libgo/go/crypto/sha1/sha1_test.go

   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
   5 // SHA1 hash algorithm.  See RFC 3174.
   6
   7 package sha1
   8
   9 import (
  10         "fmt"
  11         "io"
  12         "testing"
  13 )
  14
  15 type sha1Test struct {
  16         out string
  17         in  string
  18 }
  19
  20 var golden = []sha1Test{
  21         {"da39a3ee5e6b4b0d3255bfef95601890afd80709", ""},
  22         {"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a"},
  23         {"da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab"},
  24         {"a9993e364706816aba3e25717850c26c9cd0d89d", "abc"},
  25         {"81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd"},
  26         {"03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde"},
  27         {"1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef"},
  28         {"2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg"},
  29         {"425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh"},
  30         {"c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi"},
  31         {"d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij"},
  32         {"ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old."},
  33         {"e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last."},
  34         {"45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole."},
  35         {"55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
  36         {"b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered.  -Tom Stoppard"},
  37         {"c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign."},
  38         {"6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program."},
  39         {"597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine."},
  40         {"6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
  41         {"514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
  42         {"c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size:  a.out:  bad magic"},
  43         {"74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail.  -Mark Horton"},
  44         {"0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world.  CCFestoon"},
  45         {"3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you."},
  46         {"410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams."},
  47         {"841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway."},
  48         {"163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!"},
  49         {"32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
  50         {"0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule"},
  51         {"6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++?  -Paul Glick"},
  52 }
  53
  54 func TestGolden(t *testing.T) {
  55         for i := 0; i < len(golden); i++ {
  56                 g := golden[i]
  57                 s := fmt.Sprintf("%x", Sum([]byte(g.in)))
  58                 if s != g.out {
  59                         t.Fatalf("Sum function: sha1(%s) = %s want %s", g.in, s, g.out)
  60                 }
  61                 c := New()
  62                 for j := 0; j < 3; j++ {
  63                         if j < 2 {
  64                                 io.WriteString(c, g.in)
  65                         } else {
  66                                 io.WriteString(c, g.in[0:len(g.in)/2])
  67                                 c.Sum(nil)
  68                                 io.WriteString(c, g.in[len(g.in)/2:])
  69                         }
  70                         s := fmt.Sprintf("%x", c.Sum(nil))
  71                         if s != g.out {
  72                                 t.Fatalf("sha1[%d](%s) = %s want %s", j, g.in, s, g.out)
  73                         }
  74                         c.Reset()
  75                 }
  76         }
  77 }
  78
  79 func TestSize(t *testing.T) {
  80         c := New()
  81         if got := c.Size(); got != Size {
  82                 t.Errorf("Size = %d; want %d", got, Size)
  83         }
  84 }
  85
  86 func TestBlockSize(t *testing.T) {
  87         c := New()
  88         if got := c.BlockSize(); got != BlockSize {
  89                 t.Errorf("BlockSize = %d; want %d", got, BlockSize)
  90         }
  91 }
  92
  93 var bench = New()
  94 var buf = make([]byte, 8192)
  95
  96 func benchmarkSize(b *testing.B, size int) {
  97         b.SetBytes(int64(size))
  98         sum := make([]byte, bench.Size())
  99         for i := 0; i < b.N; i++ {
 100                 bench.Reset()
 101                 bench.Write(buf[:size])
 102                 bench.Sum(sum[:0])
 103         }
 104 }
 105
 106 func BenchmarkHash8Bytes(b *testing.B) {
 107         benchmarkSize(b, 8)
 108 }
 109
 110 func BenchmarkHash1K(b *testing.B) {
 111         benchmarkSize(b, 1024)
 112 }
 113
 114 func BenchmarkHash8K(b *testing.B) {
 115         benchmarkSize(b, 8192)
 116 }