forked from cloudflare/cfssl
/
pkcs11.go
44 lines (37 loc) · 1.15 KB
/
pkcs11.go
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// +build !nopkcs11
// Package pkcs11 in the ocsp directory provides a way to construct a
// PKCS#11-based OCSP signer.
package pkcs11
import (
"io/ioutil"
"github.com/cloudflare/cfssl/crypto/pkcs11key"
"github.com/cloudflare/cfssl/errors"
"github.com/cloudflare/cfssl/helpers"
"github.com/cloudflare/cfssl/log"
"github.com/cloudflare/cfssl/ocsp"
ocspConfig "github.com/cloudflare/cfssl/ocsp/config"
)
// Enabled is set to true if PKCS #11 support is present.
const Enabled = true
// NewPKCS11Signer returns a new PKCS #11 signer.
func NewPKCS11Signer(cfg ocspConfig.Config) (ocsp.Signer, error) {
log.Debugf("Loading PKCS #11 module %s", cfg.PKCS11.Module)
certData, err := ioutil.ReadFile(cfg.CACertFile)
if err != nil {
return nil, errors.New(errors.CertificateError, errors.ReadFailed)
}
cert, err := helpers.ParseCertificatePEM(certData)
if err != nil {
return nil, err
}
PKCS11 := cfg.PKCS11
priv, err := pkcs11key.New(
PKCS11.Module,
PKCS11.TokenLabel,
PKCS11.PIN,
PKCS11.PrivateKeyLabel)
if err != nil {
return nil, errors.New(errors.PrivateKeyError, errors.ReadFailed)
}
return ocsp.NewSigner(cert, cert, priv, cfg.Interval)
}