1 files changed, 0 insertions, 55 deletions
diff --git a/backend_nonce.go b/backend_nonce.go
deleted file mode 100644
index 835a80f..0000000
--- a/backend_nonce.go
+++ /dev/null
@@ -1,55 +0,0 @@
-package gocryptfs
-
-import (
-	"encoding/binary"
-	"encoding/hex"
-	"sync"
-	"crypto/rand"
-)
-
-type nonce96 struct {
-	lock sync.Mutex
-	high32 uint32
-	low64 uint64
-	ready int
-}
-
-var gcmNonce nonce96
-
-func (n *nonce96) randBytes(len int) []byte {
-	b := make([]byte, len)
-	_, err := rand.Read(b)
-	if err != nil {
-		panic("Could not get random bytes for nonce")
-	}
-	return b
-}
-
-func (n *nonce96) init() {
-	b := n.randBytes(8)
-	n.low64 = binary.BigEndian.Uint64(b)
-	b = n.randBytes(4)
-	n.high32 = binary.BigEndian.Uint32(b)
-	n.ready = 1
-	return
-}
-
-func (n *nonce96) Get() []byte {
-	n.lock.Lock()
-	if n.ready == 0 {
-		n.init()
-	}
-	n.low64++
-	if n.low64 == 0 {
-		// Counter has wrapped
-		n.high32++
-	}
-	r := make([]byte, 12)
-	binary.BigEndian.PutUint32(r[0:4], n.high32)
-	binary.BigEndian.PutUint64(r[4:12], n.low64)
-	n.lock.Unlock()
-
-	debug.Printf("nonce96.Get(): %s\n", hex.EncodeToString(r))
-
-	return r
-}