First attempt to unzip the GPG-encrypted files

Author: ibell

.github/workflows/decrypt.yml

@@ -0,0 +1,27 @@
+name: Testing decryption
+
+on:
+  push:
+    branches: [ 'main']
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ 'main']
+  #schedule:
+  #  - cron: '15 8 * * 3' # Run weekly
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Test decryption of zip
+      shell: bash
+      run: |
+        set -x
+        gpg --quiet --batch --yes --decrypt --passphrase="$REFPROP_GPG_PASSPHRASE" --output REFPROP.zip REFPROP.zip.gpg
+      env:
+          REFPROP_GPG_PASSPHRASE: ${{ secrets.REFPROP_GPG_PASSPHRASE }}
+        

README.md

@@ -1,13 +1,19 @@
-Following the instructions from https://docs.github.com/en/actions/security-for-github-actions/security-guides/using-secrets-in-github-actions, a zip file called REFPROP.zip is placed in this repo containing the folders ``MIXTURES``, ``FLUIDS``, and ``FORTRAN`` 
+Following the instructions from https://docs.github.com/en/actions/security-for-github-actions/security-guides/using-secrets-in-github-actions, a zip file called ``REFPROP.zip`` is placed in this repo containing the folders ``MIXTURES``, ``FLUIDS``, and ``FORTRAN`` 
+
+## Preparation
 
 On windows, to get gpg via chocolatey:
 ```
 choco install gpg4win
 ```
-then
+, then restart restart the shell.
 
-```
+## Encryption
 
+Execute:
+```
+gpg --symmetric --cipher-algo AES256 REFPROP.zip
 ```
+which generates the encrypted file ``REFPROP.zip.gpg``. Generate an uncrackable password, and store that password somewhere safe. That will be used to decrypt the source
 
-8kmzekgwdkmg6roduoxp4bbcep5xiy
+##