1// Copyright 2009 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package sha1_test
6
7import (
8	"crypto/sha1"
9	"fmt"
10	"io"
11	"log"
12	"os"
13)
14
15func ExampleNew() {
16	h := sha1.New()
17	io.WriteString(h, "His money is twice tainted:")
18	io.WriteString(h, " 'taint yours and 'taint mine.")
19	fmt.Printf("% x", h.Sum(nil))
20	// Output: 59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd
21}
22
23func ExampleSum() {
24	data := []byte("This page intentionally left blank.")
25	fmt.Printf("% x", sha1.Sum(data))
26	// Output: af 06 49 23 bb f2 30 15 96 aa c4 c2 73 ba 32 17 8e bc 4a 96
27}
28
29func ExampleNew_file() {
30	f, err := os.Open("file.txt")
31	if err != nil {
32		log.Fatal(err)
33	}
34	defer f.Close()
35
36	h := sha1.New()
37	if _, err := io.Copy(h, f); err != nil {
38		log.Fatal(err)
39	}
40
41	fmt.Printf("% x", h.Sum(nil))
42}
43