diff options
| -rw-r--r-- | accounts/scwallet/apdu.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/accounts/scwallet/apdu.go b/accounts/scwallet/apdu.go index db0cf0dca..bd3660604 100644 --- a/accounts/scwallet/apdu.go +++ b/accounts/scwallet/apdu.go @@ -19,6 +19,7 @@ package scwallet import ( "bytes" "encoding/binary" + "fmt" ) // commandAPDU represents an application data unit sent to a smartcard. @@ -66,6 +67,10 @@ type responseAPDU struct { // deserialize deserializes a response APDU. 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) buf := bytes.NewReader(data) |