aes gzip

package main

import (
  "log"
  "crypto/aes"
  "crypto/cipher"
  "flag"
  "os"
  "io"
  "compress/gzip"
)

var in = flag.String("in","in.txt","input")
var out = flag.String("out","out.gz.aes","output")

func main() {
  flag.Parse()
  inFile, err := os.Open(*in)
  if err != nil {
    log.Fatal(err)
  }
  outFile, err := os.Create(*out)
  if err != nil {
    log.Fatal(err)
  }

  block, _ := aes.NewCipher([]byte("12345678901234567890123456789012"))
  aesStream := cipher.NewOFB(block, []byte("1234567890123456"))
  aesWriter := cipher.StreamWriter{S: aesStream, W: outFile}

  gzWriter := gzip.NewWriter(aesWriter)
  io.Copy(gzWriter, inFile)
}