From e41dbc3ddbe30a414e73fa25d9c7c304ffe6989e Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 9 Feb 2022 04:04:36 +0100
Subject: Add support for wireless pairing

---
 3rd_party/ed25519/keypair.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 3rd_party/ed25519/keypair.c

(limited to '3rd_party/ed25519/keypair.c')

diff --git a/3rd_party/ed25519/keypair.c b/3rd_party/ed25519/keypair.c
new file mode 100644
index 0000000..dc1b8ec
--- /dev/null
+++ b/3rd_party/ed25519/keypair.c
@@ -0,0 +1,16 @@
+#include "ed25519.h"
+#include "sha512.h"
+#include "ge.h"
+
+
+void ed25519_create_keypair(unsigned char *public_key, unsigned char *private_key, const unsigned char *seed) {
+    ge_p3 A;
+
+    sha512(seed, 32, private_key);
+    private_key[0] &= 248;
+    private_key[31] &= 63;
+    private_key[31] |= 64;
+
+    ge_scalarmult_base(&A, private_key);
+    ge_p3_tobytes(public_key, &A);
+}
-- 
cgit v1.1-32-gdbae