From 24bb28a517b1500bc1f5355083d68a152c6e7e96 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Tue, 24 Aug 2021 14:05:52 +0200
Subject: MANPAGE: add -xchacha

---
 Documentation/MANPAGE.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'Documentation')

diff --git a/Documentation/MANPAGE.md b/Documentation/MANPAGE.md
index 6cbf9d4..b9aa51b 100644
--- a/Documentation/MANPAGE.md
+++ b/Documentation/MANPAGE.md
@@ -100,9 +100,11 @@ Available options for `-init` are listed below. Usually, you don't need any.
 Defaults are fine.
 
 #### -aessiv
-Use the AES-SIV encryption mode. This is slower than GCM but is
+Use the AES-SIV encryption mode. This is slower than AES-GCM but is
 secure with deterministic nonces as used in "-reverse" mode.
 
+Run `gocryptfs -speed` to find out if and how much slower.
+
 #### -deterministic-names
 Disable file name randomisation and creation of `gocryptfs.diriv` files.
 This can prevent sync conflicts conflicts when synchronising files, but
@@ -142,6 +144,12 @@ Setting this to a lower
 value speeds up mounting and reduces its memory needs, but makes
 the password susceptible to brute-force attacks. The default is 16.
 
+#### -xchacha
+Use XChaCha20-Poly1305 file content encryption. This should be much faster
+than AES-GCM on CPUs that lack AES acceleration.
+
+Run `gocryptfs -speed` to find out if and how much faster.
+
 MOUNT OPTIONS
 =============
 
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