1// Copyright 2015 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5// +build arm,!gccgo,!appengine 6 7package poly1305 8 9// This function is implemented in poly1305_arm.s 10 11//go:noescape 12 13func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, key *[32]byte) 14 15// Sum generates an authenticator for m using a one-time key and puts the 16// 16-byte result into out. Authenticating two different messages with the same 17// key allows an attacker to forge messages at will. 18func Sum(out *[16]byte, m []byte, key *[32]byte) { 19 var mPtr *byte 20 if len(m) > 0 { 21 mPtr = &m[0] 22 } 23 poly1305_auth_armv6(out, mPtr, uint32(len(m)), key) 24} 25