// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package poly1305 implements Poly1305 one-time message authentication code as
// specified in https://cr.yp.to/mac/poly1305-20050329.pdf.
//
// Poly1305 is a fast, one-time authentication function. It is infeasible for an
// attacker to generate an authenticator for a message without the key. However, a

				}
			}

		case "lookup":
			// OpenBSD option:
			// https://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man5/resolv.conf.5
			// "the legal space-separated values are: bind, file, yp"
			conf.lookup = f[1:]

		default:
			conf.unknownOpt = true
		}
	}
	if len(conf.servers) == 0 {
		conf.servers = defaultNS
	}
	if len(conf.search) == 0 {
		conf.search = dnsDefaultSearch()

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

// ChaCha8 is ChaCha with 8 rounds.
// See https://cr.yp.to/chacha/chacha-20080128.pdf.
// See chacha8_generic.go for additional details.

// ROL rotates the uint32s in register R left by N bits, using temporary T.
#define ROL(N, R, T) \

000000a0  d6 7b 40 04 27 40 6f cc  d7 af 68 fb 32 49 6c 4f  |.{@.'@o...h.2IlO|
000000b0  f3 01 bf 17 03 03 00 1d  99 10 78 bc fa 7e 8a 86  |..........x..~..|
000000c0  4c b8 e4 7c e2 79 70 eb  ad 33 44 e1 ab 7a c9 ae  |L..|.yp..3D..z..|
000000d0  47 fe 39 50 d1 15 03 03  00 12 9e 9a be b0 55 c3  |G.9P..........U.|

// Copyright 2023 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.

// ChaCha8 is ChaCha with 8 rounds.
// See https://cr.yp.to/chacha/chacha-20080128.pdf.
//
// ChaCha8 operates on a 4x4 matrix of uint32 values, initially set to:
//
//	const1 const2 const3 const4
//	seed   seed   seed   seed
//	seed   seed   seed   seed
//	counter64     0      0
//

00000100  38 15 b1 37 ca 8d 38 58  5b 8d c6 7f 01 98 f1 98  |8..7..8X[.......|
00000110  3b 33 47 44 b5 47 d3 84  d4 96 bd 48 58 3f 62 86  |;3GD.G.....HX?b.|
00000120  2a 50 18 8d 64 7c 8d 79  70 3d c1 4f 8a 0a 40 09  |*P..d|.yp=.O..@.|
00000130  54 7d bf 8a b6 86 12 c8  d8 bd 7a c9 ff 2c 6a b1  |T}........z..,j.|
00000140  20 a1 c1 90 4b 7a bc 4f  43 b4 f5 bd b6 1d cb de  | ...Kz.OC.......|