vendor/libsodium/src/libsodium/crypto_scalarmult/curve25519/sandy2x/curve25519_sandy2x.c in rbnacl-libsodium-1.0.15.1 vs vendor/libsodium/src/libsodium/crypto_scalarmult/curve25519/sandy2x/curve25519_sandy2x.c in rbnacl-libsodium-1.0.16

@@ -23,26 +23,26 @@
 
 static int
 crypto_scalarmult_curve25519_sandy2x(unsigned char *q, const unsigned char *n,
                                      const unsigned char *p)
 {
-  unsigned char e[32];
-  unsigned int i;
+  unsigned char *t = q;
+  fe             var[3];
+  fe51           x_51;
+  fe51           z_51;
+  unsigned int   i;
 
-  fe var[3];
+  for (i = 0; i < 32; i++) {
+      t[i] = n[i];
+  }
+  t[0] &= 248;
+  t[31] &= 127;
+  t[31] |= 64;
 
-  fe51 x_51;
-  fe51 z_51;
-
-  for (i = 0;i < 32;++i) e[i] = n[i];
-  e[0] &= 248;
-  e[31] &= 127;
-  e[31] |= 64;
-
   fe_frombytes(x1, p);
 
-  ladder(var, e);
+  ladder(var, t);
 
   z_51.v[0] = (z2[1] << 26) + z2[0];
   z_51.v[1] = (z2[3] << 26) + z2[2];
   z_51.v[2] = (z2[5] << 26) + z2[4];
   z_51.v[3] = (z2[7] << 26) + z2[6];
@@ -69,23 +69,23 @@
 
 static int
 crypto_scalarmult_curve25519_sandy2x_base(unsigned char *q,
                                           const unsigned char *n)
 {
-  unsigned char e[32];
-  unsigned int i;
+  unsigned char *t = q;
+  fe             var[3];
+  fe51           x_51;
+  fe51           z_51;
+  unsigned int   i;
 
-  fe var[3];
+  for (i = 0;i < 32; i++) {
+      t[i] = n[i];
+  }
+  t[0] &= 248;
+  t[31] &= 127;
+  t[31] |= 64;
 
-  fe51 x_51;
-  fe51 z_51;
-
-  for (i = 0;i < 32;++i) e[i] = n[i];
-  e[0] &= 248;
-  e[31] &= 127;
-  e[31] |= 64;
-
-  ladder_base(var, e);
+  ladder_base(var, t);
 
   z_51.v[0] = (z2[1] << 26) + z2[0];
   z_51.v[1] = (z2[3] << 26) + z2[2];
   z_51.v[2] = (z2[5] << 26) + z2[4];
   z_51.v[3] = (z2[7] << 26) + z2[6];