Linkinfo.Magic[0] != 0xff || string(Linkinfo.Magic[1:]) != fipsMagic || Linkinfo.Sum == zeroSum { panic("fips140: no verification checksum found") } h := hmac.New(sha256.New, make([]byte, 32)) w := io.Writer(h) /* // Uncomment for debugging. // Commented (as opposed to a const bool flag) // to avoid import "os" in default builds. f, err := os.Create("fipscheck.o") if err != nil { panic(err) } w = io.MultiWriter(h, f) */ w.Write([]byte("go fips object v1\n")) var nbuf [8]byte for _, sect := range...