{"id":5524,"date":"2021-05-28T13:02:15","date_gmt":"2021-05-28T13:02:15","guid":{"rendered":"http:\/\/43.153.210.228\/\/?p=5524"},"modified":"2021-05-28T13:02:15","modified_gmt":"2021-05-28T13:02:15","slug":"%e9%aa%8c%e8%af%81%e6%af%94%e7%89%b9%e5%b8%81%e4%ba%a4%e6%98%93","status":"publish","type":"post","link":"http:\/\/43.153.210.228\/?p=5524","title":{"rendered":"\u9a8c\u8bc1\u6bd4\u7279\u5e01\u4ea4\u6613"},"content":{"rendered":"<p>\u9075\u5faa\u4f1f\u5927\u7684\u5e16\u5b50[\u8d4e\u56de\u4e00\u4e2a\u539f\u59cb\u4ea4\u6613\u4e00\u6b65\u4e00\u6b65\u7684\u4f8b\u5b50\u8981\u6c42\uff0c\u6211\u60f3\u51fa\u4e86\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u4f46\u9a8c\u8bc1\u5931\u8d25\u3002<br \/>\/\/pubkeyBytes\uff0c\u957f\u5ea6\uff1a65<br \/>\/\/042daa93315eebbe2cb9b5c3505df4c6fb6caca8b756786098567550d4820c09db988fe9997d049d687292f815ccd6e7fb5c1b1a91137999818d17c73d0f80aef9<br \/>\/\/\u6570\u636e\u957f\u5ea6\uff1a32<br \/>\/\/30F10A6468B7D98257AF63FB40DFCF2CEFE991346FD37C67CF7B51FF8D404D3\u578b<br \/>\/\/\u7b7e\u540d\u5b57\u8282\uff0c\u957f\u5ea6\uff1a71<br \/>\/\/30450220587CE0CF0252E2DB3A7C3C91B355AA8F3385E128227CD8727C5F777877AD772022100EDC508B7C14891ED15AB38C687019D7EBAF5C12908CF21A83E8AE57E8C47E95C<br \/>ECPublicKey publicKey=\uff08ECPublicKey\uff09KeyBuilder.buildKey\uff08KeyBuilder.TYPE_EC_FP_PUBLIC\uff0cKeyBuilder.LENGTH_EC_FP_256\uff0cfalse\uff09\uff1b\uff1b<br \/>Secp256k1.setCommonCurveParameters\uff08\u516c\u94a5\uff09\uff1b<br \/>publicKey.setW\uff08pubkeyBytes\uff0c\uff08short\uff090\uff0c\uff08short\uff09pubkeyBytes.length\uff09\uff1b<br \/>Signature eccSign=Signature.getInstance\uff08Signature.ALG\\u ECDSA\\u SHA\\u 256\uff0cfalse\uff09\uff1b<br \/>eccSign.init\uff08\u516c\u94a5\u3001\u7b7e\u540d\u3001\u6a21\u5f0f\\\u9a8c\u8bc1\uff09\uff1b<br \/>\u5e03\u5c14\u9a8c\u8bc1=eccSign.verify\uff08data\uff0c\uff08short\uff090\uff0c\uff08short\uff09data.length\uff0c<br \/>signatureBytes\uff0c\uff08\u77ed\uff090\uff0c\uff08\u77ed\uff09signatureBytes.length<br \/>);<br \/>Assert.assertTrue\uff08\u5df2\u9a8c\u8bc1\uff09\uff1b<br \/>\u65ad\u8a00\u6700\u540e\u5931\u8d25\u3002<br \/>\u5df2\u7ecf\u88ab\u56f0\u4e86\u597d\u51e0\u4e2a\u5c0f\u65f6\u4e86\u3002\u6211\u60f3\u4e0d\u901a\u3002\u975e\u5e38\u611f\u8c22\u60a8\u7684\u5e2e\u52a9\u3002\u8c22\u8c22\u3002<br \/>\u4ea4\u6613\u9a8c\u8bc1<br \/>java<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u95ee\u9898<br \/>\u8ddf\u968f<br \/>1\u67084\u65e51:35\u7f16\u8f91<br \/>\u4e5d\u6708151<br \/>55211\u94f6\u724c1212\u94dc\u724c<br \/>11\u670828\u65e520:30\u88ab\u95ee\u5230<br \/>\u5f20\u6c38\u6c5f<br \/>101<br \/>\u6dfb\u52a0\u8bc4\u8bba<br \/>2\u4e2a\u7b54\u6848<br \/>0<br \/>\u9759\u6001\u7a7a\u9699\u8bd5\u9a8c<br \/>{<br \/>const MyByteArray pubkey\uff08QByteArray:\uff1afromHex\uff08\u201c042daa93315eebbe2cb9b5c3505df4c6fb6caca8b756786098567550d4820c09db988fe9997d049d687292f815ccd6e7fb5c1b1a91137999818d17c73d0f80aef9\u201d\uff09\uff1b<br \/>const MyByteArray signat\uff08QByteArray:\uff1afromHex\uff08\u201c30450220587ce0cf0252e2db3a7c3c91b355aa8f3385e128227cd8727c5f77877ad772022100edc508b7c14891ed15ab38c687019d7ebaf5c12908cf21a83e8ae57e8c47e95c\u201d\uff09\uff1b<br \/>const MyKey32\u6458\u8981\uff08QByteArray:\uff1afromHex\uff08\u201c30f10a6468b7d98257af63fb40dfcf2cefe991346fd37c67cf7b51ff8d4404d3\u201d\uff09\uff1b<br \/>qDebug\uff08\uff09&lt;&lt;\uff08digest.verify\uff08pubkey\uff0csignat\uff09\uff1f\u201d\u901a\u8fc7\u201c\uff1a\u201d\u5931\u8d25\u201c\uff09\uff1b<br \/>}<br \/>\u6211\u7684\u7ed3\u679c\u662f\uff1a\uff1a\u901a\u8fc7<br \/>\u7b7e\u540d\u5bf9\u4e8e\u6458\u8981\u548c\u516c\u94a5\u662f\u6b63\u786e\u7684<br \/>\u5728\u6458\u8981\u4e2d\u89e3\u7801\u5341\u516d\u8fdb\u5236\u503c\u548c\/\u6216\u5b57\u8282\u987a\u5e8f\u7684\u9a8c\u8bc1\u7801\u53ef\u80fd\u6709\u95ee\u9898\uff1f<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u7b54\u6848<br \/>\u8ddf\u968f<br \/>19\u5e7412\u67081\u65e57\u70b929\u5206\u7b54\u590d<br \/>\u963f\u9a6c\u514b\u6797<br \/>630511\u91d1\u5fbd\u7ae01616\u94f6\u5fbd\u7ae03030\u94dc\u5fbd\u7ae0<br \/>\u6dfb\u52a0\u8bc4\u8bba<br \/>0<br \/>\u901a\u5e38\u7684\u95ee\u9898\u662f\u6240\u4f7f\u7528\u7684\u7b7e\u540d\u9a8c\u8bc1\u7b97\u6cd5\u3002\u6bd4\u7279\u5e01\u4f7f\u7528\u53ccSHA-256\u4f5c\u4e3aECDSA\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c\u56e0\u6b64Z\u503c\u662f\u672a\u7b7e\u540d\u4e8b\u52a1\u7684\u53ccSHA-256\u54c8\u5e0c\u3002\u67e5\u770b\u60a8\u6b63\u5728\u4f7f\u7528\u7684\u7b7e\u540d\u54c8\u5e0c\u7b97\u6cd5\uff1a<br \/>\u7b7e\u540d\u7b97\u6cd5ALG\\u ECDSA\\u SHA\\u 256\u751f\u6210\u4e00\u4e2a32\u5b57\u8282\u7684SHA-256\u6458\u8981\uff0c\u5e76\u4f7f\u7528ECDSA\u548cECKey\u53c2\u6570\u4e2d\u5b9a\u4e49\u7684\u66f2\u7ebf\u5bf9\u6458\u8981\u8fdb\u884c\u7b7e\u540d\/\u9a8c\u8bc1<br \/>\u60a8\u5df2\u7ecf\u63a5\u53d7\u4e86Z\u503c\uff0c\u4f46\u662f\u53ea\u4f7f\u7528\u4e86\u4e00\u8f6eSHA-256\u518d\u6b21\u5bf9\u5176\u8fdb\u884c\u54c8\u5e0c\u5904\u7406\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f20\u5165\u4e00\u4e2a\u53ea\u6709\u4e00\u8f6eSHA-256\u54c8\u5e0c\u7684\u524d\u6620\u50cf\uff0c\u7136\u540e\u8ba9Signature\u5bf9\u8c61\u5904\u7406\u7b2c\u4e8c\u8f6e\uff0c\u4f46\u662f\u4f7f\u7528\u6807\u51c6Java\u5b89\u5168\u5e93\u7684\u8fd9\u79cd\u65b9\u6cd5\u6211\u8fd0\u6c14\u4e0d\u592a\u597d\u3002\u4e3a\u4e86\u5728Java\u4e2d\u5b8c\u6210\u6bd4\u7279\u5e01\u4ea4\u6613\u7b7e\u540d\/\u9a8c\u8bc1\uff0c\u60a8\u9700\u8981\uff081\uff09\u5b9e\u73b0\u81ea\u5df1\u7684ECDSA\u7b7e\u540d\/\u9a8c\u8bc1\uff0c\u6216\u8005\uff082\uff09\u4f7f\u7528BitcoinJ\u4e4b\u7c7b\u7684\u5e93\u3002\u4ee5\u4e0b\u662f\u6211\u5728\u81ea\u5df1\u7684ECPubKey\u7c7b\u4e2d\u7684\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u4ee3\u7801\uff08\u8bf7\u6ce8\u610f\uff0c\u6211\u4f7f\u7528\u7684\u662f\u5927\u91cf\u5176\u4ed6\u81ea\u5b9a\u4e49\u4ee3\u7801\uff0c\u60a8\u5c06\u770b\u5230\u5176\u4e2d\u7684\u65b9\u6cd5\u8c03\u7528\uff0c\u4f46\u8fd9\u91cc\u4e0d\u5305\u62ec\u8fd9\u4e9b\u4ee3\u7801\uff0c\u4f46\u60a8\u5c06\u4e86\u89e3\u5176\u4e2d\u7684\u8981\u70b9\uff09\uff1a <\/p>\n<p>\/**<br \/>*@param preimage\u8981\u9a8c\u8bc1\u7684\u524d\u6620\u50cf<br \/>*@param signature\u4e00\u4e2aECDSA\u7b7e\u540d\uff08R\/S\u503c\u5bf9\uff09<br \/>*@return\u6b64\u516c\u94a5\u662f\u5426\u7528\u4e8e\u751f\u6210\u7ed9\u5b9a\u524d\u6620\u50cf\u7684\u7b7e\u540d<br \/>*\/<br \/>\u516c\u5171\u5e03\u5c14\u9a8c\u8bc1\uff08\u5b57\u7b26\u4e32\u524d\u6620\u50cf\u3001ECSignature\uff09{<br \/>String sigash=HashUtil.doubleSha256\uff08\u524d\u56fe\u50cf\uff09\uff1b<br \/>BigInteger z=\u65b0\u7684BigInteger\uff081\uff0cByteUtil.hex2bytes\uff08sigash\uff09\uff09\uff1b<br \/>BigInteger r=signature.getR\uff08\uff09\uff1b<br \/>BigInteger s=signature.getS\uff08\uff09\uff1b<br \/>BigInteger sInv=s.modInverse\uff08CurveParams.n\uff09\uff1b<br \/>BigInteger u1=z.multiply\uff08sInv\uff09.mod\uff08CurveParams.n\uff09\uff1b<br \/>BigInteger u2=r.multiply\uff08sInv\uff09.mod\uff08CurveParams.n\uff09\uff1b<br \/>ECPoint u1Point=ScalarMultiply.scalmult\uff08\u66f2\u7ebf\u56fe.G\uff0cu1\uff09\uff1b<br \/>ECPoint u2Point=ScalarMultiply.scalmult\uff08this.getPoint\uff08\uff09\uff0cu2\uff09\uff1b<br \/>ECPoint sigPoint=ScalarMultiply.addPoint\uff08u1Point\uff0cu2Point\uff09\uff1b<br \/>return r.compareTo\uff08sigPoint.getAffineX\uff08\uff09.mod\uff08CurveParams.n\uff09\uff09==0\uff1b<br \/>}<br \/>\u8be5\u65b9\u6cd5\u57fa\u672c\u4e0a\u662f\u76f4\u63a5\u4eceECDSA Wikipedia\u9875\u9762\u590d\u5236\u5e76\u7ffb\u8bd1\u6210Java\u3002<br \/>\u5206\u4eab<br \/>\u6539\u8fdb\u8fd9\u4e2a\u7b54\u6848<br \/>\u8ddf\u968f<br \/>19\u5e7412\u670831\u65e521:07\u7f16\u8f91<\/p>\n<p><a href=\"http:\/\/43.153.210.228\/\/wp-content\/uploads\/2021\/05\/149blockchainBTCwww.qkl91.com_.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"\u65f6\u5149\u7d20\u6750-\u9999\u8f66\u7f8e\u5973  (149)blockchainBTC\u6bd4\u7279\u5e01\u533a\u5757\u94fewww.qkl91.com\" style=\"border-top: 0px; border-right: 0px; border-bottom: 0px; border-left: 0px; display: inline\" border=\"0\" alt=\"\u65f6\u5149\u7d20\u6750-\u9999\u8f66\u7f8e\u5973  (149)blockchainBTC\u6bd4\u7279\u5e01\u533a\u5757\u94fewww.qkl91.com\" src=\"http:\/\/43.153.210.228\/\/wp-content\/uploads\/2021\/05\/149blockchainBTCwww.qkl91.com_thumb.jpg\" width=\"734\" height=\"454\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9075\u5faa\u4f1f\u5927\u7684\u5e16\u5b50[\u8d4e\u56de\u4e00\u4e2a\u539f\u59cb\u4ea4\u6613\u4e00\u6b65\u4e00\u6b65\u7684\u4f8b\u5b50\u8981\u6c42\uff0c\u6211\u60f3\u51fa\u4e86\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u4f46\u9a8c\u8bc1\u5931\u8d25\u3002\/\/pubkeyBytes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5524","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/5524"}],"collection":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5524"}],"version-history":[{"count":1,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/5524\/revisions"}],"predecessor-version":[{"id":5525,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/5524\/revisions\/5525"}],"wp:attachment":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5524"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}