cerc-io/plugeth
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This commit is contained in:
Guillaume Ballet 2019-04-04 20:06:40 +02:00
parent d2daff4258
commit fc3000d649
2 changed files with 10 additions and 11 deletions
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13
accounts/scwallet/hub.go
View File

@ -36,6 +36,7 @@ import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"sort"
"sync"
"time"
@ -111,10 +112,11 @@ func (hub *Hub) readPairings() error {
}
func (hub *Hub) writePairings() error {
pairingFile, err := os.OpenFile(filepath.Join(hub.datadir,"smartcards.json"), os.O_RDWR|os.O_CREATE, 0755)
pairingFile, err := os.OpenFile(filepath.Join(hub.datadir, "smartcards.json"), os.O_RDWR|os.O_CREATE, 0755)
if err != nil {
return err
}
defer pairingFile.Close()
pairings := make([]smartcardPairing, 0, len(hub.pairings))
for _, pairing := range hub.pairings {
@ -130,15 +132,11 @@ func (hub *Hub) writePairings() error {
return err
}
return pairingFile.Close()
return nil
}
func (hub *Hub) pairing(wallet *Wallet) *smartcardPairing {
if pairing, ok := hub.pairings[string(wallet.PublicKey)]; ok{
return &pairing
}
return nil
if ok {
if pairing, ok := hub.pairings[string(wallet.PublicKey)]; ok {
return &pairing
}
return nil
@ -209,6 +207,7 @@ func (hub *Hub) refreshWallets() {
// want to fill the user's log with errors, so filter those out.
if err.Error() != "scard: Cannot find a smart card reader." {
log.Error("Failed to enumerate smart card readers", "err", err)
return
}
}
// Transform the current list of wallets into the new one

8
accounts/scwallet/securechannel.go
View File

@ -229,8 +229,8 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
if err != nil {
return nil, err
}
meta := []byte{cla, ins, p1, p2, byte(len(data) + scBlockSize), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
if err = s.updateIV(meta, data); err != nil {
meta := [16]byte{cla, ins, p1, p2, byte(len(data) + scBlockSize)}
if err = s.updateIV(meta[:], data); err != nil {
return nil, err
}
@ -249,7 +249,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
return nil, err
}
rmeta := []byte{byte(len(response.Data)), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
rmeta := [16]byte{byte(len(response.Data))}
rmac := response.Data[:len(s.iv)]
rdata := response.Data[len(s.iv):]
plainData, err := s.decryptAPDU(rdata)
@ -257,7 +257,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
return nil, err
}
if err = s.updateIV(rmeta, rdata); err != nil {
if err = s.updateIV(rmeta[:], rdata); err != nil {
return nil, err
}
if !bytes.Equal(s.iv, rmac) {