pkg hash, type Hash32 interface { BlockSize, Reset, Size, Sum, Sum32, Write }
pkg hash, type Hash32 interface, BlockSize() int
pkg hash, type Hash32 interface, Reset()
pkg hash, type Hash32 interface, Size() int
pkg hash, type Hash32 interface, Sum([]uint8) []uint8
pkg hash, type Hash32 interface, Sum32() uint32
pkg hash, type Hash32 interface, Write([]uint8) (int, error)

    that supports equivalent copying facilities, provided you maintain
    clear directions next to the object code saying where to find the
    Corresponding Source.  Regardless of what server hosts the
    Corresponding Source, you remain obligated to ensure that it is
    available for as long as needed to satisfy these requirements.

    e) Convey the object code using peer-to-peer transmission, provided