mirror of
https://github.com/golang/go
synced 2024-11-19 22:34:48 -07:00
41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
import (
|
|
"crypto/aes"
|
|
"crypto/block"
|
|
"compress/gzip"
|
|
"io"
|
|
"os"
|
|
)
|
|
|
|
func EncryptAndGzip(dstfile, srcfile string, key, iv []byte) {
|
|
r, _ := os.Open(srcfile, os.O_RDONLY, 0)
|
|
var w io.Writer
|
|
w, _ = os.Open(dstfile, os.O_WRONLY|os.O_CREATE, 0666)
|
|
c, _ := aes.NewCipher(key)
|
|
w = block.NewOFBWriter(c, iv, w)
|
|
w2, _ := gzip.NewDeflater(w)
|
|
io.Copy(w2, r)
|
|
w2.Close()
|
|
}
|
|
|
|
func DecryptAndGunzip(dstfile, srcfile string, key, iv []byte) {
|
|
f, _ := os.Open(srcfile, os.O_RDONLY, 0)
|
|
defer f.Close()
|
|
c, _ := aes.NewCipher(key)
|
|
r := block.NewOFBReader(c, iv, f)
|
|
r, _ = gzip.NewInflater(r)
|
|
w, _ := os.Open(dstfile, os.O_WRONLY|os.O_CREATE, 0666)
|
|
defer w.Close()
|
|
io.Copy(w, r)
|
|
}
|
|
|
|
func main() {
|
|
EncryptAndGzip("/tmp/passwd.gz", "/etc/passwd", make([]byte, 16), make([]byte, 16))
|
|
DecryptAndGunzip("/dev/stdout", "/tmp/passwd.gz", make([]byte, 16), make([]byte, 16))
|
|
}
|