From 6cb0aca0bf63dd2de0f40d3b41b71481892be9fc Mon Sep 17 00:00:00 2001
From: Patrick Spek
Date: Fri, 24 Jan 2020 13:48:21 +0100
Subject: Add convenience script for generating certificate fingerprints
---
.local/bin/crt-fp | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100755 .local/bin/crt-fp
(limited to '.local/bin')
diff --git a/.local/bin/crt-fp b/.local/bin/crt-fp
new file mode 100755
index 0000000..a764ba6
--- /dev/null
+++ b/.local/bin/crt-fp
@@ -0,0 +1,72 @@
+#! /usr/bin/env sh
+
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+
+main()
+{
+ # Handle opts
+ opts "$@"
+ shift "$OPTS"
+ unset OPTS
+
+ # Show help
+ [ "$OPT_HELP_ONLY" ] && usage && exit 0
+ [ -z "$1" ] && usage && exit 1
+
+ # Generate fingerprint info for all certificates in question
+ for crt in "$@"
+ do
+ printf "%s: \n" "$crt"
+ for alg in md5 sha1 sha256
+ do
+ printf " %-8s %s\n" "$alg" "$(fingerprint "$alg" "$crt")"
+ done
+ done
+}
+
+fingerprint()
+{
+ openssl x509 -noout -fingerprint "-$1" -inform pem -in "$2" \
+ | awk -F= '{ print $NF }'
+}
+
+opts()
+{
+ OPTS=0
+
+ while getopts ":h" opt
+ do
+ case "$opt" in
+ h) OPT_HELP_ONLY=1 ;;
+ *)
+ printf "Invalid option passed: %s\n" "$OPTARG" >&2
+ ;;
+ esac
+ done
+
+ unset opt
+}
+
+usage()
+{
+ cat <