20 lines
645 B
Kotlin
20 lines
645 B
Kotlin
fun encryptDecrypt(input: String): String {
|
|
val key = charArrayOf('K', 'C', 'Q') //Can be any chars, and any length array
|
|
val output = StringBuilder()
|
|
|
|
for (i in 0 until input.length) {
|
|
val a: Int = input[i].toInt()
|
|
val b: Int = key[i % key.size].toInt()
|
|
output.append((a xor b).toChar())
|
|
}
|
|
|
|
return output.toString()
|
|
}
|
|
|
|
fun main(args: Array<String>) {
|
|
val encrypted = encryptDecrypt("kylewbanks.com")
|
|
println("Encrypted: $encrypted") // output: Encrypted: :=.43*-:8m2$.
|
|
|
|
val decrypted = encryptDecrypt(encrypted)
|
|
println("Decrypted: $decrypted") // output: Decrypted: kylewbanks.com
|
|
} |