Drop Go 1.4 compatability code everywhere

Yields a nice reduction in code size.

1 files changed, 0 insertions, 29 deletions

diff --git a/internal/cryptocore/gcm_go1.4.go b/internal/cryptocore/gcm_go1.4.go
deleted file mode 100644
index c1aa488..0000000
--- a/internal/cryptocore/gcm_go1.4.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// +build !go1.5
-// = go 1.4 or lower
-
-package cryptocore
-
-import (
-	"crypto/cipher"
-	"fmt"
-
-	"github.com/rfjakob/gocryptfs/internal/tlog"
-)
-
-const (
-	// HaveModernGoGCM indicates if Go GCM supports 128-bit nonces
-	HaveModernGoGCM = false
-)
-
-// goGCMWrapper - This wrapper makes sure gocryptfs can be compiled on Go
-// versions 1.4 and lower that lack NewGCMWithNonceSize().
-// 128 bit GCM IVs will not work when using built-in Go crypto, obviously, when
-// compiled on 1.4.
-func goGCMWrapper(bc cipher.Block, nonceSize int) (cipher.AEAD, error) {
-	if nonceSize != 12 {
-		tlog.Warn.Printf("128 bit GCM IVs are not supported by Go 1.4 and lower.")
-		tlog.Warn.Printf("Please use openssl crypto or recompile using a newer Go runtime.")
-		return nil, fmt.Errorf("128 bit GCM IVs are not supported by Go 1.4 and lower")
-	}
-	return cipher.NewGCM(bc)
-}