Реферат Розрахунок показників і побудова основних елементів захищених обчислювальних мереж. Розробка програмної реалізації криптографічних алгоритмів

= b [i];

rez [i] = point.a [0];

temp [i +1] = point.a [1];

}

rez [i] = temp [i];

delete temp;

}

// ---------------------------------------- ------------------------ Pow_N (unsigned a [8], unsigned b [8], unsigned mod [8], unsigned rez [8])

{

unsigned * temp = new unsigned [9];

unsigned * temp1 = new unsigned [16];

int f;

for (int i = 0; i <8; i + +) temp [i] = a [i];

temp [8] = 0;

for (i = 0; i <16; i + +) temp1 [i] = 0;

unsigned p = 8;

do {p -;} while (b [p] == 0);

unsigned g = 16;

do {g -;} while (((b [p]>> g) & 0x1) == 0);

g -;

for (i = g; i> = 0; i -)

{

Mult16 (temp, temp, temp1);

ModN (temp1, mod);

for (f = 8; f> = 0; f -) temp [f] = temp1 [f];

if (((b [p]>> i) & 0x1) == 1)

{

Mult16 (temp, a, temp1);

ModN (temp1, mod);

for (f = 8; f> = 0; f -) temp [f] = temp1 [f];

}

}

for (i = p-1; i> = 0; i -)

{

for (int j = 15; j> = 0; j -)

{

Mult16 (temp, temp, temp1);

ModN (temp1, mod);

for (f = 8; f> = 0; f -) temp [f] = temp1 [f];

if (((b [i]>> j) & 0x1) == 1)

{

Mult16 (a, temp, temp1);

ModN (temp1, mod);

for (f = 8; f> = 0; f -) temp [f] = temp1 [f];

}

}

}

for (i = 7; i> = 0; i -) rez [i] = temp [i];

delete temp;

delete temp1;

}

// ---------------------------------------- ------------------------ Div16 (unsigned a [8], unsigned b [8], unsigned rez [8], unsigned ost [8])

{

int i = 8;

do {i -;} while (a [i] == 0);

int j = 8;

do {j -;} while (b [j] == 0);

unsigned RaznPoz, del;

unsigned ostT [16] = {0,};

for (int g = 0; g <8; g+ +) ostT [g] = a [g];

unsigned * temp1 = new unsigned [17];