From 49b597f07c07bde6a2feb1f32f02fcaf34daf365 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Wed, 11 May 2016 23:36:57 +0200
Subject: prefer_openssl: autodetect whether to use OpenSSL or Go GCM

Go GCM is faster than OpenSSL if the CPU has AES instructions
and you are running Go 1.6+.

The "-openssl" option now defaults to "auto".

"gocryptfs -debug -version" displays the result of the autodetection.

See https://github.com/rfjakob/gocryptfs/issues/23 for details and
benchmarks.
---
 Documentation/MANPAGE.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'Documentation')

diff --git a/Documentation/MANPAGE.md b/Documentation/MANPAGE.md
index 49b3dec..cb725d5 100644
--- a/Documentation/MANPAGE.md
+++ b/Documentation/MANPAGE.md
@@ -96,8 +96,10 @@ continue be printed to stdout and stderr.
 used internally for daemonization.
 
 **-openssl bool**
-:	Use OpenSSL instead of built-in Go crypto (default true). Using
-built-in crypto is 4x slower.
+:	Use OpenSSL instead of built-in Go crypto (default "auto"). Using
+built-in crypto is 4x slower unless you CPU has AES instructions and
+you are using Go 1.6+. In mode "auto", gocrypts chooses the faster
+option.
 
 **-passwd**
 :	Change password
-- 
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