/tags/lfsr/Recent content in LFSR onHugo -- gohugo.ioThu, 17 Jul 2025 18:48:16 +0100/post/sr25-eob/Thu, 17 Jul 2025 18:48:16 +0100/post/sr25-eob/Click to expand challenge code package main import ( "bufio" "crypto/rand" "encoding/hex" "fmt" "log" "math/big" "net" "strings" ) const LEN = 31 const MASK = (1 << LEN) - 1 const FLAG = "FL1TZ{?????????????????????????????}" var taps1 = []int{/*?, ?, ?, ?*/} var taps2 = []int{/*?, ?, ?, ?*/} type LFSR struct { state uint64 taps []int count int } func (l *LFSR) rekey(newseed uint64) { l.state = newseed } func newLFSR(taps []int) *LFSR { seed := genRandSeed() return &LFSR{state: seed, taps: taps} } func (l *LFSR)lfsrStep() uint8 { feedback := uint64(0) if l.