Merge pull request #43 from whyrusleeping/fix/utils/read-byte-array-maxlen

fix: enforce maxlen in ReadByteArray()

utils.go

@@ -470,8 +470,8 @@ func ReadByteArray(br io.Reader, maxlen uint64) ([]byte, error) {
 		return nil, fmt.Errorf("expected cbor type 'byte string' in input")
 	}
 
-	if extra > 256*1024 {
-		return nil, fmt.Errorf("string in cbor input too long")
+	if extra > maxlen {
+		return nil, fmt.Errorf("string in cbor input too long, maxlen: %d", maxlen)
 	}
 
 	buf := make([]byte, extra)