Cloudflare Email Protection Decoder in Go

gistfile1.go

package main

import (
	"bytes"
	"strconv"
)

func cf(a string) (s string) {
	var e bytes.Buffer
	r, _ := strconv.ParseInt(a[0:2], 16, 0)
	for n := 4; n < len(a)+2; n += 2 {
		i, _ := strconv.ParseInt(a[n-2:n], 16, 0)
		e.WriteString(string(i ^ r))
	}
	return e.String()
}

func main() {
	email := cf("f091809582839f9eb080999e97848582849c95de939f9d")
	print(email)
	print("\n")
}