WIBUHAX0R1337

- WIBUHAX0R1337 -

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<?php

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

/**
 * Class ParagonIE_SodiumCompat_Core_SipHash
 *
 * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers
 */
class ParagonIE_Sodium_Core_SipHash extends ParagonIE_Sodium_Core_Util
{
    /**
     * @internal You should not use this directly from another application
     *
     * @param int[] $v
     * @return int[]
     *
     */
    public static function sipRound(array $v)
    {
        # v0 += v1;
        list($v[0], $v[1]) = self::add(
            array($v[0], $v[1]),
            array($v[2], $v[3])
        );

#  v1=ROTL(v1,13);
        list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 13);

#  v1 ^= v0;
        $v[2] = (int) $v[2] ^ (int) $v[0];
        $v[3] = (int) $v[3] ^ (int) $v[1];

#  v0=ROTL(v0,32);
        list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32);

# v2 += v3;
        list($v[4], $v[5]) = self::add(
            array((int) $v[4], (int) $v[5]),
            array((int) $v[6], (int) $v[7])
        );

# v3=ROTL(v3,16);
        list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 16);

#  v3 ^= v2;
        $v[6] = (int) $v[6] ^ (int) $v[4];
        $v[7] = (int) $v[7] ^ (int) $v[5];

# v0 += v3;
        list($v[0], $v[1]) = self::add(
            array((int) $v[0], (int) $v[1]),
            array((int) $v[6], (int) $v[7])
        );

# v3=ROTL(v3,21);
        list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21);

# v3 ^= v0;
        $v[6] = (int) $v[6] ^ (int) $v[0];
        $v[7] = (int) $v[7] ^ (int) $v[1];

# v2 += v1;
        list($v[4], $v[5]) = self::add(
            array((int) $v[4], (int) $v[5]),
            array((int) $v[2], (int) $v[3])
        );

# v1=ROTL(v1,17);
        list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17);

#  v1 ^= v2;;
        $v[2] = (int) $v[2] ^ (int) $v[4];
        $v[3] = (int) $v[3] ^ (int) $v[5];

# v2=ROTL(v2,32)
        list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32);

return $v;
    }

/**
     * Add two 32 bit integers representing a 64-bit integer.
     *
     * @internal You should not use this directly from another application
     *
     * @param int[] $a
     * @param int[] $b
     * @return array<int, mixed>
     */
    public static function add(array $a, array $b)
    {
        /** @var int $x1 */
        $x1 = $a[1] + $b[1];
        /** @var int $c */
        $c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff
        /** @var int $x0 */
        $x0 = $a[0] + $b[0] + $c;
        return array(
            $x0 & 0xffffffff,
            $x1 & 0xffffffff
        );
    }

/**
     * @internal You should not use this directly from another application
     *
     * @param int $int0
     * @param int $int1
     * @param int $c
     * @return array<int, mixed>
     */
    public static function rotl_64($int0, $int1, $c)
    {
        $int0 &= 0xffffffff;
        $int1 &= 0xffffffff;
        $c &= 63;
        if ($c === 32) {
            return array($int1, $int0);
        }
        if ($c > 31) {
            $tmp = $int1;
            $int1 = $int0;
            $int0 = $tmp;
            $c &= 31;
        }
        if ($c === 0) {
            return array($int0, $int1);
        }
        return array(
            0xffffffff & (
                ($int0 << $c)
                    |
                ($int1 >> (32 - $c))
            ),
            0xffffffff & (
                ($int1 << $c)
                    |
                ($int0 >> (32 - $c))
            ),
        );
    }

/**
     * Implements Siphash-2-4 using only 32-bit numbers.
     *
     * When we split an int into two, the higher bits go to the lower index.
     * e.g. 0xDEADBEEFAB10C92D becomes [
     *     0 => 0xDEADBEEF,
     *     1 => 0xAB10C92D
     * ].
     *
     * @internal You should not use this directly from another application
     *
     * @param string $in
     * @param string $key
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function sipHash24($in, $key)
    {
        $inlen = self::strlen($in);

# /* "somepseudorandomlygeneratedbytes" */
        # u64 v0 = 0x736f6d6570736575ULL;
        # u64 v1 = 0x646f72616e646f6dULL;
        # u64 v2 = 0x6c7967656e657261ULL;
        # u64 v3 = 0x7465646279746573ULL;
        $v = array(
            0x736f6d65, // 0
            0x70736575, // 1
            0x646f7261, // 2
            0x6e646f6d, // 3
            0x6c796765, // 4
            0x6e657261, // 5
            0x74656462, // 6
            0x79746573  // 7
        );
        // v0 => $v[0], $v[1]
        // v1 => $v[2], $v[3]
        // v2 => $v[4], $v[5]
        // v3 => $v[6], $v[7]

# u64 k0 = LOAD64_LE( k );
        # u64 k1 = LOAD64_LE( k + 8 );
        $k = array(
            self::load_4(self::substr($key, 4, 4)),
            self::load_4(self::substr($key, 0, 4)),
            self::load_4(self::substr($key, 12, 4)),
            self::load_4(self::substr($key, 8, 4))
        );
        // k0 => $k[0], $k[1]
        // k1 => $k[2], $k[3]

# b = ( ( u64 )inlen ) << 56;
        $b = array(
            $inlen << 24,
            0
        );
        // See docblock for why the 0th index gets the higher bits.

# v3 ^= k1;
        $v[6] ^= $k[2];
        $v[7] ^= $k[3];
        # v2 ^= k0;
        $v[4] ^= $k[0];
        $v[5] ^= $k[1];
        # v1 ^= k1;
        $v[2] ^= $k[2];
        $v[3] ^= $k[3];
        # v0 ^= k0;
        $v[0] ^= $k[0];
        $v[1] ^= $k[1];

$left = $inlen;
        # for ( ; in != end; in += 8 )
        while ($left >= 8) {
            # m = LOAD64_LE( in );
            $m = array(
                self::load_4(self::substr($in, 4, 4)),
                self::load_4(self::substr($in, 0, 4))
            );

# v3 ^= m;
            $v[6] ^= $m[0];
            $v[7] ^= $m[1];

# SIPROUND;
            # SIPROUND;
            $v = self::sipRound($v);
            $v = self::sipRound($v);

# v0 ^= m;
            $v[0] ^= $m[0];
            $v[1] ^= $m[1];

$in = self::substr($in, 8);
            $left -= 8;
        }

# switch( left )
        #  {
        #     case 7: b |= ( ( u64 )in[ 6] )  << 48;
        #     case 6: b |= ( ( u64 )in[ 5] )  << 40;
        #     case 5: b |= ( ( u64 )in[ 4] )  << 32;
        #     case 4: b |= ( ( u64 )in[ 3] )  << 24;
        #     case 3: b |= ( ( u64 )in[ 2] )  << 16;
        #     case 2: b |= ( ( u64 )in[ 1] )  <<  8;
        #     case 1: b |= ( ( u64 )in[ 0] ); break;
        #     case 0: break;
        # }
        switch ($left) {
            case 7:
                $b[0] |= self::chrToInt($in[6]) << 16;
            case 6:
                $b[0] |= self::chrToInt($in[5]) << 8;
            case 5:
                $b[0] |= self::chrToInt($in[4]);
            case 4:
                $b[1] |= self::chrToInt($in[3]) << 24;
            case 3:
                $b[1] |= self::chrToInt($in[2]) << 16;
            case 2:
                $b[1] |= self::chrToInt($in[1]) << 8;
            case 1:
                $b[1] |= self::chrToInt($in[0]);
            case 0:
                break;
        }
        // See docblock for why the 0th index gets the higher bits.

# v3 ^= b;
        $v[6] ^= $b[0];
        $v[7] ^= $b[1];

# SIPROUND;
        # SIPROUND;
        $v = self::sipRound($v);
        $v = self::sipRound($v);

# v0 ^= b;
        $v[0] ^= $b[0];
        $v[1] ^= $b[1];

// Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation
        # v2 ^= 0xff;
        $v[5] ^= 0xff;

# SIPROUND;
        # SIPROUND;
        # SIPROUND;
        # SIPROUND;
        $v = self::sipRound($v);
        $v = self::sipRound($v);
        $v = self::sipRound($v);
        $v = self::sipRound($v);

# b = v0 ^ v1 ^ v2 ^ v3;
        # STORE64_LE( out, b );
        return  self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) .
            self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]);
    }
}

Nama File / Folder	Size	Action
AEGIS	--	NONE
AES	--	NONE
Base64	--	NONE
ChaCha20	--	NONE
Curve25519	--	NONE
Poly1305	--	NONE
SecretStream	--	NONE
Ed25519.php	17.074KB	Edit File Delete File Rename
Poly1305.php	1.537KB	Edit File Delete File Rename
Salsa20.php	8.04KB	Edit File Delete File Rename
SipHash.php	8.04KB	Edit File Delete File Rename
Util.php	28.245KB	Edit File Delete File Rename