github.com/yinchengtsinghua/golang-Eos-dpos-Ethereum@v0.0.0-20190121132951-92cc4225ed8e/crypto/bn256/google/constants.go (about) 1 2 //此源码被清华学神尹成大魔王专业翻译分析并修改 3 //尹成QQ77025077 4 //尹成微信18510341407 5 //尹成所在QQ群721929980 6 //尹成邮箱 yinc13@mails.tsinghua.edu.cn 7 //尹成毕业于清华大学,微软区块链领域全球最有价值专家 8 //https://mvp.microsoft.com/zh-cn/PublicProfile/4033620 9 //版权所有2012 Go作者。版权所有。 10 //此源代码的使用受BSD样式的控制 11 //可以在许可文件中找到的许可证。 12 13 package bn256 14 15 import ( 16 "math/big" 17 ) 18 19 func bigFromBase10(s string) *big.Int { 20 n, _ := new(big.Int).SetString(s, 10) 21 return n 22 } 23 24 //u是确定质点的bn参数:1868033³。 25 var u = bigFromBase10("4965661367192848881") 26 27 //P是一个基本字段:36U_+36U³+24U²+6U+1。 28 var P = bigFromBase10("21888242871839275222246405745257275088696311157297823662689037894645226208583") 29 30 //order是G_和G癓中的元素数:36U_+36U³+18U²+6U+1。 31 var Order = bigFromBase10("21888242871839275222246405745257275088548364400416034343698204186575808495617") 32 33 //xitopmins1over6是ξ^((p-1)/6),其中ξ=i+9。 34 var xiToPMinus1Over6 = &gfP2{bigFromBase10("16469823323077808223889137241176536799009286646108169935659301613961712198316"), bigFromBase10("8376118865763821496583973867626364092589906065868298776909617916018768340080")} 35 36 //xitopmins1over3是ξ^((p-1)/3),其中ξ=i+9。 37 var xiToPMinus1Over3 = &gfP2{bigFromBase10("10307601595873709700152284273816112264069230130616436755625194854815875713954"), bigFromBase10("21575463638280843010398324269430826099269044274347216827212613867836435027261")} 38 39 //xitopmins1over2是ξ^((p-1)/2),其中ξ=i+9。 40 var xiToPMinus1Over2 = &gfP2{bigFromBase10("3505843767911556378687030309984248845540243509899259641013678093033130930403"), bigFromBase10("2821565182194536844548159561693502659359617185244120367078079554186484126554")} 41 42 //xitopsquaredminus1 over3是ξ^((p²-1)/3),其中ξ=i+9。 43 var xiToPSquaredMinus1Over3 = bigFromBase10("21888242871839275220042445260109153167277707414472061641714758635765020556616") 44 45 //xito2squaredminus2 over3是ξ^((2p²-2)/3),其中ξ=i+9(单位的三次根,mod p)。 46 var xiTo2PSquaredMinus2Over3 = bigFromBase10("2203960485148121921418603742825762020974279258880205651966") 47 48 //xitopsquaredminus1 over6是ξ^((1p²-1)/6),其中ξ=i+9(1的立方根,mod p)。 49 var xiToPSquaredMinus1Over6 = bigFromBase10("21888242871839275220042445260109153167277707414472061641714758635765020556617") 50 51 //xito2pMinus2over3是ξ^((2p-2)/3),其中ξ=i+9。 52 var xiTo2PMinus2Over3 = &gfP2{bigFromBase10("19937756971775647987995932169929341994314640652964949448313374472400716661030"), bigFromBase10("2581911344467009335267311115468803099551665605076196740867805258568234346338")}