Substitution cipher: Difference between revisions

</pre>

=={{header|Go}}==

{{trans|Kotlin}}

<lang go>package main

import (

"fmt"

"strings"

)

var key = "]kYV}(!7P$n5_0i R:?jOWtF/=-pe'AD&@r6%ZXs\"v*N[#wSl9zq2^+g;LoB`aGh{3.HIu4fbK)mU8|dMET><,Qc\\C1yxJ"

func encode(s string) string {

bs := []byte(s)

for i := 0; i < len(bs); i++ {

bs[i] = key[int(bs[i]) - 32]

}

return string(bs)

}

func decode(s string) string {

bs := []byte(s)

for i := 0; i < len(bs); i++ {

bs[i] = byte(strings.IndexByte(key, bs[i]) + 32)

}

return string(bs)

}

func main() {

s := "The quick brown fox jumps over the lazy dog, who barks VERY loudly!"

enc := encode(s)

fmt.Println("Encoded: ", enc)

fmt.Println("Decoded: ", decode(enc))

}</lang>

{{out}}

<pre>

Encoded: 2bu]E,KHm].Tdc|]4d\]),8M>]dQuT]<bu]U31C]Idf_]cbd].3Tm>]+ZzL]Ud,IUCk

Decoded: The quick brown fox jumps over the lazy dog, who barks VERY loudly!