[8] = right[i+6-1];
ep[9] = right[i+7-1];
ep[10] = right[i+8-1];
ep[11] = right[i+9-1];
ep[12] = right[i+8-1];
ep[13] = right[i+9-1];
ep[14] = right[i+10-1];
ep[15] = right[i+11-1];
ep[16] = right[i+12-1];
ep[17] = right[i+13-1];
ep[18] = right[i+12-1];
ep[19] = right[i+13-1];
ep[20] = right[i+14-1];
ep[21] = right[i+15-1];
ep[22] = right[i+16-1];
ep[23] = right[i+17-1];
ep[24] = right[i+16-1];
ep[25] = right[i+17-1];
ep[26] = right[i+18-1];
ep[27] = right[i+19-1];
ep[28] = right[i+20-1];
ep[29] = right[i+21-1];
ep[30] = right[i+20-1];
ep[31] = right[i+21-1];
ep[32] = right[i+22-1];
ep[33] = right[i+23-1];
ep[34] = right[i+24-1];
ep[35] = right[i+25-1];
ep[36] = right[i+24-1];
ep[37] = right[i+25-1];
ep[38] = right[i+26-1];
ep[39] = right[i+27-1];
ep[40] = right[i+28-1];
ep[41] = right[i+29-1];
ep[42] = right[i+28-1];
ep[43] = right[i+29-1];
ep[44] = right[i+30-1];
ep[45] = right[i+31-1];
ep[46] = right[i+32-1];
ep[47] = right[i+1-1];
#endif
return ep;
}
char* CDES::XORwithKey(char *b, int k)
{
char *result = new char[DATA_LENGTH];
int i;
for (i = 0 ; i < DATA_LENGTH ; i++)
{
result[i] = XOR(b[i],key[k-1][i]);
}
return result;
}
char CDES::XOR(char a, char b)
{
if (a == b)
return '0';
else
return '1';
}
void CDES::FillS0_SDES()
{
S[0][0][0] = 1;
S[0][0][1] = 0;
S[0][0][2] = 3;
S[0][0][3] = 2;
S[0][1][0] = 3;
S[0][1][1] = 2;
S[0][1][2] = 1;
S[0][1][3] = 0;
S[0][2][0] = 0;
S[0][2][1] = 2;
S[0][2][2] = 1;
S[0][2][3] = 3;
S[0][3][0] = 3;
S[0][3][1] = 1;
S[0][3][2] = 3;
S[0][3][3] = 2;
}
void CDES::FillS1_SDES()
{
S[1][0][0] = 0;
S[1][0][1] = 1;
S[1][0][2] = 2;
S[1][0][3] = 3;
S[1][1][0] = 2;
S[1][1][1] = 0;
S[1][1][2] = 1;
S[1][1][3] = 3;
S[1][2][0] = 3;
S[1][2][1] = 0;
S[1][2][2] = 1;
S[1][2][3] = 0;
S[1][3][0] = 2;
S[1][3][1] = 1;
S[1][3][2] = 0;
S[1][3][3] = 3;
}
char* CDES::GetSValue(char *b, int s)
{
char ra,rb,ca,cb;
char* svalue;
#ifdef SDES
if (s == 0) // value from S0
{
ra = b[1-1];
rb = b[4-1];
ca = b[2-1];
cb = b[3-1];
}
else if (s == 1) // value from S1
{
ra = b[5-1];
rb = b[8-1];
ca = b[6-1];
cb = b[7-1];
}
svalue = Bin2bit(GetValue(Dec2bit(ra,rb),Dec2bit(ca,cb),s));
#else
char cc,cd;
if (s == 0)
{
ra = b[1-1];
rb = b[6-1];
ca = b[2-1];
cb = b[3-1];
cc = b[4-1];
cd = b[5-1];
}
else if (s == 1)
{
ra = b[7-1];
rb = b[12-1];
ca = b[8-1];
cb = b[9-1];
cc = b[10-1];
cd = b[11-1];
}
else if (s == 2)
{
ra = b[13-1];
rb = b[18-1];
ca = b[14-1];
cb = b[15-1];
cc = b[16-1];
cd = b[17-1];
}
else if (s == 3)
{
ra = b[19-1];
rb = b[24-1];
ca = b[20-1];
cb = b[21-1];
cc = b[22-1];
cd = b[23-1];
}
else if (s == 4)
{
ra = b[25-1];
rb = b[30-1];
ca = b[26-1];
cb = b[27-1];
cc = b[28-1];
cd = b[29-1];
}
else if (s == 5)
{
ra = b[31-1];
rb = b[36-1];
ca = b[32-1];
cb = b[33-1];
cc = b[34-1];
cd = b[35-1];
}
else if (s == 6)
{
ra = b[37-1];
rb = b[42-1];
ca = b[38-1];
cb = b[39-1];
cc = b[40-1];
cd = b[41-1];
}
else if (s == 7)
{
ra = b[43-1];
rb = b[48-1];
ca = b[44-1];
cb = b[45-1];
cc = b[46-1];
cd = b[47-1];
}
svalue = Bin4bit(GetValue(Dec2bit(ra,rb),Dec4bit(ca,cb,cc,cd),s));
#endif
return svalue;
}
int CDES::GetValue(int a, int b, int s)
{
cout << endl << "Getting S" << s << " value of " << a << " " << b;
return S[s][a][b];
}
int CDES::Dec2bit(char a, char b)
{
if (a == '0' && b == '0')
return 0;
else if (a == '0' && b == '1')
return 1;
else if (a == '1' && b == '0')
return 2;
else
return 3;
}
int CDES::Dec4bit(char a, char b, char c, char d)
{
if (a == '0' && b == '0' && c == '0' && d == '0')
return 0;
else if (a == '0' && b == '0' && c == '0' && d == '1')
return 1;
else if (a == '0' && b == '0' && c == '1' && d == '0')
return 2;
else if (a == '0' && b == '0' && c == '1' && d == '1')
return 3;
else if (a == '0' && b == '1' && c == '0' && d == '0')
return 4;
else if (a == '0' && b == '1' && c == '0' && d == '1')
return 5;
else if (a == '0' && b == '1' && c == '1' && d == '0')
return 6;
else if (a == '0' && b == '1' && c == '1' && d == '1')
return 7;
else if (a == '1' && b == '0' && c == '0' && d == '0')
return 8;
else if (a == '1' && b == '0' && c == '0' && d == '1')
return 9;
else if (a == '1' && b == '0' && c == '1' && d == '0')
return 10;
else if (a == '1' && b == '0' && c == '1' && d == '1')
return 11;
else if (a == '1' && b == '1' && c == '0' && d == '0')
return 12;
else if (a == '1' && b == '1' && c == '0' && d == '1')
return 13;
else if (a == '1' && b == '1' && c == '1' && d == '0')
return 14;
else
return 15;
}
char* CDES::Bin2bit(int a)
{
if (a == 0)
return "00";
else if (a == 1)
return "01";
else if (a == 2)
return "10";
else
return "11";
}
char* CDES::Bin4bit(int a)
{
if (a == 0)
return "0000";
else if (a == 1)
return "0001";
else if (a == 2)
return "0010";
else if (a == 3)
return "0011";
else if (a == 4)
return "0100";
else if (a == 5)
return "0101";
else if (a == 6)
return "0110";
else if (a == 7)
return "0111";
else if (a == 8)
return "1000";
else if (a == 9)
return "1001";
else if (a == 10)
return "1010";
else if (a == 11)
return "1011";
else if (a == 12)
return "1100";
else if (a == 13)
return "1101";
else if (a == 14)
return "1110";
else
return "1111";
}
char* CDES::JoinSres(char *r1, char *r2)
{
char *res = new char[DATA_LENGTH/2];
int i,j;
for (i = 0 ; i < ((DATA_LENGTH/2)/2) ; i++)
{
res[i] = r1[i];
}
for (i = ((DATA_LENGTH/2)/2),j = 0 ; j < ((DATA_LENGTH/2)/2) ; i++,j++)
{
res[i] = r2[j];
}
return res;
}
char* CDES::PermuteSres(char *sr)
{
char *r = new char[(DATA_LENGTH/2)];
r[0] = sr[2-1];
r[1] = sr[4-1];
r[2] = sr[3-1];
r[3] = sr[1-1];
return r;
}
void CDES::SampleKeys()
{
key[1-1][0] = '1';
key[1-1][1] = '0';
key[1-1][2] = '1';
key[1-1][3] = '0';
key[1-1][4] = '0';
key[1-1][5] = '1';
key[1-1][6] = '0';
key[1-1][7] = '0';
key[2-1][0] = '0';
key[2-1][1] = '1';
key[2-1][2] = '0';
key[2-1][3] = '0';
key[2-1][4] = '0';
key[2-1][5] = '0';
key[2-1][6] = '1';
key[2-1][7] = '1';
}
void CDES::print(char *d, int length)
{
int i;
cout << endl;
for (i = 0 ; i < length ; i++)
{
cout << d[i];
}
cout << endl;
}
char* CDES::XORLandP(char *left, char *p4r)
{
int i;
char *res = new char[DATA_LENGTH/2];
for (i = 0 ; i < (DATA_LENGTH/2) ; i++)
{
res[i] = XOR(left[i],p4r[i]);
}
return res;
}
char* CDES::FKFinal(char *xr, char *right)
{
char* res = new char[DATA_LENGTH];
int i;
for (i = 0 ; i < (DATA_LENGTH/2) ; i++)
{
res[i] = xr[i];
}
for (i = (DATA_LENGTH/2) ; i < DATA_LENGTH ; i++)
{
res[i] = right[i];
}
return res;
}
char* CDES::FKFunction(char *ip,int f)
{
// begin the KF function
char *ep = ExtendedPermutation(ip);
cout << endl << "Extended Permutation";
print(ep,KEY_P_LENGTH);
cout << endl << "The k" << f;
print(key[f-1],KEY_P_LENGTH);
char *keyXor = XORwithKey(ep,f);
cout << endl << "XOR with k" << f;
print(keyXor,KEY_P_LENGTH);
char *S0res = GetSValue(keyXor,0);
cout << endl << "S0 Result";
#ifdef SDES
print(S0res,DATA_LENGTH/4);
#else
print(S0res,4);
#endif
char *S1res = GetSValue(keyXor,1);
cout << endl << "S1 Result";
#ifdef SDES
print(S1res,DATA_LENGTH/4);
#else
print(S1res,4);
#endif
#ifdef DES
char *S2res = GetSValue(keyXor,2);
cout << endl << "S2 Result";
print(S2res,4);
char *S3res = GetSValue(keyXor,3);
cout << endl << "S3 Result";
print(S3res,4);
char *S4res = GetSValue(keyXor,4);
cout << endl << "S4 Result";
print(S4res,4);
char *S5res = GetSValue(keyXor,5);
cout << endl << "S5 Result";
print(S5res,4);
char *S6res = GetSValue(keyXor,6);
cout << endl << "S6 Result";
print(S6res,4);
char *S7res = GetSValue(keyXor,7);
cout << endl << "S7 Result";
print(S7res,4);
#endif
#ifdef SDES
char *Sresult = JoinSres(S0res,S1res);
cout << endl << "Joined S0 and S1 Results";
#else
char *Sresult = JoinSres_DES(S0res,S1res,S2res,S3res,S4res,S5res,S6res,S7res);
cout << endl << "Joined Printed S Results";
#endif
print(Sresult,DATA_LENGTH/2);
#ifdef SDES
char *pSres = PermuteSres(Sresult);
cout << endl << "Permutation P4";
#else
char *pSres = PermuteSres_DES(Sresult);
cout << endl << "Permutation P32";
#endif
print(pSres,DATA_LENGTH/2);
char *XorLandPr = XORLandP(ip,pSres);
#ifdef SDES
cout << endl << "XOR L and P4 Result";
#else
cout << endl << "XOR L and P32 Result";
#endif
print(XorLandPr,DATA_LENGTH/2);
char *FKFinalRes = FKFinal(XorLandPr,ip);
return FKFinalRes;
}
char* CDES::Switch(char *p)
{
int i,j;
char *res = new char[DATA_LENGTH];
for (i = 0,j = (DATA_LENGTH/2) ; i < (DATA_LENGTH/2) ; i++,j++)
{
res[i] = p[j];
}
for (i = (DATA_LENGTH/2),j = 0 ; i < DATA_LENGTH ; i++,j++)
{
res[i] = p[j];
}
return res;
}
char* CDES::IPInverse(char *r)
{
char *res = new char[DATA_LENGTH];
#ifdef SDES
res[0] = r[4-1];
res[1] = r[1-1];
res[2] = r[3-1];
res[3] = r[5-1];
res[4] = r[7-1];
res[5] = r[2-1];
res[6] = r[8-1];
res[7] = r[6-1];
#else
res[0] = r[40-1];
res[1] = r[8-1];
res[2] = r[48-1];
res[3] = r[16-1];
res[4] = r[56-1];
res[5] = r[24-1];
res[6] = r[64-1];
res[7] = r[32-1];
res[8] = r[39-1];
res[9] = r[7-1];
res[10] = r[47-1];
res[11] = r[15-1];
res[12] = r[55-1];
res[13] = r[23-1];
res[14] = r[63-1];
res[15] = r[31-1];
res[16] = r[38-1];
res[17] = r[6-1];
res[18] = r[46-1];
res[19] = r[14-1];
res[20] = r[54-1];
res[21] = r[22-1];
res[22] = r[62-1];
res[23] = r[30-1];
res[24] = r[37-1];
res[25] = r[5-1];
res[26] = r[45-1];
res[27] = r[13-1];
res[28] = r[53-1];
res[29] = r[21-1];
res[30] = r[61-1];
res[31] = r[29-1];
res[32] = r[36-1];
res[33] = r[4-1];
res[34] = r[44-1];
res[35] = r[12-1];
res[36] = r[52-1];
res[37] = r[20-1];
res[38] = r[60-1];
res[39] = r[28-1];
res[40] = r[35-1];
res[41] = r[3-1];
res[42] = r[43-1];
res[43] = r[11-1];
res[44] = r[51-1];
res[45] = r[19-1];
res[46] = r[59-1];
res[47] = r[27-1];
res[48] = r[34-1];
res[49] = r[2-1];
res[50] = r[42-1];
res[51] = r[10-1];
res[52] = r[50-1];
res[53] = r[18-1];
res[54] = r[58-1];
res[55] = r[26-1];
res[56] = r[33-1];
res[57] = r[1-1];
res[58] = r[41-1];
res[59] = r[9-1];
res[60] = r[49-1];
res[61] = r[17-1];
res[62] = r[57-1];
res[63] = r[25-1];
#endif
return res;
}
char* CDES::Decrypt()
{
// Calculate Keys
GenKeys();
// Begin Encryption
#ifdef SDES
char *ip = DataIP(); // Initial Permutation on Input bits
#else
char *ip = DataIP_DES();
#endif
cout << endl << "Initial Permutation";
print(ip,DATA_LENGTH);
char *loopData = ip;
char *FKr;
for (int i = NO_OF_KEYS ; i >= 1 ; i--)
{
FKr = FKFunction(loopData,i);
cout << endl << "FK" << i << " Result";
print(FKr,DATA_LENGTH);
if (i != 1)
{
loopData = Switch(FKr);
cout << endl << "Switch Result";
print(loopData,DATA_LENGTH);
}
else
{
loopData = FKr;
}
}
char *IPinv = IPInverse(loopData);
cout << endl << "IP Inverse";
print(IPinv,DATA_LENGTH);
return IPinv;
}
void CDES::FillAllS()
{
#ifdef SDES
FillS0_SDES();
FillS1_SDES();
#else DES
FillS0_DES();
FillS1_DES();
FillS2_DES();
FillS3_DES();
FillS4_DES();
FillS5_DES();
FillS6_DES();
FillS7_DES();
#endif
}
void CDES::FillS0_DES()
{
S[0][0][0] = 14; S[0][0][1] = 4; S[0][0][2] = 13; S[0][0][3] = 1;
S[0][0][4] = 2; S[0][0][5] = 15; S[0][0][6] = 11; S[0][0][7] = 8;
S[0][0][8] = 3; S[0][0][9] = 10; S[0][0][10] = 6; S[0][0][11] = 12;
S[0][0][12] = 5; S[0][0][13] = 9; S[0][0][14] = 0; S[0][0][15] = 7;
S[0][1][0] = 0; S[0][1][1] = 15; S[0][1][2] = 7; S[0][1][3] = 4;
S[0][1][4] = 14; S[0][1][5] = 2; S[0][1][6] = 13; S[0][1][7] = 1;
S[0][1][8] = 10; S[0][1][9] = 6; S[0][1][10] = 12; S[0][1][11] = 11;
S[0][1][12] = 9; S[0][1][13] = 5; S[0][1][14] = 3; S[0][1][15] = 8;
S[0][2][0] = 4; S[0][2][1] = 1; S[0][2][2] = 14; S[0][2][3] = 8;
S[0][2][4] = 13; S[0][2][5] = 6; S[0][2][6] = 2; S[0][2][7] = 11;
S[0][2][8] = 15; S[0][2][9] = 12; S[0][2][10] = 9; S[0][2][11] = 7;
S[0][2][12] = 3; S[0][2][13] = 10; S[0][2][14] = 5; S[0][2][15] = 0;
S[0][3][0] = 15; S[0][3][1] = 12; S[0][3][2] = 8; S[0][3][3] = 2;
S[0][3][4] = 4; S[0][3][5] = 9; S[0][3][6] = 1; S[0][3][7] = 7;
S[0][3][8] = 5; S[0][3][9] = 11; S[0][3][10] = 3; S[0][3][11] = 14;
S[0][3][12] = 10; S[0][3][13] = 0; S[0][3][14] = 6; S[0][3][15] = 13;
}
void CDES::FillS1_DES()
{
S[1][0][0] = 15; S[1][0][1] = 1; S[1][0][2] = 8; S[1][0][3] = 14;
S[1][0][4] = 6; S[1][0][5] = 11; S[1][0][6] = 3; S[1][0][7] = 4;
S[1][0][8] = 9; S[1][0][9] = 7; S[1][0][10] = 2; S[1][0][11] = 13;
S[1][0][12] = 12; S[1][0][13] = 0; S[1][0][14] = 5; S[1][0][15] = 10;
S[1][1][0] = 3; S[1][1][1] = 13; S[1][1][2] = 4; S[1][1][3] = 7;
S[1][1][4] = 15; S[1][1][5] = 2; S[1][1][6] = 8; S[1][1][7] = 14;
S[1][1][8] = 12; S[1][1][9] = 0; S[1][1][10] = 1; S[1][1][11] = 10;
S[1][1][12] = 6; S[1][1][13] = 9; S[1][1][14] = 11; S[1][1][15] = 5;
S[1][2][0] = 0; S[1][2][1] = 14; S[1][2][2] = 7; S[1][2][3] = 11;
S[1][2][4] = 10; S[1][2][5] = 4; S[1][2][6] = 13; S[1][2][7] = 1;
S[1][2][8] = 5; S[1][2][9] = 8; S[1][2][10] = 12; S[1][2][11] = 6;
S[1][2][12] = 9; S[1][2][13] = 3; S[1][2][14] = 2; S[1][2][15] = 15;
S[1][3][0] = 13; S[1][3][1] = 8; S[1][3][2] = 10; S[1][3][3] = 1;
S[1][3][4] = 3; S[1][3][5] = 15; S[1][3][6] = 4; S[1][3][7] = 2;
S[1][3][8] = 11; S[1][3][9] = 6; S[1][3][10] = 7; S[1][3][11] = 12;
S[1][3][12] = 0; S[1][3][13] = 5; S[1][3][14] = 14; S[1][3][15] = 9;
}
void CDES::FillS2_DES()
{
S[2][0][0] = 10; S[2][0][1] = 0; S[2][0][2] = 9; S[2][0][3] = 14;
S[2][0][4] = 6; S[2][0][5] = 3; S[2][0][6] = 15; S[2][0][7] = 5;
S[2][0][8] = 1; S[2][0][9] = 13; S[2][0][10] = 12; S[2][0][11] = 7;
S[2][0][12] = 11; S[2][0][13] = 4; S[2][0][14] = 2; S[2][0][15] = 8;
S[2][1][0] = 13; S[2][1][1] = 7; S[2][1][2] = 0; S[2][1][3] = 9;
S[2][1][4] = 3; S[2][1][5] = 4; S[2][1][6] = 6; S[2][1][7] = 10;
S[2][1][8] = 2; S[2][1][9] = 8; S[2][1][10] = 5; S[2][1][11] = 14;
S[2][1][12] = 12; S[2][1][13] = 10; S[2][1][14] = 15; S[2][1][15] = 1;
S[2][2][0] = 13; S[2][2][1] = 6; S[2][2][2] = 4; S[2][2][3] = 9;
S[2][2][4] = 8; S[2][2][5] = 15; S[2][2][6] = 3; S[2][2][7] = 0;
S[2][2][8] = 11; S[2][2][9] = 1; S[2][2][10] = 2; S[2][2][11] = 12;
S[2][2][12] = 5; S[2][2][13] = 10; S[2][2][14] = 14; S[2][2][15] = 7;
S[2][3][0] = 1; S[2][3][1] = 10; S[2][3][2] = 13; S[2][3][3] = 0;
S[2][3][4] = 6; S[2][3][5] = 9; S[2][3][6] = 8; S[2][3][7] = 7;
S[2][3][8] = 4; S[2][3][9] = 15; S[2][3][10] = 14; S[2][3][11] = 3;
S[2][3][12] = 11; S[2][3][13] = 5; S[2][3][14] = 2; S[2][3][15] = 12;
}
void CDES::FillS3_DES()
{
S[3][0][0] = 7; S[3][0][1] = 13; S[3][0][2] = 14; S[3][0][3] = 3;
S[3][0][4] = 0; S[3][0][5] = 6; S[3][0][6] = 9; S[3][0][7] = 10;
S[3][0][8] = 1; S[3][0][9] = 2; S[3][0][10] = 8; S[3][0][11] = 5;
S[3][0][12] = 11; S[3][0][13] = 12; S[3][0][14] = 4; S[3][0][15] = 15;
S[3][1][0] = 13; S[3][1][1] = 8; S[3][1][2] = 11; S[3][1][3] = 5;
S[3][1][4] = 6; S[3][1][5] = 15; S[3][1][6] = 0; S[3][1][7] = 3;
S[3][1][8] = 4; S[3][1][9] = 7; S[3][1][10] = 2; S[3][1][11] = 12;
S[3][1][12] = 1; S[3][1][13] = 10; S[3][1][14] = 14; S[3][1][15] = 9;
S[3][2][0] = 10; S[3][2][1] = 6; S[3][2][2] = 9; S[3][2][3] = 0;
S[3][2][4] = 12; S[3][2][5] = 11; S[3][2][6] = 7; S[3][2][7] = 13;
S[3][2][8] = 15; S[3][2][9] = 1; S[3][2][10] = 3; S[3][2][11] = 14;
S[3][2][12] = 5; S[3][2][13] = 2; S[3][2][14] = 8; S[3][2][15] = 4;
S[3][3][0] = 3; S[3][3][1] = 15; S[3][3][2] = 0; S[3][3][3] = 6;
S[3][3][4] = 10; S[3][3][5] = 1; S[3][3][6] = 13; S[3][3][7] = 8;
S[3][3][8] = 9; S[3][3][9] = 4; S[3][3][10] = 5; S[3][3][11] = 11;
S[3][3][12] = 12; S[3][3][13] = 7; S[3][3][14] = 2; S[3][3][15] = 14;
}
void CDES::FillS4_DES()
{
S[4][0][0] = 2; S[4][0][1] = 12; S[4][0][2] = 4; S[4][0][3] = 1;
S[4][0][4] = 7; S[4][0][5] = 10; S[4][0][6] = 11; S[4][0][7] = 6;
S[4][0][8] = 8; S[4][0][9] = 5; S[4][0][10] = 3; S[4][0][11] = 15;
S[4][0][12] = 13; S[4][0][13] = 0; S[4][0][14] = 14; S[4][0][15] = 9;
S[4][1][0] = 14; S[4][1][1] = 11; S[4][1][2] = 2; S[4][1][3] = 12;
S[4][1][4] = 4; S[4][1][5] = 7; S[4][1][6] = 13; S[4][1][7] = 1;
S[4][1][8] = 5; S[4][1][9] = 0; S[4][1][10] = 15; S[4][1][11] = 10;
S[4][1][12] = 3; S[4][1][13] = 9; S[4][1][14] = 8; S[4][1][15] = 6;
S[4][2][0] = 4; S[4][2][1] = 2; S[4][2][2] = 1; S[4][2][3] = 11;
S[4][2][4] = 10; S[4][2][5] = 13; S[4][2][6] = 7; S[4][2][7] = 8;
S[4][2][8] = 15; S[4][2][9] = 9; S[4][2][10] = 12; S[4][2][11] = 5;
S[4][2][12] = 6; S[4][2][13] = 3; S[4][2][14] = 0; S[4][2][15] = 14;
S[4][3][0] = 11; S[4][3][1] = 8; S[4][3][2] = 12; S[4][3][3] = 7;
S[4][3][4] = 1; S[4][3][5] = 14; S[4][3][6] = 2; S[4][3][7] = 13;
S[4][3][8] = 6; S[4][3][9] = 15; S[4][3][10] = 0; S[4][3][11] = 9;
S[4][3][12] = 10; S[4][3][13] = 4; S[4][3][14] = 5; S[4][3][15] = 3;
}
void CDES::FillS5_DES()
{
S[5][0][0] = 12; S[5][0][1] = 1; S[5][0][2] = 10; S[5][0][3] = 15;
S[5][0][4] = 9; S[5][0][5] = 2; S[5][0][6] = 6; S[5][0][7] = 8;
S[5][0][8] = 0; S[5][0][9] = 13; S[5][0][10] = 3; S[5][0][11] = 4;
S[5][0][12] = 14; S[5][0][13] = 7; S[5][0][14] = 5; S[5][0][15] = 11;
S[5][1][0] = 10; S[5][1][1] = 15; S[5][1][2] = 4; S[5][1][3] = 2;
S[5][1][4] = 7; S[5][1][5] = 12; S[5][1][6] = 9; S[5][1][7] = 5;
S[5][1][8] = 6; S[5][1][9] = 1; S[5][1][10] = 13; S[5][1][11] = 14;
S[5][1][12] = 0; S[5][1][13] = 11; S[5][1][14] = 3; S[5][1][15] = 8;
S[5][2][0] = 9; S[5][2][1] = 14; S[5][2][2] = 15; S[5][2][3] = 5;
S[5][2][4] = 2; S[5][2][5] = 8; S[5][2][6] = 12; S[5][2][7] = 3;
S[5][2][8] = 7; S[5][2][9] = 0; S[5][2][10] = 4; S[5][2][11] = 10;
S[5][2][12] = 1; S[5][2][13] = 13; S[5][2][14] = 11; S[5][2][15] = 6;
S[5][3][0] = 4; S[5][3][1] = 3; S[5][3][2] = 2; S[5][3][3] = 12;
S[5][3][4] = 9; S[5][3][5] = 5; S[5][3][6] = 15; S[5][3][7] = 10;
S[5][3][8] = 11; S[5][3][9] = 14; S[5][3][10] = 1; S[5][3][11] = 7;
S[5][3][12] = 6; S[5][3][13] = 0; S[5][3][14] = 8; S[5][3][15] = 13;
}
void CDES::FillS6_DES()
{
S[6][0][0] = 4; S[6][0][1] = 11; S[6][0][2] = 2; S[6][0][3] = 14;
S[6][0][4] = 15; S[6][0][5] = 0; S[6][0][6] = 8; S[6][0][7] = 13;
S[6][0][8] = 3; S[6][0][9] = 12; S[6][0][10] = 9; S[6][0][11] = 7;
S[6][0][12] = 5; S[6][0][13] = 10; S[6][0][14] = 6; S[6][0][15] = 1;
S[6][1][0] = 13; S[6][1][1] = 0; S[6][1][2] = 11; S[6][1][3] = 7;
S[6][1][4] = 4; S[6][1][5] = 9; S[6][1][6] = 1; S[6][1][7] = 10;
S[6][1][8] = 14; S[6][1][9] = 3; S[6][1][10] = 5; S[6][1][11] = 12;
S[6][1][12] = 2; S[6][1][13] = 15; S[6][1][14] = 8; S[6][1][15] = 6;
S[6][2][0] = 1; S[6][2][1] = 4; S[6][2][2] = 11; S[6][2][3] = 13;
S[6][2][4] = 12; S[6][2][5] = 3; S[6][2][6] = 7; S[6][2][7] = 14;
S[6][2][8] = 10; S[6][2][9] = 15; S[6][2][10] = 6; S[6][2][11] = 8;
S[6][2][12] = 0; S[6][2][13] = 5; S[6][2][14] = 9; S[6][2][15] = 2;
S[6][3][0] = 6; S[6][3][1] = 11; S[6][3][2] = 13; S[6][3][3] = 8;
S[6][3][4] = 1; S[6][3][5] = 4; S[6][3][6] = 10; S[6][3][7] = 7;
S[6][3][8] = 9; S[6][3][9] = 5; S[6][3][10] = 0; S[6][3][11] = 15;
S[6][3][12] = 14; S[6][3][13] = 2; S[6][3][14] = 3; S[6][3][15] = 12;
}
void CDES::FillS7_DES()
{
S[7][0][0] = 13; S[7][0][1] = 2; S[7][0][2] = 8; S[7][0][3] = 4;
S[7][0][4] = 6; S[7][0][5] = 15; S[7][0][6] = 11; S[7][0][7] = 1;
S[7][0][8] = 10; S[7][0][9] = 9; S[7][0][10] = 3; S[7][0][11] = 14;
S[7][0][12] = 5; S[7][0][13] = 0; S[7][0][14] = 12; S[7][0][15] = 7;
S[7][1][0] = 1; S[7][1][1] = 15; S[7][1][2] = 13; S[7][1][3] = 8;
S[7][1][4] = 10; S[7][1][5] = 3; S[7][1][6] = 7; S[7][1][7] = 4;
S[7][1][8] = 12; S[7][1][9] = 5; S[7][1][10] = 6; S[7][1][11] = 11;
S[7][1][12] = 0; S[7][1][13] = 14; S[7][1][14] = 9; S[7][1][15] = 2;
S[7][2][0] = 7; S[7][2][1] = 11; S[7][2][2] = 4; S[7][2][3] = 1;
S[7][2][4] = 9; S[7][2][5] = 12; S[7][2][6] = 14; S[7][2][7] = 2;
S[7][2][8] = 0; S[7][2][9] = 6; S[7][2][10] = 10; S[7][2][11] = 13;
S[7][2][12] = 15; S[7][2][13] = 3; S[7][2][14] = 5; S[7][2][15] = 8;
S[7][3][0] = 2; S[7][3][1] = 1; S[7][3][2] = 14; S[7][3][3] = 7;
S[7][3][4] = 4; S[7][3][5] = 10; S[7][3][6] = 8; S[7][3][7] = 13;
S[7][3][8] = 15; S[7][3][9] = 12; S[7][3][10] = 9; S[7][3][11] = 0;
S[7][3][12] = 3; S[7][3][13] = 5; S[7][3][14] = 6; S[7][3][15] = 11;
}
char* CDES::JoinSres_DES(char *a, char *b, char *c, char *d, char *e, char *f, char *g, char *h)
{
char* JoinTres = new char[32];
int i,j;
for (i = 0 ; i < 4 ; i++)
{
JoinTres[i] = a[i];
}
for (i = 4,j = 0 ; i < 8 ; i++,j++)
{
JoinTres[i] = b[j];
}
for (i = 8,j = 0 ; i < 12 ; i++,j++)
{
JoinTres[i] = c[j];
}
for (i = 12,j = 0 ; i < 16 ; i++,j++)
{
JoinTres[i] = d[j];
}
for (i = 16,j = 0 ; i < 20 ; i++,j++)
{
JoinTres[i] = e[j];
}
for (i = 20,j = 0 ; i < 24 ; i++,j++)
{
JoinTres[i] = f[j];
}
for (i = 24,j = 0 ; i < 28 ; i++,j++)
{
JoinTres[i] = g[j];
}
for (i = 28,j = 0 ; i < 32 ; i++,j++)
{
JoinTres[i] = h[j];
}
return JoinTres;
}
char* CDES::PermuteSres_DES(char *r)
{
char *res = new char[32];
res[0] = r[16-1];
res[1] = r[7-1];
res[2] = r[20-1];
res[3] = r[21-1];
res[4] = r[29-1];
res[5] = r[12-1];
res[6] = r[28-1];
res[7] = r[17-1];
res[8] = r[1-1];
res[9] = r[15-1];
res[10] = r[23-1];
res[11] = r[26-1];
res[12] = r[5-1];
res[13] = r[18-1];
res[14] = r[31-1];
res[15] = r[10-1];
res[16] = r[2-1];
res[17] = r[8-1];
res[18] = r[24-1];
res[19] = r[14-1];
res[20] = r[32-1];
res[21] = r[27-1];
res[22] = r[3-1];
res[23] = r[9-1];
res[24] = r[19-1];
res[25] = r[13-1];
res[26] = r[30-1];
res[27] = r[6-1];
res[28] = r[22-1];
res[29] = r[11-1];
res[30] = r[4-1];
res[31] = r[25-1];
return res;
}
void CDES::GenKeys()
{
char *keyPF = keyIPermutation();
char *keyLshifted = LeftShift(keyPF,'L',1); // Left shift 1st Five bits to 1 bit
char *keyRshifted = LeftShift(keyPF,'R',1); // Left shift 2nd Five bits to 1 bit
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),1); // create Key1
#ifdef SDES
keyLshifted = LeftShift(keyPF,'L',3);
keyRshifted = LeftShift(keyPF,'R',3);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),2); // create Key2
#else
keyLshifted = LeftShift(keyPF,'L',2);
keyRshifted = LeftShift(keyPF,'R',2);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),2); // create Key2
keyLshifted = LeftShift(keyPF,'L',4);
keyRshifted = LeftShift(keyPF,'R',4);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),3); // create key3
keyLshifted = LeftShift(keyPF,'L',6);
keyRshifted = LeftShift(keyPF,'R',6);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),4); // create key4
keyLshifted = LeftShift(keyPF,'L',8);
keyRshifted = LeftShift(keyPF,'R',8);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),5); // create key5
keyLshifted = LeftShift(keyPF,'L',10);
keyRshifted = LeftShift(keyPF,'R',10);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),6); // create key6
keyLshifted = LeftShift(keyPF,'L',12);
keyRshifted = LeftShift(keyPF,'R',12);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),7); // create key7
keyLshifted = LeftShift(keyPF,'L',14);
keyRshifted = LeftShift(keyPF,'R',14);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),8); // create key8
keyLshifted = LeftShift(keyPF,'L',15);
keyRshifted = LeftShift(keyPF,'R',15);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),9); // create key9
keyLshifted = LeftShift(keyPF,'L',17);
keyRshifted = LeftShift(keyPF,'R',17);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),10); // create key10
keyLshifted = LeftShift(keyPF,'L',19);
keyRshifted = LeftShift(keyPF,'R',19);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),11); // create key11
keyLshifted = LeftShift(keyPF,'L',21);
keyRshifted = LeftShift(keyPF,'R',21);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),12); // create key12
keyLshifted = LeftShift(keyPF,'L',23);
keyRshifted = LeftShift(keyPF,'R',23);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),13); // create key13
keyLshifted = LeftShift(keyPF,'L',25);
keyRshifted = LeftShift(keyPF,'R',25);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),14); // create key14
keyLshifted = LeftShift(keyPF,'L',27);
keyRshifted = LeftShift(keyPF,'R',27);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),15); // create key15
keyLshifted = LeftShift(keyPF,'L',28);
keyRshifted = LeftShift(keyPF,'R',28);
keyPermutationA(JoinShifted(keyLshifted,keyRshifted),16); // create key16
#endif
}推荐答案
you should replace old headers with new ones, namely:
you should replace old headers with new ones, namely:
Faraz the fighter wrote:
Faraz the fighter wrote:
#include <iostream.h>
#include <string.h>
#include <stdlib.h>
#include <iostream.h>
#include <string.h>
#include <stdlib.h>
与
with
#include <iostream>
#include <cstring>
#include <cstdlib>
also, add
also, add
using namespace std;
just below the #include lines.
just below the #include lines.
这篇关于面对des中的问题的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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