コード例 #1
0
ファイル: csr.go プロジェクト: jamesbjackson/cfssl
// Generate creates a new CSR from a CertificateRequest structure and
// an existing key. The KeyRequest field is ignored.
func Generate(priv crypto.Signer, req *CertificateRequest) (csr []byte, err error) {
	sigAlgo := helpers.SignerAlgo(priv, crypto.SHA256)
	if sigAlgo == x509.UnknownSignatureAlgorithm {
		return nil, cferr.New(cferr.PrivateKeyError, cferr.Unavailable)
	}

	var tpl = x509.CertificateRequest{
		Subject:            req.Name(),
		SignatureAlgorithm: sigAlgo,
	}

	for i := range req.Hosts {
		if ip := net.ParseIP(req.Hosts[i]); ip != nil {
			tpl.IPAddresses = append(tpl.IPAddresses, ip)
		} else {
			tpl.DNSNames = append(tpl.DNSNames, req.Hosts[i])
		}
	}

	csr, err = x509.CreateCertificateRequest(rand.Reader, &tpl, priv)
	if err != nil {
		log.Errorf("failed to generate a CSR: %v", err)
		err = cferr.Wrap(cferr.CSRError, cferr.BadRequest, err)
		return
	}
	block := pem.Block{
		Type:  "CERTIFICATE REQUEST",
		Bytes: csr,
	}

	log.Info("encoded CSR")
	csr = pem.EncodeToMemory(&block)
	return
}
コード例 #2
0
ファイル: signer.go プロジェクト: nathany/cfssl
// New generates a new CA from a certificate request and signing profile.
func New(req *csr.CertificateRequest, profiles *config.Signing) (*CA, error) {
	certPEM, _, keyPEM, err := initca.New(req)
	if err != nil {
		return nil, err
	}

	// If initca returns successfully, the following (which are
	// all CFSSL internal functions) should not return an
	// error. If they do, we should abort --- something about
	// CFSSL has become inconsistent, and it can't be trusted.

	priv, err := helpers.ParsePrivateKeyPEM(keyPEM)
	assert.NoError(err, "CFSSL-generated private key can't be parsed")

	cert, err := helpers.ParseCertificatePEM(certPEM)
	assert.NoError(err, "CFSSL-generated certificate can't be parsed")

	s, err := local.NewSigner(priv, cert, helpers.SignerAlgo(priv), profiles)
	assert.NoError(err, "a signer could not be constructed")

	return NewFromSigner(s), nil
}