libgo/go/crypto/elliptic/elliptic_test.go

   1 // Copyright 2010 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package elliptic
   6
   7 import (
   8         "big"
   9         "crypto/rand"
  10         "fmt"
  11         "testing"
  12 )
  13
  14 func TestOnCurve(t *testing.T) {
  15         p224 := P224()
  16         if !p224.IsOnCurve(p224.Gx, p224.Gy) {
  17                 t.Errorf("FAIL")
  18         }
  19 }
  20
  21 type baseMultTest struct {
  22         k    string
  23         x, y string
  24 }
  25
  26 var p224BaseMultTests = []baseMultTest{
  27         {
  28                 "1",
  29                 "b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
  30                 "bd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34",
  31         },
  32         {
  33                 "2",
  34                 "706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6",
  35                 "1c2b76a7bc25e7702a704fa986892849fca629487acf3709d2e4e8bb",
  36         },
  37         {
  38                 "3",
  39                 "df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04",
  40                 "a3f7f03cadd0be444c0aa56830130ddf77d317344e1af3591981a925",
  41         },
  42         {
  43                 "4",
  44                 "ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301",
  45                 "482580a0ec5bc47e88bc8c378632cd196cb3fa058a7114eb03054c9",
  46         },
  47         {
  48                 "5",
  49                 "31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa",
  50                 "27e8bff1745635ec5ba0c9f1c2ede15414c6507d29ffe37e790a079b",
  51         },
  52         {
  53                 "6",
  54                 "1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408",
  55                 "89faf0ccb750d99b553c574fad7ecfb0438586eb3952af5b4b153c7e",
  56         },
  57         {
  58                 "7",
  59                 "db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28",
  60                 "f3a30085497f2f611ee2517b163ef8c53b715d18bb4e4808d02b963",
  61         },
  62         {
  63                 "8",
  64                 "858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550",
  65                 "46dcd3ea5c43898c5c5fc4fdac7db39c2f02ebee4e3541d1e78047a",
  66         },
  67         {
  68                 "9",
  69                 "2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d",
  70                 "371732e4f41bf4f7883035e6a79fcedc0e196eb07b48171697517463",
  71         },
  72         {
  73                 "10",
  74                 "aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd",
  75                 "39bb30eab337e0a521b6cba1abe4b2b3a3e524c14a3fe3eb116b655f",
  76         },
  77         {
  78                 "11",
  79                 "ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c",
  80                 "20b510004092e96636cfb7e32efded8265c266dfb754fa6d6491a6da",
  81         },
  82         {
  83                 "12",
  84                 "6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a",
  85                 "207dddf0385bfdeab6e9acda8da06b3bbef224a93ab1e9e036109d13",
  86         },
  87         {
  88                 "13",
  89                 "34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca",
  90                 "252819f71c7fb7fbcb159be337d37d3336d7feb963724fdfb0ecb767",
  91         },
  92         {
  93                 "14",
  94                 "a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa",
  95                 "d5814cd724199c4a5b974a43685fbf5b8bac69459c9469bc8f23ccaf",
  96         },
  97         {
  98                 "15",
  99                 "baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9",
 100                 "979a5f4759f80f4fb4ec2e34f5566d595680a11735e7b61046127989",
 101         },
 102         {
 103                 "16",
 104                 "b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d",
 105                 "3399d464345906b11b00e363ef429221f2ec720d2f665d7dead5b482",
 106         },
 107         {
 108                 "17",
 109                 "b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc",
 110                 "ff149efa6606a6bd20ef7d1b06bd92f6904639dce5174db6cc554a26",
 111         },
 112         {
 113                 "18",
 114                 "c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc",
 115                 "ea98d60e5ffc9b8fcf999fab1df7e7ef7084f20ddb61bb045a6ce002",
 116         },
 117         {
 118                 "19",
 119                 "a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c",
 120                 "dcf1f6c3db09c70acc25391d492fe25b4a180babd6cea356c04719cd",
 121         },
 122         {
 123                 "20",
 124                 "fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455",
 125                 "d5d7110274cba7cdee90e1a8b0d394c376a5573db6be0bf2747f530",
 126         },
 127         {
 128                 "112233445566778899",
 129                 "61f077c6f62ed802dad7c2f38f5c67f2cc453601e61bd076bb46179e",
 130                 "2272f9e9f5933e70388ee652513443b5e289dd135dcc0d0299b225e4",
 131         },
 132         {
 133                 "112233445566778899112233445566778899",
 134                 "29895f0af496bfc62b6ef8d8a65c88c613949b03668aab4f0429e35",
 135                 "3ea6e53f9a841f2019ec24bde1a75677aa9b5902e61081c01064de93",
 136         },
 137         {
 138                 "6950511619965839450988900688150712778015737983940691968051900319680",
 139                 "ab689930bcae4a4aa5f5cb085e823e8ae30fd365eb1da4aba9cf0379",
 140                 "3345a121bbd233548af0d210654eb40bab788a03666419be6fbd34e7",
 141         },
 142         {
 143                 "13479972933410060327035789020509431695094902435494295338570602119423",
 144                 "bdb6a8817c1f89da1c2f3dd8e97feb4494f2ed302a4ce2bc7f5f4025",
 145                 "4c7020d57c00411889462d77a5438bb4e97d177700bf7243a07f1680",
 146         },
 147         {
 148                 "13479971751745682581351455311314208093898607229429740618390390702079",
 149                 "d58b61aa41c32dd5eba462647dba75c5d67c83606c0af2bd928446a9",
 150                 "d24ba6a837be0460dd107ae77725696d211446c5609b4595976b16bd",
 151         },
 152         {
 153                 "13479972931865328106486971546324465392952975980343228160962702868479",
 154                 "dc9fa77978a005510980e929a1485f63716df695d7a0c18bb518df03",
 155                 "ede2b016f2ddffc2a8c015b134928275ce09e5661b7ab14ce0d1d403",
 156         },
 157         {
 158                 "11795773708834916026404142434151065506931607341523388140225443265536",
 159                 "499d8b2829cfb879c901f7d85d357045edab55028824d0f05ba279ba",
 160                 "bf929537b06e4015919639d94f57838fa33fc3d952598dcdbb44d638",
 161         },
 162         {
 163                 "784254593043826236572847595991346435467177662189391577090",
 164                 "8246c999137186632c5f9eddf3b1b0e1764c5e8bd0e0d8a554b9cb77",
 165                 "e80ed8660bc1cb17ac7d845be40a7a022d3306f116ae9f81fea65947",
 166         },
 167         {
 168                 "13479767645505654746623887797783387853576174193480695826442858012671",
 169                 "6670c20afcceaea672c97f75e2e9dd5c8460e54bb38538ebb4bd30eb",
 170                 "f280d8008d07a4caf54271f993527d46ff3ff46fd1190a3f1faa4f74",
 171         },
 172         {
 173                 "205688069665150753842126177372015544874550518966168735589597183",
 174                 "eca934247425cfd949b795cb5ce1eff401550386e28d1a4c5a8eb",
 175                 "d4c01040dba19628931bc8855370317c722cbd9ca6156985f1c2e9ce",
 176         },
 177         {
 178                 "13479966930919337728895168462090683249159702977113823384618282123295",
 179                 "ef353bf5c73cd551b96d596fbc9a67f16d61dd9fe56af19de1fba9cd",
 180                 "21771b9cdce3e8430c09b3838be70b48c21e15bc09ee1f2d7945b91f",
 181         },
 182         {
 183                 "50210731791415612487756441341851895584393717453129007497216",
 184                 "4036052a3091eb481046ad3289c95d3ac905ca0023de2c03ecd451cf",
 185                 "d768165a38a2b96f812586a9d59d4136035d9c853a5bf2e1c86a4993",
 186         },
 187         {
 188                 "26959946667150639794667015087019625940457807714424391721682722368041",
 189                 "fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455",
 190                 "f2a28eefd8b345832116f1e574f2c6b2c895aa8c24941f40d8b80ad1",
 191         },
 192         {
 193                 "26959946667150639794667015087019625940457807714424391721682722368042",
 194                 "a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c",
 195                 "230e093c24f638f533dac6e2b6d01da3b5e7f45429315ca93fb8e634",
 196         },
 197         {
 198                 "26959946667150639794667015087019625940457807714424391721682722368043",
 199                 "c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc",
 200                 "156729f1a003647030666054e208180f8f7b0df2249e44fba5931fff",
 201         },
 202         {
 203                 "26959946667150639794667015087019625940457807714424391721682722368044",
 204                 "b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc",
 205                 "eb610599f95942df1082e4f9426d086fb9c6231ae8b24933aab5db",
 206         },
 207         {
 208                 "26959946667150639794667015087019625940457807714424391721682722368045",
 209                 "b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d",
 210                 "cc662b9bcba6f94ee4ff1c9c10bd6ddd0d138df2d099a282152a4b7f",
 211         },
 212         {
 213                 "26959946667150639794667015087019625940457807714424391721682722368046",
 214                 "baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9",
 215                 "6865a0b8a607f0b04b13d1cb0aa992a5a97f5ee8ca1849efb9ed8678",
 216         },
 217         {
 218                 "26959946667150639794667015087019625940457807714424391721682722368047",
 219                 "a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa",
 220                 "2a7eb328dbe663b5a468b5bc97a040a3745396ba636b964370dc3352",
 221         },
 222         {
 223                 "26959946667150639794667015087019625940457807714424391721682722368048",
 224                 "34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca",
 225                 "dad7e608e380480434ea641cc82c82cbc92801469c8db0204f13489a",
 226         },
 227         {
 228                 "26959946667150639794667015087019625940457807714424391721682722368049",
 229                 "6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a",
 230                 "df82220fc7a4021549165325725f94c3410ddb56c54e161fc9ef62ee",
 231         },
 232         {
 233                 "26959946667150639794667015087019625940457807714424391721682722368050",
 234                 "ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c",
 235                 "df4aefffbf6d1699c930481cd102127c9a3d992048ab05929b6e5927",
 236         },
 237         {
 238                 "26959946667150639794667015087019625940457807714424391721682722368051",
 239                 "aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd",
 240                 "c644cf154cc81f5ade49345e541b4d4b5c1adb3eb5c01c14ee949aa2",
 241         },
 242         {
 243                 "26959946667150639794667015087019625940457807714424391721682722368052",
 244                 "2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d",
 245                 "c8e8cd1b0be40b0877cfca1958603122f1e6914f84b7e8e968ae8b9e",
 246         },
 247         {
 248                 "26959946667150639794667015087019625940457807714424391721682722368053",
 249                 "858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550",
 250                 "fb9232c15a3bc7673a3a03b0253824c53d0fd1411b1cabe2e187fb87",
 251         },
 252         {
 253                 "26959946667150639794667015087019625940457807714424391721682722368054",
 254                 "db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28",
 255                 "f0c5cff7ab680d09ee11dae84e9c1072ac48ea2e744b1b7f72fd469e",
 256         },
 257         {
 258                 "26959946667150639794667015087019625940457807714424391721682722368055",
 259                 "1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408",
 260                 "76050f3348af2664aac3a8b05281304ebc7a7914c6ad50a4b4eac383",
 261         },
 262         {
 263                 "26959946667150639794667015087019625940457807714424391721682722368056",
 264                 "31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa",
 265                 "d817400e8ba9ca13a45f360e3d121eaaeb39af82d6001c8186f5f866",
 266         },
 267         {
 268                 "26959946667150639794667015087019625940457807714424391721682722368057",
 269                 "ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301",
 270                 "fb7da7f5f13a43b81774373c879cd32d6934c05fa758eeb14fcfab38",
 271         },
 272         {
 273                 "26959946667150639794667015087019625940457807714424391721682722368058",
 274                 "df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04",
 275                 "5c080fc3522f41bbb3f55a97cfecf21f882ce8cbb1e50ca6e67e56dc",
 276         },
 277         {
 278                 "26959946667150639794667015087019625940457807714424391721682722368059",
 279                 "706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6",
 280                 "e3d4895843da188fd58fb0567976d7b50359d6b78530c8f62d1b1746",
 281         },
 282         {
 283                 "26959946667150639794667015087019625940457807714424391721682722368060",
 284                 "b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
 285                 "42c89c774a08dc04b3dd201932bc8a5ea5f8b89bbb2a7e667aff81cd",
 286         },
 287 }
 288
 289 func TestBaseMult(t *testing.T) {
 290         p224 := P224()
 291         for i, e := range p224BaseMultTests {
 292                 k, ok := new(big.Int).SetString(e.k, 10)
 293                 if !ok {
 294                         t.Errorf("%d: bad value for k: %s", i, e.k)
 295                 }
 296                 x, y := p224.ScalarBaseMult(k.Bytes())
 297                 if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y {
 298                         t.Errorf("%d: bad output for k=%s: got (%x, %s), want (%x, %s)", i, e.k, x, y, e.x, e.y)
 299                 }
 300                 if testing.Short() && i > 5 {
 301                         break
 302                 }
 303         }
 304 }
 305
 306 func BenchmarkBaseMult(b *testing.B) {
 307         b.ResetTimer()
 308         p224 := P224()
 309         e := p224BaseMultTests[25]
 310         k, _ := new(big.Int).SetString(e.k, 10)
 311         b.StartTimer()
 312         for i := 0; i < b.N; i++ {
 313                 p224.ScalarBaseMult(k.Bytes())
 314         }
 315 }
 316
 317 func TestMarshal(t *testing.T) {
 318         p224 := P224()
 319         _, x, y, err := p224.GenerateKey(rand.Reader)
 320         if err != nil {
 321                 t.Error(err)
 322                 return
 323         }
 324         serialized := p224.Marshal(x, y)
 325         xx, yy := p224.Unmarshal(serialized)
 326         if xx == nil {
 327                 t.Error("failed to unmarshal")
 328                 return
 329         }
 330         if xx.Cmp(x) != 0 || yy.Cmp(y) != 0 {
 331                 t.Error("unmarshal returned different values")
 332                 return
 333         }
 334 }