Add the ed25519 ref10 code verbatim from supercop-20140622

We might use libsodium or ed25519-donna later on, but for now, let's
see whether this is fast enough.  We should use it in all cases when
performance doesn't matter.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/ext/ed25519/ref10/ge_p2_0.c b/src/ext/ed25519/ref10/ge_p2_0.c
new file mode 100644
index 0000000000..6191d1e6e4
--- /dev/null
+++ b/src/ext/ed25519/ref10/ge_p2_0.c
@@ -0,0 +1,8 @@
+#include "ge.h"
+
+void ge_p2_0(ge_p2 *h)
+{
+  fe_0(h->X);
+  fe_1(h->Y);
+  fe_1(h->Z);
+}