Use X64 ASM ed25519 signatures on Linux/x64, which are about 10X faster. Will matter a lot for network controllers, not so much for other things.

2018-03-13 06:51:17 -07:00
parent a59912f3af
commit beb170e4fb
68 changed files with 37123 additions and 68 deletions
--- a/ext/ed25519-amd64-asm/fe25519_iszero.c
+++ b/ext/ed25519-amd64-asm/fe25519_iszero.c
@@ -0,0 +1,12 @@
+#include "fe25519.h"
+
+int fe25519_iszero_vartime(const fe25519 *x)
+{
+  fe25519 t = *x;
+  fe25519_freeze(&t);
+  if (t.v[0]) return 0;
+  if (t.v[1]) return 0;
+  if (t.v[2]) return 0;
+  if (t.v[3]) return 0;
+  return 1;
+}