1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
12 #include "testing/gtest/include/gtest/gtest.h"
16 TEST(MD5, DigestToBase16) {
20 0xd4, 0x1d, 0x8c, 0xd9,
21 0x8f, 0x00, 0xb2, 0x04,
22 0xe9, 0x80, 0x09, 0x98,
23 0xec, 0xf8, 0x42, 0x7e
26 for (int i = 0; i < 16; ++i)
27 digest.a[i] = data[i] & 0xff;
29 std::string actual = MD5DigestToBase16(digest);
30 std::string expected = "d41d8cd98f00b204e9800998ecf8427e";
32 EXPECT_EQ(expected, actual);
35 TEST(MD5, MD5SumEmtpyData) {
37 const char data[] = "";
39 MD5Sum(data, strlen(data), &digest);
42 0xd4, 0x1d, 0x8c, 0xd9,
43 0x8f, 0x00, 0xb2, 0x04,
44 0xe9, 0x80, 0x09, 0x98,
45 0xec, 0xf8, 0x42, 0x7e
48 for (int i = 0; i < 16; ++i)
49 EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
52 TEST(MD5, MD5SumOneByteData) {
54 const char data[] = "a";
56 MD5Sum(data, strlen(data), &digest);
59 0x0c, 0xc1, 0x75, 0xb9,
60 0xc0, 0xf1, 0xb6, 0xa8,
61 0x31, 0xc3, 0x99, 0xe2,
62 0x69, 0x77, 0x26, 0x61
65 for (int i = 0; i < 16; ++i)
66 EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
69 TEST(MD5, MD5SumLongData) {
70 const int length = 10 * 1024 * 1024 + 1;
71 std::unique_ptr<char[]> data(new char[length]);
73 for (int i = 0; i < length; ++i)
77 MD5Sum(data.get(), length, &digest);
80 0x90, 0xbd, 0x6a, 0xd9,
81 0x0a, 0xce, 0xf5, 0xad,
82 0xaa, 0x92, 0x20, 0x3e,
83 0x21, 0xc7, 0xa1, 0x3e
86 for (int i = 0; i < 16; ++i)
87 EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
90 TEST(MD5, ContextWithEmptyData) {
95 MD5Final(&digest, &ctx);
98 0xd4, 0x1d, 0x8c, 0xd9,
99 0x8f, 0x00, 0xb2, 0x04,
100 0xe9, 0x80, 0x09, 0x98,
101 0xec, 0xf8, 0x42, 0x7e
104 for (int i = 0; i < 16; ++i)
105 EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
108 TEST(MD5, ContextWithLongData) {
112 const int length = 10 * 1024 * 1024 + 1;
113 std::unique_ptr<char[]> data(new char[length]);
115 for (int i = 0; i < length; ++i)
119 while (total < length) {
120 int len = 4097; // intentionally not 2^k.
121 if (len > length - total)
122 len = length - total;
125 StringPiece(reinterpret_cast<char*>(data.get() + total), len));
129 EXPECT_EQ(length, total);
132 MD5Final(&digest, &ctx);
135 0x90, 0xbd, 0x6a, 0xd9,
136 0x0a, 0xce, 0xf5, 0xad,
137 0xaa, 0x92, 0x20, 0x3e,
138 0x21, 0xc7, 0xa1, 0x3e
141 for (int i = 0; i < 16; ++i)
142 EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
145 // Example data from http://www.ietf.org/rfc/rfc1321.txt A.5 Test Suite
146 TEST(MD5, MD5StringTestSuite1) {
147 std::string actual = MD5String("");
148 std::string expected = "d41d8cd98f00b204e9800998ecf8427e";
149 EXPECT_EQ(expected, actual);
152 TEST(MD5, MD5StringTestSuite2) {
153 std::string actual = MD5String("a");
154 std::string expected = "0cc175b9c0f1b6a831c399e269772661";
155 EXPECT_EQ(expected, actual);
158 TEST(MD5, MD5StringTestSuite3) {
159 std::string actual = MD5String("abc");
160 std::string expected = "900150983cd24fb0d6963f7d28e17f72";
161 EXPECT_EQ(expected, actual);
164 TEST(MD5, MD5StringTestSuite4) {
165 std::string actual = MD5String("message digest");
166 std::string expected = "f96b697d7cb7938d525a2f31aaf161d0";
167 EXPECT_EQ(expected, actual);
170 TEST(MD5, MD5StringTestSuite5) {
171 std::string actual = MD5String("abcdefghijklmnopqrstuvwxyz");
172 std::string expected = "c3fcd3d76192e4007dfb496cca67e13b";
173 EXPECT_EQ(expected, actual);
176 TEST(MD5, MD5StringTestSuite6) {
177 std::string actual = MD5String("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
178 "abcdefghijklmnopqrstuvwxyz"
180 std::string expected = "d174ab98d277d9f5a5611c2c9f419d9f";
181 EXPECT_EQ(expected, actual);
184 TEST(MD5, MD5StringTestSuite7) {
185 std::string actual = MD5String("12345678901234567890"
186 "12345678901234567890"
187 "12345678901234567890"
188 "12345678901234567890");
189 std::string expected = "57edf4a22be3c955ac49da2e2107b67a";
190 EXPECT_EQ(expected, actual);
193 TEST(MD5, ContextWithStringData) {
197 MD5Update(&ctx, "abc");
200 MD5Final(&digest, &ctx);
202 std::string actual = MD5DigestToBase16(digest);
203 std::string expected = "900150983cd24fb0d6963f7d28e17f72";
205 EXPECT_EQ(expected, actual);
208 // Test that a digest generated by MD5IntermediateFinal() gives the same results
209 // as an independently-calculated digest, and also does not modify the context.
210 TEST(MD5, IntermediateFinal) {
211 // Independent context over the header.
212 MD5Context check_header_context;
213 MD5Init(&check_header_context);
215 // Independent context over entire input.
216 MD5Context check_full_context;
217 MD5Init(&check_full_context);
219 // Context intermediate digest will be calculated from.
223 static const char kHeader[] = "header data";
224 static const char kBody[] = "payload data";
226 MD5Update(&context, kHeader);
227 MD5Update(&check_header_context, kHeader);
228 MD5Update(&check_full_context, kHeader);
230 MD5Digest check_header_digest;
231 MD5Final(&check_header_digest, &check_header_context);
233 MD5Digest header_digest;
234 MD5IntermediateFinal(&header_digest, &context);
236 MD5Update(&context, kBody);
237 MD5Update(&check_full_context, kBody);
239 MD5Digest check_full_digest;
240 MD5Final(&check_full_digest, &check_full_context);
243 MD5Final(&digest, &context);
245 // The header and full digest pairs are the same, and they aren't the same as
247 EXPECT_TRUE(!memcmp(&header_digest, &check_header_digest,
248 sizeof(header_digest)));
249 EXPECT_TRUE(!memcmp(&digest, &check_full_digest, sizeof(digest)));
250 EXPECT_TRUE(memcmp(&digest, &header_digest, sizeof(digest)));