tornadocontrib/go-ethereum
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This commit is contained in:
Guillaume Ballet 2019-04-04 23:41:52 +02:00
parent fc3000d649
commit 6f21520a82
1 changed files with 5 additions and 0 deletions
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5
accounts/scwallet/apdu.go
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@ -19,6 +19,7 @@ package scwallet
import ( import (
"bytes" "bytes"
"encoding/binary" "encoding/binary"
"fmt"
) )
// commandAPDU represents an application data unit sent to a smartcard. // commandAPDU represents an application data unit sent to a smartcard.
@ -66,6 +67,10 @@ type responseAPDU struct {
// deserialize deserializes a response APDU. // deserialize deserializes a response APDU.
func (ra *responseAPDU) deserialize(data []byte) error { func (ra *responseAPDU) deserialize(data []byte) error {
if len(data) < 2 {
return fmt.Errorf("can not deserialize data: payload too short (%d < 2)", len(data))
}
ra.Data = make([]byte, len(data)-2) ra.Data = make([]byte, len(data)-2)
buf := bytes.NewReader(data) buf := bytes.NewReader(data)