GoPass/main.go

46 lines
941 B
Go

// GoPass
// Author: Maximilian Patterson
// Version: 1.1
package main
import (
cryptorand "crypto/rand"
"encoding/binary"
"fmt"
mathrand "math/rand"
"os"
"strconv"
)
var runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890`~!@#$%^&*()_+[]\\{}|;':,./<>?")
func main() {
// Take OS arg (only accepts one arg)
arg := os.Args[1]
// Convert String arg to int
size, err := strconv.Atoi(arg)
if err != nil {
panic(err)
}
// Make empty array of runes with size of size
pass := make([]rune, size)
// Seed rand with time
var b [8]byte
_, err = cryptorand.Read(b[:])
if err != nil {
panic("Error securely seeding rand!")
}
mathrand.Seed(int64(binary.LittleEndian.Uint64(b[:])))
// Assign every slot of pass to a random rune (generate rand int of length runes to select)
for i := range pass {
pass[i] = runes[mathrand.Intn(len(runes))]
}
// Print the pass :D
fmt.Println(string(pass))
}