diff --git a/oni/home/config/rincewind.scm b/oni/home/config/rincewind.scm
index a0e0b05..d198ab5 100644
--- a/oni/home/config/rincewind.scm
+++ b/oni/home/config/rincewind.scm
@@ -89,7 +89,8 @@
                           home-emacs-eros-service-type
                           home-emacs-ace-link-service-type
                           home-emacs-ace-link-configuration
-                          home-emacs-golden-ratio-service-type))
+                          home-emacs-golden-ratio-service-type
+                          home-emacs-pinentry-service-type))
   #:use-module ((oni home services environment)
                 #:select (home-environment-service))
   #:use-module ((oni home services flameshot)
@@ -447,6 +448,7 @@
              (goto-address-key "C-S-e")
              (org-mode-key "C-S-e")))
    (service home-emacs-golden-ratio-service-type)
+   (service home-emacs-pinentry-service-type)
 
    (service home-flameshot-service-type)
 
diff --git a/oni/home/services/emacs.scm b/oni/home/services/emacs.scm
index 12c62d7..7e6ebad 100644
--- a/oni/home/services/emacs.scm
+++ b/oni/home/services/emacs.scm
@@ -13,7 +13,8 @@
                 #:select (emacs-helpful
                           emacs-dashboard
                           emacs-eros
-                          emacs-ace-link))
+                          emacs-ace-link
+                          emacs-pinentry))
   #:use-module ((gnu home services)
                 #:select (service-type
                           service-extension
@@ -52,10 +53,15 @@
             home-emacs-ace-link-configuration
 
             home-emacs-golden-ratio-service-type
-            home-emacs-golden-ratio-configuration))
+            home-emacs-golden-ratio-configuration
+
+            home-emacs-pinentry-service-type
+            home-emacs-pinentry-configuration))
 
 (define-maybe string)
 
+;;; Emacs
+
 (define-configuration/no-serialization home-emacs-extension
   (configurations
    (text-config '())
@@ -116,6 +122,8 @@
    (default-value (home-emacs-configuration))
    (description "Install and configure Emacs.")))
 
+;;; Emacs Helpful
+
 (define-configuration/no-serialization home-emacs-helpful-configuration
   (package
     (package emacs-helpful)
@@ -145,6 +153,8 @@
    (default-value (home-emacs-helpful-configuration))
    (description "Install and configure emacs-helpful.")))
 
+;;; Emacs Yasnippet Capf
+
 (define-configuration/no-serialization home-emacs-yasnippet-capf-configuration
   (package
     (package emacs-yasnippet-capf)
@@ -178,6 +188,8 @@
    (default-value (home-emacs-yasnippet-capf-configuration))
    (description "Install and configure emacs-yasnippet-capf.")))
 
+;;; Emacs Dashboard
+
 (define-configuration/no-serialization home-emacs-dashboard-configuration
   (package
     (package emacs-dashboard)
@@ -212,6 +224,7 @@
    (default-value (home-emacs-dashboard-configuration))
    (description "Install and configure emacs-dashboard.")))
 
+;;; Emacs Eros
 
 (define-configuration/no-serialization home-emacs-eros-configuration
   (package
@@ -246,13 +259,15 @@
    (default-value (home-emacs-eros-configuration))
    (description "Install and configure emacs-eros.")))
 
+;;; Emacs Ace Link
+
 (define-configuration/no-serialization home-emacs-ace-link-configuration
   (package
     (package emacs-ace-link)
     "Package to use for setting emacs-ace-link.")
   (default-key
-   (string "o")
-   "Key to use as the default keybinding.")
+    (string "o")
+    "Key to use as the default keybinding.")
   (goto-address-key
    maybe-string
    "Key to use (if any) to bind with goto-address-mode.")
@@ -303,6 +318,8 @@
    (default-value (home-emacs-ace-link-configuration))
    (description "Install and configure emacs-ace-link.")))
 
+;;; Emacs Golden Ratio
+
 (define-configuration/no-serialization home-emacs-golden-ratio-configuration
   (package
     (package emacs-golden-ratio)
@@ -339,3 +356,45 @@
    (compose identity)
    (default-value (home-emacs-golden-ratio-configuration))
    (description "Install and configure emacs-golden-ratio.")))
+
+;;; Emacs Pinentry
+
+(define-configuration/no-serialization home-emacs-pinentry-configuration
+  (package
+    (package emacs-pinentry)
+    "Package to use for setting emacs-pinentry.")
+  (auto-start?
+   (boolean #t)
+   "Should Emacs pinentry be enabled automatically?")
+  (extra-content
+   (text-config '())
+   "Extra content for emacs-pinentry configuration."))
+
+(define (add-emacs-pinentry-configuration config)
+  (home-emacs-extension
+   (configurations
+    (append
+     (list (mixed-text-file "pinentry-config"
+                            ";;;;; pinentry-config starts here.\n"
+                            (if (home-emacs-pinentry-configuration-auto-start? config)
+                                "(pinentry-start)\n"
+                                "")
+                            ";;;;; pinentry-config ends here.\n"))
+     (home-emacs-pinentry-configuration-extra-content config)))))
+
+(define (add-emacs-pinentry-packages config)
+  (list (home-emacs-pinentry-configuration-package config)))
+
+(define home-emacs-pinentry-service-type
+  (service-type
+   (name 'home-emacs-pinentry)
+   (extensions
+    (list (service-extension
+           home-emacs-service-type
+           add-emacs-pinentry-configuration)
+          (service-extension
+           home-profile-service-type
+           add-emacs-pinentry-packages)))
+   (compose identity)
+   (default-value (home-emacs-pinentry-configuration))
+   (description "Install and configure emacs-pinentry.")))