From 9feb2a8b377205ff8ab0f947ee511ec1fde5b9e7 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 3 Jan 2021 15:27:06 +0100
Subject: crxid: initial commit

Based on https://github.com/dsoprea/ChromeIdGenerator/blob/master/README.txt
---
 crxid | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 crxid

diff --git a/crxid b/crxid
new file mode 100755
index 0000000..7c0236c
--- /dev/null
+++ b/crxid
@@ -0,0 +1,23 @@
+#! /bin/sh
+# Get CRX id from RSA key
+# usage: crxid PEM_FILE
+
+set -efu
+
+pem_path=$1
+
+digest=$(
+  openssl rsa  -in "$pem_path" -pubout -outform der 2>/dev/null |
+  openssl dgst -sha256 -hex |
+  sed 's/^(stdin)= //;s/.*/\U&/'
+)
+
+script="
+  obase=16;
+  ibase=16;
+  ascii_a=61;
+  $(echo $digest | cut -b-32 | sed 's/./ascii_a + &;/g')
+"
+
+echo "$script" | bc | xxd -r -p
+echo
-- 
cgit v1.2.3