Example #1
0
func (node *nodeImpl) getTLSCertificateFromTLSCA(id, affiliation string) (interface{}, []byte, error) {
	node.log.Info("getTLSCertificate...")

	priv, err := utils.NewECDSAKey()

	if err != nil {
		node.log.Error("Failed generating key: %s", err)

		return nil, nil, err
	}

	uuid, err := util.GenerateUUID()
	if err != nil {
		node.log.Error("Failed generating uuid: %s", err)

		return nil, nil, err
	}

	// Prepare the request
	pubraw, _ := x509.MarshalPKIXPublicKey(&priv.PublicKey)
	now := time.Now()
	timestamp := google_protobuf.Timestamp{int64(now.Second()), int32(now.Nanosecond())}

	req := &obcca.TLSCertCreateReq{
		&timestamp,
		&obcca.Identity{Id: id + "-" + uuid},
		&obcca.Password{Pw: ""},
		&obcca.PublicKey{
			Type: obcca.CryptoType_ECDSA,
			Key:  pubraw,
		}, nil}
	rawreq, _ := proto.Marshal(req)
	r, s, err := ecdsa.Sign(rand.Reader, priv, utils.Hash(rawreq))
	if err != nil {
		panic(err)
	}
	R, _ := r.MarshalText()
	S, _ := s.MarshalText()
	req.Sig = &obcca.Signature{obcca.CryptoType_ECDSA, R, S}

	pbCert, err := node.callTLSCACreateCertificate(context.Background(), req)
	if err != nil {
		node.log.Error("Failed requesting tls certificate: %s", err)

		return nil, nil, err
	}

	node.log.Info("Verifing tls certificate...")

	tlsCert, err := utils.DERToX509Certificate(pbCert.Cert)
	certPK := tlsCert.PublicKey.(*ecdsa.PublicKey)
	utils.VerifySignCapability(priv, certPK)

	node.log.Info("Verifing tls certificate...done!")

	return priv, pbCert.Cert, nil
}
Example #2
0
func BenchmarkSign(b *testing.B) {
	b.StopTimer()
	b.ResetTimer()

	//b.Logf("#iterations %d\n", b.N)
	signKey, _ := utils.NewECDSAKey()
	hash := make([]byte, 48)

	for i := 0; i < b.N; i++ {
		rand.Read(hash)
		b.StartTimer()
		utils.ECDSASign(signKey, hash)
		b.StopTimer()
	}
}
Example #3
0
func BenchmarkVerify(b *testing.B) {
	b.StopTimer()
	b.ResetTimer()

	//b.Logf("#iterations %d\n", b.N)
	signKey, _ := utils.NewECDSAKey()
	verKey := signKey.PublicKey
	hash := make([]byte, 48)

	for i := 0; i < b.N; i++ {
		rand.Read(hash)
		sigma, _ := utils.ECDSASign(signKey, hash)
		b.StartTimer()
		utils.ECDSAVerify(&verKey, hash, sigma)
		b.StopTimer()
	}
}
Example #4
0
func (node *nodeImpl) getEnrollmentCertificateFromECA(id, pw string) (interface{}, []byte, []byte, error) {
	priv, err := utils.NewECDSAKey()

	if err != nil {
		node.log.Error("Failed generating key [%s].", err.Error())

		return nil, nil, nil, err
	}

	// Prepare the request
	pubraw, _ := x509.MarshalPKIXPublicKey(&priv.PublicKey)
	req := &obcca.ECertCreateReq{
		Ts:  &protobuf.Timestamp{Seconds: time.Now().Unix(), Nanos: 0},
		Id:  &obcca.Identity{Id: id},
		Pw:  &obcca.Password{Pw: pw},
		Pub: &obcca.PublicKey{Type: obcca.CryptoType_ECDSA, Key: pubraw},
		Sig: nil}
	rawreq, _ := proto.Marshal(req)
	r, s, err := ecdsa.Sign(rand.Reader, priv, utils.Hash(rawreq))
	if err != nil {
		node.log.Error("Failed signing request [%s].", err.Error())

		return nil, nil, nil, err
	}
	R, _ := r.MarshalText()
	S, _ := s.MarshalText()
	req.Sig = &obcca.Signature{obcca.CryptoType_ECDSA, R, S}

	pbCert, key, err := node.callECACreateCertificate(context.Background(), req)
	if err != nil {
		node.log.Error("Failed requesting enrollment certificate [%s].", err.Error())

		return nil, nil, nil, err
	}

	node.log.Debug("Enrollment certificate hash [%s].", utils.EncodeBase64(utils.Hash(pbCert.Cert)))

	// Verify pbCert.Cert
	return priv, pbCert.Cert, key, nil
}
Example #5
0
func requestTLSCertificate(t *testing.T) {
	var opts []grpc.DialOption

	creds, err := credentials.NewClientTLSFromFile(viper.GetString("server.tls.certfile"), "tlsca")
	if err != nil {
		t.Logf("Failed creating credentials for TLS-CA client: %s", err)
		t.Fail()
	}

	opts = append(opts, grpc.WithTransportCredentials(creds))
	sockP, err := grpc.Dial(viper.GetString("peer.pki.tlsca.paddr"), opts...)
	if err != nil {
		t.Logf("Failed dialing in: %s", err)
		t.Fail()
	}

	defer sockP.Close()

	tlscaP := obcca.NewTLSCAPClient(sockP)

	// Prepare the request
	id := "peer"
	priv, err := utils.NewECDSAKey()

	if err != nil {
		t.Logf("Failed generating key: %s", err)
		t.Fail()
	}

	uuid, err := util.GenerateUUID()
	if err != nil {
		t.Logf("Failed generating uuid: %s", err)
		t.Fail()
	}

	pubraw, _ := x509.MarshalPKIXPublicKey(&priv.PublicKey)
	now := time.Now()
	timestamp := google_protobuf.Timestamp{int64(now.Second()), int32(now.Nanosecond())}

	req := &obcca.TLSCertCreateReq{
		&timestamp,
		&obcca.Identity{Id: id + "-" + uuid},
		&obcca.PublicKey{
			Type: obcca.CryptoType_ECDSA,
			Key:  pubraw,
		}, nil}

	rawreq, _ := proto.Marshal(req)
	r, s, err := ecdsa.Sign(rand.Reader, priv, utils.Hash(rawreq))

	if err != nil {
		t.Logf("Failed signing the request: %s", err)
		t.Fail()
	}

	R, _ := r.MarshalText()
	S, _ := s.MarshalText()
	req.Sig = &obcca.Signature{obcca.CryptoType_ECDSA, R, S}

	resp, err := tlscaP.CreateCertificate(context.Background(), req)
	if err != nil {
		t.Logf("Failed requesting tls certificate: %s", err)
		t.Fail()
	}

	storePrivateKeyInClear("tls_peer.priv", priv, t)
	storeCert("tls_peer.cert", resp.Cert.Cert, t)
	storeCert("tls_peer.ca", resp.RootCert.Cert, t)
}
Example #6
0
func (node *nodeImpl) getEnrollmentCertificateFromECA(id, pw string) (interface{}, []byte, []byte, error) {
	// Get a new ECA Client
	sock, ecaP, err := node.getECAClient()
	defer sock.Close()

	// Run the protocol

	signPriv, err := utils.NewECDSAKey()
	if err != nil {
		node.log.Error("Failed generating ECDSA key [%s].", err.Error())

		return nil, nil, nil, err
	}
	signPub, err := x509.MarshalPKIXPublicKey(&signPriv.PublicKey)
	if err != nil {
		node.log.Error("Failed mashalling ECDSA key [%s].", err.Error())

		return nil, nil, nil, err
	}

	encPriv, err := utils.NewECDSAKey()
	if err != nil {
		node.log.Error("Failed generating Encryption key [%s].", err.Error())

		return nil, nil, nil, err
	}
	encPub, err := x509.MarshalPKIXPublicKey(&encPriv.PublicKey)
	if err != nil {
		node.log.Error("Failed marshalling Encryption key [%s].", err.Error())

		return nil, nil, nil, err
	}

	req := &obcca.ECertCreateReq{&protobuf.Timestamp{Seconds: time.Now().Unix(), Nanos: 0},
		&obcca.Identity{id},
		&obcca.Token{Tok: []byte(pw)},
		&obcca.PublicKey{obcca.CryptoType_ECDSA, signPub},
		&obcca.PublicKey{obcca.CryptoType_ECDSA, encPub},
		nil}

	resp, err := ecaP.CreateCertificatePair(context.Background(), req)
	if err != nil {
		node.log.Error("Failed invoking CreateCertficatePair [%s].", err.Error())

		return nil, nil, nil, err
	}

	//out, err := rsa.DecryptPKCS1v15(rand.Reader, encPriv, resp.Tok.Tok)
	spi := ecies.NewSPI()
	eciesKey, err := spi.NewPrivateKey(nil, encPriv)
	if err != nil {
		node.log.Error("Failed parsing decrypting key [%s].", err.Error())

		return nil, nil, nil, err
	}

	ecies, err := spi.NewAsymmetricCipherFromPublicKey(eciesKey)
	if err != nil {
		node.log.Error("Failed creating asymmetrinc cipher [%s].", err.Error())

		return nil, nil, nil, err
	}

	out, err := ecies.Process(resp.Tok.Tok)
	if err != nil {
		node.log.Error("Failed decrypting toke [%s].", err.Error())

		return nil, nil, nil, err
	}

	req.Tok.Tok = out
	req.Sig = nil

	hash := utils.NewHash()
	raw, _ := proto.Marshal(req)
	hash.Write(raw)

	r, s, err := ecdsa.Sign(rand.Reader, signPriv, hash.Sum(nil))
	if err != nil {
		node.log.Error("Failed signing [%s].", err.Error())

		return nil, nil, nil, err
	}
	R, _ := r.MarshalText()
	S, _ := s.MarshalText()
	req.Sig = &obcca.Signature{obcca.CryptoType_ECDSA, R, S}

	resp, err = ecaP.CreateCertificatePair(context.Background(), req)
	if err != nil {
		node.log.Error("Failed invoking CreateCertificatePair [%s].", err.Error())

		return nil, nil, nil, err
	}

	// Verify response

	// Verify cert for signing
	node.log.Debug("Enrollment certificate for signing [%s]", utils.EncodeBase64(utils.Hash(resp.Certs.Sign)))

	x509SignCert, err := utils.DERToX509Certificate(resp.Certs.Sign)
	if err != nil {
		node.log.Error("Failed parsing signing enrollment certificate for signing: [%s]", err)

		return nil, nil, nil, err
	}

	_, err = utils.GetCriticalExtension(x509SignCert, ECertSubjectRole)
	if err != nil {
		node.log.Error("Failed parsing ECertSubjectRole in enrollment certificate for signing: [%s]", err)

		return nil, nil, nil, err
	}

	err = utils.CheckCertAgainstSKAndRoot(x509SignCert, signPriv, node.ecaCertPool)
	if err != nil {
		node.log.Error("Failed checking signing enrollment certificate for signing: [%s]", err)

		return nil, nil, nil, err
	}

	// Verify cert for encrypting
	node.log.Debug("Enrollment certificate for encrypting [%s]", utils.EncodeBase64(utils.Hash(resp.Certs.Enc)))

	x509EncCert, err := utils.DERToX509Certificate(resp.Certs.Enc)
	if err != nil {
		node.log.Error("Failed parsing signing enrollment certificate for encrypting: [%s]", err)

		return nil, nil, nil, err
	}

	_, err = utils.GetCriticalExtension(x509EncCert, ECertSubjectRole)
	if err != nil {
		node.log.Error("Failed parsing ECertSubjectRole in enrollment certificate for encrypting: [%s]", err)

		return nil, nil, nil, err
	}

	err = utils.CheckCertAgainstSKAndRoot(x509EncCert, encPriv, node.ecaCertPool)
	if err != nil {
		node.log.Error("Failed checking signing enrollment certificate for encrypting: [%s]", err)

		return nil, nil, nil, err
	}

	// END

	return signPriv, resp.Certs.Sign, resp.Chain.Tok, nil
}