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7a938933 ILT |
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 | ||
501699af | 7 | package sha1_test |
7a938933 ILT |
8 | |
9 | import ( | |
501699af | 10 | "crypto/sha1" |
7a938933 ILT |
11 | "fmt" |
12 | "io" | |
13 | "testing" | |
14 | ) | |
15 | ||
16 | type sha1Test struct { | |
17 | out string | |
18 | in string | |
19 | } | |
20 | ||
21 | var golden = []sha1Test{ | |
22 | {"da39a3ee5e6b4b0d3255bfef95601890afd80709", ""}, | |
23 | {"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a"}, | |
24 | {"da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab"}, | |
25 | {"a9993e364706816aba3e25717850c26c9cd0d89d", "abc"}, | |
26 | {"81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd"}, | |
27 | {"03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde"}, | |
28 | {"1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef"}, | |
29 | {"2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg"}, | |
30 | {"425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh"}, | |
31 | {"c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi"}, | |
32 | {"d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij"}, | |
33 | {"ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old."}, | |
34 | {"e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last."}, | |
35 | {"45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole."}, | |
36 | {"55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"}, | |
37 | {"b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered. -Tom Stoppard"}, | |
38 | {"c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign."}, | |
39 | {"6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program."}, | |
40 | {"597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine."}, | |
41 | {"6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"}, | |
42 | {"514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"}, | |
43 | {"c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size: a.out: bad magic"}, | |
44 | {"74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail. -Mark Horton"}, | |
45 | {"0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world. CCFestoon"}, | |
46 | {"3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you."}, | |
47 | {"410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams."}, | |
48 | {"841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway."}, | |
49 | {"163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!"}, | |
50 | {"32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"}, | |
51 | {"0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"}, | |
52 | {"6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++? -Paul Glick"}, | |
53 | } | |
54 | ||
55 | func TestGolden(t *testing.T) { | |
56 | for i := 0; i < len(golden); i++ { | |
57 | g := golden[i] | |
501699af | 58 | c := sha1.New() |
7a938933 ILT |
59 | for j := 0; j < 3; j++ { |
60 | if j < 2 { | |
61 | io.WriteString(c, g.in) | |
62 | } else { | |
63 | io.WriteString(c, g.in[0:len(g.in)/2]) | |
7b1c3dd9 | 64 | c.Sum(nil) |
7a938933 ILT |
65 | io.WriteString(c, g.in[len(g.in)/2:]) |
66 | } | |
7b1c3dd9 | 67 | s := fmt.Sprintf("%x", c.Sum(nil)) |
7a938933 ILT |
68 | if s != g.out { |
69 | t.Fatalf("sha1[%d](%s) = %s want %s", j, g.in, s, g.out) | |
70 | } | |
71 | c.Reset() | |
72 | } | |
73 | } | |
74 | } | |
501699af ILT |
75 | |
76 | func ExampleNew() { | |
77 | h := sha1.New() | |
78 | io.WriteString(h, "His money is twice tainted: 'taint yours and 'taint mine.") | |
79 | fmt.Printf("% x", h.Sum(nil)) | |
80 | // Output: 59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd | |
81 | } | |
4ccad563 ILT |
82 | |
83 | var bench = sha1.New() | |
84 | var buf = makeBuf() | |
85 | ||
86 | func makeBuf() []byte { | |
87 | b := make([]byte, 8<<10) | |
88 | for i := range b { | |
89 | b[i] = byte(i) | |
90 | } | |
91 | return b | |
92 | } | |
93 | ||
94 | func BenchmarkHash1K(b *testing.B) { | |
95 | b.SetBytes(1024) | |
96 | for i := 0; i < b.N; i++ { | |
97 | bench.Write(buf[:1024]) | |
98 | } | |
99 | } | |
100 | ||
101 | func BenchmarkHash8K(b *testing.B) { | |
102 | b.SetBytes(int64(len(buf))) | |
103 | for i := 0; i < b.N; i++ { | |
104 | bench.Write(buf) | |
105 | } | |
106 | } |