src/net/quic/crypto/channel_id_test.cc

   1 // Copyright 2013 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.
   4
   5 #include "net/quic/crypto/channel_id.h"
   6
   7 #include "net/quic/test_tools/crypto_test_utils.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 using base::StringPiece;
  11 using std::string;
  12
  13 namespace net {
  14 namespace test {
  15
  16 namespace {
  17
  18 // The following ECDSA signature verification test vectors for P-256,SHA-256
  19 // come from the SigVer.rsp file in
  20 // http://csrc.nist.gov/groups/STM/cavp/documents/dss/186-3ecdsatestvectors.zip
  21 // downloaded on 2013-06-11.
  22 struct TestVector {
  23   // Input:
  24   const char* msg;
  25   const char* qx;
  26   const char* qy;
  27   const char* r;
  28   const char* s;
  29
  30   // Expected output:
  31   bool result;  // true means "P", false means "F"
  32 };
  33
  34 const TestVector test_vector[] = {
  35   { "e4796db5f785f207aa30d311693b3702821dff1168fd2e04c0836825aefd850d"
  36     "9aa60326d88cde1a23c7745351392ca2288d632c264f197d05cd424a30336c19"
  37     "fd09bb229654f0222fcb881a4b35c290a093ac159ce13409111ff0358411133c"
  38     "24f5b8e2090d6db6558afc36f06ca1f6ef779785adba68db27a409859fc4c4a0",
  39     "87f8f2b218f49845f6f10eec3877136269f5c1a54736dbdf69f89940cad41555",
  40     "e15f369036f49842fac7a86c8a2b0557609776814448b8f5e84aa9f4395205e9",
  41     "d19ff48b324915576416097d2544f7cbdf8768b1454ad20e0baac50e211f23b0",
  42     "a3e81e59311cdfff2d4784949f7a2cb50ba6c3a91fa54710568e61aca3e847c6",
  43     false  // F (3 - S changed)
  44   },
  45   { "069a6e6b93dfee6df6ef6997cd80dd2182c36653cef10c655d524585655462d6"
  46     "83877f95ecc6d6c81623d8fac4e900ed0019964094e7de91f1481989ae187300"
  47     "4565789cbf5dc56c62aedc63f62f3b894c9c6f7788c8ecaadc9bd0e81ad91b2b"
  48     "3569ea12260e93924fdddd3972af5273198f5efda0746219475017557616170e",
  49     "5cf02a00d205bdfee2016f7421807fc38ae69e6b7ccd064ee689fc1a94a9f7d2",
  50     "ec530ce3cc5c9d1af463f264d685afe2b4db4b5828d7e61b748930f3ce622a85",
  51     "dc23d130c6117fb5751201455e99f36f59aba1a6a21cf2d0e7481a97451d6693",
  52     "d6ce7708c18dbf35d4f8aa7240922dc6823f2e7058cbc1484fcad1599db5018c",
  53     false  // F (2 - R changed)
  54   },
  55   { "df04a346cf4d0e331a6db78cca2d456d31b0a000aa51441defdb97bbeb20b94d"
  56     "8d746429a393ba88840d661615e07def615a342abedfa4ce912e562af7149598"
  57     "96858af817317a840dcff85a057bb91a3c2bf90105500362754a6dd321cdd861"
  58     "28cfc5f04667b57aa78c112411e42da304f1012d48cd6a7052d7de44ebcc01de",
  59     "2ddfd145767883ffbb0ac003ab4a44346d08fa2570b3120dcce94562422244cb",
  60     "5f70c7d11ac2b7a435ccfbbae02c3df1ea6b532cc0e9db74f93fffca7c6f9a64",
  61     "9913111cff6f20c5bf453a99cd2c2019a4e749a49724a08774d14e4c113edda8",
  62     "9467cd4cd21ecb56b0cab0a9a453b43386845459127a952421f5c6382866c5cc",
  63     false  // F (4 - Q changed)
  64   },
  65   { "e1130af6a38ccb412a9c8d13e15dbfc9e69a16385af3c3f1e5da954fd5e7c45f"
  66     "d75e2b8c36699228e92840c0562fbf3772f07e17f1add56588dd45f7450e1217"
  67     "ad239922dd9c32695dc71ff2424ca0dec1321aa47064a044b7fe3c2b97d03ce4"
  68     "70a592304c5ef21eed9f93da56bb232d1eeb0035f9bf0dfafdcc4606272b20a3",
  69     "e424dc61d4bb3cb7ef4344a7f8957a0c5134e16f7a67c074f82e6e12f49abf3c",
  70     "970eed7aa2bc48651545949de1dddaf0127e5965ac85d1243d6f60e7dfaee927",
  71     "bf96b99aa49c705c910be33142017c642ff540c76349b9dab72f981fd9347f4f",
  72     "17c55095819089c2e03b9cd415abdf12444e323075d98f31920b9e0f57ec871c",
  73     true  // P (0 )
  74   },
  75   { "73c5f6a67456ae48209b5f85d1e7de7758bf235300c6ae2bdceb1dcb27a7730f"
  76     "b68c950b7fcada0ecc4661d3578230f225a875e69aaa17f1e71c6be5c831f226"
  77     "63bac63d0c7a9635edb0043ff8c6f26470f02a7bc56556f1437f06dfa27b487a"
  78     "6c4290d8bad38d4879b334e341ba092dde4e4ae694a9c09302e2dbf443581c08",
  79     "e0fc6a6f50e1c57475673ee54e3a57f9a49f3328e743bf52f335e3eeaa3d2864",
  80     "7f59d689c91e463607d9194d99faf316e25432870816dde63f5d4b373f12f22a",
  81     "1d75830cd36f4c9aa181b2c4221e87f176b7f05b7c87824e82e396c88315c407",
  82     "cb2acb01dac96efc53a32d4a0d85d0c2e48955214783ecf50a4f0414a319c05a",
  83     true  // P (0 )
  84   },
  85   { "666036d9b4a2426ed6585a4e0fd931a8761451d29ab04bd7dc6d0c5b9e38e6c2"
  86     "b263ff6cb837bd04399de3d757c6c7005f6d7a987063cf6d7e8cb38a4bf0d74a"
  87     "282572bd01d0f41e3fd066e3021575f0fa04f27b700d5b7ddddf50965993c3f9"
  88     "c7118ed78888da7cb221849b3260592b8e632d7c51e935a0ceae15207bedd548",
  89     "a849bef575cac3c6920fbce675c3b787136209f855de19ffe2e8d29b31a5ad86",
  90     "bf5fe4f7858f9b805bd8dcc05ad5e7fb889de2f822f3d8b41694e6c55c16b471",
  91     "25acc3aa9d9e84c7abf08f73fa4195acc506491d6fc37cb9074528a7db87b9d6",
  92     "9b21d5b5259ed3f2ef07dfec6cc90d3a37855d1ce122a85ba6a333f307d31537",
  93     false  // F (2 - R changed)
  94   },
  95   { "7e80436bce57339ce8da1b5660149a20240b146d108deef3ec5da4ae256f8f89"
  96     "4edcbbc57b34ce37089c0daa17f0c46cd82b5a1599314fd79d2fd2f446bd5a25"
  97     "b8e32fcf05b76d644573a6df4ad1dfea707b479d97237a346f1ec632ea5660ef"
  98     "b57e8717a8628d7f82af50a4e84b11f21bdff6839196a880ae20b2a0918d58cd",
  99     "3dfb6f40f2471b29b77fdccba72d37c21bba019efa40c1c8f91ec405d7dcc5df",
 100     "f22f953f1e395a52ead7f3ae3fc47451b438117b1e04d613bc8555b7d6e6d1bb",
 101     "548886278e5ec26bed811dbb72db1e154b6f17be70deb1b210107decb1ec2a5a",
 102     "e93bfebd2f14f3d827ca32b464be6e69187f5edbd52def4f96599c37d58eee75",
 103     false  // F (4 - Q changed)
 104   },
 105   { "1669bfb657fdc62c3ddd63269787fc1c969f1850fb04c933dda063ef74a56ce1"
 106     "3e3a649700820f0061efabf849a85d474326c8a541d99830eea8131eaea584f2"
 107     "2d88c353965dabcdc4bf6b55949fd529507dfb803ab6b480cd73ca0ba00ca19c"
 108     "438849e2cea262a1c57d8f81cd257fb58e19dec7904da97d8386e87b84948169",
 109     "69b7667056e1e11d6caf6e45643f8b21e7a4bebda463c7fdbc13bc98efbd0214",
 110     "d3f9b12eb46c7c6fda0da3fc85bc1fd831557f9abc902a3be3cb3e8be7d1aa2f",
 111     "288f7a1cd391842cce21f00e6f15471c04dc182fe4b14d92dc18910879799790",
 112     "247b3c4e89a3bcadfea73c7bfd361def43715fa382b8c3edf4ae15d6e55e9979",
 113     false  // F (1 - Message changed)
 114   },
 115   { "3fe60dd9ad6caccf5a6f583b3ae65953563446c4510b70da115ffaa0ba04c076"
 116     "115c7043ab8733403cd69c7d14c212c655c07b43a7c71b9a4cffe22c2684788e"
 117     "c6870dc2013f269172c822256f9e7cc674791bf2d8486c0f5684283e1649576e"
 118     "fc982ede17c7b74b214754d70402fb4bb45ad086cf2cf76b3d63f7fce39ac970",
 119     "bf02cbcf6d8cc26e91766d8af0b164fc5968535e84c158eb3bc4e2d79c3cc682",
 120     "069ba6cb06b49d60812066afa16ecf7b51352f2c03bd93ec220822b1f3dfba03",
 121     "f5acb06c59c2b4927fb852faa07faf4b1852bbb5d06840935e849c4d293d1bad",
 122     "049dab79c89cc02f1484c437f523e080a75f134917fda752f2d5ca397addfe5d",
 123     false  // F (3 - S changed)
 124   },
 125   { "983a71b9994d95e876d84d28946a041f8f0a3f544cfcc055496580f1dfd4e312"
 126     "a2ad418fe69dbc61db230cc0c0ed97e360abab7d6ff4b81ee970a7e97466acfd"
 127     "9644f828ffec538abc383d0e92326d1c88c55e1f46a668a039beaa1be631a891"
 128     "29938c00a81a3ae46d4aecbf9707f764dbaccea3ef7665e4c4307fa0b0a3075c",
 129     "224a4d65b958f6d6afb2904863efd2a734b31798884801fcab5a590f4d6da9de",
 130     "178d51fddada62806f097aa615d33b8f2404e6b1479f5fd4859d595734d6d2b9",
 131     "87b93ee2fecfda54deb8dff8e426f3c72c8864991f8ec2b3205bb3b416de93d2",
 132     "4044a24df85be0cc76f21a4430b75b8e77b932a87f51e4eccbc45c263ebf8f66",
 133     false  // F (2 - R changed)
 134   },
 135   { "4a8c071ac4fd0d52faa407b0fe5dab759f7394a5832127f2a3498f34aac28733"
 136     "9e043b4ffa79528faf199dc917f7b066ad65505dab0e11e6948515052ce20cfd"
 137     "b892ffb8aa9bf3f1aa5be30a5bbe85823bddf70b39fd7ebd4a93a2f75472c1d4"
 138     "f606247a9821f1a8c45a6cb80545de2e0c6c0174e2392088c754e9c8443eb5af",
 139     "43691c7795a57ead8c5c68536fe934538d46f12889680a9cb6d055a066228369",
 140     "f8790110b3c3b281aa1eae037d4f1234aff587d903d93ba3af225c27ddc9ccac",
 141     "8acd62e8c262fa50dd9840480969f4ef70f218ebf8ef9584f199031132c6b1ce",
 142     "cfca7ed3d4347fb2a29e526b43c348ae1ce6c60d44f3191b6d8ea3a2d9c92154",
 143     false  // F (3 - S changed)
 144   },
 145   { "0a3a12c3084c865daf1d302c78215d39bfe0b8bf28272b3c0b74beb4b7409db0"
 146     "718239de700785581514321c6440a4bbaea4c76fa47401e151e68cb6c29017f0"
 147     "bce4631290af5ea5e2bf3ed742ae110b04ade83a5dbd7358f29a85938e23d87a"
 148     "c8233072b79c94670ff0959f9c7f4517862ff829452096c78f5f2e9a7e4e9216",
 149     "9157dbfcf8cf385f5bb1568ad5c6e2a8652ba6dfc63bc1753edf5268cb7eb596",
 150     "972570f4313d47fc96f7c02d5594d77d46f91e949808825b3d31f029e8296405",
 151     "dfaea6f297fa320b707866125c2a7d5d515b51a503bee817de9faa343cc48eeb",
 152     "8f780ad713f9c3e5a4f7fa4c519833dfefc6a7432389b1e4af463961f09764f2",
 153     false  // F (1 - Message changed)
 154   },
 155   { "785d07a3c54f63dca11f5d1a5f496ee2c2f9288e55007e666c78b007d95cc285"
 156     "81dce51f490b30fa73dc9e2d45d075d7e3a95fb8a9e1465ad191904124160b7c"
 157     "60fa720ef4ef1c5d2998f40570ae2a870ef3e894c2bc617d8a1dc85c3c557749"
 158     "28c38789b4e661349d3f84d2441a3b856a76949b9f1f80bc161648a1cad5588e",
 159     "072b10c081a4c1713a294f248aef850e297991aca47fa96a7470abe3b8acfdda",
 160     "9581145cca04a0fb94cedce752c8f0370861916d2a94e7c647c5373ce6a4c8f5",
 161     "09f5483eccec80f9d104815a1be9cc1a8e5b12b6eb482a65c6907b7480cf4f19",
 162     "a4f90e560c5e4eb8696cb276e5165b6a9d486345dedfb094a76e8442d026378d",
 163     false  // F (4 - Q changed)
 164   },
 165   { "76f987ec5448dd72219bd30bf6b66b0775c80b394851a43ff1f537f140a6e722"
 166     "9ef8cd72ad58b1d2d20298539d6347dd5598812bc65323aceaf05228f738b5ad"
 167     "3e8d9fe4100fd767c2f098c77cb99c2992843ba3eed91d32444f3b6db6cd212d"
 168     "d4e5609548f4bb62812a920f6e2bf1581be1ebeebdd06ec4e971862cc42055ca",
 169     "09308ea5bfad6e5adf408634b3d5ce9240d35442f7fe116452aaec0d25be8c24",
 170     "f40c93e023ef494b1c3079b2d10ef67f3170740495ce2cc57f8ee4b0618b8ee5",
 171     "5cc8aa7c35743ec0c23dde88dabd5e4fcd0192d2116f6926fef788cddb754e73",
 172     "9c9c045ebaa1b828c32f82ace0d18daebf5e156eb7cbfdc1eff4399a8a900ae7",
 173     false  // F (1 - Message changed)
 174   },
 175   { "60cd64b2cd2be6c33859b94875120361a24085f3765cb8b2bf11e026fa9d8855"
 176     "dbe435acf7882e84f3c7857f96e2baab4d9afe4588e4a82e17a78827bfdb5ddb"
 177     "d1c211fbc2e6d884cddd7cb9d90d5bf4a7311b83f352508033812c776a0e00c0"
 178     "03c7e0d628e50736c7512df0acfa9f2320bd102229f46495ae6d0857cc452a84",
 179     "2d98ea01f754d34bbc3003df5050200abf445ec728556d7ed7d5c54c55552b6d",
 180     "9b52672742d637a32add056dfd6d8792f2a33c2e69dafabea09b960bc61e230a",
 181     "06108e525f845d0155bf60193222b3219c98e3d49424c2fb2a0987f825c17959",
 182     "62b5cdd591e5b507e560167ba8f6f7cda74673eb315680cb89ccbc4eec477dce",
 183     true  // P (0 )
 184   },
 185   { NULL }
 186 };
 187
 188 // Returns true if |ch| is a lowercase hexadecimal digit.
 189 bool IsHexDigit(char ch) {
 190   return ('0' <= ch && ch <= '9') || ('a' <= ch && ch <= 'f');
 191 }
 192
 193 // Converts a lowercase hexadecimal digit to its integer value.
 194 int HexDigitToInt(char ch) {
 195   if ('0' <= ch && ch <= '9') {
 196     return ch - '0';
 197   }
 198   return ch - 'a' + 10;
 199 }
 200
 201 // |in| is a string consisting of lowercase hexadecimal digits, where
 202 // every two digits represent one byte. |out| is a buffer of size |max_len|.
 203 // Converts |in| to bytes and stores the bytes in the |out| buffer. The
 204 // number of bytes converted is returned in |*out_len|. Returns true on
 205 // success, false on failure.
 206 bool DecodeHexString(const char* in,
 207                      char* out,
 208                      size_t* out_len,
 209                      size_t max_len) {
 210   if (!in) {
 211     *out_len = (size_t)-1;
 212     return true;
 213   }
 214   *out_len = 0;
 215   while (*in != '\0') {
 216     if (!IsHexDigit(*in) || !IsHexDigit(*(in + 1))) {
 217       return false;
 218     }
 219     if (*out_len >= max_len) {
 220       return false;
 221     }
 222     out[*out_len] = HexDigitToInt(*in) * 16 + HexDigitToInt(*(in + 1));
 223     (*out_len)++;
 224     in += 2;
 225   }
 226   return true;
 227 }
 228
 229 }  // namespace
 230
 231 // A known answer test for ChannelIDVerifier.
 232 TEST(ChannelIDTest, VerifyKnownAnswerTest) {
 233   char msg[1024];
 234   size_t msg_len;
 235   char key[64];
 236   size_t qx_len;
 237   size_t qy_len;
 238   char signature[64];
 239   size_t r_len;
 240   size_t s_len;
 241
 242   for (size_t i = 0; test_vector[i].msg != NULL; i++) {
 243     SCOPED_TRACE(i);
 244     // Decode the test vector.
 245     ASSERT_TRUE(
 246         DecodeHexString(test_vector[i].msg, msg, &msg_len, sizeof(msg)));
 247     ASSERT_TRUE(DecodeHexString(test_vector[i].qx, key, &qx_len, sizeof(key)));
 248     ASSERT_TRUE(DecodeHexString(test_vector[i].qy, key + qx_len, &qy_len,
 249                                 sizeof(key) - qx_len));
 250     ASSERT_TRUE(DecodeHexString(test_vector[i].r, signature, &r_len,
 251                                 sizeof(signature)));
 252     ASSERT_TRUE(DecodeHexString(test_vector[i].s, signature + r_len, &s_len,
 253                                 sizeof(signature) - r_len));
 254
 255     // The test vector's lengths should look sane.
 256     EXPECT_EQ(sizeof(key) / 2, qx_len);
 257     EXPECT_EQ(sizeof(key) / 2, qy_len);
 258     EXPECT_EQ(sizeof(signature) / 2, r_len);
 259     EXPECT_EQ(sizeof(signature) / 2, s_len);
 260
 261     EXPECT_EQ(test_vector[i].result,
 262               ChannelIDVerifier::VerifyRaw(
 263                   StringPiece(key, sizeof(key)),
 264                   StringPiece(msg, msg_len),
 265                   StringPiece(signature, sizeof(signature)),
 266                   false));
 267   }
 268 }
 269
 270 TEST(ChannelIDTest, SignAndVerify) {
 271   scoped_ptr<ChannelIDSigner> signer(
 272       CryptoTestUtils::ChannelIDSignerForTesting());
 273
 274   const string signed_data = "signed data";
 275   const string hostname = "foo.example.com";
 276   string key, signature;
 277   ASSERT_TRUE(signer->Sign(hostname, signed_data, &key, &signature));
 278
 279   EXPECT_EQ(key, signer->GetKeyForHostname(hostname));
 280
 281   EXPECT_TRUE(ChannelIDVerifier::Verify(key, signed_data, signature));
 282
 283   EXPECT_FALSE(ChannelIDVerifier::Verify("a" + key, signed_data, signature));
 284   EXPECT_FALSE(ChannelIDVerifier::Verify(key, "a" + signed_data, signature));
 285
 286   scoped_ptr<char[]> bad_key(new char[key.size()]);
 287   memcpy(bad_key.get(), key.data(), key.size());
 288   bad_key[1] ^= 0x80;
 289   EXPECT_FALSE(ChannelIDVerifier::Verify(
 290       string(bad_key.get(), key.size()), signed_data, signature));
 291
 292   scoped_ptr<char[]> bad_signature(new char[signature.size()]);
 293   memcpy(bad_signature.get(), signature.data(), signature.size());
 294   bad_signature[1] ^= 0x80;
 295   EXPECT_FALSE(ChannelIDVerifier::Verify(
 296       key, signed_data, string(bad_signature.get(), signature.size())));
 297
 298   EXPECT_FALSE(ChannelIDVerifier::Verify(
 299       key, "wrong signed data", signature));
 300 }
 301
 302 }  // namespace test
 303 }  // namespace net