fix alt_ecc_size exptmod with negative numbers

2015-08-27 11:18:06 -07:00
parent 1ee27f7a04
commit 5e26a5c8fc
1 changed files with 1 additions and 1 deletions
--- a/wolfcrypt/src/tfm.c
+++ b/wolfcrypt/src/tfm.c
@ -1209,7 +1209,7 @@ int fp_exptmod(fp_int * G, fp_int * X, fp_int * P, fp_int * Y)
      fp_int tmp;

      /* yes, copy G and invmod it */
-      fp_copy(G, &tmp);
+      fp_init_copy(&tmp, G);
      if ((err = fp_invmod(&tmp, P, &tmp)) != FP_OKAY) {
         return err;
      }