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<?php if (class_exists('ParagonIE_Sodium_Core_AEGIS_State256', false)) { return; } if (!defined('SODIUM_COMPAT_AEGIS_C0')) { define('SODIUM_COMPAT_AEGIS_C0', "\x00\x01\x01\x02\x03\x05\x08\x0d\x15\x22\x37\x59\x90\xe9\x79\x62"); } if (!defined('SODIUM_COMPAT_AEGIS_C1')) { define('SODIUM_COMPAT_AEGIS_C1', "\xdb\x3d\x18\x55\x6d\xc2\x2f\xf1\x20\x11\x31\x42\x73\xb5\x28\xdd"); } class ParagonIE_Sodium_Core_AEGIS_State256 { /** @var array<int, string> $state */ protected $state; public function __construct() { $this->state = array_fill(0, 6, ''); } /** * @internal Only use this for unit tests! * @return string[] */ public function getState() { return array_values($this->state); } /** * @param array $input * @return self * @throws SodiumException * * @internal Only for unit tests */ public static function initForUnitTests(array $input) { if (count($input) < 6) { throw new SodiumException('invalid input'); } $state = new self(); for ($i = 0; $i < 6; ++$i) { $state->state[$i] = $input[$i]; } return $state; } /** * @param string $key * @param string $nonce * @return self */ public static function init($key, $nonce) { $state = new self(); $k0 = ParagonIE_Sodium_Core_Util::substr($key, 0, 16); $k1 = ParagonIE_Sodium_Core_Util::substr($key, 16, 16); $n0 = ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16); $n1 = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 16); // S0 = k0 ^ n0 // S1 = k1 ^ n1 // S2 = C1 // S3 = C0 // S4 = k0 ^ C0 // S5 = k1 ^ C1 $k0_n0 = $k0 ^ $n0; $k1_n1 = $k1 ^ $n1; $state->state[0] = $k0_n0; $state->state[1] = $k1_n1; $state->state[2] = SODIUM_COMPAT_AEGIS_C1; $state->state[3] = SODIUM_COMPAT_AEGIS_C0; $state->state[4] = $k0 ^ SODIUM_COMPAT_AEGIS_C0; $state->state[5] = $k1 ^ SODIUM_COMPAT_AEGIS_C1; // Repeat(4, // Update(k0) // Update(k1) // Update(k0 ^ n0) // Update(k1 ^ n1) // ) for ($i = 0; $i < 4; ++$i) { $state->update($k0); $state->update($k1); $state->update($k0 ^ $n0); $state->update($k1 ^ $n1); } return $state; } /** * @param string $ai * @return self * @throws SodiumException */ public function absorb($ai) { if (ParagonIE_Sodium_Core_Util::strlen($ai) !== 16) { throw new SodiumException('Input must be an AES block in size'); } return $this->update($ai); } /** * @param string $ci * @return string * @throws SodiumException */ public function dec($ci) { if (ParagonIE_Sodium_Core_Util::strlen($ci) !== 16) { throw new SodiumException('Input must be an AES block in size'); } // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); $xi = $ci ^ $z; $this->update($xi); return $xi; } /** * @param string $cn * @return string */ public function decPartial($cn) { $len = ParagonIE_Sodium_Core_Util::strlen($cn); // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); // t = ZeroPad(cn, 128) $t = str_pad($cn, 16, "\0", STR_PAD_RIGHT); // out = t ^ z $out = $t ^ $z; // xn = Truncate(out, |cn|) $xn = ParagonIE_Sodium_Core_Util::substr($out, 0, $len); // v = ZeroPad(xn, 128) $v = str_pad($xn, 16, "\0", STR_PAD_RIGHT); // Update(v) $this->update($v); // return xn return $xn; } /** * @param string $xi * @return string * @throws SodiumException */ public function enc($xi) { if (ParagonIE_Sodium_Core_Util::strlen($xi) !== 16) { throw new SodiumException('Input must be an AES block in size'); } // z = S1 ^ S4 ^ S5 ^ (S2 & S3) $z = $this->state[1] ^ $this->state[4] ^ $this->state[5] ^ ParagonIE_Sodium_Core_Util::andStrings($this->state[2], $this->state[3]); $this->update($xi); return $xi ^ $z; } /** * @param int $ad_len_bits * @param int $msg_len_bits * @return string */ public function finalize($ad_len_bits, $msg_len_bits) { $encoded = ParagonIE_Sodium_Core_Util::store64_le($ad_len_bits) . ParagonIE_Sodium_Core_Util::store64_le($msg_len_bits); $t = $this->state[3] ^ $encoded; for ($i = 0; $i < 7; ++$i) { $this->update($t); } return ($this->state[0] ^ $this->state[1] ^ $this->state[2]) . ($this->state[3] ^ $this->state[4] ^ $this->state[5]); } /** * @param string $m * @return self */ public function update($m) { /* S'0 = AESRound(S5, S0 ^ M) S'1 = AESRound(S0, S1) S'2 = AESRound(S1, S2) S'3 = AESRound(S2, S3) S'4 = AESRound(S3, S4) S'5 = AESRound(S4, S5) */ list($s_0, $s_1) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[5],$this->state[0] ^ $m, $this->state[0], $this->state[1] ); list($s_2, $s_3) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[1], $this->state[2], $this->state[2], $this->state[3] ); list($s_4, $s_5) = ParagonIE_Sodium_Core_AES::doubleRound( $this->state[3], $this->state[4], $this->state[4], $this->state[5] ); /* S0 = S'0 S1 = S'1 S2 = S'2 S3 = S'3 S4 = S'4 S5 = S'5 */ $this->state[0] = $s_0; $this->state[1] = $s_1; $this->state[2] = $s_2; $this->state[3] = $s_3; $this->state[4] = $s_4; $this->state[5] = $s_5; return $this; } }

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Welcome to Capital GMC BUICK – REGINA

Thank you for choosing Capital GMC Buick | Regina, your premier certified Buick and GMC dealership proudly serving drivers in Regina and the surrounding communities. Whether you’re searching for a brand-new Buick or GMC vehicle or a meticulously inspected pre-owned model, we have a diverse selection to match your needs and lifestyle.

Beyond our impressive inventory, we offer a seamless and stress-free financing experience through our well-connected finance centre, where our team of experts is dedicated to securing the best loan or lease options for you, quickly, transparently, and hassle-free.

But our commitment to you doesn’t stop at the sale. Our state-of-the-art service centre is staffed with skilled Buick and GMC technicians who use the latest equipment and genuine OEM parts to keep your vehicle running at its best. From routine maintenance to complex repairs, we’ve got you covered.

Experience top-tier customer service, quality vehicles, and expert care, all in one place. Visit Capital GMC Buick | Regina today or call us at 306-205-8072 with any questions. We’re here to help!

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