PNG  IHDR pHYs   OiCCPPhotoshop ICC profilexڝSgTS=BKKoR RB&*! J!QEEȠQ, !{kּ> H3Q5 B.@ $pd!s#~<<+"x M0B\t8K@zB@F&S`cbP-`'{[! eDh;VEX0fK9-0IWfH  0Q){`##xFW<+*x<$9E[-qWW.(I+6aa@.y24x6_-"bbϫp@t~,/;m%h^ uf@Wp~<5j>{-]cK'Xto(hw?G%fIq^D$.Tʳ?D*A, `6B$BB dr`)B(Ͱ*`/@4Qhp.U=pa( Aa!ڈbX#!H$ ɈQ"K5H1RT UH=r9\F;2G1Q= C7F dt1r=6Ыhڏ>C03l0.B8, c˱" VcϱwE 6wB aAHXLXNH $4 7 Q'"K&b21XH,#/{C7$C2'ITFnR#,4H#dk9, +ȅ3![ b@qS(RjJ4e2AURݨT5ZBRQ4u9̓IKhhitݕNWGw Ljg(gwLӋT071oUX**| J&*/Tު UUT^S}FU3S ԖUPSSg;goT?~YYLOCQ_ cx,!k u5&|v*=9C3J3WRf?qtN (~))4L1e\kXHQG6EYAJ'\'GgSSݧ M=:.kDwn^Loy}/TmG X $ <5qo</QC]@Caaᄑ.ȽJtq]zۯ6iܟ4)Y3sCQ? 0k߬~OCOg#/c/Wװwa>>r><72Y_7ȷOo_C#dz%gA[z|!?:eAAA!h쐭!ΑiP~aa~ 'W?pX15wCsDDDޛg1O9-J5*>.j<74?.fYXXIlK9.*6nl {/]py.,:@LN8A*%w% yg"/6шC\*NH*Mz쑼5y$3,幄'L Lݛ:v m2=:1qB!Mggfvˬen/kY- BTZ(*geWf͉9+̳ې7ᒶKW-X潬j9(xoʿܔĹdff-[n ڴ VE/(ۻCɾUUMfeI?m]Nmq#׹=TR+Gw- 6 U#pDy  :v{vg/jBFS[b[O>zG499?rCd&ˮ/~јѡ򗓿m|x31^VwwO| (hSЧc3- cHRMz%u0`:o_F@8N ' p @8N@8}' p '#@8N@8N pQ9p!i~}|6-ӪG` VP.@*j>[ K^<֐Z]@8N'KQ<Q(`s" 'hgpKB`R@Dqj '  'P$a ( `D$Na L?u80e J,K˷NI'0eݷ(NI'؀ 2ipIIKp`:O'`ʤxB8Ѥx Ѥx $ $P6 :vRNb 'p,>NB 'P]-->P T+*^h& p '‰a ‰ (ĵt#u33;Nt̵'ޯ; [3W ~]0KH1q@8]O2]3*̧7# *p>us p _6]/}-4|t'|Smx= DoʾM×M_8!)6lq':l7!|4} '\ne t!=hnLn (~Dn\+‰_4k)0e@OhZ`F `.m1} 'vp{F`ON7Srx 'D˸nV`><;yMx!IS钦OM)Ե٥x 'DSD6bS8!" ODz#R >S8!7ّxEh0m$MIPHi$IvS8IN$I p$O8I,sk&I)$IN$Hi$I^Ah.p$MIN$IR8I·N "IF9Ah0m$MIN$IR8IN$I 3jIU;kO$ɳN$+ q.x* tEXtComment

Viewing File: /home/u460558712/domains/aurorasfort.com/public_html/system/Encryption/Handlers/SodiumHandler.php

<?php

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Encryption\Handlers;

use CodeIgniter\Encryption\Exceptions\EncryptionException;

/**
 * SodiumHandler uses libsodium in encryption.
 *
 * @see https://github.com/jedisct1/libsodium/issues/392
 */
class SodiumHandler extends BaseHandler
{
    /**
     * Starter key
     *
     * @var string
     */
    protected $key = '';

    /**
     * Block size for padding message.
     *
     * @var int
     */
    protected $blockSize = 16;

    /**
     * {@inheritDoc}
     */
    public function encrypt($data, $params = null)
    {
        $this->parseParams($params);

        if (empty($this->key)) {
            throw EncryptionException::forNeedsStarterKey();
        }

        // create a nonce for this operation
        $nonce = random_bytes(SODIUM_CRYPTO_SECRETBOX_NONCEBYTES); // 24 bytes

        // add padding before we encrypt the data
        if ($this->blockSize <= 0) {
            throw EncryptionException::forEncryptionFailed();
        }

        $data = sodium_pad($data, $this->blockSize);

        // encrypt message and combine with nonce
        $ciphertext = $nonce . sodium_crypto_secretbox($data, $nonce, $this->key);

        // cleanup buffers
        sodium_memzero($data);
        sodium_memzero($this->key);

        return $ciphertext;
    }

    /**
     * {@inheritDoc}
     */
    public function decrypt($data, $params = null)
    {
        $this->parseParams($params);

        if (empty($this->key)) {
            throw EncryptionException::forNeedsStarterKey();
        }

        if (mb_strlen($data, '8bit') < (SODIUM_CRYPTO_SECRETBOX_NONCEBYTES + SODIUM_CRYPTO_SECRETBOX_MACBYTES)) {
            // message was truncated
            throw EncryptionException::forAuthenticationFailed();
        }

        // Extract info from encrypted data
        $nonce      = self::substr($data, 0, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES);
        $ciphertext = self::substr($data, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES);

        // decrypt data
        $data = sodium_crypto_secretbox_open($ciphertext, $nonce, $this->key);

        if ($data === false) {
            // message was tampered in transit
            throw EncryptionException::forAuthenticationFailed(); // @codeCoverageIgnore
        }

        // remove extra padding during encryption
        if ($this->blockSize <= 0) {
            throw EncryptionException::forAuthenticationFailed();
        }

        $data = sodium_unpad($data, $this->blockSize);

        // cleanup buffers
        sodium_memzero($ciphertext);
        sodium_memzero($this->key);

        return $data;
    }

    /**
     * Parse the $params before doing assignment.
     *
     * @param array|string|null $params
     *
     * @throws EncryptionException If key is empty
     */
    protected function parseParams($params)
    {
        if ($params === null) {
            return;
        }

        if (is_array($params)) {
            if (isset($params['key'])) {
                $this->key = $params['key'];
            }

            if (isset($params['blockSize'])) {
                $this->blockSize = $params['blockSize'];
            }

            return;
        }

        $this->key = (string) $params;
    }
}
Back to Directory=ceiIENDB`