Версія даної теми для друку

#include <stdio.h>
int main()
{
printf("Hello ...!\n" );
return(0);
}

#include<stdio.h>
/*size of variable types*/
int main()
{
printf("int=%d  short int=%d \n",  sizeof(int),  sizeof(short int));
printf("signed int=%d  unsigned int=%d \n",  sizeof(signed int),  sizeof(unsigned int));
printf("char=%d  unsigned char=%d \n",  sizeof(char),  sizeof(unsigned char));
return 0;
}

#include <stdio.h>
unsigned long int rotr (unsigned long int a, char b)
{/* analog asm ror a,b */
    return ((a>>b)|(a<<(32-b)));
}

unsigned long int inFileSize=0, w[64], s0, s1;
int i, i2, readedBytes=0;
char readBuffer[64];

FILE *myFile, *myFile2;
unsigned long int a,b,c,d,e,f,g,h,t1,t2,sum0,sum1,Ma,Ch,k[64] ={
   0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
   0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
   0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
   0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
   0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
   0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
   0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
   0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2},
h0 = 0x6A09E667,
h1 = 0xBB67AE85,
h2 = 0x3C6EF372,
h3 = 0xA54FF53A,
h4 = 0x510E527F,
h5 = 0x9B05688C,
h6 = 0x1F83D9AB,
h7 = 0x5BE0CD19;

int main(int argc, char *argv[])
{
printf("input file name is '%s'\n", argv[1] );
if (argc==1) return(1);
myFile = fopen (argv[1], "rb");
myFile2 = fopen("out", "wb");
    
do
{
    fseek(myFile, inFileSize++*64, SEEK_SET);
    readedBytes=fread(readBuffer, 1, 64, myFile);
    printf("seek@=%d\n", inFileSize);
asm
(
    /* copy 16(10h) doubleWords from readBuffer[] to w[]*/
    "movl $0x10, %ecx\n\t"
    "leal readBuffer,%esi\n\t"
    "leal w,%edi\n\t"
    "cld\n\t"
    "rep movsl\n\t"
);
    for (i=16; i<64;i++)
{
    s0=rotr(w[i-15],7)^rotr(w[i-15],18)^(w[i-15]>>3);
    s1=rotr(w[i-2],17)^rotr(w[i-2],19)^(w[i-2]>>10);
    w[i]=w[i-16]+s0+w[i-7]+s1;
}
    a= h0;
    b= h1;
    c= h2;
    d= h3;
    e= h4;
    f= h5;
    g= h6;
    h= h7;

    for (i=0; i<64;i++)
{
    sum0=    rotr(a, 2)^rotr(a, 13)^rotr (a, 22);
    Ma=    (a &b)^(a &c)^(b &c);
    t2=    sum0 + Ma;
    sum1=    rotr(e, 6)^rotr(e, 11)^rotr(e, 25);
    Ch=    (e &f)^((~e) &g);
    t1=    h +sum1 +Ch +k[i] +w[i];

    h= g;
    g= f;
    f= e;
    e= d  +t1;
    d= c;
    c= b;
    b= a;
    a= t2 +t1;
}
    h0= h0 +a;
    h1= h1 +b;
    h2= h2 +c;
    h3= h3 +d;
    h4= h4 +e;
    h5= h5 +f;
    h6= h6 +g;
    h7= h7 +h;

    w[0]=h0;
    w[1]=h1;
    w[2]=h2;
    w[3]=h3;
    w[4]=h4;
    w[5]=h5;
    w[6]=h6;
    w[7]=h7;
    

    fwrite(w, 1, 8*4, myFile2);
}
while (readedBytes==64);

fclose(myFile2);
fclose(myFile);
printf("bytes readed last time=%d\n Total file size=%d\n", readedBytes,  --inFileSize*64+readedBytes);
return(0);
}