OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	12/01/2022 06:13:56 PM	rwxr-xr-x
📄 bits_compat.go	956 bytes	12/01/2022 06:13:01 PM	rw-r--r--
📄 bits_go1.13.go	501 bytes	12/01/2022 06:13:01 PM	rw-r--r--
📄 mac_noasm.go	312 bytes	12/01/2022 06:13:01 PM	rw-r--r--
📄 poly1305.go	3.31 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_amd64.go	1.11 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_amd64.s	2.51 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_generic.go	9.52 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_ppc64le.go	1.11 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_ppc64le.s	3.3 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_s390x.go	2 KB	12/01/2022 06:13:01 PM	rw-r--r--
📄 sum_s390x.s	17.47 KB	12/01/2022 06:13:01 PM	rw-r--r--

Editing: sum_amd64.go

// 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)
}