From 05dccfb509994792f7d3e0c1143f1dfea8a32d5a Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sun, 31 May 2020 14:17:10 +0200
Subject: Add gpg symmetric stuff

---
 gpg.md | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'gpg.md')

diff --git a/gpg.md b/gpg.md
index 2956dab..00a6850 100644
--- a/gpg.md
+++ b/gpg.md
@@ -1,9 +1,28 @@
 # GPG Crypto
 
-## Encrypt file with passphrase
+## General options
+
+* `--armor` or `-a`: ASCII armor, output is printable ASCII
+* `--local-user` or `-u`: specify which ID to use
+
+## Symmetric encryption
+
+### Encrypt file with passphrase
 
     gpg --symmetric <file>
 
+Add `--armor` to make it readable-ASCII encoded.
+
 ### Decrypt
 
     gpg --output <out-file> --decrypt <in-file>
+
+## Export private key
+
+    gpg --armor --export-secret-keys <ID>
+
+`--armor` makes it readable-ASCII encoded.
+
+## Asymmetric crypto
+
+    gpg --encrypt [--sign] [-u USER] file
-- 
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