diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/poly1305/sum_amd64.go')
-rw-r--r-- | vendor/golang.org/x/crypto/poly1305/sum_amd64.go | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go b/vendor/golang.org/x/crypto/poly1305/sum_amd64.go deleted file mode 100644 index 6d522333..00000000 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go +++ /dev/null @@ -1,48 +0,0 @@ -// Copyright 2012 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. - -//go:build gc && !purego -// +build gc,!purego - -package poly1305 - -//go:noescape -func update(state *macState, msg []byte) - -// mac is a wrapper for macGeneric that redirects calls that would have gone to -// updateGeneric to update. -// -// Its Write and Sum methods are otherwise identical to the macGeneric ones, but -// using function pointers would carry a major performance cost. -type mac struct{ macGeneric } - -func (h *mac) Write(p []byte) (int, error) { - nn := len(p) - if h.offset > 0 { - n := copy(h.buffer[h.offset:], p) - if h.offset+n < TagSize { - h.offset += n - return nn, nil - } - p = p[n:] - h.offset = 0 - update(&h.macState, h.buffer[:]) - } - if n := len(p) - (len(p) % TagSize); n > 0 { - update(&h.macState, p[:n]) - p = p[n:] - } - if len(p) > 0 { - h.offset += copy(h.buffer[h.offset:], p) - } - return nn, nil -} - -func (h *mac) Sum(out *[16]byte) { - state := h.macState - if h.offset > 0 { - update(&state, h.buffer[:h.offset]) - } - finalize(out, &state.h, &state.s) -} |