gdsa: Fix the conversion of hashes to integers to conform to the spec.

[u/mdw/catacomb] / dsa-sign.c

diff --git a/dsa-sign.c b/dsa-sign.c
index c4117bc..9d30dd9 100644 (file)
--- a/dsa-sign.c
+++ b/dsa-sign.c
@@ -106,7 +106,7 @@ void dsa_sign(dsa_param *dp, mp *a,
              const void *m, size_t msz, const void *k, size_t ksz,
              void *r, size_t rsz, void *s, size_t ssz)
 {
              const void *m, size_t msz, const void *k, size_t ksz,
              void *r, size_t rsz, void *s, size_t ssz)
 {

-  mp *mm = mp_loadb(MP_NEW, m, msz);
+  mp *mm = dsa_h2n(MP_NEW, dp->q, m, msz);

   mp *km = mp_loadb(MP_NEW, k, ksz);
   mp *rm = MP_NEW, *sm = MP_NEW;
   dsa_mksig(dp, a, mm, km, &rm, &sm);
   mp *km = mp_loadb(MP_NEW, k, ksz);
   mp *rm = MP_NEW, *sm = MP_NEW;
   dsa_mksig(dp, a, mm, km, &rm, &sm);