int sha_main(void *p)
{
struct thread_data *arg = (struct thread_data*)p;
int argc = arg->argc;
char **argv = arg->argv;
FILE *fin;
SHA_INFO sha_info;
if (argc < 2) {
fin = stdin;
sha_stream(&sha_info, fin);
sha_print(&sha_info);
} else {
while (--argc) {
fin = fopen(*(++argv), "rb");
if (fin == NULL) {
printf("error opening %s for reading\n", *argv);
} else {
sha_stream(&sha_info, fin);
sha_print(&sha_info);
fclose(fin);
}
}
}
return(0);
}
VOID NextBitLoc( ULONG *resx, ULONG *resy, UWORD width, UWORD height )
{
ULONG x, y, hash;
SHA_INFO sha = {0};
y = counter / width;
x = counter % width;
// First iteration
sha_init(&sha);
sha_update( &sha, key, SHA_DIGESTSIZE );
sha_update( &sha, (UBYTE *)&x, sizeof(x) );
sha_final( &sha );
D(sha_print( &sha ));
hash = (sha.digest[0] & 0x7fffffff); // Lose the sign
y = (y+hash) % height;
// Second iteration
sha_init(&sha);
sha_update( &sha, key, SHA_DIGESTSIZE );
sha_update( &sha, (UBYTE *)&y, sizeof(y) );
sha_final( &sha );
D(sha_print( &sha ));
hash = (sha.digest[0] & 0x7fffffff); // Lose the sign
x = (x+hash) % width;
// Third iteration
sha_init(&sha);
sha_update( &sha, key, SHA_DIGESTSIZE );
sha_update( &sha, (UBYTE *)&x, sizeof(x) );
sha_final( &sha );
D(sha_print( &sha ));
hash = (sha.digest[0] & 0x7fffffff); // Lose the sign
y = (y+hash) % height;
*resx = x;
*resy = y;
++counter;
}
int main(int argc, char **argv)
{
FILE *fin;
SHA_INFO sha_info;
if (argc < 2) {
fin = stdin;
sha_stream(&sha_info, fin);
sha_print(&sha_info);
} else {
while (--argc) {
int len = strlen(*(++argv));
sha_string(&sha_info, *(argv), len);
sha_print(&sha_info);
}
}
return(0);
}
PERROR MakeKeyMaterial( FRAME *frame, UBYTE *passphrase, struct PPTBase *PPTBase )
{
ROWPTR cp, tmprow;
WORD row;
struct ExecBase *SysBase = PPTBase->lb_Sys;
SHA_INFO sha = {0};
PERROR res = PERR_OK;
sha_init( &sha );
InitProgress(frame,"Building key...", 0, frame->pix->height );
/*
* First, use the passphrase for the key.
*/
if( strlen(passphrase) > 0 ) sha_update( &sha, passphrase, strlen(passphrase) );
if( tmprow = AllocVec( frame->pix->bytes_per_row, 0L ) ) {
for( row = 0; row < frame->pix->height; row++ ) {
WORD col;
cp = GetPixelRow( frame, row );
if( Progress( frame, row ) ) {
res = PERR_BREAK;
break;
}
for( col = 0; col < frame->pix->bytes_per_row; col++ ) {
/* Use only significant bytes */
tmprow[col] = cp[col] & 0xFE;
}
sha_update( &sha, tmprow, frame->pix->bytes_per_row );
}
// Use the passphrase again (why?)
if( strlen(passphrase) > 0 ) sha_update( &sha, passphrase, strlen(passphrase) );
FinishProgress( frame );
sha_final( &sha );
memcpy( key, &sha.digest[0], SHA_DIGESTSIZE );
D(sha_print( &sha ) );
FreeVec( tmprow );
} else {
SetErrorCode( frame, PERR_OUTOFMEMORY );
res = PERR_OUTOFMEMORY;
}
return res;
}
void compute_digest(int index){
SHA_INFO sha_info;
sha_stream(&sha_info, Tdata[index].data,Tdata[index].size);
if (PRINT) {
sha_print(&sha_info);
}
}
int main_sha ()
{
// FILE *fin;
SHA_INFO sha_info;
if (filein_sha == NULL) {
printf("error opening filein_sha for reading (sha)\n");
}
else
{
sha_stream(&sha_info, filein_sha);
pthread_mutex_lock(&mutex_print);
sha_print(&sha_info);
pthread_mutex_unlock(&mutex_print);
fclose(filein_sha);
}
return(0);
}
