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="390"></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: 'managed',cRay: '91e888a06d50ff96',cH: 'LSSfzCqqExnmKqjxzHxmiVObOFfSJs.wGt3LLvTJe0w-1741669703-1.2.1.1-EDGJcUbUXxfSKHIZHCxg8d4a7d5J6cMJeNz23iUFhLl0cchoNYxmsbFGEudUbF1k',cUPMDTk: "\/abstracts\/34059\/independent-encryption-technique-for-mobile-voice-calls?__cf_chl_tk=mj0Q0JOCEyQ4q4OsNQYSssFxycTvSGe4Iil8RQM9CLQ-1741669703-1.0.1.1-UpyKTYJBgNqR3IPA328AJc5GkDScbEzGwD6cONsCScw",cFPWv: 'g',cITimeS: '1741669703',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/34059\/independent-encryption-technique-for-mobile-voice-calls?__cf_chl_f_tk=mj0Q0JOCEyQ4q4OsNQYSssFxycTvSGe4Iil8RQM9CLQ-1741669703-1.0.1.1-UpyKTYJBgNqR3IPA328AJc5GkDScbEzGwD6cONsCScw",md: "b9neikZMOEd8vK3xFZmKXWAkj5sLB0cUqIqz9dEg_BI-1741669703-1.2.1.1-ZBQWHP0By_cajHH9wYp3hy7ODOxvw3K7XAdopPYNkLrfl_w_BF1.jQVJ.QatXv2QqZloy0yWd6B1JFRb4JfqChufDqFQPHpk1N0X0jnvz_2NKNcfofun3GnnSt46O9XnzdLhxtYMfvGfaxZeDTaBCQatGVU1UC8W.XGnbSNzg9eYiqq2YjOJV63GDoXkxoPPJcdMe_dDTuMqlVGy0DmB7JJagoavjLrf8CaoUCi4pOZBIDDOI_wTLaFtJq_Me7awMIJRQlANiwbr7VO3ZZaqeq8XcpyB_l.YlPQTN5zrfV.3b9FeGIJgWcGtBteAC2.HGhn0FpdJ4Wu1mWF8g3MmW2LQbBFKl_m_WuDEUuFf0E7jYcC3wsII9_UYQdZAXU3vcOH3AGe5ePKO8uwbEaUA7QvhpqV7J3FPCQKmc8DbGQfp52nwjo94YLnjSfnXAjazwdFkD50NNZVldDGOk0bnbgx6SrK_2D5nxIl5tgsq1ACcm2p5vULrny3n5grv6zMoV1Mdt.mRlthngBxAsNS4N2cYuEgkn_oPJVGebgm.gNyWDNO2C85zNKlntTzEyZNJtjXzXWZhXjFJzX3gk_F0rTIAM4vx90KeL4_yVkgfyKOymmyHtOyMM8vn1ktxF1fE.ay_Is88xEhILeaefGgdoopu98YaWk2N6eEP6ZGMLuW5wH.sVMfHgDpbG.Aaro958qirsMRTisv3ffAOQrOEUx2_IRwe7vTXtd6iYI0Zuz6lWrrYO5TWuaxQSjeKskNn1T9QoBEST68aU2NxK8AJQhcKUJsqzm5s.xfBwCco2Zgea3yPM1rH3Y_7LSp.OaYiTqEGYIVgk7PZBBnp2yyXiaLPetCMT0EiYt2QKZhtrJkC7etF1K9EG9tTLUHF7imafcTMTId_Q3OLE4P8y6GenCkomowJq.z_oq8jp5NTD8TG2iEcC.lzieBPOOF0dcmyxNXm0jbxEVHNRG9pNC1JZEDtv3lWhMGJmlDViojMUgIlwNpkZVdKQ71zzrHUYmCUIvuhxcPLArasVaBjWURUlUnVi928XCbclA83.5siBy_YoLeCt72nAIVKGHTP8.TDDXve3Z5ASuElfiPGmATSGrDv98WQYKEELaNKDb_QUyQae.tuykB_V5mb8Fl32OlEqnF.zvREiymGPz4ey3zSdMqCk4Mi.A6Qc2cFUbjwpXKM_o6S0Waefpe8w7Ohg6otTm4DvvNRlHrpAy1xwunV.Kt0OU0DLgDSGOH1yYIYJfj6uUrHA17MIxPPeJRRfbab2fZBdM.cD5aZblrObQo0jQYrOQYHxINFxgGSL9blZ50kvQTyWKF9YLYpA11AovfDlsGFkyYPrG7NdG5HT0JDYgEK2VtIx68VbQHPRdZ77pLD.7wehkLeax.EybPv2YvC",mdrd: "hjCnKBBJZHB5Ur8oiYi1g.5IYraS3bSK0G07vNABrf8-1741669703-1.2.1.1-L7RUD_AWDPa.xG0VLr9d.PuipIiXFmejdVo95gzw1_MmOuBJfHcerHM92W_lT0W_2bscymI17oHH52IzEVJgDIwc9dld7k1Zu9xWVdEAtjx8QouZSwRuBffo4yDbj3YevTGVSr5cCVtuZhaKkXOX0ZWTmBN_v_LIuLN68zzDufJrmw5kUcc.qbWkY6MXNBzIQTEJVh6_TBpBrJllD1lUgcJ9q9S4T3rwL.nRKrOOBhEp.RujjFJ5tQTUmR4W59tFnbmu.5t59.wVjnsWKJHmgzXkJCUTycEqfoz7SjAXJllutu6xM3oiQArOMXDkl7rYR4DjsrE3uBbMu8.09TtXj6E6ZmEtzKPrCN88lDPGtaJxHjZUTMC3BDKHc0YxHJA46TRsRdzz4mxQm97GIN6CAvYCmLMKVe_nfprvZ9.7ukKTjDNKgtk3n1MCl4yU2seSOOCYowHNg3WLG.SIBPGfgMHLoudP5JIaxkBv1yZFEV_55CZXsePOnFws6LJBtHMoEaQdibr0wKECPHcefZzxY.PHg9aAvvpY7PREZ57DvrnazMpYYzsvFQoWroAbEEj9f2hL6gBVGiQHegRqzu_Nrox0LCohRpRjT_PxRY5WFQ13XlkNvYNl8eX0mn7BQmYduKILknG5QuL.k5y5gWXDHq0ZrXtB5okqa.YymoWdLj4cJ2XcXrX4m6s46.lLtFUJIkvR3UBNOk.1UUJGzx3gsm8ZjfgFp9yw_Y0xLyDxr4IYNfXNvgM4o9FjnsJLD.oYQL_BRmRg.5_jVJi4CBT_2AWlI8Mj8z.fxilVdfr.rhqqHyQHuML4NwtC4Bhae4d5Df.eYYZhrOnc2QKcRkkZMOhUSgX5k8zaZMmcp3U62tcVge7dHqEdi6mQ6zlsHjjMYmaYYD4DwOoU7_5mszN6ZHbmtDBw49IfHNkO5fTVIU2.ks5zOg1sTHGdaTB4dAqTam9H7EMDXAzVoEOnN4d9_2PnPKs5mLK8aG0d13pEsPerHTFnaFPUIKZJ9i86TuaxtGjUp81_YRA0UA4w3W.MA7mHDWBXloEhyMrH.NCHzeG.Ay2ZOKU7rZr6Xca2SpuipPUCBNoJaCwjGY827kd62Zg.Dpa8XAIaW7T0ZsgTz06v9dNA56yCcYOkyjrpdBOtGToAMuKUn7pKF8jvNbqEK6Upklrc8asOmFn4bw95cnqMzYoAN8QXI2XgOh_o0330Yq1Yzd2cJi69chUIQA2fDRIODf8iGWCBpc.yXjgZCE7gdb8BNDYx4sKT4Ew7t9gP5wZkBQ4fbxel1569SZuQFkTiR0GcE_oKTfXVPZYqzjydcPiC1cIrXpFE.eaNCeI6nzZivW0iSUwWPcpK5nXozGWt18845nnntgnyxphgckirPmoLy3TjoJEuNn5uNiDiRM5wSx9U0uLDSd7X9I3JqGPJL0kqDXVoNMPPiq_obsMxuAZuc8Gn8wKhmLA5NTZepNqcBtGt9cBXuVdIyEM2JbBbFvpY9CnY.3F_ETThTcaXEdpZicxNBHQn2_P_Ex5gs9AS2TiC3wHoZ293dyl03EpdpUsGnDZlG5x92qMAMciMxy0_.2IUMZFoSvcm_6cE6tSFTrkWFgYD.Zfxr7zEAHXcZZPla9fBOFL6AeTbg5RnI6wzPIyKwVIo1rx.plLlQx1i3iD8zPzZxKTfaE1DST2tIr6JP0fZDaxVpgodrpoymmxtK3y6DeZIe3wGLa4Yq8tqPcDaMMpwrKG2BkU5IHvHxyYqzZnoXe_olBGy8I5YNLhPK84ccFS1jp8p2weTzEKaOBAEokABtQpUoghxUJMqSasoZ1iIzePfvnL605jzZyRex7ln3hR0I0E9SC0kfoYXurdKJSqLSGFJ.8AE1TnX37xUGqlPxH7YUZZXZexHMqhgaYGnhw82VUKXXZ86d.sBNw6bnr5.Z_099jCdmzCYlZ4m20MPQ4DyiC2GBDLwe2VrJBrmMBS4XEF6uNN2ooq.to1i7ZIfpOO1sCsouA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91e888a06d50ff96';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, "\/abstracts\/34059\/independent-encryption-technique-for-mobile-voice-calls?__cf_chl_rt_tk=mj0Q0JOCEyQ4q4OsNQYSssFxycTvSGe4Iil8RQM9CLQ-1741669703-1.0.1.1-UpyKTYJBgNqR3IPA328AJc5GkDScbEzGwD6cONsCScw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>