add cash applet features

Gopkg.lock

@@ -42,7 +42,7 @@
 
 [[projects]]
   branch = "develop"
-  digest = "1:428d2c2f86c07c78f39d379b809c317b3792d0248e76d60bf78dcf101596c770"
+  digest = "1:9b4833a900fe5a52f64346bde7749ea58797e8d010ca05d5a78e2ba5ca1864cd"
   name = "github.com/status-im/keycard-go"
   packages = [
     ".",
@@ -57,7 +57,7 @@
     "types",
   ]
   pruneopts = "NUT"
-  revision = "9d48af884d5b92339229bf57df18d0f882ba70be"
+  revision = "6dd40a46baa0d4c8b6fcb69f7e2362e21d89df4d"
 
 [[projects]]
   branch = "master"

VERSION

@@ -1 +1 @@
-0.1.0
+0.2.0

_shell-commands-examples/01-install.sh

@@ -7,9 +7,12 @@ gp-select
 gp-open-secure-channel
 gp-delete D2760000850101
 gp-delete A00000080400010101
+gp-delete A00000080400010301
 gp-delete A0000008040001
-gp-load _assets/keycard_v2.2.1.cap A0000008040001
+gp-load _assets/keycard_v3.0.cap A0000008040001
 # NDEF applet
 gp-install-for-install A0000008040001 A000000804000102 D2760000850101 0024d40f12616e64726f69642e636f6d3a706b67696d2e7374617475732e657468657265756d
 # Keycard applet
 gp-install-for-install A0000008040001 A000000804000101 A00000080400010101
+# Cash applet
+gp-install-for-install A0000008040001 A000000804000103 A00000080400010301

_shell-commands-examples/99-keycard-shell-full-test.sh

@@ -1,43 +0,0 @@
-# select with raw apdu command
-gp-send-apdu 00A4040000
-
-# install
-gp-open-secure-channel
-gp-delete D2760000850101
-gp-delete A00000080400010101
-gp-delete A0000008040001
-gp-load _assets/keycard_v2.2.1.cap A0000008040001
-gp-install-for-install A0000008040001 A000000804000102 D2760000850101 0024d40f12616e64726f69642e636f6d3a706b67696d2e7374617475732e657468657265756d
-gp-install-for-install A0000008040001 A000000804000101 A00000080400010101
-
-# init
-keycard-select
-keycard-init
-
-# pair
-keycard-select
-keycard-pair
-keycard-open-secure-channel
-
-# get status
-keycard-get-status
-
-# verify PIN
-keycard-verify-pin {{ session_pin }}
-
-# change secrets
-keycard-change-pin 888888
-keycard-change-puk 111222333444
-keycard-change-pairing-secret foobarbaz
-
-# sign
-keycard-generate-key
-keycard-derive-key m/44'/60'/0'/0/0
-keycard-sign 0000000000000000000000000000000000000000000000000000000000000000
-
-# remove master key
-keycard-remove-key
-
-# unpair and check card status
-keycard-unpair {{ session_pairing_index }}
-keycard-select

initializer.go

@@ -17,6 +17,7 @@ var (
 
 	ErrNotInitialized   = errors.New("card not initialized")
 	ErrNotInstalled     = errors.New("applet not initialized")
+	ErrCashNotInstalled = errors.New("cash applet not initialized")
 )
 
 // Initializer defines a struct with methods to install applets and initialize a card.

installer.go

@@ -83,6 +83,12 @@ func (i *Installer) Install(capFile *os.File, overwriteApplet bool) error {
 		return err
 	}
 
+	logger.Info("installing Cash applet")
+	if err = cmdSet.InstallCashApplet(); err != nil {
+		logger.Error("installing Cash applet failed", "error", err)
+		return err
+	}
+
 	elapsed := time.Now().Sub(startTime)
 	logger.Info(fmt.Sprintf("installation completed in %f seconds", elapsed.Seconds()))
 	return err

shell.go

@@ -94,6 +94,7 @@ type Shell struct {
 	Secrets    *keycard.Secrets
 	gpCmdSet   *globalplatform.CommandSet
 	kCmdSet    *keycard.CommandSet
+	cashCmdSet *keycard.CashCommandSet
 	commands   map[string]shellCommand
 	out        *bytes.Buffer
 	tplFuncMap template.FuncMap
@@ -106,6 +107,7 @@ func NewShell(t keycardio.Transmitter) *Shell {
 		t:          t,
 		c:          c,
 		kCmdSet:    keycard.NewCommandSet(c),
+		cashCmdSet: keycard.NewCashCommandSet(c),
 		gpCmdSet:   globalplatform.NewCommandSet(c),
 		out:        new(bytes.Buffer),
 	}
@@ -143,6 +145,8 @@ func NewShell(t keycardio.Transmitter) *Shell {
 		"keycard-sign-pinless":          s.commandKeycardSignPinless,
 		"keycard-sign-message-pinless":  s.commandKeycardSignMessagePinless,
 		"keycard-set-pinless-path":      s.commandKeycardSetPinlessPath,
+		"cash-select":                   s.commandCashSelect,
+		"cash-sign":                     s.commandCashSign,
 	}
 
 	return s
@@ -259,7 +263,7 @@ func (s *Shell) commandGPDelete(args ...string) error {
 
 	logger.Info(fmt.Sprintf("delete %x", aid))
 
-	return s.gpCmdSet.Delete(aid)
+	return s.gpCmdSet.DeleteObject(aid)
 }
 
 func (s *Shell) commandGPLoad(args ...string) error {
@@ -781,6 +785,51 @@ func (s *Shell) commandKeycardSetPinlessPath(args ...string) error {
 	return nil
 }
 
+func (s *Shell) commandCashSelect(args ...string) error {
+	if err := s.requireArgs(args, 0); err != nil {
+		return err
+	}
+
+	logger.Info("select cash")
+	err := s.cashCmdSet.Select()
+	info := s.cashCmdSet.CashApplicationInfo
+
+	s.write(fmt.Sprintf("Installed: %v\n", info.Installed))
+	s.write(fmt.Sprintf("PublicKey: %x\n", info.PublicKey))
+	s.write(fmt.Sprintf("PublicKeyData: %x\n", info.PublicKeyData))
+	s.write(fmt.Sprintf("Version: %x\n\n", info.Version))
+
+	if e, ok := err.(*apdu.ErrBadResponse); ok && e.Sw == globalplatform.SwFileNotFound {
+		logger.Error("select cash failed", "error", err)
+		return ErrCashNotInstalled
+	}
+
+	return err
+}
+
+func (s *Shell) commandCashSign(args ...string) error {
+	if err := s.requireArgs(args, 1); err != nil {
+		return err
+	}
+
+	data, err := s.parseHex(args[0])
+	if err != nil {
+		logger.Error("failed parsing hex data", "error", err)
+		return err
+	}
+
+	logger.Info("sign")
+	sig, err := s.cashCmdSet.Sign(data)
+	if err != nil {
+		logger.Error("sign failed", "error", err)
+		return err
+	}
+
+	s.writeSignatureInfo(sig)
+
+	return nil
+}
+
 func (s *Shell) requireArgs(args []string, possibleArgsN ...int) error {
 	for _, n := range possibleArgsN {
 		if len(args) == n {

vendor/github.com/status-im/keycard-go/cash_command_set.go

@@ -0,0 +1,70 @@
+package keycard
+
+import (
+	"github.com/status-im/keycard-go/apdu"
+	"github.com/status-im/keycard-go/globalplatform"
+	"github.com/status-im/keycard-go/identifiers"
+	"github.com/status-im/keycard-go/types"
+)
+
+type CashCommandSet struct {
+	c                   types.Channel
+	CashApplicationInfo *types.CashApplicationInfo
+}
+
+func NewCashCommandSet(c types.Channel) *CashCommandSet {
+	return &CashCommandSet{
+		c:                   c,
+		CashApplicationInfo: &types.CashApplicationInfo{},
+	}
+}
+
+func (cs *CashCommandSet) Select() error {
+	cmd := globalplatform.NewCommandSelect(identifiers.CashInstanceAID)
+	cmd.SetLe(0)
+	resp, err := cs.c.Send(cmd)
+	if err = cs.checkOK(resp, err); err != nil {
+		return err
+	}
+
+	appInfo, err := types.ParseCashApplicationInfo(resp.Data)
+	if err != nil {
+		return err
+	}
+
+	cs.CashApplicationInfo = appInfo
+
+	return nil
+}
+
+func (cs *CashCommandSet) Sign(data []byte) (*types.Signature, error) {
+	cmd, err := NewCommandSign(data, 0x00, "")
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := cs.c.Send(cmd)
+	if err = cs.checkOK(resp, err); err != nil {
+		return nil, err
+	}
+
+	return types.ParseSignature(data, resp.Data)
+}
+
+func (cs *CashCommandSet) checkOK(resp *apdu.Response, err error, allowedResponses ...uint16) error {
+	if err != nil {
+		return err
+	}
+
+	if len(allowedResponses) == 0 {
+		allowedResponses = []uint16{apdu.SwOK}
+	}
+
+	for _, code := range allowedResponses {
+		if code == resp.Sw {
+			return nil
+		}
+	}
+
+	return apdu.NewErrBadResponse(resp.Sw, "unexpected response")
+}

vendor/github.com/status-im/keycard-go/command_set.go

@@ -25,6 +25,7 @@ func NewCommandSet(c types.Channel) *CommandSet {
 	return &CommandSet{
 		c:               c,
 		sc:              NewSecureChannel(c),
+		ApplicationInfo: &types.ApplicationInfo{},
 	}
 }
 
@@ -45,7 +46,6 @@ func (cs *CommandSet) Select() error {
 	cmd.SetLe(0)
 	resp, err := cs.c.Send(cmd)
 	if err = cs.checkOK(resp, err); err != nil {
-		cs.ApplicationInfo = &types.ApplicationInfo{}
 		return err
 	}
 

vendor/github.com/status-im/keycard-go/globalplatform/command_set.go

@@ -57,29 +57,19 @@ func (cs *CommandSet) DeleteKeycardInstancesAndPackage() error {
 		return ErrSecureChannelNotOpen
 	}
 
-	instanceAID, err := identifiers.KeycardInstanceAID(identifiers.KeycardDefaultInstanceIndex)
+	return cs.DeleteObjectAndRelatedObject(identifiers.PackageAID)
-	if err != nil {
-		return err
 }
 
-	ids := [][]byte{
+func (cs *CommandSet) DeleteObject(aid []byte) error {
-		identifiers.NdefInstanceAID,
+	return cs.Delete(aid, P2DeleteObject)
-		instanceAID,
-		identifiers.PackageAID,
 }
 
-	for _, aid := range ids {
+func (cs *CommandSet) DeleteObjectAndRelatedObject(aid []byte) error {
-		err := cs.Delete(aid)
+	return cs.Delete(aid, P2DeleteObjectAndRelatedObject)
-		if err != nil {
-			return err
-		}
 }
 
-	return nil
+func (cs *CommandSet) Delete(aid []byte, p2 uint8) error {
-}
+	cmd := NewCommandDelete(aid, p2)
-
-func (cs *CommandSet) Delete(aid []byte) error {
-	cmd := NewCommandDelete(aid)
 	resp, err := cs.sc.Send(cmd)
 	return cs.checkOK(resp, err, SwOK, SwReferencedDataNotFound)
 }
@@ -137,6 +127,14 @@ func (cs *CommandSet) InstallKeycardApplet() error {
 		[]byte{})
 }
 
+func (cs *CommandSet) InstallCashApplet() error {
+	return cs.InstallForInstall(
+		identifiers.PackageAID,
+		identifiers.CashAID,
+		identifiers.CashInstanceAID,
+		[]byte{})
+}
+
 func (cs *CommandSet) InstallForInstall(packageAID, appletAID, instanceAID, params []byte) error {
 	cmd := NewCommandInstallForInstall(packageAID, appletAID, instanceAID, params)
 	resp, err := cs.sc.Send(cmd)

vendor/github.com/status-im/keycard-go/globalplatform/commands.go

@@ -32,6 +32,8 @@ const (
 	P1GetStatusExecLoadFilesAndModules = 0x10
 
 	P2GetStatusTLVData             = 0x02
+	P2DeleteObject                 = 0x00
+	P2DeleteObjectAndRelatedObject = 0x80
 
 	Sw1ResponseDataIncomplete = 0x61
 
@@ -108,7 +110,7 @@ func NewCommandGetResponse(length uint8) *apdu.Command {
 }
 
 // NewCommandDelete returns a Delete command as defined in the globalplatform specifications.
-func NewCommandDelete(aid []byte) *apdu.Command {
+func NewCommandDelete(aid []byte, p2 uint8) *apdu.Command {
 	data := []byte{tagDeleteAID, byte(len(aid))}
 	data = append(data, aid...)
 
@@ -116,7 +118,7 @@ func NewCommandDelete(aid []byte) *apdu.Command {
 		ClaGp,
 		InsDelete,
 		0,
-		0,
+		p2,
 		data,
 	)
 }

vendor/github.com/status-im/keycard-go/identifiers/identifiers.go

@@ -7,10 +7,15 @@ var (
 	KeycardDevelopmentKey    = []byte{0xc2, 0x12, 0xe0, 0x73, 0xff, 0x8b, 0x4b, 0xbf, 0xaf, 0xf4, 0xde, 0x8a, 0xb6, 0x55, 0x22, 0x1f}
 
 	PackageAID = []byte{0xA0, 0x00, 0x00, 0x08, 0x04, 0x00, 0x01}
+
 	KeycardAID = []byte{0xA0, 0x00, 0x00, 0x08, 0x04, 0x00, 0x01, 0x01}
+
 	NdefAID         = []byte{0xA0, 0x00, 0x00, 0x08, 0x04, 0x00, 0x01, 0x02}
 	NdefInstanceAID = []byte{0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01}
 
+	CashAID         = []byte{0xA0, 0x00, 0x00, 0x08, 0x04, 0x00, 0x01, 0x03}
+	CashInstanceAID = []byte{0xA0, 0x00, 0x00, 0x08, 0x04, 0x00, 0x01, 0x03, 0x01}
+
 	KeycardDefaultInstanceIndex = 1
 
 	ErrInvalidInstanceIndex = errors.New("instance index must be between 1 and 255")

vendor/github.com/status-im/keycard-go/types/cash_application_info.go

@@ -0,0 +1,41 @@
+package types
+
+import "github.com/status-im/keycard-go/apdu"
+
+type CashApplicationInfo struct {
+	Installed     bool
+	PublicKey     []byte
+	PublicKeyData []byte
+	Version       []byte
+}
+
+func ParseCashApplicationInfo(data []byte) (*CashApplicationInfo, error) {
+	info := &CashApplicationInfo{}
+
+	if data[0] != TagApplicationInfoTemplate {
+		return nil, ErrWrongApplicationInfoTemplate
+	}
+
+	info.Installed = true
+
+	pubKey, err := apdu.FindTag(data, apdu.Tag{TagApplicationInfoTemplate}, apdu.Tag{0x80})
+	if err != nil {
+		return nil, err
+	}
+
+	pubKeyData, err := apdu.FindTag(data, apdu.Tag{TagApplicationInfoTemplate}, apdu.Tag{0x82})
+	if err != nil {
+		return nil, err
+	}
+
+	appVersion, err := apdu.FindTag(data, apdu.Tag{TagApplicationInfoTemplate}, apdu.Tag{0x02})
+	if err != nil {
+		return nil, err
+	}
+
+	info.PublicKey = pubKey
+	info.PublicKeyData = pubKeyData
+	info.Version = appVersion
+
+	return info, nil
+}