hey guys...do you want to steal security credentials, from iranian scientists in Vienna?

How to read packed binary data in Go?

The Python format string is iih, meaning two 32-bit signed integers and one 16-bit signed integer (see the docs). You can simply use your first example but change the struct to:

type binData struct {
    A int32
    B int32
    C int16
}

func main() {
        fp, err := os.Open("tst.bin")

        if err != nil {
                panic(err)
        }

        defer fp.Close()

        for {
            thing := binData{}
            err := binary.Read(fp, binary.LittleEndian, &thing)

            if err == io.EOF{
                break
            }

            fmt.Println(thing.A, thing.B, thing.C)
        }
}

Note that the Python packing didn't specify the endianness explicitly, but if you're sure the system that ran it generated little-endian binary, this should work.

Edit: Added main() function to explain what I mean.

Edit 2: Capitalized struct fields so binary.Read could write into them.

http://stackoverflow.com/questions/34078427/how-to-read-packed-binary-data-in-go