all: go fmt ./...

Make all our package sources use Go 1.17 gofmt format
(adding //go:build lines).

Not strictly necessary but will avoid spurious changes
as files are edited.

Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild

Change-Id: I70526bf588bf4078887e567795867ece785d666b
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/294415
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

acme/version_go112.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.12
 // +build go1.12
 
 package acme

argon2/blamka_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && gc && !purego
 // +build amd64,gc,!purego
 
 package argon2

argon2/blamka_ref.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || purego || !gc
 // +build !amd64 purego !gc
 
 package argon2

blake2b/blake2bAVX2_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.7 && amd64 && gc && !purego
 // +build go1.7,amd64,gc,!purego
 
 package blake2b

blake2b/blake2b_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !go1.7 && amd64 && gc && !purego
 // +build !go1.7,amd64,gc,!purego
 
 package blake2b

blake2b/blake2b_ref.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || purego || !gc
 // +build !amd64 purego !gc
 
 package blake2b

blake2b/register.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.9
 // +build go1.9
 
 package blake2b

blake2s/blake2s_386.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build 386 && gc && !purego
 // +build 386,gc,!purego
 
 package blake2s

blake2s/blake2s_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && gc && !purego
 // +build amd64,gc,!purego
 
 package blake2s

blake2s/blake2s_ref.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (!amd64 && !386) || !gc || purego
 // +build !amd64,!386 !gc purego
 
 package blake2s

blake2s/register.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.9
 // +build go1.9
 
 package blake2s

chacha20/chacha_arm64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.11 && gc && !purego
 // +build go1.11,gc,!purego
 
 package chacha20

chacha20/chacha_noasm.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (!arm64 && !s390x && !ppc64le) || (arm64 && !go1.11) || !gc || purego
 // +build !arm64,!s390x,!ppc64le arm64,!go1.11 !gc purego
 
 package chacha20

chacha20/chacha_ppc64le.go

@@ -2,6 +2,7 @@
 // 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 chacha20

chacha20/chacha_s390x.go

@@ -2,6 +2,7 @@
 // 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 chacha20

chacha20poly1305/chacha20poly1305_amd64.go

@@ -2,6 +2,7 @@
 // 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 chacha20poly1305

chacha20poly1305/chacha20poly1305_noasm.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || !gc || purego
 // +build !amd64 !gc purego
 
 package chacha20poly1305

curve25519/curve25519_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && gc && !purego
 // +build amd64,gc,!purego
 
 package curve25519

curve25519/curve25519_noasm.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || !gc || purego
 // +build !amd64 !gc purego
 
 package curve25519

ed25519/ed25519.go

@@ -5,6 +5,7 @@
 // In Go 1.13, the ed25519 package was promoted to the standard library as
 // crypto/ed25519, and this package became a wrapper for the standard library one.
 //
+//go:build !go1.13
 // +build !go1.13
 
 // Package ed25519 implements the Ed25519 signature algorithm. See

ed25519/ed25519_go113.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.13
 // +build go1.13
 
 // Package ed25519 implements the Ed25519 signature algorithm. See

ed25519/go113_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.13
 // +build go1.13
 
 package ed25519_test

internal/subtle/aliasing.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !purego
 // +build !purego
 
 // Package subtle implements functions that are often useful in cryptographic

internal/subtle/aliasing_purego.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build purego
 // +build purego
 
 // Package subtle implements functions that are often useful in cryptographic

internal/wycheproof/ecdsa_compat_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !go1.15
 // +build !go1.15
 
 // ecdsa.VerifyASN1 was added in Go 1.15.

internal/wycheproof/ecdsa_go115_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.15
 // +build go1.15
 
 package wycheproof

internal/wycheproof/eddsa_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.13
 // +build go1.13
 
 package wycheproof

ocsp/ocsp_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.7
 // +build go1.7
 
 package ocsp

poly1305/bits_compat.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !go1.13
 // +build !go1.13
 
 package poly1305

poly1305/bits_go1.13.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.13
 // +build go1.13
 
 package poly1305

poly1305/mac_noasm.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (!amd64 && !ppc64le && !s390x) || !gc || purego
 // +build !amd64,!ppc64le,!s390x !gc purego
 
 package poly1305

poly1305/sum_amd64.go

@@ -2,6 +2,7 @@
 // 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

poly1305/sum_ppc64le.go

@@ -2,6 +2,7 @@
 // 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

poly1305/sum_s390x.go

@@ -2,6 +2,7 @@
 // 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

salsa20/salsa/salsa20_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && !purego && gc
 // +build amd64,!purego,gc
 
 package salsa

salsa20/salsa/salsa20_amd64_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && !purego && gc
 // +build amd64,!purego,gc
 
 package salsa

salsa20/salsa/salsa20_noasm.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !amd64 || purego || !gc
 // +build !amd64 purego !gc
 
 package salsa

sha3/hashes_generic.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !gc || purego || !s390x
 // +build !gc purego !s390x
 
 package sha3

sha3/keccakf.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//  +build !amd64 purego !gc
+//go:build !amd64 || purego || !gc
+// +build !amd64 purego !gc
 
 package sha3
 

sha3/keccakf_amd64.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build amd64 && !purego && gc
 // +build amd64,!purego,gc
 
 package sha3

sha3/register.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.4
 // +build go1.4
 
 package sha3

sha3/sha3_s390x.go

@@ -2,6 +2,7 @@
 // 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 sha3

sha3/shake_generic.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !gc || purego || !s390x
 // +build !gc purego !s390x
 
 package sha3

sha3/xor.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (!amd64 && !386 && !ppc64le) || purego
 // +build !amd64,!386,!ppc64le purego
 
 package sha3

sha3/xor_unaligned.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (amd64 || 386 || ppc64le) && !purego
 // +build amd64 386 ppc64le
 // +build !purego
 

ssh/test/agent_unix_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package test

ssh/test/banner_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package test

ssh/test/cert_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package test

ssh/test/dial_unix_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !windows && !solaris && !js
 // +build !windows,!solaris,!js
 
 package test

ssh/test/forward_unix_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package test

ssh/test/multi_auth_test.go

@@ -14,6 +14,7 @@
 // not exist these tests will be skipped. See compile instructions
 // (for linux) in file ./sshd_test_pw.c.
 
+//go:build linux
 // +build linux
 
 package test

ssh/test/session_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !windows && !solaris && !js
 // +build !windows,!solaris,!js
 
 package test

ssh/test/test_unix_test.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || plan9
 // +build aix darwin dragonfly freebsd linux netbsd openbsd plan9
 
 package test