hasufell/pqc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

POLY->ASCII: added inline comments.

Browse Source
This commit is contained in:
malte 2014-05-18 18:28:39 +02:00
parent 3bf66ce274
commit b997dc65fd
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/ascii_poly.c
View File

@ -19,11 +19,11 @@
* MA 02110-1301 USA
*/
#include "ascii_poly.h"
#include "context.h"
#include "err.h"
#include "mem.h"
#include "poly.h"
#include "ascii_poly.h"
#include <math.h>
#include <stdio.h>
@ -101,16 +101,24 @@ char *polynom_to_ascii(pb_poly *to_ascii)
char *tmp_ptr = string;
u_int8_t ascii_value = 0;
/* every char */
for (u_int32_t i = 0; i < length_poly; i += ASCII_DIGITS) {
/* every bit*/
for (u_int32_t j = 0; j < ASCII_DIGITS; j++) {
/* get the bit */
if (mp_toradix(&(to_ascii->terms[i + j]), &bit_buffer, 2)) {
return NULL;
}
/* bit as integer */
u_int8_t bit = atoi(&bit_buffer);
/* bitshift to the left */
ascii_value <<= 1;
/* set the new bit and keep the other */
ascii_value |= bit;
}
*tmp_ptr++ = ascii_value;
/* char into string */
*tmp_ptr++ = (char) ascii_value;
/* reset for next char */
ascii_value = 0;
}
return string;