c2047754c3
Compiler changes:
* Change map assignment to use mapassign and assign value directly.
* Change string iteration to use decoderune, faster for ASCII strings.
* Change makeslice to take int, and use makeslice64 for larger values.
* Add new noverflow field to hmap struct used for maps.
Unresolved problems, to be fixed later:
* Commented out test in go/types/sizes_test.go that doesn't compile.
* Commented out reflect.TestStructOf test for padding after zero-sized field.
Reviewed-on: https://go-review.googlesource.com/35231
gotools/:
Updates for Go 1.8rc1.
* Makefile.am (go_cmd_go_files): Add bug.go.
(s-zdefaultcc): Write defaultPkgConfig.
* Makefile.in: Rebuild.
From-SVN: r244456
484 lines
14 KiB
Go
484 lines
14 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package elliptic
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import (
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"math/big"
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"testing"
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)
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func TestOnCurve(t *testing.T) {
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p224 := P224()
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if !p224.IsOnCurve(p224.Params().Gx, p224.Params().Gy) {
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t.Errorf("FAIL")
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}
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}
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func TestOffCurve(t *testing.T) {
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p224 := P224()
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x, y := new(big.Int).SetInt64(1), new(big.Int).SetInt64(1)
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if p224.IsOnCurve(x, y) {
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t.Errorf("FAIL: point off curve is claimed to be on the curve")
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}
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b := Marshal(p224, x, y)
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x1, y1 := Unmarshal(p224, b)
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if x1 != nil || y1 != nil {
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t.Errorf("FAIL: unmarshaling a point not on the curve succeeded")
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}
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}
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type baseMultTest struct {
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k string
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x, y string
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}
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var p224BaseMultTests = []baseMultTest{
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{
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"1",
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"b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
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"bd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34",
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},
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{
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"2",
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"706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6",
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"1c2b76a7bc25e7702a704fa986892849fca629487acf3709d2e4e8bb",
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},
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{
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"3",
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"df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04",
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"a3f7f03cadd0be444c0aa56830130ddf77d317344e1af3591981a925",
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},
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{
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"4",
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"ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301",
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"482580a0ec5bc47e88bc8c378632cd196cb3fa058a7114eb03054c9",
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},
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{
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"5",
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"31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa",
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"27e8bff1745635ec5ba0c9f1c2ede15414c6507d29ffe37e790a079b",
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},
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{
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"6",
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"1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408",
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"89faf0ccb750d99b553c574fad7ecfb0438586eb3952af5b4b153c7e",
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},
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{
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"7",
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"db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28",
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"f3a30085497f2f611ee2517b163ef8c53b715d18bb4e4808d02b963",
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},
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{
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"8",
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"858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550",
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"46dcd3ea5c43898c5c5fc4fdac7db39c2f02ebee4e3541d1e78047a",
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},
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{
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"9",
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"2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d",
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"371732e4f41bf4f7883035e6a79fcedc0e196eb07b48171697517463",
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},
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{
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"10",
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"aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd",
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"39bb30eab337e0a521b6cba1abe4b2b3a3e524c14a3fe3eb116b655f",
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},
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{
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"11",
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"ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c",
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"20b510004092e96636cfb7e32efded8265c266dfb754fa6d6491a6da",
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},
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{
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"12",
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"6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a",
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"207dddf0385bfdeab6e9acda8da06b3bbef224a93ab1e9e036109d13",
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},
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{
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"13",
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"34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca",
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"252819f71c7fb7fbcb159be337d37d3336d7feb963724fdfb0ecb767",
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},
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{
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"14",
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"a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa",
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"d5814cd724199c4a5b974a43685fbf5b8bac69459c9469bc8f23ccaf",
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},
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{
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"15",
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"baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9",
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"979a5f4759f80f4fb4ec2e34f5566d595680a11735e7b61046127989",
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},
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{
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"16",
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"b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d",
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"3399d464345906b11b00e363ef429221f2ec720d2f665d7dead5b482",
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},
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{
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"17",
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"b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc",
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"ff149efa6606a6bd20ef7d1b06bd92f6904639dce5174db6cc554a26",
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},
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{
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"18",
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"c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc",
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"ea98d60e5ffc9b8fcf999fab1df7e7ef7084f20ddb61bb045a6ce002",
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},
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{
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"19",
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"a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c",
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"dcf1f6c3db09c70acc25391d492fe25b4a180babd6cea356c04719cd",
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},
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{
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"20",
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"fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455",
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"d5d7110274cba7cdee90e1a8b0d394c376a5573db6be0bf2747f530",
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},
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{
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"112233445566778899",
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"61f077c6f62ed802dad7c2f38f5c67f2cc453601e61bd076bb46179e",
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"2272f9e9f5933e70388ee652513443b5e289dd135dcc0d0299b225e4",
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},
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{
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"112233445566778899112233445566778899",
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"29895f0af496bfc62b6ef8d8a65c88c613949b03668aab4f0429e35",
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"3ea6e53f9a841f2019ec24bde1a75677aa9b5902e61081c01064de93",
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},
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{
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"6950511619965839450988900688150712778015737983940691968051900319680",
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"ab689930bcae4a4aa5f5cb085e823e8ae30fd365eb1da4aba9cf0379",
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"3345a121bbd233548af0d210654eb40bab788a03666419be6fbd34e7",
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},
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{
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"13479972933410060327035789020509431695094902435494295338570602119423",
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"bdb6a8817c1f89da1c2f3dd8e97feb4494f2ed302a4ce2bc7f5f4025",
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"4c7020d57c00411889462d77a5438bb4e97d177700bf7243a07f1680",
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},
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{
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"13479971751745682581351455311314208093898607229429740618390390702079",
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"d58b61aa41c32dd5eba462647dba75c5d67c83606c0af2bd928446a9",
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"d24ba6a837be0460dd107ae77725696d211446c5609b4595976b16bd",
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},
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{
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"13479972931865328106486971546324465392952975980343228160962702868479",
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"dc9fa77978a005510980e929a1485f63716df695d7a0c18bb518df03",
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"ede2b016f2ddffc2a8c015b134928275ce09e5661b7ab14ce0d1d403",
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},
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{
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"11795773708834916026404142434151065506931607341523388140225443265536",
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"499d8b2829cfb879c901f7d85d357045edab55028824d0f05ba279ba",
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"bf929537b06e4015919639d94f57838fa33fc3d952598dcdbb44d638",
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},
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{
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"784254593043826236572847595991346435467177662189391577090",
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"8246c999137186632c5f9eddf3b1b0e1764c5e8bd0e0d8a554b9cb77",
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"e80ed8660bc1cb17ac7d845be40a7a022d3306f116ae9f81fea65947",
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},
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{
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"13479767645505654746623887797783387853576174193480695826442858012671",
|
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"6670c20afcceaea672c97f75e2e9dd5c8460e54bb38538ebb4bd30eb",
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"f280d8008d07a4caf54271f993527d46ff3ff46fd1190a3f1faa4f74",
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},
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{
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"205688069665150753842126177372015544874550518966168735589597183",
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"eca934247425cfd949b795cb5ce1eff401550386e28d1a4c5a8eb",
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"d4c01040dba19628931bc8855370317c722cbd9ca6156985f1c2e9ce",
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},
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{
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"13479966930919337728895168462090683249159702977113823384618282123295",
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"ef353bf5c73cd551b96d596fbc9a67f16d61dd9fe56af19de1fba9cd",
|
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"21771b9cdce3e8430c09b3838be70b48c21e15bc09ee1f2d7945b91f",
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},
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{
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"50210731791415612487756441341851895584393717453129007497216",
|
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"4036052a3091eb481046ad3289c95d3ac905ca0023de2c03ecd451cf",
|
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"d768165a38a2b96f812586a9d59d4136035d9c853a5bf2e1c86a4993",
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},
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{
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"26959946667150639794667015087019625940457807714424391721682722368041",
|
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"fcc7f2b45df1cd5a3c0c0731ca47a8af75cfb0347e8354eefe782455",
|
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"f2a28eefd8b345832116f1e574f2c6b2c895aa8c24941f40d8b80ad1",
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},
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{
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"26959946667150639794667015087019625940457807714424391721682722368042",
|
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"a1e81c04f30ce201c7c9ace785ed44cc33b455a022f2acdbc6cae83c",
|
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"230e093c24f638f533dac6e2b6d01da3b5e7f45429315ca93fb8e634",
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},
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{
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"26959946667150639794667015087019625940457807714424391721682722368043",
|
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"c9ff61b040874c0568479216824a15eab1a838a797d189746226e4cc",
|
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"156729f1a003647030666054e208180f8f7b0df2249e44fba5931fff",
|
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},
|
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368044",
|
|
"b8357c3a6ceef288310e17b8bfeff9200846ca8c1942497c484403bc",
|
|
"eb610599f95942df1082e4f9426d086fb9c6231ae8b24933aab5db",
|
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},
|
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368045",
|
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"b6ec4fe1777382404ef679997ba8d1cc5cd8e85349259f590c4c66d",
|
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"cc662b9bcba6f94ee4ff1c9c10bd6ddd0d138df2d099a282152a4b7f",
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},
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{
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"26959946667150639794667015087019625940457807714424391721682722368046",
|
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"baa4d8635511a7d288aebeedd12ce529ff102c91f97f867e21916bf9",
|
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"6865a0b8a607f0b04b13d1cb0aa992a5a97f5ee8ca1849efb9ed8678",
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},
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{
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"26959946667150639794667015087019625940457807714424391721682722368047",
|
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"a53640c83dc208603ded83e4ecf758f24c357d7cf48088b2ce01e9fa",
|
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"2a7eb328dbe663b5a468b5bc97a040a3745396ba636b964370dc3352",
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},
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368048",
|
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"34e8e17a430e43289793c383fac9774247b40e9ebd3366981fcfaeca",
|
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"dad7e608e380480434ea641cc82c82cbc92801469c8db0204f13489a",
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},
|
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368049",
|
|
"6e31ee1dc137f81b056752e4deab1443a481033e9b4c93a3044f4f7a",
|
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"df82220fc7a4021549165325725f94c3410ddb56c54e161fc9ef62ee",
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},
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368050",
|
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"ef53b6294aca431f0f3c22dc82eb9050324f1d88d377e716448e507c",
|
|
"df4aefffbf6d1699c930481cd102127c9a3d992048ab05929b6e5927",
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},
|
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368051",
|
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"aea9e17a306517eb89152aa7096d2c381ec813c51aa880e7bee2c0fd",
|
|
"c644cf154cc81f5ade49345e541b4d4b5c1adb3eb5c01c14ee949aa2",
|
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},
|
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{
|
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"26959946667150639794667015087019625940457807714424391721682722368052",
|
|
"2fdcccfee720a77ef6cb3bfbb447f9383117e3daa4a07e36ed15f78d",
|
|
"c8e8cd1b0be40b0877cfca1958603122f1e6914f84b7e8e968ae8b9e",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368053",
|
|
"858e6f9cc6c12c31f5df124aa77767b05c8bc021bd683d2b55571550",
|
|
"fb9232c15a3bc7673a3a03b0253824c53d0fd1411b1cabe2e187fb87",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368054",
|
|
"db2f6be630e246a5cf7d99b85194b123d487e2d466b94b24a03c3e28",
|
|
"f0c5cff7ab680d09ee11dae84e9c1072ac48ea2e744b1b7f72fd469e",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368055",
|
|
"1f2483f82572251fca975fea40db821df8ad82a3c002ee6c57112408",
|
|
"76050f3348af2664aac3a8b05281304ebc7a7914c6ad50a4b4eac383",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368056",
|
|
"31c49ae75bce7807cdff22055d94ee9021fedbb5ab51c57526f011aa",
|
|
"d817400e8ba9ca13a45f360e3d121eaaeb39af82d6001c8186f5f866",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368057",
|
|
"ae99feebb5d26945b54892092a8aee02912930fa41cd114e40447301",
|
|
"fb7da7f5f13a43b81774373c879cd32d6934c05fa758eeb14fcfab38",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368058",
|
|
"df1b1d66a551d0d31eff822558b9d2cc75c2180279fe0d08fd896d04",
|
|
"5c080fc3522f41bbb3f55a97cfecf21f882ce8cbb1e50ca6e67e56dc",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368059",
|
|
"706a46dc76dcb76798e60e6d89474788d16dc18032d268fd1a704fa6",
|
|
"e3d4895843da188fd58fb0567976d7b50359d6b78530c8f62d1b1746",
|
|
},
|
|
{
|
|
"26959946667150639794667015087019625940457807714424391721682722368060",
|
|
"b70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21",
|
|
"42c89c774a08dc04b3dd201932bc8a5ea5f8b89bbb2a7e667aff81cd",
|
|
},
|
|
}
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|
|
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func TestBaseMult(t *testing.T) {
|
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p224 := P224()
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for i, e := range p224BaseMultTests {
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k, ok := new(big.Int).SetString(e.k, 10)
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if !ok {
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t.Errorf("%d: bad value for k: %s", i, e.k)
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}
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x, y := p224.ScalarBaseMult(k.Bytes())
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if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y {
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t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y)
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}
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if testing.Short() && i > 5 {
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break
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}
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}
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}
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|
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func TestGenericBaseMult(t *testing.T) {
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// We use the P224 CurveParams directly in order to test the generic implementation.
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p224 := P224().Params()
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for i, e := range p224BaseMultTests {
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k, ok := new(big.Int).SetString(e.k, 10)
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if !ok {
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t.Errorf("%d: bad value for k: %s", i, e.k)
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}
|
|
x, y := p224.ScalarBaseMult(k.Bytes())
|
|
if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y {
|
|
t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y)
|
|
}
|
|
if testing.Short() && i > 5 {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestP256BaseMult(t *testing.T) {
|
|
p256 := P256()
|
|
p256Generic := p256.Params()
|
|
|
|
scalars := make([]*big.Int, 0, len(p224BaseMultTests)+1)
|
|
for _, e := range p224BaseMultTests {
|
|
k, _ := new(big.Int).SetString(e.k, 10)
|
|
scalars = append(scalars, k)
|
|
}
|
|
k := new(big.Int).SetInt64(1)
|
|
k.Lsh(k, 500)
|
|
scalars = append(scalars, k)
|
|
|
|
for i, k := range scalars {
|
|
x, y := p256.ScalarBaseMult(k.Bytes())
|
|
x2, y2 := p256Generic.ScalarBaseMult(k.Bytes())
|
|
if x.Cmp(x2) != 0 || y.Cmp(y2) != 0 {
|
|
t.Errorf("#%d: got (%x, %x), want (%x, %x)", i, x, y, x2, y2)
|
|
}
|
|
|
|
if testing.Short() && i > 5 {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestP256Mult(t *testing.T) {
|
|
p256 := P256()
|
|
p256Generic := p256.Params()
|
|
|
|
for i, e := range p224BaseMultTests {
|
|
x, _ := new(big.Int).SetString(e.x, 16)
|
|
y, _ := new(big.Int).SetString(e.y, 16)
|
|
k, _ := new(big.Int).SetString(e.k, 10)
|
|
|
|
xx, yy := p256.ScalarMult(x, y, k.Bytes())
|
|
xx2, yy2 := p256Generic.ScalarMult(x, y, k.Bytes())
|
|
if xx.Cmp(xx2) != 0 || yy.Cmp(yy2) != 0 {
|
|
t.Errorf("#%d: got (%x, %x), want (%x, %x)", i, xx, yy, xx2, yy2)
|
|
}
|
|
if testing.Short() && i > 5 {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestInfinity(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
curve Curve
|
|
}{
|
|
{"p224", P224()},
|
|
{"p256", P256()},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
curve := test.curve
|
|
x, y := curve.ScalarBaseMult(nil)
|
|
if x.Sign() != 0 || y.Sign() != 0 {
|
|
t.Errorf("%s: x^0 != ∞", test.name)
|
|
}
|
|
x.SetInt64(0)
|
|
y.SetInt64(0)
|
|
|
|
x2, y2 := curve.Double(x, y)
|
|
if x2.Sign() != 0 || y2.Sign() != 0 {
|
|
t.Errorf("%s: 2∞ != ∞", test.name)
|
|
}
|
|
|
|
baseX := curve.Params().Gx
|
|
baseY := curve.Params().Gy
|
|
|
|
x3, y3 := curve.Add(baseX, baseY, x, y)
|
|
if x3.Cmp(baseX) != 0 || y3.Cmp(baseY) != 0 {
|
|
t.Errorf("%s: x+∞ != x", test.name)
|
|
}
|
|
|
|
x4, y4 := curve.Add(x, y, baseX, baseY)
|
|
if x4.Cmp(baseX) != 0 || y4.Cmp(baseY) != 0 {
|
|
t.Errorf("%s: ∞+x != x", test.name)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkBaseMult(b *testing.B) {
|
|
b.ResetTimer()
|
|
p224 := P224()
|
|
e := p224BaseMultTests[25]
|
|
k, _ := new(big.Int).SetString(e.k, 10)
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
p224.ScalarBaseMult(k.Bytes())
|
|
}
|
|
}
|
|
|
|
func BenchmarkBaseMultP256(b *testing.B) {
|
|
b.ResetTimer()
|
|
p256 := P256()
|
|
e := p224BaseMultTests[25]
|
|
k, _ := new(big.Int).SetString(e.k, 10)
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
p256.ScalarBaseMult(k.Bytes())
|
|
}
|
|
}
|
|
|
|
func BenchmarkScalarMultP256(b *testing.B) {
|
|
b.ResetTimer()
|
|
p256 := P256()
|
|
_, x, y, _ := GenerateKey(p256, rand.Reader)
|
|
priv, _, _, _ := GenerateKey(p256, rand.Reader)
|
|
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
p256.ScalarMult(x, y, priv)
|
|
}
|
|
}
|
|
|
|
func TestMarshal(t *testing.T) {
|
|
p224 := P224()
|
|
_, x, y, err := GenerateKey(p224, rand.Reader)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
serialized := Marshal(p224, x, y)
|
|
xx, yy := Unmarshal(p224, serialized)
|
|
if xx == nil {
|
|
t.Error("failed to unmarshal")
|
|
return
|
|
}
|
|
if xx.Cmp(x) != 0 || yy.Cmp(y) != 0 {
|
|
t.Error("unmarshal returned different values")
|
|
return
|
|
}
|
|
}
|
|
|
|
func TestP224Overflow(t *testing.T) {
|
|
// This tests for a specific bug in the P224 implementation.
|
|
p224 := P224()
|
|
pointData, _ := hex.DecodeString("049B535B45FB0A2072398A6831834624C7E32CCFD5A4B933BCEAF77F1DD945E08BBE5178F5EDF5E733388F196D2A631D2E075BB16CBFEEA15B")
|
|
x, y := Unmarshal(p224, pointData)
|
|
if !p224.IsOnCurve(x, y) {
|
|
t.Error("P224 failed to validate a correct point")
|
|
}
|
|
}
|