stupidgcm: detect AES-GCM acceleration like crypto/tls

Instead of just looking for AES, also look for PCLMULQDQ,
like crypto/tls does.

Fixes: https://github.com/rfjakob/gocryptfs/issues/822

1 files changed, 2 insertions, 2 deletions

diff --git a/init_dir.go b/init_dir.go
index 9ba1a01..d79a4b7 100644
--- a/init_dir.go
+++ b/init_dir.go
@@ -68,9 +68,9 @@ func initDir(args *argContainer) {
 			tlog.Fatal.Printf("Invalid cipherdir: %v", err)
 			os.Exit(exitcodes.CipherDir)
 		}
-		if !args.xchacha && !stupidgcm.CpuHasAES() {
+		if !args.xchacha && !stupidgcm.HasAESGCMHardwareSupport() {
 			tlog.Info.Printf(tlog.ColorYellow +
-				"Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance." +
+				"Notice: Your CPU does not have AES-GCM acceleration. Consider using -xchacha for better performance." +
 				tlog.ColorReset)
 		}
 	}