Christopher James Hayward
4 years ago
3 changed files with 126 additions and 128 deletions
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#+TITLE: Encryption |
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#+AUTHOR: Christopher James Hayward |
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#+EMAIL: chris@chrishayward.xyz |
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#+PROPERTY: header-args:emacs-lisp :tangle encryption.el :comments org |
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#+PROPERTY: header-args:shell :tangle no |
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#+PROPERTY: header-args :results silent :eval no-export :comments org |
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#+OPTIONS: num:nil toc:nil todo:nil tasks:nil tags:nil |
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#+OPTIONS: skip:nil author:nil email:nil creator:nil timestamp:nil |
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My source files encrypted with symmetric key encryption via *GPG*[fn:1]. This enables my workflow of storing my personal notes anywhere, including checked in to a public source repository. Emacs can cache the *GPG*[fn:1] password if you trust your session. *Pinentry*[fn:2] handled within Emacs to remain compatible without the [[file:desktop.org][Desktop]] module. |
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* Configuring the gpg-agent |
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:PROPERTIES: |
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:header-args: :tangle ../config/gpg-agent.conf |
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:END: |
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When the *gpg-agent*[fn:1] loads it will read the configuration at ~~/.gnupg/gpg-agent.conf~. Override the default settings to allow Emacs to function as the *Pinentry*[fn:2] application. |
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#+begin_src conf |
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allow-emacs-pinentry |
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allow-loopback-pinentry |
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#+end_src |
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** Restarting the gpg-agent |
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You may need to restart the *gpg-agent*[fn:1] to load the configuration without rebooting. |
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#+begin_src shell |
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gpgconf --reload gpg-agent |
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#+end_src |
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** Creating a symbolic link |
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Create the symbolic link to the configuration file |
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#+begin_src emacs-lisp |
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(dotfiles/symlink "~/.emacs.d/config/gpg-agent.conf" |
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"~/.gnupg/gpg-agent.conf") |
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#+end_src |
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* Setting up pinentry in Emacs |
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With the *Pinentry*[fn:2] package for Emacs prompts will now appear in the minibuffer. |
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#+begin_src emacs-lisp |
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(use-package pinentry |
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:custom (epa-file-select-keys 2) |
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(epa-pinentry-mode 'loopback) |
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(epa-file-encrypt-to dotfiles/public-key) |
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(epa-file-cache-passphrase-for-symmetric-encryption t) |
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:config (pinentry-start)) |
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#+end_src |
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** Including *.gpg files |
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Override ~org-agenda-file-regexp~ to include =.org.gpg= files. |
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#+begin_src emacs-lisp |
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(unless (string-match-p "\\.gpg" org-agenda-file-regexp) |
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(setq org-agenda-file-regexp |
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(replace-regexp-in-string "\\\\\\.org" "\\\\.org\\\\(\\\\.gpg\\\\)?" |
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org-agenda-file-regexp))) |
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#+end_src |
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** Encrypting roam files |
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Irrelevant without the [[file:writing.org][Writing]] module, encrypt new files from capture templates. |
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#+begin_src emacs-lisp |
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(with-eval-after-load 'org-roam |
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(setq org-roam-encrypt-files t)) |
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#+end_src |
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* Managing passwords |
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*Pass*[fn:3] makes managing passwords easy, encrypring them in a file structure and providing easy commands for generating, modify, and copying passwords. *Password-store.el*[fn:4] provides a wrapper for the functionality within Emacs. |
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#+begin_src emacs-lisp |
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(use-package password-store |
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:custom (password-store-dir dotfiles/passwords)) |
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#+end_src |
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Configure keybindings behind =SPC p=. |
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+ Copy with =p= |
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+ Rename with =r= |
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+ Generate with =g= |
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#+begin_src emacs-lisp |
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(dotfiles/leader |
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"p" '(:ignore t :which-key "Passwords") |
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"pp" '(password-store-copy :which-key "Copy") |
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"pr" '(password-store-rename :which-key "Rename") |
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"pg" '(password-store-generate :which-key "Generate")) |
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#+end_src |
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* Resources |
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[fn:1] https://gnupg.org |
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[fn:2] https://elpa.gnu.org/packages/pinentry.html |
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[fn:3] https://passwordstore.org |
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[fn:4] https://git.zx2c4.com/password-store/tree/contrib/emacs |
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