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RAND changed c to coefficient

This commit is contained in:
Malte 2014-05-06 07:49:37 +02:00 committed by malte
parent 79a908de00
commit 7c58d847e9
1 changed files with 6 additions and 6 deletions
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12
src/rand.c
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@ -155,12 +155,12 @@ static unsigned int check_allowed_zeros(pb_poly *polynom)
* @param entropy_source the source of entropy you want
* @return newly allocated polynomial, must be freed with delete_polynom()
*/
pb_poly *ntru_get_random_poly_ternary(int length, int entropy_source)
pb_poly *ntru_get_random_poly_ternary(size_t length, int entropy_source)
{
mp_int chara;
init_integer(&chara);
mp_digit c;
mp_digit coefficient;
pb_poly *poly = malloc(sizeof(pb_poly));
init_polynom_size(poly, &chara, length);
@ -169,14 +169,14 @@ pb_poly *ntru_get_random_poly_ternary(int length, int entropy_source)
for (unsigned int i = 0; i < length; i++) {
int sign;
if (entropy_source == GET_INT_FROM_RRAND) {
c = read_int_dev_random();
coefficient = read_int_dev_random();
} else if (entropy_source == GET_INT_FROM_URAND) {
c = read_int_dev_urandom();
coefficient = read_int_dev_urandom();
} else {
NTRU_ABORT("No suitable entropy source selectetd.\n");
}
c = get_random_ternary(c, &sign);
mp_set(&(poly->terms[i]), c);
coefficient = get_random_ternary(coefficient, &sign);
mp_set(&(poly->terms[i]), coefficient);
if (sign == 1)
poly->terms[i].sign = 1;
}