1 /*
2 * Copyright 2012 The WebRTC Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "rtc_base/md5digest.h"
12 #include "rtc_base/gunit.h"
13 #include "rtc_base/stringencode.h"
14
15 namespace rtc {
16
Md5(const std::string & input)17 std::string Md5(const std::string& input) {
18 Md5Digest md5;
19 return ComputeDigest(&md5, input);
20 }
21
TEST(Md5DigestTest,TestSize)22 TEST(Md5DigestTest, TestSize) {
23 Md5Digest md5;
24 EXPECT_EQ(16, static_cast<int>(Md5Digest::kSize));
25 EXPECT_EQ(16U, md5.Size());
26 }
27
TEST(Md5DigestTest,TestBasic)28 TEST(Md5DigestTest, TestBasic) {
29 // These are the standard MD5 test vectors from RFC 1321.
30 EXPECT_EQ("d41d8cd98f00b204e9800998ecf8427e", Md5(""));
31 EXPECT_EQ("0cc175b9c0f1b6a831c399e269772661", Md5("a"));
32 EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72", Md5("abc"));
33 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", Md5("message digest"));
34 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b",
35 Md5("abcdefghijklmnopqrstuvwxyz"));
36 }
37
TEST(Md5DigestTest,TestMultipleUpdates)38 TEST(Md5DigestTest, TestMultipleUpdates) {
39 Md5Digest md5;
40 std::string input = "abcdefghijklmnopqrstuvwxyz";
41 char output[Md5Digest::kSize];
42 for (size_t i = 0; i < input.size(); ++i) {
43 md5.Update(&input[i], 1);
44 }
45 EXPECT_EQ(md5.Size(), md5.Finish(output, sizeof(output)));
46 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b",
47 hex_encode(output, sizeof(output)));
48 }
49
TEST(Md5DigestTest,TestReuse)50 TEST(Md5DigestTest, TestReuse) {
51 Md5Digest md5;
52 std::string input = "message digest";
53 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", ComputeDigest(&md5, input));
54 input = "abcdefghijklmnopqrstuvwxyz";
55 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", ComputeDigest(&md5, input));
56 }
57
TEST(Md5DigestTest,TestBufferTooSmall)58 TEST(Md5DigestTest, TestBufferTooSmall) {
59 Md5Digest md5;
60 std::string input = "abcdefghijklmnopqrstuvwxyz";
61 char output[Md5Digest::kSize - 1];
62 md5.Update(input.c_str(), input.size());
63 EXPECT_EQ(0U, md5.Finish(output, sizeof(output)));
64 }
65
TEST(Md5DigestTest,TestBufferConst)66 TEST(Md5DigestTest, TestBufferConst) {
67 Md5Digest md5;
68 const int kLongSize = 1000000;
69 std::string input(kLongSize, '\0');
70 for (int i = 0; i < kLongSize; ++i) {
71 input[i] = static_cast<char>(i);
72 }
73 md5.Update(input.c_str(), input.size());
74 for (int i = 0; i < kLongSize; ++i) {
75 EXPECT_EQ(static_cast<char>(i), input[i]);
76 }
77 }
78
79 } // namespace rtc
80