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Viewing changes to doc/talks/io2010/encrypt.go

  • Committer: Bazaar Package Importer
  • Author(s): Ondřej Surý
  • Date: 2011-04-20 17:36:48 UTC
  • Revision ID: james.westby@ubuntu.com-20110420173648-ifergoxyrm832trd
Tags: upstream-2011.03.07.1
Import upstream version 2011.03.07.1

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doc/talks/io2010/encrypt.go
 
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// Copyright 2010 The Go Authors.  All rights reserved.
 
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// Use of this source code is governed by a BSD-style
 
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// license that can be found in the LICENSE file.
 
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package main
 
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import (
 
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        "crypto/aes"
 
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        "crypto/block"
 
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        "compress/gzip"
 
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        "io"
 
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        "os"
 
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)
 
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func EncryptAndGzip(dstfile, srcfile string, key, iv []byte) {
 
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        r, _ := os.Open(srcfile, os.O_RDONLY, 0)
 
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        var w io.WriteCloser
 
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        w, _ = os.Open(dstfile, os.O_WRONLY|os.O_CREATE, 0666)
 
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        defer w.Close()
 
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        w, _ = gzip.NewDeflater(w)
 
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        defer w.Close()
 
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        c, _ := aes.NewCipher(key)
 
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        io.Copy(block.NewCBCEncrypter(c, iv, w), r)
 
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}
 
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func main() {
 
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        EncryptAndGzip("/tmp/passwd.gz", "/etc/passwd", make([]byte, 16), make([]byte, 16))
 
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}