// 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)) }