oec/libbrandt
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix bug in public first price outcome determination

Browse Source 
We have to divide out the amount of bidders to get the correct result.
This commit is contained in:
Markus Teich 2016-09-23 16:31:06 +02:00
parent d6cdd80c8c
commit e08789c727
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
crypto.c
View File

@ -1191,6 +1191,9 @@ fp_pub_determine_outcome (struct BRANDT_Auction *ad,
dlogi = GNUNET_CRYPTO_ecc_dlog (ec_dlogctx, sum_gamma); dlogi = GNUNET_CRYPTO_ecc_dlog (ec_dlogctx, sum_gamma);
brandt_assert (dlogi > 0); brandt_assert (dlogi > 0);
/* all bidders participated with a multiplicative share */
dlogi /= ad->n;
/* can only support up to bits(dlogi) bidders */ /* can only support up to bits(dlogi) bidders */
brandt_assert (sizeof (int) * 8 - 1 >= ad->n); brandt_assert (sizeof (int) * 8 - 1 >= ad->n);
for (uint16_t i = 0; i < ad->n; i++) for (uint16_t i = 0; i < ad->n; i++)