certificate: Remove Subject from CreateOptions

certificate/create.go

@@ -9,7 +9,6 @@ import (
 	"crypto/rand"
 	"crypto/tls"
 	"crypto/x509"
-	"crypto/x509/pkix"
 	"encoding/pem"
 	"math/big"
 	"net"
@@ -28,13 +27,6 @@ type CreateOptions struct {
 	// Should contain the IP addresses that the certificate is valid for.
 	IPAddresses []net.IP
 
-	// Subject specifies the certificate Subject.
-	//
-	// Subject.CommonName can contain the DNS name that this certificate
-	// is valid for. Server certificates should specify both a Subject
-	// and a Subject Alternate Name.
-	Subject pkix.Name
-
 	// Duration specifies the amount of time that the certificate is valid for.
 	Duration time.Duration
 
@@ -100,7 +92,6 @@ func newX509KeyPair(options CreateOptions) (*x509.Certificate, crypto.PrivateKey
 		BasicConstraintsValid: true,
 		IPAddresses:           options.IPAddresses,
 		DNSNames:              options.DNSNames,
-		Subject:               options.Subject,
 	}
 
 	crt, err := x509.CreateCertificate(rand.Reader, &template, &template, pub, priv)

certificate/store.go

@@ -3,7 +3,6 @@ package certificate
 import (
 	"crypto/tls"
 	"crypto/x509"
-	"crypto/x509/pkix"
 	"errors"
 	"fmt"
 	"io/fs"
@@ -170,9 +169,6 @@ func (s *Store) createCertificate(scope string) (tls.Certificate, error) {
 	}
 	return Create(CreateOptions{
 		DNSNames: []string{scope},
-		Subject: pkix.Name{
-			CommonName: scope,
-		},
 		Duration: 365 * 24 * time.Hour,
 	})
 }

examples/cert.go

@@ -5,7 +5,6 @@
 package main
 
 import (
-	"crypto/x509/pkix"
 	"fmt"
 	"log"
 	"os"
@@ -25,9 +24,6 @@ func main() {
 		log.Fatal(err)
 	}
 	options := certificate.CreateOptions{
-		Subject: pkix.Name{
-			CommonName: host,
-		},
 		DNSNames: []string{host},
 		Duration: duration,
 	}