From 1793f5c4baa091941a8f85db756f6035c743ee5a Mon Sep 17 00:00:00 2001
From: Tim Gover <tim.gover@raspberrypi.com>
Date: Thu, 21 Aug 2025 18:51:35 +0100
Subject: [PATCH] rpi-otp-private-key: Fix missing escape character in usage
 text

---
 tools/rpi-otp-private-key | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/rpi-otp-private-key b/tools/rpi-otp-private-key
index 22b9a13..df9ba17 100755
--- a/tools/rpi-otp-private-key
+++ b/tools/rpi-otp-private-key
@@ -47,7 +47,7 @@ usage() {
    openssl ec -in private_key.pem -text -noout | awk '/priv:/{flag=1; next} /pub:/{flag=0} flag' | tr -d ' \n:' | head -n1 > d.hex
 
    # Write the key to OTP
-   rpi-otp-private-key -w $(cat d.hex)
+   rpi-otp-private-key -w \$(cat d.hex)
 
    IMPORTANT: Raspberry Pi 5 and earlier revisions do not have a hardware secure key store
    so the raw OTP values are potentially readable by processes with root-privileges.