diff options
Diffstat (limited to 'accounts/scwallet/securechannel.go')
| -rw-r--r-- | accounts/scwallet/securechannel.go | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/accounts/scwallet/securechannel.go b/accounts/scwallet/securechannel.go index c1b7cff..9b70c69 100644 --- a/accounts/scwallet/securechannel.go +++ b/accounts/scwallet/securechannel.go @@ -25,7 +25,7 @@ import ( "crypto/sha512" "fmt" - "github.com/ava-labs/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/crypto" pcsc "github.com/gballet/go-libpcsclite" "github.com/wsddn/go-ecdh" "golang.org/x/crypto/pbkdf2" @@ -71,7 +71,7 @@ func NewSecureChannelSession(card *pcsc.Card, keyData []byte) (*SecureChannelSes cardPublic, ok := gen.Unmarshal(keyData) if !ok { - return nil, fmt.Errorf("Could not unmarshal public key from card") + return nil, fmt.Errorf("could not unmarshal public key from card") } secret, err := gen.GenerateSharedSecret(private, cardPublic) @@ -109,7 +109,7 @@ func (s *SecureChannelSession) Pair(pairingPassword []byte) error { cardChallenge := response.Data[32:64] if !bytes.Equal(expectedCryptogram, cardCryptogram) { - return fmt.Errorf("Invalid card cryptogram %v != %v", expectedCryptogram, cardCryptogram) + return fmt.Errorf("invalid card cryptogram %v != %v", expectedCryptogram, cardCryptogram) } md.Reset() @@ -132,7 +132,7 @@ func (s *SecureChannelSession) Pair(pairingPassword []byte) error { // Unpair disestablishes an existing pairing. func (s *SecureChannelSession) Unpair() error { if s.PairingKey == nil { - return fmt.Errorf("Cannot unpair: not paired") + return fmt.Errorf("cannot unpair: not paired") } _, err := s.transmitEncrypted(claSCWallet, insUnpair, s.PairingIndex, 0, []byte{}) @@ -148,7 +148,7 @@ func (s *SecureChannelSession) Unpair() error { // Open initializes the secure channel. func (s *SecureChannelSession) Open() error { if s.iv != nil { - return fmt.Errorf("Session already opened") + return fmt.Errorf("session already opened") } response, err := s.open() @@ -185,11 +185,11 @@ func (s *SecureChannelSession) mutuallyAuthenticate() error { return err } if response.Sw1 != 0x90 || response.Sw2 != 0x00 { - return fmt.Errorf("Got unexpected response from MUTUALLY_AUTHENTICATE: 0x%x%x", response.Sw1, response.Sw2) + return fmt.Errorf("got unexpected response from MUTUALLY_AUTHENTICATE: 0x%x%x", response.Sw1, response.Sw2) } if len(response.Data) != scSecretLength { - return fmt.Errorf("Response from MUTUALLY_AUTHENTICATE was %d bytes, expected %d", len(response.Data), scSecretLength) + return fmt.Errorf("response from MUTUALLY_AUTHENTICATE was %d bytes, expected %d", len(response.Data), scSecretLength) } return nil @@ -222,7 +222,7 @@ func (s *SecureChannelSession) pair(p1 uint8, data []byte) (*responseAPDU, error // transmitEncrypted sends an encrypted message, and decrypts and returns the response. func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []byte) (*responseAPDU, error) { if s.iv == nil { - return nil, fmt.Errorf("Channel not open") + return nil, fmt.Errorf("channel not open") } data, err := s.encryptAPDU(data) @@ -261,14 +261,14 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b return nil, err } if !bytes.Equal(s.iv, rmac) { - return nil, fmt.Errorf("Invalid MAC in response") + return nil, fmt.Errorf("invalid MAC in response") } rapdu := &responseAPDU{} rapdu.deserialize(plainData) if rapdu.Sw1 != sw1Ok { - return nil, fmt.Errorf("Unexpected response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", cla, ins, rapdu.Sw1, rapdu.Sw2) + return nil, fmt.Errorf("unexpected response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", cla, ins, rapdu.Sw1, rapdu.Sw2) } return rapdu, nil @@ -277,7 +277,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b // encryptAPDU is an internal method that serializes and encrypts an APDU. func (s *SecureChannelSession) encryptAPDU(data []byte) ([]byte, error) { if len(data) > maxPayloadSize { - return nil, fmt.Errorf("Payload of %d bytes exceeds maximum of %d", len(data), maxPayloadSize) + return nil, fmt.Errorf("payload of %d bytes exceeds maximum of %d", len(data), maxPayloadSize) } data = pad(data, 0x80) @@ -323,10 +323,10 @@ func unpad(data []byte, terminator byte) ([]byte, error) { case terminator: return data[:len(data)-i], nil default: - return nil, fmt.Errorf("Expected end of padding, got %d", data[len(data)-i]) + return nil, fmt.Errorf("expected end of padding, got %d", data[len(data)-i]) } } - return nil, fmt.Errorf("Expected end of padding, got 0") + return nil, fmt.Errorf("expected end of padding, got 0") } // updateIV is an internal method that updates the initialization vector after |