diff options
author | Niall Sheridan <nsheridan@gmail.com> | 2018-08-23 22:51:21 +0100 |
---|---|---|
committer | Niall Sheridan <nsheridan@gmail.com> | 2018-08-24 13:45:03 +0100 |
commit | f8e3dea19012ccf05965d10255789eec33c2ebcf (patch) | |
tree | 8522ceada8bc7270648f29615b89550db910cb6c /vendor/golang.org/x/crypto/internal/subtle | |
parent | 91f9bc722152146466523861162b85195f99875b (diff) |
Update deps
Diffstat (limited to 'vendor/golang.org/x/crypto/internal/subtle')
-rw-r--r-- | vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go b/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go deleted file mode 100644 index 0cc4a8a..0000000 --- a/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go +++ /dev/null @@ -1,35 +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 in the LICENSE file. - -// +build appengine - -// Package subtle implements functions that are often useful in cryptographic -// code but require careful thought to use correctly. -package subtle // import "golang.org/x/crypto/internal/subtle" - -// This is the Google App Engine standard variant based on reflect -// because the unsafe package and cgo are disallowed. - -import "reflect" - -// AnyOverlap reports whether x and y share memory at any (not necessarily -// corresponding) index. The memory beyond the slice length is ignored. -func AnyOverlap(x, y []byte) bool { - return len(x) > 0 && len(y) > 0 && - reflect.ValueOf(&x[0]).Pointer() <= reflect.ValueOf(&y[len(y)-1]).Pointer() && - reflect.ValueOf(&y[0]).Pointer() <= reflect.ValueOf(&x[len(x)-1]).Pointer() -} - -// InexactOverlap reports whether x and y share memory at any non-corresponding -// index. The memory beyond the slice length is ignored. Note that x and y can -// have different lengths and still not have any inexact overlap. -// -// InexactOverlap can be used to implement the requirements of the crypto/cipher -// AEAD, Block, BlockMode and Stream interfaces. -func InexactOverlap(x, y []byte) bool { - if len(x) == 0 || len(y) == 0 || &x[0] == &y[0] { - return false - } - return AnyOverlap(x, y) -} |