CINXE.COM

Just a moment...

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91773fc4ab1dfd83',cH: 'gVWVycyvvTr9aZtk2TMFErDV3EzyEXOXA.CvJsAD3sw-1740481828-1.2.1.1-UlbEGJkkMMvQ.vj2pHRkcfIbWcAYHPQthi8xgHPz45_QlOCYrNqe9hGo0q9VZEmp',cUPMDTk: "\/search?q=mutual%20authentication&__cf_chl_tk=nAJjZF.YaHXd0noPvo8th7y8n78sMucJApbeZdsjW4o-1740481828-1.0.1.1-bMy5Hg5pWRhdN8xV2gjUUmb6y3Lf4zfZVsMMkaDp96M",cFPWv: 'b',cITimeS: '1740481828',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=mutual%20authentication&__cf_chl_f_tk=nAJjZF.YaHXd0noPvo8th7y8n78sMucJApbeZdsjW4o-1740481828-1.0.1.1-bMy5Hg5pWRhdN8xV2gjUUmb6y3Lf4zfZVsMMkaDp96M",md: "2qt_yvhWolftnVwifs_Cq0X7E5OwjjkIp8U2Og6BaOk-1740481828-1.2.1.1-Cakj2hN71tJKGGOrKBFXzb8fmFYPfR0.2Nyghr5xBOdsrBckVBKlKXN924hN21F2o80zeMI6CvPZhNMLz1tB_.pmVQuarN9qVPiDrBWrKf5QmfemHXxedLTz12kcavldAo1s3qZ23Ku8l1uIBtp5I9AGuP0HSy9bxItW0x4we6E6gxrLxQ0EqIetLnQEOcCaA1h1JcwqPihfqQ0fY16vj6FEfaHCNM4Cv5jNRULVXMTt47fG7PP5RhEnlgoKG59JzYzUqsMdGc4ifeYuV91AqQwg4_Bi74YQrot7kwaahohvsQtkijU96wEWQpYIuMxClpLqEr6Rz4V0YqX6O2E3XhfGYufFPIJ8JE8sF3C8nxD.yOlQ9E13c8g4p3eCdB55rTy8ond3Dt69N8CqGvHkGtEO_xx_kuaryuYIVUHpvJ_uchleLFGXsOT_pDbBZMFRbpLlksq1DtGeYLTjL1ZrGs4Zhc8GOmCMUvKItQqr6lLJB4sfSm5ygl3nMMB0QToLtNz4MtBAikGA8p7fC5FoFJXQaS0KFw0L4kwABdD15wO23Scaf12J7icisotLQwpZA9Cy9aeCTKcxpCAK0FfeGhggiPbL1KnMMMjBXY0gmlmhF0g4QzQvXzz_qK4OoTWnahgz9Bgl8288EYxgNh.BaNUFYurHT9iacDbUQtP839xwnHCuZ5VcgbXQgjoe5dszd0yvrkG6zWqB.wVCxrGOkCkaSV7MVZ0qPisfXHS8LiDKyzHzqsDRsk8LTg4oaKic2mdJmYtJwaTtAwXmLum4K8QJd0sCm1MpQY_ex.gGLUsqeLhEfP7Wj5b_6U9MTdw3A7_NkpX74lDzcE0JgJ7v1TGZOigIpUcP.jWcwUcP5wSt27LFW1jSI.Afz8ZeT4DWGHHi9O5zA41vpWmpbERXSR_VsrPPxzyzh7zHlSY5OSwichU2Pt..XlYBW8Y_o30HjPrDVFkeUvELI0fS_GS2cAO87Q4iy.G4jlzpyfZ.Sxy7MZgdKtFZ16uPP9SvtdYDLgu.62lGd8TTtQZ1A5gPvusJbK7XGlpLOHwxy.TcbffuF1ckV9nK1nGZYhF1KBDK3u0IF5xPR7ZBpi1sb6KBn8CIg14qpr.uJ0Em8p8m25Rk1sTKPoOh.y6BmZ9wKMZPLeKD14R9Yno3.7_VjvPIR_UwXCEN4GzxSKT75h1nZQdhMzkPSVJewZYgN7zgeDcZTNbMuSciqhIMqB3qZuWKKuJAoK15v1LIgzudS0RDnXnJ7MqNl3FQ3B5CWaWBKfRPxmtC90GQzQV2lAJlfqxGGdrXn5KU2A1wIHnGrF6eYTSngZeAQQjRlBRklFZ70ep_PJZKOiC6UDzF8iG1h4Y_m9NHyD71qfvYsHvcnO.kKkqq9mf9tjDaYX6xsJ7dkp0BorhPsjCAgAg6c9qxbc.FY1uuNtpWwheDBcHxs4q0wxmxnENmyHDL2H2YQ0p5Wt5.lILT7KKDzuuv07NQQtrbk6w1x2LLR6D0IiG1iT4p9ngf6zxFVbbBkGbb..PVH_cDcTdFy1xt0.DGLFQqEZnNs_L86ceykaqzbTUOksBzk5yJtOzHfJjp1rN_0iBKHYvzFJZ9hpz_MtrTP_l4SZwJ8tXal_XRPbivegPo3wGyjUHCkdqHGBcBdoqIh.akRe7OwLtW33AIWfVg0YVDOIdV_zjgDbtDRTn7oCSV8Qxy.QuztYh46SlNihzYyoYuRV9SMxJjtjf5ep5PrH8NPqQFvNYHuN6XEEJVLIlLajYYCrWsiw2J7AlmsWtjeuOxbNo_oxKCf62lYgoAhlNIf04oTwRwtzZdVZIsLzebLoLIAqNGgIz.vYfRmjxvfyERRueqOjhG99cOpgQD5PLSaJ7MD0QA8IeeJXsyLoLR1rSo6nOTpgnhR5yL3zG2uKZ_oOLaso4q_rGjg1eEQXShixNrPcTuyY.1z9ezrbJNmptjUbk",mdrd: "A_C4nGy4SeBIVldMu0NUXL1Sd5pnsBC9S2evBhVwINw-1740481828-1.2.1.1-8fdfAZoVCWPi0ztP2zYVzJvta1ejsDK7EfMoC_A3r5MpVS1aFsvt_zTrFMABj4WlDbvKnV9_0osXHQXvjwDVtZ5rDf8TKeEqKBZDTFPUJ.i47E3gcVDRWusKKfS4bI2Ab7m4J8sbT1IdY.26uKVqpbTx8YRfx9d42HTa9FACkmBFzFrO3qu6IRNR1rnWSnk9m2YGSjxy.l3pWCnUnFnaoivKQ7NKy7cHDvMwddUXAZ18jYmpGob17LEGbs22BHQrxh6sGxZUvvcXTyLRGNfKQNt21s7SMbsjtP_h8RG4kvvuXG6Mf3lxlr4sXdcFXXkFlvltqw90u5NdvWQHh926ZL453v.tVLbyKqZLg0NEQfcFNW_wkFw1bY2yUBDL6yFPEkVHXII6sXR9VnLR6_CU8JJLCJIYUckfJ3bh9id2w3Hm.Gc_eAVhfIDVZicTQ6y_HXFiA9MwmqvLnpY0JyjHyI7BG80X7XeWMppC5ybrL9U_Ezd3U1cKzr09T6_QS8syM1V4hZW0Y7oRjeML5sNbCzTQ.5zLf9eWS0ZCq39QRUjHUd.0wCRjYR.ifZiW840CgKMnZ.XpS_.FuCIM.xX_jiWAHASTTjQmkCgV1NshRqS64bbr9wUGrlJwk1cfIMp0kU9fuuw9f4QgrhVkd4J0HvviTe.72whFFcD._H0r4lmlPbVkAT4dg3B1Htt4fD4LLah6oWCLsKly6sRJzfnbTDp8CE_pOS8RyFpt5qQikYb9tvnLmL0h98L1Jr0MQA5GgmZohnsxkQBaM6tK5wtv7X3FrJm7pMDnY95YubZEtfhEFloqnQTG2Dlyzh6tImAnXCzBjk2Y2H2..PFx.QqEbKk8ZocbzCaP_xzr5MevYc8_8NInj4S1aFyUrv3xkZ_MYO5hzmaRDQfwq8Tz_PMpHcToHT2YoOfjbH1sOKccZ6DPXeAwmpBmJBRkhL2avV2.PBx_knr3YmlHFNGd5iqGNhrLViqovGB8a5v5tMtWVEy866Sbwn_ZDi5N7AZ4DaDjoUw63_WZvv6lcQO_FSCAJHCwgrPMkIgAoqUTRNf.Ks5W3WD4i7kdbyTW.szIUgBNxvTuGCoztcF_Ub.0VolW6ScKbegnm9t3cQyTDi8k7RFYBDvim1vTHThWrzYTrNqv8T1VOakGGx7CoSbX8M24omyLMBzxttXlhLkWg2700ZWHNFHMfhAl1jENSLM59ssCRvL.y4ASs_LO0Ci.01L0Reu8u4QjVQoL8dIkT42cjPiSCTcFXs1tUzJ0_nVtVoJAx9_P.1zSTW_ZS6cuQc01CKU62q4OQFTAevWqYXlFxij4tvLZ4u_jkIjGRdhV2WP38xLU0PFD.qAROoB8dFYqKEMGVLRVTZ6mekErYqOOZVOU_Ho62V.6OvYF_SDn4pPhZFNkOcMIu4M_77.Iq7GCWktHMPjds1Trg0S478LZBFcne5cvjeoT2YZd0iQhti2u7fk.7cf7bjwHaHuh0.LiIfXTzc35m8uZN6CTYvOxdl6Hos46Xdu7F9OSxXXCbpjgtOhA8.VqoXHM0EzL4gP8fMymHgYEPjEbKN0c6Nq7iHb_Blk3QaPr0ewCBk_kikl1ImY8KYT_kCX2slAilinkkzgtEufHs9.m53uM6532nCqrzNK4KdonTUdtEVs1m2K4R6g4qKpMlxc_y8mnTOOG8f6GhzMtVUHSbu5Q0bSUxAVp5MMLtTTnCQlvPmUrg_dFIbncGFBXXnbzYGweePNtiSqgN2u7zFj6QwRg59AzPKBU873FzpYfbtSo6Ff3veStlxYSvbenw581lDbtuUnySVcJgbR0xsqZ7t50q610wGx6F3U598eUcIOzlkiZyAMRpaJ0fSA18EJg9DGsuhzF1oQVCXmlAaRw8KctQdd499Qr1Ayj9goA.KDuHKheWc0Sp6vwndoJGPHq1FZYvqArr0cEFVHOe4Og7ej3XUB_RCFPD0nBXTR3KPSCWf3ZfHpt"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91773fc4ab1dfd83';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=mutual%20authentication&__cf_chl_rt_tk=nAJjZF.YaHXd0noPvo8th7y8n78sMucJApbeZdsjW4o-1740481828-1.0.1.1-bMy5Hg5pWRhdN8xV2gjUUmb6y3Lf4zfZVsMMkaDp96M" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>