Move Server and Key to new sub-package

server/pool.go

@@ -0,0 +1,21 @@
+package server
+
+import (
+	"sync"
+
+	"github.com/restic/restic/chunker"
+)
+
+var bufPool = sync.Pool{
+	New: func() interface{} {
+		return make([]byte, chunker.MinSize)
+	},
+}
+
+func getBuf() []byte {
+	return bufPool.Get().([]byte)
+}
+
+func freeBuf(data []byte) {
+	bufPool.Put(data)
+}