Caesar cypher

caesar.go

package main

import "fmt"

var mes = "test cypeher with digit 6"

func main() {
	bs := ([]byte)(mes)
	cyp := make([]byte, len(bs))
	j := 0

	key := (byte)(2)

	for i := range bs {
		if bs[i] != 32 {
			bs[i] = bs[i] + key
		}
	}

	for i := len(bs) - 1; i >= 0; i-- {
		cyp[j] = bs[i]
		j++
	}
        fmt.Printf("%v\n", string(bs))
	fmt.Printf("%v", string(cyp))
}

// Output =>
// vguv e{rgjgt ykvj fkikv 8
// 8 vkikf jvky tgjgr{e vugv