Created
January 4, 2019 15:44
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package main | |
import ( | |
"bytes" | |
"crypto/elliptic" | |
"crypto/rand" | |
"crypto/x509" | |
"crypto/x509/pkix" | |
"encoding/pem" | |
"fmt" | |
"log" | |
"math/big" | |
"time" | |
"github.com/ThalesIgnite/crypto11" | |
) | |
func main() { | |
p11Ctx, err := crypto11.Configure(&crypto11.PKCS11Config{ | |
Path: "/usr/lib/softhsm/libsofthsm2.so", | |
TokenLabel: "test", | |
Pin: "0000", | |
}) | |
if err != nil { | |
log.Fatal(err) | |
} | |
slots, err := p11Ctx.GetSlotList(true) | |
if err != nil { | |
log.Fatalf("Failed to list PKCS#11 Slots: %s", err.Error()) | |
} | |
if len(slots) < 1 { | |
log.Fatal("No slot found") | |
} | |
rootKeyName := []byte(fmt.Sprintf("csroot%d", time.Now().Unix())) | |
rootPriv, err := crypto11.GenerateECDSAKeyPairOnSlot(slots[0], rootKeyName, rootKeyName, elliptic.P384()) | |
if err != nil { | |
log.Fatal(err) | |
} | |
caTpl := &x509.Certificate{ | |
Subject: pkix.Name{ | |
Organization: []string{"Mozilla"}, | |
Country: []string{"US"}, | |
Province: []string{"CA"}, | |
Locality: []string{"Mountain View"}, | |
}, | |
NotBefore: time.Now().AddDate(-1, 0, 0), | |
NotAfter: time.Now().AddDate(30, 0, 0), | |
SignatureAlgorithm: x509.ECDSAWithSHA384, | |
IsCA: true, | |
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth}, | |
KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign, | |
BasicConstraintsValid: true, | |
} | |
caTpl.SerialNumber = big.NewInt(time.Now().UnixNano()) | |
caTpl.Subject.CommonName = string(rootKeyName) | |
rootCertBytes, err := x509.CreateCertificate(rand.Reader, caTpl, caTpl, rootPriv.Public(), rootPriv) | |
if err != nil { | |
log.Fatalf("create ca failed: %v", err) | |
} | |
rootCert, err := x509.ParseCertificate(rootCertBytes) | |
if err != nil { | |
log.Fatal(err) | |
} | |
var rootPem bytes.Buffer | |
err = pem.Encode(&rootPem, &pem.Block{Type: "CERTIFICATE", Bytes: rootCertBytes}) | |
if err != nil { | |
log.Fatal(err) | |
} | |
fmt.Printf("=== Root ===\nHSM key name: %s\n%s\n\n", rootKeyName, rootPem.Bytes()) | |
interKeyName := []byte(fmt.Sprintf("csinter%d", time.Now().Unix())) | |
interPriv, err := crypto11.GenerateECDSAKeyPairOnSlot(slots[0], []byte("csinter201901040900"), []byte("csroot201901040900"), elliptic.P384()) | |
if err != nil { | |
log.Fatal(err) | |
} | |
caTpl.SerialNumber = big.NewInt(time.Now().UnixNano()) | |
caTpl.Subject.CommonName = string(interKeyName) | |
interCertBytes, err := x509.CreateCertificate(rand.Reader, caTpl, rootCert, interPriv.Public(), rootPriv) | |
if err != nil { | |
log.Fatalf("create inter ca failed: %v", err) | |
} | |
var interPem bytes.Buffer | |
err = pem.Encode(&interPem, &pem.Block{Type: "CERTIFICATE", Bytes: interCertBytes}) | |
if err != nil { | |
log.Fatal(err) | |
} | |
fmt.Printf("=== Intermediate ===\nHSM key name: %s\n%s\n", interKeyName, interPem.Bytes()) | |
} |
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