pub/rsa-recover.c: Fail gracefully if `mpmont_create' fails.

Otherwise we'll crash and burn if, e.g., `n' is even for some reason.

diff --git a/pub/rsa-recover.c b/pub/rsa-recover.c
index f852f69..bc3eda2 100644 (file)
--- 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 --- *