mirror of
https://github.com/henrydcase/nobs.git
synced 2024-11-22 15:18:57 +00:00
Henry Case
a152c09fd5
* makes common reusable * exports some more symbols from common * remove kem for a moment
620 lines
22 KiB
Go
620 lines
22 KiB
Go
package sidh
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import (
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"bytes"
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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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"github.com/henrydcase/nobs/dh/sidh/common"
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)
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/* -------------------------------------------------------------------------
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Test data
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-------------------------------------------------------------------------*/
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type sidhVec struct {
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id uint8
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name string
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PkA string
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PrA string
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PkB string
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PrB string
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}
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func checkErr(t testing.TB, err error, msg string) {
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t.Helper()
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if err != nil {
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t.Error(msg)
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}
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}
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var tdataSidh = map[uint8]sidhVec{
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Fp434: {
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id: Fp434,
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name: "P-434",
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PrA: "3A727E04EA9B7E2A766A6F846489E7E7B915263BCEED308BB10FC900",
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PrB: "E37BFE55B43B32448F375903D8D226EC94ADBFEA1D2B3536EB987001",
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PkA: "9E668D1E6750ED4B91EE052C32839CA9DD2E56D52BC24DECC950AAAD" +
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"24CEED3F9049C77FE80F0B9B01E7F8DAD7833EEC2286544D6380009C" +
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"379CDD3E7517CEF5E20EB01F8231D52FC30DC61D2F63FB357F85DC63" +
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"96E8A95DB9740BD3A972C8DB7901B31F074CD3E45345CA78F9008171" +
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"30E688A29A7CF0073B5C00FF2C65FBE776918EF9BD8E75B29EF7FAB7" +
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"91969B60B0C5B37A8992EDEF95FA7BAC40A95DAFE02E237301FEE9A7" +
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"A43FD0B73477E8035DD12B73FAFEF18D39904DDE3653A754F36BE188" +
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"8F6607C6A7951349A414352CF31A29F2C40302DB406C48018C905EB9" +
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"DC46AFBF42A9187A9BB9E51B587622A2862DC7D5CC598BF38ED6320F" +
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"B51D8697AD3D7A72ABCC32A393F0133DA8DF5E253D9E00B760B2DF34" +
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"2FCE974DCFE946CFE4727783531882800F9E5DD594D6D5A6275EEFEF" +
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"9713ED838F4A06BB34D7B8D46E0B385AAEA1C7963601",
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PkB: "C9F73E4497AAA3FDF9EB688135866A8A83934BA10E273B8CC3808CF0" +
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"C1F5FAB3E9BB295885881B73DEBC875670C0F51C4BB40DF5FEDE01B8" +
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"AF32D1BF10508B8C17B2734EB93B2B7F5D84A4A0F2F816E9E2C32AC2" +
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"53C0B6025B124D05A87A9E2A8567930F44BAA14219B941B6B400B4AE" +
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"D1D796DA12A5A9F0B8F3F5EE9DD43F64CB24A3B1719DF278ADF56B5F" +
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"3395187829DA2319DEABF6BBD6EDA244DE2B62CC5AC250C1009DD1CD" +
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"4712B0B37406612AD002B5E51A62B51AC9C0374D143ABBBD58275FAF" +
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"C4A5E959C54838C2D6D9FB43B7B2609061267B6A2E6C6D01D295C422" +
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"3E0D3D7A4CDCFB28A7818A737935279751A6DD8290FD498D1F6AD5F4" +
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"FFF6BDFA536713F509DCE8047252F1E7D0DD9FCC414C0070B5DCCE36" +
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"65A21A032D7FBE749181032183AFAD240B7E671E87FBBEC3A8CA4C11" +
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"AA7A9A23AC69AE2ACF54B664DECD27753D63508F1B02",
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},
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Fp503: {
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id: Fp503,
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name: "P-503",
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PrA: "D5B94224FA1AD1701EC277FDA83462D09E87181C2E583C5F09FD446A43F25103",
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PrB: "FF0EF91753D71D83D912656856086007AD2CF3B2A979B2BD63E5313BFD276506",
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PkA: "FFB9A589DBB3975A20373F1AD3B449880E1DA47916FCD7C751A019AAA8E95A03" +
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"4ADA1AE8BFCF6FBF70F323713318E25315DE865B29C9124982594BF78CD61C09" +
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"B98C22307DFD4FC0958C58EC0D144828006E510FA4072D721B48D1A3CFEA02F6" +
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"062324FE1B68F457CF29BD4EB1FB68D0684EE69F53A3FAC327404341BB39365B" +
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"5DE885034C9A6DD6798CB08126183C696D0302730D489584AC8D6BCADF3AB4DE" +
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"FFC227D3B1701462DA15BF68EF2B07C44712DB5429B74063202F43DC0EA7919D" +
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"B95025B2B03E5A3EBF57FF37E21838CE8F5531F491315E576A260DC2F515DDF2" +
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"4DEDE54CA69737CE6442B4219CD472D9CCCF8AF12B5C5B23ACB9C22929924ABA" +
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"52C820932C82435518B920AFC43F2041263AE98D29E58B73F33A5DD42AAC7533" +
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"404B4AC2B83DD2C7BEA7676930B6007CC185C264672B75F5332C18429BBC7B0F" +
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"2EA3F746995A298E7443FFB0C1B27DCA7D19635064AF3B87938960587F56B724" +
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"C1EF1FF012B056D7301F8713295B7734563542D4259B8BEA260C",
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PkB: "AA3303F79FCE4855DE125B239D10BEC3B7082E55B08C769A9765F1BF41A31210" +
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"66382D6BF2857D85138CC17D69593B8FC7703D22C553FB077DFB3AC577CF1E55" +
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"2AED6DC0368123E01DDD70059A47E31E06423D2F697A3DA5D621EB5FF2A52EE7" +
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"CA7D3BD01B427AC14CB6099E03C6639A3BAC9B939297CEB10F276F93CF16A1EE" +
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"1B8085DE3DA037C911491B145B034A47B42A996A61C2313FEF166FD3665B0AE8" +
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"C201A268DA01AB52E4759ACCC1DD09685A17CDA5D44AF847931ABB221D62E241" +
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"2329394445ADFD662C77472A9268F40AB540177C0E6F1D59026E595C46FBED2F" +
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"703838C5F3D7A811B500237596C5E960AA1F2989C5F17DD60D8A752569DBF250" +
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"E01C63C9790D014CE05A9D8683814A320E30185E478AF9ABD761DADDA8DE7E3E" +
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"A53C224AC8313C176D14BD0F04AB09A9D0D0302ACBF768EB4DB03681EAE3BC10" +
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"21CAA429A1490AE1D6E0CA9D6BC4BCD14B1CFE694226D03E8731E9E0B3760877" +
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"7D56630B31298CC05B6FF6C1A08935312D8E95B8056AD7831A22",
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},
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Fp751: {
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id: Fp751,
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name: "P-751",
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// PrA - Alice's Private Key: 2*randint(0,2^371)
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PrA: "B1937F2B009FD9F785C5AD899F5ED2FD064218C07A76798D1433336E093DF184CA0CAF6E7C92B320E89632A7765F0B",
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// PrB - Bob's Private Key: 3*randint(0,3^238)
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PrB: "54DB4380D4134E187F5793FA82A4F18B39CA2F8F1C145FFB040FC917E2F41542037FF227F3A4AAFB17A6983AA88B4403",
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PkA: "2B53BB7C002A9D18B077D068C38353ADFD57A3CA0E431D92CCB8060D41A83A09" +
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"C1500BEE63FB07DA1DBEDB4AF145F22C2D8152B07B7E124F06643C7AB5B1C48D" +
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"581FC4C6FB7FC165F6E02F40B47D81400B84B6288DEAB38DE795B51486430974" +
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"788377770D46B0ABC1F3F7C3647A0E38ACED475EA8EE990F3C5A7668452478C1" +
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"975993E126B405E476AD6A10E9DD4E135ADA910BE41A8F93331268791F7B958A" +
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"0888052D1CF7B9128058A258002F22AC48E2C296E3935033139D336FDEB33E9B" +
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"8713663B1705B566AC4F4455FD0E710A5236C18011EA971DDD18633F9022C432" +
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"B225EC401FCD4C233B8BF91BE5944D1A657516CE4B844D0BC6049478046B60B6" +
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"BE163E41CCE743054806B13FAC0A1FA393C866D74A5A93A938209287324FAB46" +
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"295F5B271C9D8CFEE17868599202D7AEF1A67EBE2FA2A27AD9E0991CEDEE270D" +
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"1E7639425D94A0F0A2EFDE90B86D5D7F03F3CF97D30415CAA661F865ADB788E6" +
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"3F79EE2FE8637D9DCAF3BCD5C42AE499688048BBB49F216B4714675FD87F7CCC" +
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"37A0C2EA56BB53675584F7648BA052F963C35387ECC4DDED4F8076934FF32D5D" +
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"77B5D3C57553757A4CB9588C4575D4CC4CA8280370041A6FF03007C31D0712E8" +
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"327CC5BC9885F896904FAB4EE167745260D331C3E85E8A32FCCD23093F2C55A9" +
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"EA8D7BECEFC3564D3C3D4CE585B62785773B2228742185C97D6F51CD3E3CF885" +
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"5CF37F305734E97A86479580FDB9983DDCAE9D0F1B125523DB2FE58339240A58" +
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"131D0EFD14A560A6F7EDE774F6C3C54F46DD0830",
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PkB: "E93E4E2B0E7348C088FD91F8E3B17CC52B55C5E8933B6D00B3757E5347C5A0AE" +
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"5F1A6051C32FB20A41013A244484C8D0501B6A3516A634581E08C907F29D651C" +
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"BCC5B6CA6BAC4DCC980CD36155B60A2108134D3F78ED19ADA2B8B20184302FD7" +
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"47E096B01ABB33CB76B115D673B00F76913281CF7A0B44FF5CF1A256B8138FE6" +
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"77AB8D22FEBBCB10EB46E442D0AD96A126DD24E941280C7AB3F9FAC2832A149C" +
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"AD93D221EDCB406303F5A1B38F43F310244D766239A7F4D89EED4C6FD272BC4F" +
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"F7C4E34F3E5E77BFF59D6FE5C0D3937F574ABE81C2FC1FEDD98F43323F8F2D7C" +
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"154DCEBF410FCF698A4E6506D6FD6E4A861395F75698C810A527E00ADC118C90" +
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"9CDE7729B24C6E7DE9C92CFB592CB9A4BAC54DB468AA52724452CC7A7B40509B" +
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"B7894ACCF2C7933537FD52DB312D7FBC4FDE01AC2350CD25ABDD5E6F3AEF87BA" +
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"1BE23691544EB6A4F8FA9CF2BE70B9665EA479B44DC3C61D4651CDDB53656B6F" +
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"3A2D139EC6BE8550B8A623CCA30EB5374F70C67A932712002006F3D73190384F" +
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"6D3BEC9DB9F46E9B7AE2891E615752E74DC112579CF43283E8B6EBEF4C802BD6" +
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"700A97B9739E8694B48D8CB9C8ABBC915A834FF1DBF2C823B3E156D0A415C558" +
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"71B719BD9DD215F57C8D19A6B4F8CD93283D6EBD135347DAAF4F20C54D24017F" +
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"5E6AF400AB6DC98AD2D5810E59360DF64503599FAF6FBAB720CC557DEEF0F528" +
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"249DEB530C8F310465E0BE2B4041C24DAF783BC4EE71D27C760FA7CFD4A9A691" +
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"70BCBA465CA242961671DF0C53A8112CCD708D58",
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},
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}
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/* -------------------------------------------------------------------------
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Helpers
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-------------------------------------------------------------------------*/
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// Converts string to private key.
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func convToPrv(s string, v KeyVariant, id uint8) *PrivateKey {
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key := NewPrivateKey(id, v)
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hex, e := hex.DecodeString(s)
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if e != nil {
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panic("non-hex number provided")
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}
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e = key.Import(hex)
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if e != nil {
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panic("Can't import private key")
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}
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return key
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}
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// Converts string to public key.
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func convToPub(s string, v KeyVariant, id uint8) *PublicKey {
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key := NewPublicKey(id, v)
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hex, e := hex.DecodeString(s)
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if e != nil {
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panic("non-hex number provided")
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}
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e = key.Import(hex)
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if e != nil {
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panic("Can't import public key")
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}
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return key
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}
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/* Unit tests */
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func testKeygen(t *testing.T, v sidhVec) {
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pubA := NewPublicKey(v.id, KeyVariantSidhA)
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pubB := NewPublicKey(v.id, KeyVariantSidhB)
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alicePrivate := convToPrv(v.PrA, KeyVariantSidhA, v.id)
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bobPrivate := convToPrv(v.PrB, KeyVariantSidhB, v.id)
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expPubA := convToPub(v.PkA, KeyVariantSidhA, v.id)
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expPubB := convToPub(v.PkB, KeyVariantSidhB, v.id)
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alicePrivate.GeneratePublicKey(pubA)
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bobPrivate.GeneratePublicKey(pubB)
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got := make([]byte, expPubA.Size())
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exp := make([]byte, expPubA.Size())
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pubA.Export(got)
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expPubA.Export(exp)
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if !bytes.Equal(got, exp) {
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t.Fatalf("unexpected value of public key A\ngot [%X]\nexp [%X]", got, exp)
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}
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got = make([]byte, expPubB.Size())
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exp = make([]byte, expPubB.Size())
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pubB.Export(got)
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expPubB.Export(exp)
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if !bytes.Equal(got, exp) {
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t.Fatalf("unexpected value of public key B\ngot [%X]\nexp [%X]", got, exp)
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}
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}
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func testRoundtrip(t *testing.T, v sidhVec) {
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var err error
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pubA := NewPublicKey(v.id, KeyVariantSidhA)
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pubB := NewPublicKey(v.id, KeyVariantSidhB)
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prvA := NewPrivateKey(v.id, KeyVariantSidhA)
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prvB := NewPrivateKey(v.id, KeyVariantSidhB)
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s1 := make([]byte, common.Params(v.id).SharedSecretSize)
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s2 := make([]byte, common.Params(v.id).SharedSecretSize)
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// Generate private keys
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err = prvA.Generate(rand.Reader)
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checkErr(t, err, "key generation failed")
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err = prvB.Generate(rand.Reader)
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checkErr(t, err, "key generation failed")
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// Generate public keys
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prvA.GeneratePublicKey(pubA)
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prvB.GeneratePublicKey(pubB)
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// Derive shared secret
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prvB.DeriveSecret(s1, pubA)
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prvA.DeriveSecret(s2, pubB)
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if !bytes.Equal(s1[:], s2[:]) {
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t.Fatalf("Two shared keys do not match:\ns1 [%X]\ns2 [%X]", s1, s2)
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}
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}
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func testKeyAgreement(t *testing.T, v sidhVec) {
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var err error
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s1 := make([]byte, common.Params(v.id).SharedSecretSize)
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s2 := make([]byte, common.Params(v.id).SharedSecretSize)
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// KeyPairs
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alicePublic := convToPub(v.PkA, KeyVariantSidhA, v.id)
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bobPublic := convToPub(v.PkB, KeyVariantSidhB, v.id)
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alicePrivate := convToPrv(v.PrA, KeyVariantSidhA, v.id)
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bobPrivate := convToPrv(v.PrB, KeyVariantSidhB, v.id)
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// Do actual test
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bobPrivate.DeriveSecret(s1, alicePublic)
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alicePrivate.DeriveSecret(s2, bobPublic)
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if !bytes.Equal(s1[:], s2[:]) {
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t.Fatalf("two shared keys do not match\ngot [%X]\nexp [%X]", s1, s2)
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}
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// Negative case
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dec, err := hex.DecodeString(v.PkA)
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checkErr(t, err, "decoding failed")
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dec[0] = ^dec[0]
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err = alicePublic.Import(dec)
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checkErr(t, err, "import failed")
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bobPrivate.DeriveSecret(s1, alicePublic)
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alicePrivate.DeriveSecret(s2, bobPublic)
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if bytes.Equal(s1[:], s2[:]) {
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t.Fatalf("DeriveSecret produces wrong results. The two shared keys match, but they shouldn't")
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}
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}
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func testImportExport(t *testing.T, v sidhVec) {
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var err error
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a := NewPublicKey(v.id, KeyVariantSidhA)
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b := NewPublicKey(v.id, KeyVariantSidhB)
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// Import keys
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aHex, err := hex.DecodeString(v.PkA)
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checkErr(t, err, "invalid hex-number provided")
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err = a.Import(aHex)
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checkErr(t, err, "import failed")
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bHex, err := hex.DecodeString(v.PkB)
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checkErr(t, err, "invalid hex-number provided")
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err = b.Import(bHex)
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checkErr(t, err, "import failed")
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aBytes := make([]byte, a.Size())
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bBytes := make([]byte, b.Size())
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a.Export(aBytes)
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b.Export(bBytes)
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// Export and check if same
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if !bytes.Equal(bBytes, bHex) || !bytes.Equal(aBytes, aHex) {
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t.Fatalf("export/import failed")
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}
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if (len(bBytes) != b.Size()) || (len(aBytes) != a.Size()) {
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t.Fatalf("wrong size of exported keys")
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}
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// Ensure that public key is unchanged after it is exported
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aBytes2 := make([]byte, a.Size())
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bBytes2 := make([]byte, b.Size())
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a.Export(aBytes2)
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b.Export(bBytes2)
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if !bytes.Equal(aBytes, aBytes2) || !bytes.Equal(bBytes, bBytes2) {
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t.Fatalf("Second export doesn't match first export")
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}
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}
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func testPrivateKeyBelowMax(t *testing.T, vec sidhVec) {
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for variant, keySz := range map[KeyVariant]*common.DomainParams{
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KeyVariantSidhA: &common.Params(vec.id).A,
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KeyVariantSidhB: &common.Params(vec.id).B} {
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func(v KeyVariant, dp *common.DomainParams) {
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var blen = int(dp.SecretByteLen)
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var prv = NewPrivateKey(vec.id, v)
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var secretBytes = make([]byte, prv.Size())
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// Calculate either (2^e2 - 1) or (2^s - 1); where s=ceil(log_2(3^e3)))
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maxSecertVal := big.NewInt(int64(dp.SecretBitLen))
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maxSecertVal.Exp(big.NewInt(int64(2)), maxSecertVal, nil)
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maxSecertVal.Sub(maxSecertVal, big.NewInt(1))
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|
// Do same test 1000 times
|
|
for i := 0; i < 1000; i++ {
|
|
err := prv.Generate(rand.Reader)
|
|
checkErr(t, err, "Private key generation")
|
|
|
|
// Convert to big-endian, as that's what expected by (*Int)SetBytes()
|
|
prv.Export(secretBytes)
|
|
for i := 0; i < blen/2; i++ {
|
|
tmp := secretBytes[i] ^ secretBytes[blen-i-1]
|
|
secretBytes[i] = tmp ^ secretBytes[i]
|
|
secretBytes[blen-i-1] = tmp ^ secretBytes[blen-i-1]
|
|
}
|
|
prvBig := new(big.Int).SetBytes(secretBytes)
|
|
// Check if generated key is bigger then acceptable
|
|
if prvBig.Cmp(maxSecertVal) == 1 {
|
|
t.Error("Generated private key is wrong")
|
|
}
|
|
}
|
|
}(variant, keySz)
|
|
}
|
|
}
|
|
|
|
func TestKeyAgreementP751_AliceEvenNumber(t *testing.T) {
|
|
// even alice
|
|
v := tdataSidh[Fp751]
|
|
v.PkA = "FDED78E9F490CB518BD6357E18FEEB63FFEFEBE907338B3ABCA74A7E590DBF79" +
|
|
"0C732AB9E3778244608CD563064BDF6AAEF511CEAF07C702309ADAA7EBEBC6B3" +
|
|
"D7B00F5C02FB2FEDA763B2D695FD27F93F45D3AC58C2F0524A942D6DE407B651" +
|
|
"1854A1D974F11A8686CF8AD675A081F4B668F3C6617029AA33FD597C8910AB37" +
|
|
"F71DBE004A3FF8442C4B65DE51201DFAE6F9DC20FDE5B998D19C23589437229D" +
|
|
"724B4378602321F247276E7B4E441383C9BE6D277A127362D9C9FB68A41C5F5B" +
|
|
"9D2BA63FA790D62315DECF5049F0476A43D30BC1E8A36047C8EE0DA9E0A3937E" +
|
|
"BDF52A91BC53266A82CBF2CEAB227CB6D5075B486679CA7701F6F35C53499B45" +
|
|
"A451CE37C57B9BB1276142F495B83D987BD4B62E78E3084DCF3EB906D19DFA8F" +
|
|
"819DFC7FDF104C1A01CCF8D933B91EBD72CDE83A502B1FB0A5DF782BC7085766" +
|
|
"AE795123903A2D30F0F79073D27CF71BA4C9D3CA86512842AA8B5AEB729C78B1" +
|
|
"E15392E20A6043C05F88F6F412C3C9FE14F8FAAE8B8482514822162F93E81615" +
|
|
"BDD77363F872D0506FFDC1809C165A5C8A19F8EA0254D73E08202A6FF3AF43CF" +
|
|
"A7EC9B137AE003A19440DCE2EF3CFC99080F75E683AF6D0E25DF55C60B2A8013" +
|
|
"FA3D59828D31C2360DF83E202FB48AFAA65AF7279137E827B80E761FA49B842A" +
|
|
"A70FD4E77B284A14B8E28C8B11B389E1160DD9877C8D5A5A1471E605F1848369" +
|
|
"3F7578B3733DDEE117227E35B1765FEBB765B340A084E8D99176C0837099C864" +
|
|
"C71C864842D3E9B58CB870AD45F3B6BE476FEB6D"
|
|
v.PrA = "C09957CC83045FB4C3726384D784476ACB6FFD92E5B15B3C2D451BA063F1BD4CE" +
|
|
"D8FBCF682A98DD0954D37BCAF730F"
|
|
testKeyAgreement(t, v)
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------
|
|
Wrappers for 'testing' SIDH
|
|
-------------------------------------------------------------------------*/
|
|
func testSidhVec(t *testing.T, m *map[uint8]sidhVec, f func(t *testing.T, v sidhVec)) {
|
|
for i := range *m {
|
|
v := (*m)[i]
|
|
t.Run(v.name, func(t *testing.T) { f(t, v) })
|
|
}
|
|
}
|
|
func TestKeygen(t *testing.T) { testSidhVec(t, &tdataSidh, testKeygen) }
|
|
func TestRoundtrip(t *testing.T) { testSidhVec(t, &tdataSidh, testRoundtrip) }
|
|
func TestImportExport(t *testing.T) { testSidhVec(t, &tdataSidh, testImportExport) }
|
|
func TestKeyAgreement(t *testing.T) { testSidhVec(t, &tdataSidh, testKeyAgreement) }
|
|
func TestPrivateKeyBelowMax(t *testing.T) { testSidhVec(t, &tdataSidh, testPrivateKeyBelowMax) }
|
|
|
|
/* -------------------------------------------------------------------------
|
|
Benchmarking
|
|
-------------------------------------------------------------------------*/
|
|
func BenchmarkSidhKeyAgreementP751(b *testing.B) {
|
|
// KeyPairs
|
|
alicePublic := convToPub(tdataSidh[Fp751].PkA, KeyVariantSidhA, Fp751)
|
|
bobPublic := convToPub(tdataSidh[Fp751].PkB, KeyVariantSidhB, Fp751)
|
|
alicePrivate := convToPrv(tdataSidh[Fp751].PrA, KeyVariantSidhA, Fp751)
|
|
bobPrivate := convToPrv(tdataSidh[Fp751].PrB, KeyVariantSidhB, Fp751)
|
|
var ss [2 * 94]byte
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
// Derive shared secret
|
|
bobPrivate.DeriveSecret(ss[:], alicePublic)
|
|
alicePrivate.DeriveSecret(ss[:], bobPublic)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSidhKeyAgreementP503(b *testing.B) {
|
|
// KeyPairs
|
|
alicePublic := convToPub(tdataSidh[Fp503].PkA, KeyVariantSidhA, Fp503)
|
|
bobPublic := convToPub(tdataSidh[Fp503].PkB, KeyVariantSidhB, Fp503)
|
|
alicePrivate := convToPrv(tdataSidh[Fp503].PrA, KeyVariantSidhA, Fp503)
|
|
bobPrivate := convToPrv(tdataSidh[Fp503].PrB, KeyVariantSidhB, Fp503)
|
|
var ss [2 * 63]byte
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
// Derive shared secret
|
|
bobPrivate.DeriveSecret(ss[:], alicePublic)
|
|
alicePrivate.DeriveSecret(ss[:], bobPublic)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSidhKeyAgreementP434(b *testing.B) {
|
|
// KeyPairs
|
|
alicePublic := convToPub(tdataSidh[Fp434].PkA, KeyVariantSidhA, Fp434)
|
|
bobPublic := convToPub(tdataSidh[Fp434].PkB, KeyVariantSidhB, Fp434)
|
|
alicePrivate := convToPrv(tdataSidh[Fp434].PrA, KeyVariantSidhA, Fp434)
|
|
bobPrivate := convToPrv(tdataSidh[Fp434].PrB, KeyVariantSidhB, Fp434)
|
|
var ss [2 * 63]byte
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
// Derive shared secret
|
|
bobPrivate.DeriveSecret(ss[:], alicePublic)
|
|
alicePrivate.DeriveSecret(ss[:], bobPublic)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPrvP751(b *testing.B) {
|
|
prv := NewPrivateKey(Fp751, KeyVariantSidhA)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPrvP503(b *testing.B) {
|
|
prv := NewPrivateKey(Fp503, KeyVariantSidhA)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPrvP434(b *testing.B) {
|
|
prv := NewPrivateKey(Fp434, KeyVariantSidhA)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPrvP751(b *testing.B) {
|
|
prv := NewPrivateKey(Fp751, KeyVariantSidhB)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPrvP503(b *testing.B) {
|
|
prv := NewPrivateKey(Fp503, KeyVariantSidhB)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPrvP434(b *testing.B) {
|
|
prv := NewPrivateKey(Fp434, KeyVariantSidhB)
|
|
for n := 0; n < b.N; n++ {
|
|
_ = prv.Generate(rand.Reader)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPubP751(b *testing.B) {
|
|
prv := NewPrivateKey(Fp751, KeyVariantSidhA)
|
|
pub := NewPublicKey(Fp751, KeyVariantSidhA)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPubP503(b *testing.B) {
|
|
prv := NewPrivateKey(Fp503, KeyVariantSidhA)
|
|
pub := NewPublicKey(Fp503, KeyVariantSidhA)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkAliceKeyGenPubP434(b *testing.B) {
|
|
prv := NewPrivateKey(Fp434, KeyVariantSidhA)
|
|
pub := NewPublicKey(Fp434, KeyVariantSidhA)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPubP751(b *testing.B) {
|
|
prv := NewPrivateKey(Fp751, KeyVariantSidhB)
|
|
pub := NewPublicKey(Fp751, KeyVariantSidhB)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPubP503(b *testing.B) {
|
|
prv := NewPrivateKey(Fp503, KeyVariantSidhB)
|
|
pub := NewPublicKey(Fp503, KeyVariantSidhB)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBobKeyGenPubP434(b *testing.B) {
|
|
prv := NewPrivateKey(Fp434, KeyVariantSidhB)
|
|
pub := NewPublicKey(Fp434, KeyVariantSidhB)
|
|
_ = prv.Generate(rand.Reader)
|
|
for n := 0; n < b.N; n++ {
|
|
prv.GeneratePublicKey(pub)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretAliceP751(b *testing.B) {
|
|
aPr := convToPrv(tdataSidh[Fp751].PrA, KeyVariantSidhA, Fp751)
|
|
bPk := convToPub(tdataSidh[Fp751].PkB, KeyVariantSidhB, Fp751)
|
|
var ss [2 * 94]byte
|
|
for n := 0; n < b.N; n++ {
|
|
aPr.DeriveSecret(ss[:], bPk)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretAliceP503(b *testing.B) {
|
|
aPr := convToPrv(tdataSidh[Fp503].PrA, KeyVariantSidhA, Fp503)
|
|
bPk := convToPub(tdataSidh[Fp503].PkB, KeyVariantSidhB, Fp503)
|
|
var ss [2 * 63]byte
|
|
for n := 0; n < b.N; n++ {
|
|
aPr.DeriveSecret(ss[:], bPk)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretAliceP434(b *testing.B) {
|
|
aPr := convToPrv(tdataSidh[Fp434].PrA, KeyVariantSidhA, Fp434)
|
|
bPk := convToPub(tdataSidh[Fp434].PkB, KeyVariantSidhB, Fp434)
|
|
var ss [2 * 63]byte
|
|
for n := 0; n < b.N; n++ {
|
|
aPr.DeriveSecret(ss[:], bPk)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretBobP751(b *testing.B) {
|
|
// m_B = 3*randint(0,3^238)
|
|
aPk := convToPub(tdataSidh[Fp751].PkA, KeyVariantSidhA, Fp751)
|
|
bPr := convToPrv(tdataSidh[Fp751].PrB, KeyVariantSidhB, Fp751)
|
|
var ss [2 * 94]byte
|
|
for n := 0; n < b.N; n++ {
|
|
bPr.DeriveSecret(ss[:], aPk)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretBobP503(b *testing.B) {
|
|
// m_B = 3*randint(0,3^238)
|
|
aPk := convToPub(tdataSidh[Fp503].PkA, KeyVariantSidhA, Fp503)
|
|
bPr := convToPrv(tdataSidh[Fp503].PrB, KeyVariantSidhB, Fp503)
|
|
var ss [2 * 63]byte
|
|
for n := 0; n < b.N; n++ {
|
|
bPr.DeriveSecret(ss[:], aPk)
|
|
}
|
|
}
|
|
|
|
func BenchmarkSharedSecretBobP434(b *testing.B) {
|
|
// m_B = 3*randint(0,3^238)
|
|
aPk := convToPub(tdataSidh[Fp434].PkA, KeyVariantSidhA, Fp434)
|
|
bPr := convToPrv(tdataSidh[Fp434].PrB, KeyVariantSidhB, Fp434)
|
|
var ss [2 * 63]byte
|
|
for n := 0; n < b.N; n++ {
|
|
bPr.DeriveSecret(ss[:], aPk)
|
|
}
|
|
}
|
|
|
|
// Examples
|
|
|
|
func ExamplePrivateKey() {
|
|
// import "github.com/henrydcase/nobs/dh/sidh"
|
|
|
|
// Allice's key pair
|
|
prvA := NewPrivateKey(Fp503, KeyVariantSidhA)
|
|
pubA := NewPublicKey(Fp503, KeyVariantSidhA)
|
|
// Bob's key pair
|
|
prvB := NewPrivateKey(Fp503, KeyVariantSidhB)
|
|
pubB := NewPublicKey(Fp503, KeyVariantSidhB)
|
|
// Generate keypair for Allice
|
|
err := prvA.Generate(rand.Reader)
|
|
if err != nil {
|
|
fmt.Print(err)
|
|
}
|
|
prvA.GeneratePublicKey(pubA)
|
|
// Generate keypair for Bob
|
|
err = prvB.Generate(rand.Reader)
|
|
if err != nil {
|
|
fmt.Print(err)
|
|
}
|
|
prvB.GeneratePublicKey(pubB)
|
|
// Buffers storing shared secret
|
|
ssA := make([]byte, prvA.SharedSecretSize())
|
|
ssB := make([]byte, prvA.SharedSecretSize())
|
|
// Allice calculates shared secret with hers private
|
|
// key and Bob's public key
|
|
prvA.DeriveSecret(ssA[:], pubB)
|
|
// Bob calculates shared secret with hers private
|
|
// key and Allice's public key
|
|
prvB.DeriveSecret(ssB[:], pubA)
|
|
// Check if ssA == ssB
|
|
fmt.Printf("%t\n", bytes.Equal(ssA, ssB))
|
|
// Output:
|
|
// true
|
|
}
|