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[bytom/vapor.git] / vendor / golang.org / x / crypto / ripemd160 / ripemd160_test.go
1 // Copyright 2010 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 package ripemd160
6
7 // Test vectors are from:
8 // http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
9
10 import (
11         "fmt"
12         "io"
13         "testing"
14 )
15
16 type mdTest struct {
17         out string
18         in  string
19 }
20
21 var vectors = [...]mdTest{
22         {"9c1185a5c5e9fc54612808977ee8f548b2258d31", ""},
23         {"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe", "a"},
24         {"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc", "abc"},
25         {"5d0689ef49d2fae572b881b123a85ffa21595f36", "message digest"},
26         {"f71c27109c692c1b56bbdceb5b9d2865b3708dbc", "abcdefghijklmnopqrstuvwxyz"},
27         {"12a053384a9c0c88e405a06c27dcf49ada62eb2b", "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"},
28         {"b0e20b6e3116640286ed3a87a5713079b21f5189", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"},
29         {"9b752e45573d4b39f4dbd3323cab82bf63326bfb", "12345678901234567890123456789012345678901234567890123456789012345678901234567890"},
30 }
31
32 func TestVectors(t *testing.T) {
33         for i := 0; i < len(vectors); i++ {
34                 tv := vectors[i]
35                 md := New()
36                 for j := 0; j < 3; j++ {
37                         if j < 2 {
38                                 io.WriteString(md, tv.in)
39                         } else {
40                                 io.WriteString(md, tv.in[0:len(tv.in)/2])
41                                 md.Sum(nil)
42                                 io.WriteString(md, tv.in[len(tv.in)/2:])
43                         }
44                         s := fmt.Sprintf("%x", md.Sum(nil))
45                         if s != tv.out {
46                                 t.Fatalf("RIPEMD-160[%d](%s) = %s, expected %s", j, tv.in, s, tv.out)
47                         }
48                         md.Reset()
49                 }
50         }
51 }
52
53 func TestMillionA(t *testing.T) {
54         md := New()
55         for i := 0; i < 100000; i++ {
56                 io.WriteString(md, "aaaaaaaaaa")
57         }
58         out := "52783243c1697bdbe16d37f97f68f08325dc1528"
59         s := fmt.Sprintf("%x", md.Sum(nil))
60         if s != out {
61                 t.Fatalf("RIPEMD-160 (1 million 'a') = %s, expected %s", s, out)
62         }
63         md.Reset()
64 }