From c0766d32115ef8b5e92608555fad55a3618b69da Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Mon, 7 Apr 2025 14:32:41 +0800
Subject: frnt logic for radio comms.

---
 lock/util.c | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 lock/util.c

(limited to 'lock/util.c')

diff --git a/lock/util.c b/lock/util.c
new file mode 100644
index 0000000..e9a7a5a
--- /dev/null
+++ b/lock/util.c
@@ -0,0 +1,9 @@
+#include "util.h"
+
+void xor(const char *k, const char *s, char *d, int n)
+{
+	int i;
+
+	for (i = 0; i < n; i++)
+		d[i] = s[i] ^ k[i];
+}
-- 
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