feat(flows_cred): Bash script to decrypt

!1

decrypt-flows-cred.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Description:
+#     Decrypt flows_cred.json from the specified directory. You will be prompted for the decryption password.
+#
+# Usage:
+#     ./decrypt-flows-cred.sh {path to cred file, if PWD use '.'}
+#
+# Changelog:
+#     2023-08-14: Fetched script from original source <https://blog.hugopoi.net/en/2021/12/28/how-to-decrypt-flows_cred-json-from-nodered-data/>
+#                 Credit to the original author/creator.
+#     2023-08-14: Adjusted to prompt for password when running command.
+#
+
+echo -n "Please enter the flows_cred.json decryption key: ";
+read -s PASSWORD
+echo.
+
+jq  '.["$"]' -j $1/flows_cred.json | \
+  cut -c 33- | \
+  openssl enc -aes-256-ctr -d -base64 -A -iv `jq  -r '.["$"]' $1/flows_cred.json | cut -c 1-32` -K `echo -n $PASSWORD | sha256sum | cut -c 1-64`