/
tls.go
118 lines (103 loc) · 3.02 KB
/
tls.go
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package tlstest
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"net"
"time"
)
func GetTLSConfigs() (serverTLSConf, clientTLSConf *tls.Config, err error) {
// set up our CA certificate
ca := &x509.Certificate{
SerialNumber: big.NewInt(2021),
Subject: pkix.Name{
Organization: []string{"Fiber"},
Country: []string{"NL"},
Province: []string{""},
Locality: []string{"Amsterdam"},
StreetAddress: []string{"Huidenstraat"},
PostalCode: []string{"1011 AA"},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(10, 0, 0),
IsCA: true,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
}
// create our private and public key
caPrivateKey, err := rsa.GenerateKey(rand.Reader, 4096)
if err != nil {
return nil, nil, err
}
// create the CA
caBytes, err := x509.CreateCertificate(rand.Reader, ca, ca, &caPrivateKey.PublicKey, caPrivateKey)
if err != nil {
return nil, nil, err
}
// pem encode
var caPEM bytes.Buffer
_ = pem.Encode(&caPEM, &pem.Block{
Type: "CERTIFICATE",
Bytes: caBytes,
})
var caPrivKeyPEM bytes.Buffer
_ = pem.Encode(&caPrivKeyPEM, &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(caPrivateKey),
})
// set up our server certificate
cert := &x509.Certificate{
SerialNumber: big.NewInt(2021),
Subject: pkix.Name{
Organization: []string{"Fiber"},
Country: []string{"NL"},
Province: []string{""},
Locality: []string{"Amsterdam"},
StreetAddress: []string{"Huidenstraat"},
PostalCode: []string{"1011 AA"},
},
IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1), net.IPv6loopback},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(10, 0, 0),
SubjectKeyId: []byte{1, 2, 3, 4, 6},
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
KeyUsage: x509.KeyUsageDigitalSignature,
}
certPrivateKey, err := rsa.GenerateKey(rand.Reader, 4096)
if err != nil {
return nil, nil, err
}
certBytes, err := x509.CreateCertificate(rand.Reader, cert, ca, &certPrivateKey.PublicKey, caPrivateKey)
if err != nil {
return nil, nil, err
}
var certPEM bytes.Buffer
_ = pem.Encode(&certPEM, &pem.Block{
Type: "CERTIFICATE",
Bytes: certBytes,
})
var certPrivateKeyPEM bytes.Buffer
_ = pem.Encode(&certPrivateKeyPEM, &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(certPrivateKey),
})
serverCert, err := tls.X509KeyPair(certPEM.Bytes(), certPrivateKeyPEM.Bytes())
if err != nil {
return nil, nil, err
}
serverTLSConf = &tls.Config{
Certificates: []tls.Certificate{serverCert},
}
certPool := x509.NewCertPool()
certPool.AppendCertsFromPEM(caPEM.Bytes())
clientTLSConf = &tls.Config{
RootCAs: certPool,
}
return serverTLSConf, clientTLSConf, nil
}