1 files changed, 0 insertions, 43 deletions
diff --git a/vendor/golang.org/x/crypto/internal/chacha20/xor.go b/vendor/golang.org/x/crypto/internal/chacha20/xor.go
deleted file mode 100644
index 9c5ba0b..0000000
--- a/vendor/golang.org/x/crypto/internal/chacha20/xor.go
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found src the LICENSE file.
-
-package chacha20
-
-import (
-	"runtime"
-)
-
-// Platforms that have fast unaligned 32-bit little endian accesses.
-const unaligned = runtime.GOARCH == "386" ||
-	runtime.GOARCH == "amd64" ||
-	runtime.GOARCH == "arm64" ||
-	runtime.GOARCH == "ppc64le" ||
-	runtime.GOARCH == "s390x"
-
-// xor reads a little endian uint32 from src, XORs it with u and
-// places the result in little endian byte order in dst.
-func xor(dst, src []byte, u uint32) {
-	_, _ = src[3], dst[3] // eliminate bounds checks
-	if unaligned {
-		// The compiler should optimize this code into
-		// 32-bit unaligned little endian loads and stores.
-		// TODO: delete once the compiler does a reliably
-		// good job with the generic code below.
-		// See issue #25111 for more details.
-		v := uint32(src[0])
-		v |= uint32(src[1]) << 8
-		v |= uint32(src[2]) << 16
-		v |= uint32(src[3]) << 24
-		v ^= u
-		dst[0] = byte(v)
-		dst[1] = byte(v >> 8)
-		dst[2] = byte(v >> 16)
-		dst[3] = byte(v >> 24)
-	} else {
-		dst[0] = src[0] ^ byte(u)
-		dst[1] = src[1] ^ byte(u>>8)
-		dst[2] = src[2] ^ byte(u>>16)
-		dst[3] = src[3] ^ byte(u>>24)
-	}
-}