a comparative study of fully homomorphic encryption schemes for cloud computing
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8/14/2019 A Comparative Study of Fully Homomorphic Encryption Schemes for Cloud Computing
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Kitjribtkaibc Lauribc ae Jfjrokio ]jdhiacaoy bim Bmvbidjm Jiokijjrkio
_j`sktj< www.kljtbj.daf (KTTI 00:>-0=:;, KTA ;>>2>8 Djrtkekjm Lauribc, Uacufj 4, Tpjdkbc Kssuj =, Adta`jr 0>24)
Kitjribtkaibc Daiejrjidj ai Famjri ]rjims ki Tdkjidj, Jiokijjrkio bim ]jdhiacaoy 0>24 (KDF]TJ] 0>24), Mu`bk, ZBJ . ^boj :>
B Dafpbrbtkvj Ttumy ae Euccy Hafafarphkd JidryptkaiTdhjfjs ear Dcaum DafputkioBfib Bhfjm Bck2
2Gjibib Tuobr Dafpbiy, Mu`bk, ZBJ
2bfib.bck?:Nofbkc.daf
B`strbdt]hj sjdurkty bim prkvbdy kssujs bssadkbtjm wkth
dcaum dafputkio hbvj `jdafj thj fbki a`stbdcj ear
`uskijssjs ta favj tawbrms dcaum dafputkio. Fbiy
tjdhiacaokjs hbvj `jji usjm ta fktkobtj thjsj kssuj kidcumkio
vbrkaus bddjss daitrac fjthams bim dryptaorbphy tjdhikqujs.
]hj patjitkbc thbt euccy hafafarphkd jidryptkai hbs ear
dcaum dafputkio ks kts b`kckty ta pjrearf dafputbtkais aijidryptjm mbtb wkthaut prkar mjdryptkai. Tkidj Ojitrys
kfpcjfjitbtkai ae thj ekrst euccy hafafarphkd sdhjfj ki 0>>;
fbiy kitjrjstkio vbrkbits bim sdhjfjs hbvj `jji prapasjm
bim mjvjcapjm ta kfpravj thj pjrearfbidj, rjmudj thj
dafpcjxkty bim thj dast ae thj sdhjfj. ]wa kitjrjstkio
sdhjfjs brj rjvkjwjm bim mksdussjm ki thks pbpjr. ]hj ekrst
sdhjfj mksdussjm ki thks pbpjr ks Euccy Hafafarphkd
Jidryptkai avjr Kitjojrs, `y Fbrtji Ubi Mklg jt bc. ]hj
sjdaim sdhjfj ks Euccy Hafafarphkd Jidryptkai wkthaut
@aatstrbppkio `y @rbgjrsgk jt bc. ]hj sdhjfj bibcysks ks
fbkicy eadusjm ai thj sjdurkty, pjrearfbidj bim dafpcjxkty
ebdtars ae thj fjitkaijm sdhjfjs.
Gjywarms@aatstrbppkio, Dcaum Tjdurkty, Dryptaorbphy,
Euccy Hafafarphkd Jidryptkai, EHJ Tdhjfj.
K. KI]PAMZD]KAI]hks ]hj ibturbc jvbcubtkai ae thj Kitjrijt hbs dhbiojm
thj dafputkio daidjpts eraf pbrbccjc dafputkio ta
mkstrk`utjm dafputkio ta orkm dafputkio bim rjdjitcy ta
dcaum dafputkio. ]hj Ibtkaibc Kistktutj ae Ttbimbrms bim
]jdhiacaoy (IKT]) hbs mjekijm thj dcaum dafputkio bs-0=:;, KTA ;>>2>8 Djrtkekjm Lauribc, Uacufj 4, Tpjdkbc Kssuj =, Adta`jr 0>24)
Kitjribtkaibc Daiejrjidj ai Famjri ]rjims ki Tdkjidj, Jiokijjrkio bim ]jdhiacaoy 0>24 (KDF]TJ] 0>24), Mu`bk, ZBJ . ^boj :2
Ki b dcasjr stjp tawbrms euccy hafafarphkd jidryptkai
@aijh, Oah bim Iksskf mjvjcapjm bi jidryptkai sdhjfjthbt wbs b`cj ta pjrearf fbiy bmmktkais bim aij skiocj
fuctkpckdbtkai ai dkphjrtjxts W5V.
Ki Luij 0>>; Drbko Ojitry eraf K@F kfpcjfjitjm thj
ekrst euccy hafafarphkd jidryptkai sdhjfj thbt wbs b`cj ta
pjrearf fbiy bmmktkais bim fuctkpckdbtkais uskio kmjbc
cbttkdjs bim `aatstrbppkio tjdhikquj. ]hj sdhjfj hbs
pravjm thj passk`kckty ae kfpcjfjitkio euccy hafafarphkd
jidryptkai bim cbkm b sackm orauim ear fast rjdjit euccy
hafafarphkd jidryptkai sdhjfjs kidcumkio EuccyHafafarphkd Jidryptkai avjr Kitjojrs, `y Fbrtji UbiMklg jt bc. bim Euccy Hafafarphkd Jidryptkai wkthaut@aatstrbppkio `y @rbgjrsgk jt bc. whksh brj mksdussjm bim
rjvkjwjm ki thks pbpjr. ]hj ijxt sjdtkai jxpcbkis Ojitryssdhjfj ki farj mjpth.
KKK. OJI]P[T EZCC[ HAFAFAP^HKD JIDP[^]KAITDHJFJ
Ojitrys sdhjfj W?V wbs `bsjm ai safjwhbthafafarphkd jidryptkai sdhjfj, b safjwhbt
hafafarphkd sdhjfj dbi `j mjsdrk`jm bs b sdhjfj thbt dbi
hbimcj b ckfktjm iuf`jr ae bmmktkais bim fuctkpckdbtkais
`jearj thj mjdryptkai ebkcs. Ojitry usjm kmjbc cbttkdjs ta
pravkmj bi bmmktkvj bim fuctkpckdbtkvj hafafarphksf. ]hj
safjwhbt hafafarphkd sdhjfj ks thji trbisejrrjm kita
euccy hafafarphkd jidryptkai sdhjfj uskio `aatstrbppkio
tjdhikquj. ]hj `aatstrbppkio ks rjprjsjitjm bs b @aacjbidkrdukt thbt rjerjshjs thj dkphjrtjxt ta prjvjit thj kihjrjit
iaksj ebdtar eraf orawkio taa cbroj bim hjidj fbgj kt
mkeekduct ta ojt thj darrjdt mjdryptkai. Betjr thj iaksj ks
rjmudjm thj iuf`jr ae bmmktkais bim fuctkpckdbtkais
apjrbtkais hbs ia ckfktbtkai7 thus fbgkio thj sdhjfj euccy
hafafarphkd. ]hj hafafarphkd jidryptkai sdhjfjs brj
ojijrbccy mjsdrk`jm uskio thj eaccawkio euidtkais