X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/ba6c138883c51f7f14ea09c65159cd63c833574a..HEAD:/pub/rsa-recover.c

diff --git a/pub/rsa-recover.c b/pub/rsa-recover.c
index f852f695..055d969a 100644
--- a/pub/rsa-recover.c
+++ b/pub/rsa-recover.c
@@ -97,7 +97,7 @@ int rsa_recover(rsa_priv *rp)
 
       /* --- Set up for the exponentiation --- */
 
-      mpmont_create(&mm, rp->n);
+      if (mpmont_create(&mm, rp->n)) goto out;
       m1 = mp_sub(m1, rp->n, mm.r);
 
       /* --- Now for the main loop --- *
@@ -116,6 +116,7 @@ int rsa_recover(rsa_priv *rp)
        * is a failure.
        */
 
+      if (i > NPRIME) goto out;
       aw = primetab[i++];
       z = mpmont_mul(&mm, z, &a, mm.r2);
       z = mpmont_expr(&mm, z, z, t);