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// Copyright 2009 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 sha1_test
import (
"crypto/sha1"
"fmt"
"io"
"log"
"os"
)
func ExampleNew() {
h := sha1.New()
io.WriteString(h, "His money is twice tainted:")
io.WriteString(h, " 'taint yours and 'taint mine.")
fmt.Printf("% x", h.Sum(nil))
// Output: 59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd
}
func ExampleSum() {
data := []byte("This page intentionally left blank.")
fmt.Printf("% x", sha1.Sum(data))
// Output: af 06 49 23 bb f2 30 15 96 aa c4 c2 73 ba 32 17 8e bc 4a 96
}
func ExampleNew_file() {
f, err := os.Open("file.txt")
if err != nil {
log.Fatal(err)
}
defer f.Close()
h := sha1.New()
if _, err := io.Copy(h, f); err != nil {
log.Fatal(err)
}
fmt.Printf("% x", h.Sum(nil))
}