src/crypto/x509/x509_test_import.go

// Copyright 2013 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.

// +build ignore

// This file is run by the x509 tests to ensure that a program with minimal
// imports can sign certificates without errors resulting from missing hash
// functions.
package main

import (
	"crypto/rand"
	"crypto/x509"
	"crypto/x509/pkix"
	"encoding/pem"
	"math/big"
	"strings"
	"time"
)

func main() {
	block, _ := pem.Decode([]byte(pemPrivateKey))
	rsaPriv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
	if err != nil {
		panic("Failed to parse private key: " + err.Error())
	}

	template := x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject: pkix.Name{
			CommonName:   "test",
			Organization: []string{"Σ Acme Co"},
		},
		NotBefore: time.Unix(1000, 0),
		NotAfter:  time.Unix(100000, 0),
		KeyUsage:  x509.KeyUsageCertSign,
	}

	if _, err = x509.CreateCertificate(rand.Reader, &template, &template, &rsaPriv.PublicKey, rsaPriv); err != nil {
		panic("failed to create certificate with basic imports: " + err.Error())
	}
}

var pemPrivateKey = testingKey(`-----BEGIN RSA TESTING KEY-----
MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
/ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
-----END RSA TESTING KEY-----
`)

func testingKey(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") }