From 8be54bf3f8c011f2d0635017f01883af6563b482 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sat, 10 Dec 2016 21:04:17 +0100
Subject: prefer_openssl: default to Go GCM on OSX

---
 internal/prefer_openssl/prefer.go       | 5 -----
 internal/prefer_openssl/prefer_go1.6.go | 8 ++++++++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/internal/prefer_openssl/prefer.go b/internal/prefer_openssl/prefer.go
index e06f0d5..74c26b7 100644
--- a/internal/prefer_openssl/prefer.go
+++ b/internal/prefer_openssl/prefer.go
@@ -5,7 +5,6 @@ package prefer_openssl
 import (
 	"io/ioutil"
 	"regexp"
-	"runtime"
 
 	"github.com/rfjakob/gocryptfs/internal/tlog"
 )
@@ -19,10 +18,6 @@ import (
 // filePreferOpenSSL takes an explicit filename so it can be tested with saved
 // cpuinfo files instead of /proc/cpuinfo.
 func filePreferOpenSSL(file string) bool {
-	if runtime.GOOS == "darwin" && file == "/proc/cpuinfo" {
-		// OSX does not have /proc, let's not warn about it.
-		return true
-	}
 	ci, err := ioutil.ReadFile(file)
 	if err != nil {
 		return true
diff --git a/internal/prefer_openssl/prefer_go1.6.go b/internal/prefer_openssl/prefer_go1.6.go
index a5a67fb..e69da39 100644
--- a/internal/prefer_openssl/prefer_go1.6.go
+++ b/internal/prefer_openssl/prefer_go1.6.go
@@ -4,6 +4,8 @@
 package prefer_openssl
 
 import (
+	"runtime"
+
 	"github.com/rfjakob/gocryptfs/internal/stupidgcm"
 )
 
@@ -17,5 +19,11 @@ func PreferOpenSSL() bool {
 	if stupidgcm.BuiltWithoutOpenssl {
 		return false
 	}
+	if runtime.GOOS == "darwin" {
+		// OSX does not have /proc/cpuinfo, let's just assume the CPU has AES
+		// acceleration. Virtually all Macs that are running today have it I
+		// guess?
+		return false
+	}
 	return filePreferOpenSSL("/proc/cpuinfo")
 }
-- 
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