math/scaf.c, etc.: Only need 3*NPIECE words of scratch space.

[catacomb] / pub / ed448.c

diff --git a/pub/ed448.c b/pub/ed448.c
index a3a9421..714987f 100644 (file)
--- a/pub/ed448.c
+++ b/pub/ed448.c
@@ -317,7 +317,7 @@ void ed448_sign(octet sig[ED448_SIGSZ],
                const void *m, size_t msz)
 {
   shake_ctx h;
-  scaf_piece a[NPIECE], r[NPIECE], t[NPIECE], scratch[3*NPIECE + 1];
+  scaf_piece a[NPIECE], r[NPIECE], t[NPIECE], scratch[3*NPIECE];
   scaf_dblpiece tt[2*NPIECE];
   fgoldi RX, RY, RZ;
   octet h1[57], pb[PREFIX_BUFSZ], rb[114];
@@ -376,7 +376,7 @@ int ed448_verify(const octet K[ED448_PUBSZ],
                 const octet sig[ED448_SIGSZ])
 {
   shake_ctx h;
-  scaf_piece s[NPIECE], t[NPIECE], scratch[3*NPIECE + 1];
+  scaf_piece s[NPIECE], t[NPIECE], scratch[3*NPIECE];
   scaf_dblpiece tt[2*NPIECE];
   fgoldi AX, AY, AZ, RX, RY, RZ;
   octet b[PREFIX_BUFSZ];