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* Copyright 2012, Google Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "talk/base/md5digest.h"
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#include "talk/base/gunit.h"
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#include "talk/base/stringencode.h"
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std::string Md5(const std::string& input) {
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return ComputeDigest(&md5, input);
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TEST(Md5DigestTest, TestSize) {
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EXPECT_EQ(16U, Md5Digest::kSize);
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EXPECT_EQ(16U, md5.Size());
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TEST(Md5DigestTest, TestBasic) {
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// These are the standard MD5 test vectors from RFC 1321.
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EXPECT_EQ("d41d8cd98f00b204e9800998ecf8427e", Md5(""));
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EXPECT_EQ("0cc175b9c0f1b6a831c399e269772661", Md5("a"));
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EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72", Md5("abc"));
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EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", Md5("message digest"));
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EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b",
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Md5("abcdefghijklmnopqrstuvwxyz"));
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TEST(Md5DigestTest, TestMultipleUpdates) {
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std::string input = "abcdefghijklmnopqrstuvwxyz";
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char output[Md5Digest::kSize];
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for (size_t i = 0; i < input.size(); ++i) {
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md5.Update(&input[i], 1);
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EXPECT_EQ(md5.Size(), md5.Finish(output, sizeof(output)));
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EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b",
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hex_encode(output, sizeof(output)));
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TEST(Md5DigestTest, TestReuse) {
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std::string input = "message digest";
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EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", ComputeDigest(&md5, input));
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input = "abcdefghijklmnopqrstuvwxyz";
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EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", ComputeDigest(&md5, input));
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TEST(Md5DigestTest, TestBufferTooSmall) {
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std::string input = "abcdefghijklmnopqrstuvwxyz";
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char output[Md5Digest::kSize - 1];
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md5.Update(input.c_str(), input.size());
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EXPECT_EQ(0U, md5.Finish(output, sizeof(output)));
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} // namespace talk_base