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/md5digest.h" 29 #include "talk/base/gunit.h" 30 #include "talk/base/stringencode.h" 31 32 namespace talk_base { 33 34 std::string Md5(const std::string& input) { 35 Md5Digest md5; 36 return ComputeDigest(&md5, input); 37 } 38 39 TEST(Md5DigestTest, TestSize) { 40 Md5Digest md5; 41 EXPECT_EQ(16, static_cast<int>(Md5Digest::kSize)); 42 EXPECT_EQ(16U, md5.Size()); 43 } 44 45 TEST(Md5DigestTest, TestBasic) { 46 // These are the standard MD5 test vectors from RFC 1321. 47 EXPECT_EQ("d41d8cd98f00b204e9800998ecf8427e", Md5("")); 48 EXPECT_EQ("0cc175b9c0f1b6a831c399e269772661", Md5("a")); 49 EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72", Md5("abc")); 50 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", Md5("message digest")); 51 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", 52 Md5("abcdefghijklmnopqrstuvwxyz")); 53 } 54 55 TEST(Md5DigestTest, TestMultipleUpdates) { 56 Md5Digest md5; 57 std::string input = "abcdefghijklmnopqrstuvwxyz"; 58 char output[Md5Digest::kSize]; 59 for (size_t i = 0; i < input.size(); ++i) { 60 md5.Update(&input[i], 1); 61 } 62 EXPECT_EQ(md5.Size(), md5.Finish(output, sizeof(output))); 63 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", 64 hex_encode(output, sizeof(output))); 65 } 66 67 TEST(Md5DigestTest, TestReuse) { 68 Md5Digest md5; 69 std::string input = "message digest"; 70 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", ComputeDigest(&md5, input)); 71 input = "abcdefghijklmnopqrstuvwxyz"; 72 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", ComputeDigest(&md5, input)); 73 } 74 75 TEST(Md5DigestTest, TestBufferTooSmall) { 76 Md5Digest md5; 77 std::string input = "abcdefghijklmnopqrstuvwxyz"; 78 char output[Md5Digest::kSize - 1]; 79 md5.Update(input.c_str(), input.size()); 80 EXPECT_EQ(0U, md5.Finish(output, sizeof(output))); 81 } 82 83 TEST(Md5DigestTest, TestBufferConst) { 84 Md5Digest md5; 85 const int kLongSize = 1000000; 86 std::string input(kLongSize, '\0'); 87 for (int i = 0; i < kLongSize; ++i) { 88 input[i] = static_cast<char>(i); 89 } 90 md5.Update(input.c_str(), input.size()); 91 for (int i = 0; i < kLongSize; ++i) { 92 EXPECT_EQ(static_cast<char>(i), input[i]); 93 } 94 } 95 96 } // namespace talk_base 97
