1 /*
2  * libjingle
3  * Copyright 2012, Google Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  *  1. Redistributions of source code must retain the above copyright notice,
9  *     this list of conditions and the following disclaimer.
10  *  2. Redistributions in binary form must reproduce the above copyright notice,
11  *     this list of conditions and the following disclaimer in the documentation
12  *     and/or other materials provided with the distribution.
13  *  3. The name of the author may not be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "talk/base/sha1digest.h"
29 #include "talk/base/gunit.h"
30 #include "talk/base/stringencode.h"
31 
32 namespace talk_base {
33 
Sha1(const std::string & input)34 std::string Sha1(const std::string& input) {
35   Sha1Digest sha1;
36   return ComputeDigest(&sha1, input);
37 }
38 
TEST(Sha1DigestTest,TestSize)39 TEST(Sha1DigestTest, TestSize) {
40   Sha1Digest sha1;
41   EXPECT_EQ(20U, Sha1Digest::kSize);
42   EXPECT_EQ(20U, sha1.Size());
43 }
44 
TEST(Sha1DigestTest,TestBasic)45 TEST(Sha1DigestTest, TestBasic) {
46   // Test vectors from sha1.c.
47   EXPECT_EQ("da39a3ee5e6b4b0d3255bfef95601890afd80709", Sha1(""));
48   EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", Sha1("abc"));
49   EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
50             Sha1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
51   std::string a_million_as(1000000, 'a');
52   EXPECT_EQ("34aa973cd4c4daa4f61eeb2bdbad27316534016f", Sha1(a_million_as));
53 }
54 
TEST(Sha1DigestTest,TestMultipleUpdates)55 TEST(Sha1DigestTest, TestMultipleUpdates) {
56   Sha1Digest sha1;
57   std::string input =
58       "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
59   char output[Sha1Digest::kSize];
60   for (size_t i = 0; i < input.size(); ++i) {
61     sha1.Update(&input[i], 1);
62   }
63   EXPECT_EQ(sha1.Size(), sha1.Finish(output, sizeof(output)));
64   EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
65             hex_encode(output, sizeof(output)));
66 }
67 
TEST(Sha1DigestTest,TestReuse)68 TEST(Sha1DigestTest, TestReuse) {
69   Sha1Digest sha1;
70   std::string input = "abc";
71   EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d",
72             ComputeDigest(&sha1, input));
73   input = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
74   EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
75             ComputeDigest(&sha1, input));
76 }
77 
TEST(Sha1DigestTest,TestBufferTooSmall)78 TEST(Sha1DigestTest, TestBufferTooSmall) {
79   Sha1Digest sha1;
80   std::string input = "abc";
81   char output[Sha1Digest::kSize - 1];
82   sha1.Update(input.c_str(), input.size());
83   EXPECT_EQ(0U, sha1.Finish(output, sizeof(output)));
84 }
85 
86 }  // namespace talk_base
87