diceware.go


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package main

import (
	"crypto/rand"
	"encoding/binary"
	"flag"
	"fmt"
	"os"
	"strings"

	"roseh.moe/pkg/wordlist"
)

var n = flag.Int("n", 10, "number of words to generate")

func main() {
	flag.Parse()
	if *n < 0 {
		fmt.Fprintln(os.Stderr, "What are you doing...")
		os.Exit(2)
	}
	buf := make([]byte, 2**n)
	rand.Read(buf)
	words := make([]string, *n)
	for i := range words {
		words[i] = wordlist.Words[binary.NativeEndian.Uint16(buf[2*i:])&0x1fff]
	}
	fmt.Println(strings.Join(words, " "))
}