// main.go
package main

import (
    "fmt"
    "log"

    "github.com/wedkarz02/chacha20"
)

func main() {
    key := []byte("Super secret key")
    message := []byte("ChaCha20 encryption is really cool and also fast!")

    // Cipher object initialization.
    cipher, err := chacha20.NewCipher(key)

    // It is strongly recommended to wipe the key from memory at the end.
    defer cipher.ClearKey()

    // Make sure to check for any errors.
    if err != nil {
        log.Fatalf("Cipher init error: %v\n", err)
    }

    // Encrypting the plainText.
    cipherText, err := cipher.Encrypt(message)

    // Make sure to check for any errors.
    if err != nil {
        log.Fatalf("Encryption error: %v\n", err)
    }

    // Printing the cipherText as bytes.
    for _, b := range cipherText {
        fmt.Printf("0x%02x ", b)
    }
}