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home/cideo/www/wp-includesVIp/sodium_compat/src/Core/SecretStream/State.php000066600000007050151245535360023007 0ustar00<?php

/**
 * Class ParagonIE_Sodium_Core_SecretStream_State
 */
class ParagonIE_Sodium_Core_SecretStream_State
{
    /** @var string $key */
    protected $key;

    /** @var int $counter */
    protected $counter;

    /** @var string $nonce */
    protected $nonce;

    /** @var string $_pad */
    protected $_pad;

    /**
     * ParagonIE_Sodium_Core_SecretStream_State constructor.
     * @param string $key
     * @param string|null $nonce
     */
    public function __construct($key, $nonce = null)
    {
        $this->key = $key;
        $this->counter = 1;
        if (is_null($nonce)) {
            $nonce = str_repeat("\0", 12);
        }
        $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);;
        $this->_pad = str_repeat("\0", 4);
    }

    /**
     * @return self
     */
    public function counterReset()
    {
        $this->counter = 1;
        $this->_pad = str_repeat("\0", 4);
        return $this;
    }

    /**
     * @return string
     */
    public function getKey()
    {
        return $this->key;
    }

    /**
     * @return string
     */
    public function getCounter()
    {
        return ParagonIE_Sodium_Core_Util::store32_le($this->counter);
    }

    /**
     * @return string
     */
    public function getNonce()
    {
        if (!is_string($this->nonce)) {
            $this->nonce = str_repeat("\0", 12);
        }
        if (ParagonIE_Sodium_Core_Util::strlen($this->nonce) !== 12) {
            $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT);
        }
        return $this->nonce;
    }

    /**
     * @return string
     */
    public function getCombinedNonce()
    {
        return $this->getCounter() .
            ParagonIE_Sodium_Core_Util::substr($this->getNonce(), 0, 8);
    }

    /**
     * @return self
     */
    public function incrementCounter()
    {
        ++$this->counter;
        return $this;
    }

    /**
     * @return bool
     */
    public function needsRekey()
    {
        return ($this->counter & 0xffff) === 0;
    }

    /**
     * @param string $newKeyAndNonce
     * @return self
     */
    public function rekey($newKeyAndNonce)
    {
        $this->key = ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 0, 32);
        $this->nonce = str_pad(
            ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 32),
            12,
            "\0",
            STR_PAD_RIGHT
        );
        return $this;
    }

    /**
     * @param string $str
     * @return self
     */
    public function xorNonce($str)
    {
        $this->nonce = ParagonIE_Sodium_Core_Util::xorStrings(
            $this->getNonce(),
            str_pad(
                ParagonIE_Sodium_Core_Util::substr($str, 0, 8),
                12,
                "\0",
                STR_PAD_RIGHT
            )
        );
        return $this;
    }

    /**
     * @param string $string
     * @return self
     */
    public static function fromString($string)
    {
        $state = new ParagonIE_Sodium_Core_SecretStream_State(
            ParagonIE_Sodium_Core_Util::substr($string, 0, 32)
        );
        $state->counter = ParagonIE_Sodium_Core_Util::load_4(
            ParagonIE_Sodium_Core_Util::substr($string, 32, 4)
        );
        $state->nonce = ParagonIE_Sodium_Core_Util::substr($string, 36, 12);
        $state->_pad = ParagonIE_Sodium_Core_Util::substr($string, 48, 8);
        return $state;
    }

    /**
     * @return string
     */
    public function toString()
    {
        return $this->key .
            $this->getCounter() .
            $this->nonce .
            $this->_pad;
    }
}
home/cideo/library/Zend/Gdata/YouTube/Extension/State.php000066600000013467151253770500017330 0ustar00<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage YouTube
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * @see Zend_Gdata_Extension
 */
require_once 'Zend/Gdata/Extension.php';

/**
 * Represents the yt:state element used by the YouTube data API
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage YouTube
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Gdata_YouTube_Extension_State extends Zend_Gdata_Extension
{

    protected $_rootNamespace = 'yt';
    protected $_rootElement = 'state';
    protected $_name = null;
    protected $_reasonCode = null;
    protected $_helpUrl = null;

    /**
     * Constructs a new Zend_Gdata_YouTube_Extension_State object.
     *
     * @param string $explanation(optional) The explanation of this state
     * @param string $name(optional) The name value
     * @param string $reasonCode(optional) The reasonCode value
     * @param string $helpUrl(optional) The helpUrl value
     */
    public function __construct($explanation = null, $name = null,
                                $reasonCode = null, $helpUrl = null)
    {
        $this->registerAllNamespaces(Zend_Gdata_YouTube::$namespaces);
        parent::__construct();
        $this->_text = $explanation;
        $this->_name = $name;
        $this->_reasonCode = $reasonCode;
        $this->_helpUrl = $reasonCode;
    }

    /**
     * Retrieves a DOMElement which corresponds to this element and all
     * child properties.  This is used to build an entry back into a DOM
     * and eventually XML text for sending to the server upon updates, or
     * for application storage/persistence.
     *
     * @param DOMDocument $doc The DOMDocument used to construct DOMElements
     * @return DOMElement The DOMElement representing this element and all
     * child properties.
     */
    public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)
    {
        $element = parent::getDOM($doc, $majorVersion, $minorVersion);
        if ($this->_name !== null) {
            $element->setAttribute('name', $this->_name);
        }
        if ($this->_reasonCode !== null) {
            $element->setAttribute('reasonCode', $this->_reasonCode);
        }
        if ($this->_helpUrl !== null) {
            $element->setAttribute('helpUrl', $this->_helpUrl);
        }
        return $element;
    }

    /**
     * Given a DOMNode representing an attribute, tries to map the data into
     * instance members.  If no mapping is defined, the name and valueare
     * stored in an array.
     * TODO: Convert attributes to proper types
     *
     * @param DOMNode $attribute The DOMNode attribute needed to be handled
     */
    protected function takeAttributeFromDOM($attribute)
    {
        switch ($attribute->localName) {
        case 'name':
            $this->_name = $attribute->nodeValue;
            break;
        case 'reasonCode':
            $this->_reasonCode = $attribute->nodeValue;
            break;
        case 'helpUrl':
            $this->_helpUrl = $attribute->nodeValue;
            break;
        default:
            parent::takeAttributeFromDOM($attribute);
        }
    }

    /**
     * Get the value for this element's name attribute.
     *
     * @return int The value associated with this attribute.
     */
    public function getName()
    {
        return $this->_name;
    }

    /**
     * Set the value for this element's name attribute.
     *
     * @param int $value The desired value for this attribute.
     * @return Zend_Gdata_YouTube_Extension_State The element being modified.
     */
    public function setName($value)
    {
        $this->_name = $value;
        return $this;
    }

    /**
     * Get the value for this element's reasonCode attribute.
     *
     * @return int The value associated with this attribute.
     */
    public function getReasonCode()
    {
        return $this->_reasonCode;
    }

    /**
     * Set the value for this element's reasonCode attribute.
     *
     * @param int $value The desired value for this attribute.
     * @return Zend_Gdata_YouTube_Extension_State The element being modified.
     */
    public function setReasonCode($value)
    {
        $this->_reasonCode = $value;
        return $this;
    }

    /**
     * Get the value for this element's helpUrl attribute.
     *
     * @return int The value associated with this attribute.
     */
    public function getHelpUrl()
    {
        return $this->_helpUrl;
    }

    /**
     * Set the value for this element's helpUrl attribute.
     *
     * @param int $value The desired value for this attribute.
     * @return Zend_Gdata_YouTube_Extension_State The element being modified.
     */
    public function setHelpUrl($value)
    {
        $this->_helpUrl = $value;
        return $this;
    }

    /**
     * Magic toString method allows using this directly via echo
     * Works best in PHP >= 4.2.0
     *
     * @return string
     */
    public function __toString()
    {
        return $this->_text;
    }

}
home/cideo/www/wp-includesVIp/sodium_compat/src/Core/Poly1305/State.php000066600000031160151255065620021637 0ustar00<?php

if (class_exists('ParagonIE_Sodium_Core_Poly1305_State', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_Poly1305_State
 */
class ParagonIE_Sodium_Core_Poly1305_State extends ParagonIE_Sodium_Core_Util
{
    /**
     * @var array<int, int>
     */
    protected $buffer = array();

    /**
     * @var bool
     */
    protected $final = false;

    /**
     * @var array<int, int>
     */
    public $h;

    /**
     * @var int
     */
    protected $leftover = 0;

    /**
     * @var int[]
     */
    public $r;

    /**
     * @var int[]
     */
    public $pad;

    /**
     * ParagonIE_Sodium_Core_Poly1305_State constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $key
     * @throws InvalidArgumentException
     * @throws TypeError
     */
    public function __construct($key = '')
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Poly1305 requires a 32-byte key'
            );
        }
        /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
        $this->r = array(
            (int) ((self::load_4(self::substr($key, 0, 4))) & 0x3ffffff),
            (int) ((self::load_4(self::substr($key, 3, 4)) >> 2) & 0x3ffff03),
            (int) ((self::load_4(self::substr($key, 6, 4)) >> 4) & 0x3ffc0ff),
            (int) ((self::load_4(self::substr($key, 9, 4)) >> 6) & 0x3f03fff),
            (int) ((self::load_4(self::substr($key, 12, 4)) >> 8) & 0x00fffff)
        );

        /* h = 0 */
        $this->h = array(0, 0, 0, 0, 0);

        /* save pad for later */
        $this->pad = array(
            self::load_4(self::substr($key, 16, 4)),
            self::load_4(self::substr($key, 20, 4)),
            self::load_4(self::substr($key, 24, 4)),
            self::load_4(self::substr($key, 28, 4)),
        );

        $this->leftover = 0;
        $this->final = false;
    }

    /**
     * Zero internal buffer upon destruction
     */
    public function __destruct()
    {
        $this->r[0] ^= $this->r[0];
        $this->r[1] ^= $this->r[1];
        $this->r[2] ^= $this->r[2];
        $this->r[3] ^= $this->r[3];
        $this->r[4] ^= $this->r[4];
        $this->h[0] ^= $this->h[0];
        $this->h[1] ^= $this->h[1];
        $this->h[2] ^= $this->h[2];
        $this->h[3] ^= $this->h[3];
        $this->h[4] ^= $this->h[4];
        $this->pad[0] ^= $this->pad[0];
        $this->pad[1] ^= $this->pad[1];
        $this->pad[2] ^= $this->pad[2];
        $this->pad[3] ^= $this->pad[3];
        $this->leftover = 0;
        $this->final = true;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public function update($message = '')
    {
        $bytes = self::strlen($message);
        if ($bytes < 1) {
            return $this;
        }

        /* handle leftover */
        if ($this->leftover) {
            $want = ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - $this->leftover;
            if ($want > $bytes) {
                $want = $bytes;
            }
            for ($i = 0; $i < $want; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            // We snip off the leftmost bytes.
            $message = self::substr($message, $want);
            $bytes = self::strlen($message);
            $this->leftover += $want;
            if ($this->leftover < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
                // We still don't have enough to run $this->blocks()
                return $this;
            }

            $this->blocks(
                self::intArrayToString($this->buffer),
                ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
            );
            $this->leftover = 0;
        }

        /* process full blocks */
        if ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
            /** @var int $want */
            $want = $bytes & ~(ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - 1);
            if ($want >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
                $block = self::substr($message, 0, $want);
                if (self::strlen($block) >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
                    $this->blocks($block, $want);
                    $message = self::substr($message, $want);
                    $bytes = self::strlen($message);
                }
            }
        }

        /* store leftover */
        if ($bytes) {
            for ($i = 0; $i < $bytes; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            $this->leftover = (int) $this->leftover + $bytes;
        }
        return $this;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param int $bytes
     * @return self
     * @throws TypeError
     */
    public function blocks($message, $bytes)
    {
        if (self::strlen($message) < 16) {
            $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT);
        }
        /** @var int $hibit */
        $hibit = $this->final ? 0 : 1 << 24; /* 1 << 128 */
        $r0 = (int) $this->r[0];
        $r1 = (int) $this->r[1];
        $r2 = (int) $this->r[2];
        $r3 = (int) $this->r[3];
        $r4 = (int) $this->r[4];

        $s1 = self::mul($r1, 5, 3);
        $s2 = self::mul($r2, 5, 3);
        $s3 = self::mul($r3, 5, 3);
        $s4 = self::mul($r4, 5, 3);

        $h0 = $this->h[0];
        $h1 = $this->h[1];
        $h2 = $this->h[2];
        $h3 = $this->h[3];
        $h4 = $this->h[4];

        while ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
            /* h += m[i] */
            $h0 +=  self::load_4(self::substr($message, 0, 4))       & 0x3ffffff;
            $h1 += (self::load_4(self::substr($message, 3, 4)) >> 2) & 0x3ffffff;
            $h2 += (self::load_4(self::substr($message, 6, 4)) >> 4) & 0x3ffffff;
            $h3 += (self::load_4(self::substr($message, 9, 4)) >> 6) & 0x3ffffff;
            $h4 += (self::load_4(self::substr($message, 12, 4)) >> 8) | $hibit;

            /* h *= r */
            $d0 = (
                self::mul($h0, $r0, 25) +
                self::mul($s4, $h1, 26) +
                self::mul($s3, $h2, 26) +
                self::mul($s2, $h3, 26) +
                self::mul($s1, $h4, 26)
            );

            $d1 = (
                self::mul($h0, $r1, 25) +
                self::mul($h1, $r0, 25) +
                self::mul($s4, $h2, 26) +
                self::mul($s3, $h3, 26) +
                self::mul($s2, $h4, 26)
            );

            $d2 = (
                self::mul($h0, $r2, 25) +
                self::mul($h1, $r1, 25) +
                self::mul($h2, $r0, 25) +
                self::mul($s4, $h3, 26) +
                self::mul($s3, $h4, 26)
            );

            $d3 = (
                self::mul($h0, $r3, 25) +
                self::mul($h1, $r2, 25) +
                self::mul($h2, $r1, 25) +
                self::mul($h3, $r0, 25) +
                self::mul($s4, $h4, 26)
            );

            $d4 = (
                self::mul($h0, $r4, 25) +
                self::mul($h1, $r3, 25) +
                self::mul($h2, $r2, 25) +
                self::mul($h3, $r1, 25) +
                self::mul($h4, $r0, 25)
            );

            /* (partial) h %= p */
            /** @var int $c */
            $c = $d0 >> 26;
            /** @var int $h0 */
            $h0 = $d0 & 0x3ffffff;
            $d1 += $c;

            /** @var int $c */
            $c = $d1 >> 26;
            /** @var int $h1 */
            $h1 = $d1 & 0x3ffffff;
            $d2 += $c;

            /** @var int $c */
            $c = $d2 >> 26;
            /** @var int $h2  */
            $h2 = $d2 & 0x3ffffff;
            $d3 += $c;

            /** @var int $c */
            $c = $d3 >> 26;
            /** @var int $h3 */
            $h3 = $d3 & 0x3ffffff;
            $d4 += $c;

            /** @var int $c */
            $c = $d4 >> 26;
            /** @var int $h4 */
            $h4 = $d4 & 0x3ffffff;
            $h0 += (int) self::mul($c, 5, 3);

            /** @var int $c */
            $c = $h0 >> 26;
            /** @var int $h0 */
            $h0 &= 0x3ffffff;
            $h1 += $c;

            // Chop off the left 32 bytes.
            $message = self::substr(
                $message,
                ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
            );
            $bytes -= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE;
        }

        $this->h = array(
            (int) ($h0 & 0xffffffff),
            (int) ($h1 & 0xffffffff),
            (int) ($h2 & 0xffffffff),
            (int) ($h3 & 0xffffffff),
            (int) ($h4 & 0xffffffff)
        );
        return $this;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @return string
     * @throws TypeError
     */
    public function finish()
    {
        /* process the remaining block */
        if ($this->leftover) {
            $i = $this->leftover;
            $this->buffer[$i++] = 1;
            for (; $i < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; ++$i) {
                $this->buffer[$i] = 0;
            }
            $this->final = true;
            $this->blocks(
                self::substr(
                    self::intArrayToString($this->buffer),
                    0,
                    ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
                ),
                ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
            );
        }

        $h0 = (int) $this->h[0];
        $h1 = (int) $this->h[1];
        $h2 = (int) $this->h[2];
        $h3 = (int) $this->h[3];
        $h4 = (int) $this->h[4];

        /** @var int $c */
        $c = $h1 >> 26;
        /** @var int $h1 */
        $h1 &= 0x3ffffff;
        /** @var int $h2 */
        $h2 += $c;
        /** @var int $c */
        $c = $h2 >> 26;
        /** @var int $h2 */
        $h2 &= 0x3ffffff;
        $h3 += $c;
        /** @var int $c */
        $c = $h3 >> 26;
        $h3 &= 0x3ffffff;
        $h4 += $c;
        /** @var int $c */
        $c = $h4 >> 26;
        $h4 &= 0x3ffffff;
        /** @var int $h0 */
        $h0 += self::mul($c, 5, 3);
        /** @var int $c */
        $c = $h0 >> 26;
        /** @var int $h0 */
        $h0 &= 0x3ffffff;
        /** @var int $h1 */
        $h1 += $c;

        /* compute h + -p */
        /** @var int $g0 */
        $g0 = $h0 + 5;
        /** @var int $c */
        $c = $g0 >> 26;
        /** @var int $g0 */
        $g0 &= 0x3ffffff;

        /** @var int $g1 */
        $g1 = $h1 + $c;
        /** @var int $c */
        $c = $g1 >> 26;
        $g1 &= 0x3ffffff;

        /** @var int $g2 */
        $g2 = $h2 + $c;
        /** @var int $c */
        $c = $g2 >> 26;
        /** @var int $g2 */
        $g2 &= 0x3ffffff;

        /** @var int $g3 */
        $g3 = $h3 + $c;
        /** @var int $c */
        $c = $g3 >> 26;
        /** @var int $g3 */
        $g3 &= 0x3ffffff;

        /** @var int $g4 */
        $g4 = ($h4 + $c - (1 << 26)) & 0xffffffff;

        /* select h if h < p, or h + -p if h >= p */
        /** @var int $mask */
        $mask = ($g4 >> 31) - 1;

        $g0 &= $mask;
        $g1 &= $mask;
        $g2 &= $mask;
        $g3 &= $mask;
        $g4 &= $mask;

        /** @var int $mask */
        $mask = ~$mask & 0xffffffff;
        /** @var int $h0 */
        $h0 = ($h0 & $mask) | $g0;
        /** @var int $h1 */
        $h1 = ($h1 & $mask) | $g1;
        /** @var int $h2 */
        $h2 = ($h2 & $mask) | $g2;
        /** @var int $h3 */
        $h3 = ($h3 & $mask) | $g3;
        /** @var int $h4 */
        $h4 = ($h4 & $mask) | $g4;

        /* h = h % (2^128) */
        /** @var int $h0 */
        $h0 = (($h0) | ($h1 << 26)) & 0xffffffff;
        /** @var int $h1 */
        $h1 = (($h1 >>  6) | ($h2 << 20)) & 0xffffffff;
        /** @var int $h2 */
        $h2 = (($h2 >> 12) | ($h3 << 14)) & 0xffffffff;
        /** @var int $h3 */
        $h3 = (($h3 >> 18) | ($h4 <<  8)) & 0xffffffff;

        /* mac = (h + pad) % (2^128) */
        $f = (int) ($h0 + $this->pad[0]);
        $h0 = (int) $f;
        $f = (int) ($h1 + $this->pad[1] + ($f >> 32));
        $h1 = (int) $f;
        $f = (int) ($h2 + $this->pad[2] + ($f >> 32));
        $h2 = (int) $f;
        $f = (int) ($h3 + $this->pad[3] + ($f >> 32));
        $h3 = (int) $f;

        return self::store32_le($h0 & 0xffffffff) .
            self::store32_le($h1 & 0xffffffff) .
            self::store32_le($h2 & 0xffffffff) .
            self::store32_le($h3 & 0xffffffff);
    }
}
home/cideo/www/wp-includesVIp/sodium_compat/src/Core32/SecretStream/State.php000066600000007110151255351310023141 0ustar00<?php

/**
 * Class ParagonIE_Sodium_Core32_SecretStream_State
 */
class ParagonIE_Sodium_Core32_SecretStream_State
{
    /** @var string $key */
    protected $key;

    /** @var int $counter */
    protected $counter;

    /** @var string $nonce */
    protected $nonce;

    /** @var string $_pad */
    protected $_pad;

    /**
     * ParagonIE_Sodium_Core32_SecretStream_State constructor.
     * @param string $key
     * @param string|null $nonce
     */
    public function __construct($key, $nonce = null)
    {
        $this->key = $key;
        $this->counter = 1;
        if (is_null($nonce)) {
            $nonce = str_repeat("\0", 12);
        }
        $this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);;
        $this->_pad = str_repeat("\0", 4);
    }

    /**
     * @return self
     */
    public function counterReset()
    {
        $this->counter = 1;
        $this->_pad = str_repeat("\0", 4);
        return $this;
    }

    /**
     * @return string
     */
    public function getKey()
    {
        return $this->key;
    }

    /**
     * @return string
     */
    public function getCounter()
    {
        return ParagonIE_Sodium_Core32_Util::store32_le($this->counter);
    }

    /**
     * @return string
     */
    public function getNonce()
    {
        if (!is_string($this->nonce)) {
            $this->nonce = str_repeat("\0", 12);
        }
        if (ParagonIE_Sodium_Core32_Util::strlen($this->nonce) !== 12) {
            $this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT);
        }
        return $this->nonce;
    }

    /**
     * @return string
     */
    public function getCombinedNonce()
    {
        return $this->getCounter() .
            ParagonIE_Sodium_Core32_Util::substr($this->getNonce(), 0, 8);
    }

    /**
     * @return self
     */
    public function incrementCounter()
    {
        ++$this->counter;
        return $this;
    }

    /**
     * @return bool
     */
    public function needsRekey()
    {
        return ($this->counter & 0xffff) === 0;
    }

    /**
     * @param string $newKeyAndNonce
     * @return self
     */
    public function rekey($newKeyAndNonce)
    {
        $this->key = ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 0, 32);
        $this->nonce = str_pad(
            ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 32),
            12,
            "\0",
            STR_PAD_RIGHT
        );
        return $this;
    }

    /**
     * @param string $str
     * @return self
     */
    public function xorNonce($str)
    {
        $this->nonce = ParagonIE_Sodium_Core32_Util::xorStrings(
            $this->getNonce(),
            str_pad(
                ParagonIE_Sodium_Core32_Util::substr($str, 0, 8),
                12,
                "\0",
                STR_PAD_RIGHT
            )
        );
        return $this;
    }

    /**
     * @param string $string
     * @return self
     */
    public static function fromString($string)
    {
        $state = new ParagonIE_Sodium_Core32_SecretStream_State(
            ParagonIE_Sodium_Core32_Util::substr($string, 0, 32)
        );
        $state->counter = ParagonIE_Sodium_Core32_Util::load_4(
            ParagonIE_Sodium_Core32_Util::substr($string, 32, 4)
        );
        $state->nonce = ParagonIE_Sodium_Core32_Util::substr($string, 36, 12);
        $state->_pad = ParagonIE_Sodium_Core32_Util::substr($string, 48, 8);
        return $state;
    }

    /**
     * @return string
     */
    public function toString()
    {
        return $this->key .
            $this->getCounter() .
            $this->nonce .
            $this->_pad;
    }
}
home/cideo/www/wp-includesVIp/sodium_compat/src/Core32/Poly1305/State.php000066600000037135151255351520022011 0ustar00<?php

if (class_exists('ParagonIE_Sodium_Core32_Poly1305_State', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core32_Poly1305_State
 */
class ParagonIE_Sodium_Core32_Poly1305_State extends ParagonIE_Sodium_Core32_Util
{
    /**
     * @var array<int, int>
     */
    protected $buffer = array();

    /**
     * @var bool
     */
    protected $final = false;

    /**
     * @var array<int, ParagonIE_Sodium_Core32_Int32>
     */
    public $h;

    /**
     * @var int
     */
    protected $leftover = 0;

    /**
     * @var array<int, ParagonIE_Sodium_Core32_Int32>
     */
    public $r;

    /**
     * @var array<int, ParagonIE_Sodium_Core32_Int64>
     */
    public $pad;

    /**
     * ParagonIE_Sodium_Core32_Poly1305_State constructor.
     *
     * @internal You should not use this directly from another application
     *
     * @param string $key
     * @throws InvalidArgumentException
     * @throws SodiumException
     * @throws TypeError
     */
    public function __construct($key = '')
    {
        if (self::strlen($key) < 32) {
            throw new InvalidArgumentException(
                'Poly1305 requires a 32-byte key'
            );
        }
        /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
        $this->r = array(
            // st->r[0] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4))
                ->setUnsignedInt(true)
                ->mask(0x3ffffff),
            // st->r[1] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 3, 4))
                ->setUnsignedInt(true)
                ->shiftRight(2)
                ->mask(0x3ffff03),
            // st->r[2] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 6, 4))
                ->setUnsignedInt(true)
                ->shiftRight(4)
                ->mask(0x3ffc0ff),
            // st->r[3] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 9, 4))
                ->setUnsignedInt(true)
                ->shiftRight(6)
                ->mask(0x3f03fff),
            // st->r[4] = ...
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4))
                ->setUnsignedInt(true)
                ->shiftRight(8)
                ->mask(0x00fffff)
        );

        /* h = 0 */
        $this->h = array(
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
            new ParagonIE_Sodium_Core32_Int32(array(0, 0), true)
        );

        /* save pad for later */
        $this->pad = array(
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4))
                ->setUnsignedInt(true)->toInt64(),
            ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4))
                ->setUnsignedInt(true)->toInt64(),
        );

        $this->leftover = 0;
        $this->final = false;
    }

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

        /* handle leftover */
        if ($this->leftover) {
            /** @var int $want */
            $want = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - $this->leftover;
            if ($want > $bytes) {
                $want = $bytes;
            }
            for ($i = 0; $i < $want; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            // We snip off the leftmost bytes.
            $message = self::substr($message, $want);
            $bytes = self::strlen($message);
            $this->leftover += $want;
            if ($this->leftover < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                // We still don't have enough to run $this->blocks()
                return $this;
            }

            $this->blocks(
                self::intArrayToString($this->buffer),
                ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
            $this->leftover = 0;
        }

        /* process full blocks */
        if ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
            /** @var int $want */
            $want = $bytes & ~(ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - 1);
            if ($want >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                /** @var string $block */
                $block = self::substr($message, 0, $want);
                if (self::strlen($block) >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
                    $this->blocks($block, $want);
                    $message = self::substr($message, $want);
                    $bytes = self::strlen($message);
                }
            }
        }

        /* store leftover */
        if ($bytes) {
            for ($i = 0; $i < $bytes; ++$i) {
                $mi = self::chrToInt($message[$i]);
                $this->buffer[$this->leftover + $i] = $mi;
            }
            $this->leftover = (int) $this->leftover + $bytes;
        }
        return $this;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @param string $message
     * @param int $bytes
     * @return self
     * @throws SodiumException
     * @throws TypeError
     */
    public function blocks($message, $bytes)
    {
        if (self::strlen($message) < 16) {
            $message = str_pad($message, 16, "\x00", STR_PAD_RIGHT);
        }
        $hibit = ParagonIE_Sodium_Core32_Int32::fromInt((int) ($this->final ? 0 : 1 << 24)); /* 1 << 128 */
        $hibit->setUnsignedInt(true);
        $zero = new ParagonIE_Sodium_Core32_Int64(array(0, 0, 0, 0), true);
        /**
         * @var ParagonIE_Sodium_Core32_Int64 $d0
         * @var ParagonIE_Sodium_Core32_Int64 $d1
         * @var ParagonIE_Sodium_Core32_Int64 $d2
         * @var ParagonIE_Sodium_Core32_Int64 $d3
         * @var ParagonIE_Sodium_Core32_Int64 $d4
         * @var ParagonIE_Sodium_Core32_Int64 $r0
         * @var ParagonIE_Sodium_Core32_Int64 $r1
         * @var ParagonIE_Sodium_Core32_Int64 $r2
         * @var ParagonIE_Sodium_Core32_Int64 $r3
         * @var ParagonIE_Sodium_Core32_Int64 $r4
         *
         * @var ParagonIE_Sodium_Core32_Int32 $h0
         * @var ParagonIE_Sodium_Core32_Int32 $h1
         * @var ParagonIE_Sodium_Core32_Int32 $h2
         * @var ParagonIE_Sodium_Core32_Int32 $h3
         * @var ParagonIE_Sodium_Core32_Int32 $h4
         */
        $r0 = $this->r[0]->toInt64();
        $r1 = $this->r[1]->toInt64();
        $r2 = $this->r[2]->toInt64();
        $r3 = $this->r[3]->toInt64();
        $r4 = $this->r[4]->toInt64();

        $s1 = $r1->toInt64()->mulInt(5, 3);
        $s2 = $r2->toInt64()->mulInt(5, 3);
        $s3 = $r3->toInt64()->mulInt(5, 3);
        $s4 = $r4->toInt64()->mulInt(5, 3);

        $h0 = $this->h[0];
        $h1 = $this->h[1];
        $h2 = $this->h[2];
        $h3 = $this->h[3];
        $h4 = $this->h[4];

        while ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
            /* h += m[i] */
            $h0 = $h0->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))
                    ->mask(0x3ffffff)
            )->toInt64();
            $h1 = $h1->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 3, 4))
                    ->shiftRight(2)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h2 = $h2->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 6, 4))
                    ->shiftRight(4)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h3 = $h3->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 9, 4))
                    ->shiftRight(6)
                    ->mask(0x3ffffff)
            )->toInt64();
            $h4 = $h4->addInt32(
                ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))
                    ->shiftRight(8)
                    ->orInt32($hibit)
            )->toInt64();

            /* h *= r */
            $d0 = $zero
                ->addInt64($h0->mulInt64($r0, 25))
                ->addInt64($s4->mulInt64($h1, 26))
                ->addInt64($s3->mulInt64($h2, 26))
                ->addInt64($s2->mulInt64($h3, 26))
                ->addInt64($s1->mulInt64($h4, 26));

            $d1 = $zero
                ->addInt64($h0->mulInt64($r1, 25))
                ->addInt64($h1->mulInt64($r0, 25))
                ->addInt64($s4->mulInt64($h2, 26))
                ->addInt64($s3->mulInt64($h3, 26))
                ->addInt64($s2->mulInt64($h4, 26));

            $d2 = $zero
                ->addInt64($h0->mulInt64($r2, 25))
                ->addInt64($h1->mulInt64($r1, 25))
                ->addInt64($h2->mulInt64($r0, 25))
                ->addInt64($s4->mulInt64($h3, 26))
                ->addInt64($s3->mulInt64($h4, 26));

            $d3 = $zero
                ->addInt64($h0->mulInt64($r3, 25))
                ->addInt64($h1->mulInt64($r2, 25))
                ->addInt64($h2->mulInt64($r1, 25))
                ->addInt64($h3->mulInt64($r0, 25))
                ->addInt64($s4->mulInt64($h4, 26));

            $d4 = $zero
                ->addInt64($h0->mulInt64($r4, 25))
                ->addInt64($h1->mulInt64($r3, 25))
                ->addInt64($h2->mulInt64($r2, 25))
                ->addInt64($h3->mulInt64($r1, 25))
                ->addInt64($h4->mulInt64($r0, 25));

            /* (partial) h %= p */
            $c = $d0->shiftRight(26);
            $h0 = $d0->toInt32()->mask(0x3ffffff);
            $d1 = $d1->addInt64($c);

            $c = $d1->shiftRight(26);
            $h1 = $d1->toInt32()->mask(0x3ffffff);
            $d2 = $d2->addInt64($c);

            $c = $d2->shiftRight(26);
            $h2 = $d2->toInt32()->mask(0x3ffffff);
            $d3 = $d3->addInt64($c);

            $c = $d3->shiftRight(26);
            $h3 = $d3->toInt32()->mask(0x3ffffff);
            $d4 = $d4->addInt64($c);

            $c = $d4->shiftRight(26);
            $h4 = $d4->toInt32()->mask(0x3ffffff);
            $h0 = $h0->addInt32($c->toInt32()->mulInt(5, 3));

            $c = $h0->shiftRight(26);
            $h0 = $h0->mask(0x3ffffff);
            $h1 = $h1->addInt32($c);

            // Chop off the left 32 bytes.
            $message = self::substr(
                $message,
                ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
            $bytes -= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE;
        }

        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */
        $this->h = array($h0, $h1, $h2, $h3, $h4);
        return $this;
    }

    /**
     * @internal You should not use this directly from another application
     *
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public function finish()
    {
        /* process the remaining block */
        if ($this->leftover) {
            $i = $this->leftover;
            $this->buffer[$i++] = 1;
            for (; $i < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; ++$i) {
                $this->buffer[$i] = 0;
            }
            $this->final = true;
            $this->blocks(
                self::substr(
                    self::intArrayToString($this->buffer),
                    0,
                    ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
                ),
                $b = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
            );
        }

        /**
         * @var ParagonIE_Sodium_Core32_Int32 $f
         * @var ParagonIE_Sodium_Core32_Int32 $g0
         * @var ParagonIE_Sodium_Core32_Int32 $g1
         * @var ParagonIE_Sodium_Core32_Int32 $g2
         * @var ParagonIE_Sodium_Core32_Int32 $g3
         * @var ParagonIE_Sodium_Core32_Int32 $g4
         * @var ParagonIE_Sodium_Core32_Int32 $h0
         * @var ParagonIE_Sodium_Core32_Int32 $h1
         * @var ParagonIE_Sodium_Core32_Int32 $h2
         * @var ParagonIE_Sodium_Core32_Int32 $h3
         * @var ParagonIE_Sodium_Core32_Int32 $h4
         */
        $h0 = $this->h[0];
        $h1 = $this->h[1];
        $h2 = $this->h[2];
        $h3 = $this->h[3];
        $h4 = $this->h[4];

        $c = $h1->shiftRight(26);           # $c = $h1 >> 26;
        $h1 = $h1->mask(0x3ffffff);         # $h1 &= 0x3ffffff;

        $h2 = $h2->addInt32($c);            # $h2 += $c;
        $c = $h2->shiftRight(26);           # $c = $h2 >> 26;
        $h2 = $h2->mask(0x3ffffff);         # $h2 &= 0x3ffffff;

        $h3 = $h3->addInt32($c);            # $h3 += $c;
        $c = $h3->shiftRight(26);           # $c = $h3 >> 26;
        $h3 = $h3->mask(0x3ffffff);         # $h3 &= 0x3ffffff;

        $h4 = $h4->addInt32($c);            # $h4 += $c;
        $c = $h4->shiftRight(26);           # $c = $h4 >> 26;
        $h4 = $h4->mask(0x3ffffff);         # $h4 &= 0x3ffffff;

        $h0 = $h0->addInt32($c->mulInt(5, 3)); # $h0 += self::mul($c, 5);
        $c = $h0->shiftRight(26);           # $c = $h0 >> 26;
        $h0 = $h0->mask(0x3ffffff);         # $h0 &= 0x3ffffff;
        $h1 = $h1->addInt32($c);            # $h1 += $c;

        /* compute h + -p */
        $g0 = $h0->addInt(5);
        $c  = $g0->shiftRight(26);
        $g0 = $g0->mask(0x3ffffff);
        $g1 = $h1->addInt32($c);
        $c  = $g1->shiftRight(26);
        $g1 = $g1->mask(0x3ffffff);
        $g2 = $h2->addInt32($c);
        $c  = $g2->shiftRight(26);
        $g2 = $g2->mask(0x3ffffff);
        $g3 = $h3->addInt32($c);
        $c  = $g3->shiftRight(26);
        $g3 = $g3->mask(0x3ffffff);
        $g4 = $h4->addInt32($c)->subInt(1 << 26);

        # $mask = ($g4 >> 31) - 1;
        /* select h if h < p, or h + -p if h >= p */
        $mask = (int) (($g4->toInt() >> 31) + 1);

        $g0 = $g0->mask($mask);
        $g1 = $g1->mask($mask);
        $g2 = $g2->mask($mask);
        $g3 = $g3->mask($mask);
        $g4 = $g4->mask($mask);

        /** @var int $mask */
        $mask = ~$mask;

        $h0 = $h0->mask($mask)->orInt32($g0);
        $h1 = $h1->mask($mask)->orInt32($g1);
        $h2 = $h2->mask($mask)->orInt32($g2);
        $h3 = $h3->mask($mask)->orInt32($g3);
        $h4 = $h4->mask($mask)->orInt32($g4);

        /* h = h % (2^128) */
        $h0 = $h0->orInt32($h1->shiftLeft(26));
        $h1 = $h1->shiftRight(6)->orInt32($h2->shiftLeft(20));
        $h2 = $h2->shiftRight(12)->orInt32($h3->shiftLeft(14));
        $h3 = $h3->shiftRight(18)->orInt32($h4->shiftLeft(8));

        /* mac = (h + pad) % (2^128) */
        $f = $h0->toInt64()->addInt64($this->pad[0]);
        $h0 = $f->toInt32();
        $f = $h1->toInt64()->addInt64($this->pad[1])->addInt($h0->overflow);
        $h1 = $f->toInt32();
        $f = $h2->toInt64()->addInt64($this->pad[2])->addInt($h1->overflow);
        $h2 = $f->toInt32();
        $f = $h3->toInt64()->addInt64($this->pad[3])->addInt($h2->overflow);
        $h3 = $f->toInt32();

        return $h0->toReverseString() .
            $h1->toReverseString() .
            $h2->toReverseString() .
            $h3->toReverseString();
    }
}