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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support
Security advisory:
This version has known vulnerabilities.
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Files
c_src/boringssl/crypto/x509/test/make_basic_constraints.go
// Copyright 2020 The BoringSSL Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build ignore
// make_basic_constraints.go generates self-signed certificates with the basic
// constraints extension.
package main
import (
"crypto/ecdsa"
"crypto/rand"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"fmt"
"math/big"
"os"
"time"
)
func main() {
key := ecdsaKeyFromPEMOrPanic(keyPEM)
notBefore, err := time.Parse(time.RFC3339, "2000-01-01T00:00:00Z")
if err != nil {
panic(err)
}
notAfter, err := time.Parse(time.RFC3339, "2100-01-01T00:00:00Z")
if err != nil {
panic(err)
}
baseTemplate := x509.Certificate{
SerialNumber: new(big.Int).SetInt64(1),
Subject: pkix.Name{CommonName: "Basic Constraints"},
NotBefore: notBefore,
NotAfter: notAfter,
SignatureAlgorithm: x509.ECDSAWithSHA256,
}
certs := []struct {
name string
basicConstraintsValid bool
isCA bool
maxPathLen int
maxPathLenZero bool
}{
{name: "none"},
{name: "leaf", basicConstraintsValid: true},
{name: "ca", basicConstraintsValid: true, isCA: true},
{name: "ca_pathlen_0", basicConstraintsValid: true, isCA: true, maxPathLenZero: true},
{name: "ca_pathlen_1", basicConstraintsValid: true, isCA: true, maxPathLen: 1},
{name: "ca_pathlen_10", basicConstraintsValid: true, isCA: true, maxPathLen: 10},
}
for _, cert := range certs {
template := baseTemplate
template.BasicConstraintsValid = cert.basicConstraintsValid
template.IsCA = cert.isCA
template.MaxPathLen = cert.maxPathLen
template.MaxPathLenZero = cert.maxPathLenZero
certBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &key.PublicKey, key)
if err != nil {
panic(err)
}
certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certBytes})
if err := os.WriteFile(fmt.Sprintf("basic_constraints_%s.pem", cert.name), certPEM, 0666); err != nil {
panic(err)
}
}
}
const keyPEM = `-----BEGIN PRIVATE KEY-----
MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgoPUXNXuH9mgiS/nk
024SYxryxMa3CyGJldiHymLxSquhRANCAASRKti8VW2Rkma+Kt9jQkMNitlCs0l5
w8u3SSwm7HZREvmcBCJBjVIREacRqI0umhzR2V5NLzBBP9yPD/A+Ch5X
-----END PRIVATE KEY-----`
func ecdsaKeyFromPEMOrPanic(in string) *ecdsa.PrivateKey {
keyBlock, _ := pem.Decode([]byte(in))
if keyBlock == nil || keyBlock.Type != "PRIVATE KEY" {
panic("could not decode private key")
}
key, err := x509.ParsePKCS8PrivateKey(keyBlock.Bytes)
if err != nil {
panic(err)
}
return key.(*ecdsa.PrivateKey)
}