make sure fast_s_mp_mul_digs() doesn't BOF

This fixes #60 and #80
2017-08-29 16:53:31 +02:00 · 2017-08-29 16:53:31 +02:00 · 1d03522625
commit 1d03522625
parent a4d905a030
1 changed files with 1 additions and 1 deletions
--- a/bn_fast_s_mp_mul_digs.c
+++ b/bn_fast_s_mp_mul_digs.c
@ -87,7 +87,7 @@ int fast_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs)
   {
      mp_digit *tmpc;
      tmpc = c->dp;
-      for (ix = 0; ix < (pa + 1); ix++) {
+      for (ix = 0; ix < pa; ix++) {
         /* now extract the previous digit [below the carry] */
         *tmpc++ = W[ix];
      }