Committing vendored dependencies and generated protos
Change-Id: I349c149b513d9de7d9f60bde2c954a939da2fc54
diff --git a/vendor/github.com/aead/cmac/xor_amd64.go b/vendor/github.com/aead/cmac/xor_amd64.go
new file mode 100644
index 0000000..3326a89
--- /dev/null
+++ b/vendor/github.com/aead/cmac/xor_amd64.go
@@ -0,0 +1,30 @@
+// Copyright (c) 2016 Andreas Auernhammer. All rights reserved.
+// Use of this source code is governed by a license that can be
+// found in the LICENSE file.
+
+// +build amd64, !gccgo, !appengine
+
+package cmac
+
+import "unsafe"
+
+const wordSize = int(unsafe.Sizeof(uintptr(0)))
+
+// xor xors the bytes in dst with src and writes the result to dst.
+// The destination is assumed to have enough space.
+func xor(dst, src []byte) {
+ n := len(src)
+
+ w := n / wordSize
+ if w > 0 {
+ dstPtr := *(*[]uintptr)(unsafe.Pointer(&dst))
+ srcPtr := *(*[]uintptr)(unsafe.Pointer(&src))
+ for i, v := range srcPtr[:w] {
+ dstPtr[i] ^= v
+ }
+ }
+
+ for i := (n & (^(wordSize - 1))); i < n; i++ {
+ dst[i] ^= src[i]
+ }
+}