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home / softbdltd / images-bd.com / wp-includes87b / sodium_compat / src / Core32 /

?? ..
?? BLAKE2b.php(21.8 KB)
?? ChaCha20
?? ChaCha20.php(14.17 KB)
?? Curve25519
?? Curve25519.php(129.86 KB)
?? Ed25519.php(15.37 KB)
?? HChaCha20.php(5.17 KB)
?? HSalsa20.php(6.78 KB)
?? Int32.php(24 KB)
?? Int64.php(30.44 KB)
?? Poly1305
?? Poly1305.php(1.55 KB)
?? Salsa20.php(11.24 KB)
?? SecretStream
?? SipHash.php(6.46 KB)
?? Util.php(209 B)
?? X25519.php(10.78 KB)
?? XChaCha20.php(2.4 KB)
?? XSalsa20.php(1.35 KB)

Editing: HChaCha20.php

<?php

if (class_exists('ParagonIE_Sodium_Core32_HChaCha20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_HChaCha20
 */
class ParagonIE_Sodium_Core32_HChaCha20 extends ParagonIE_Sodium_Core32_ChaCha20
{
    /**
     * @param string $in
     * @param string $key
     * @param string|null $c
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    public static function hChaCha20($in = '', $key = '', $c = null)
    {
        $ctx = array();

if ($c === null) {
            $ctx[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
            $ctx[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
            $ctx[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
            $ctx[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));
        } else {
            $ctx[0] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));
            $ctx[1] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));
            $ctx[2] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));
            $ctx[3] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));
        }
        $ctx[4]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4));
        $ctx[5]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4));
        $ctx[6]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4));
        $ctx[7]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4));
        $ctx[8]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4));
        $ctx[9]  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4));
        $ctx[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4));
        $ctx[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4));
        $ctx[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));
        $ctx[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));
        $ctx[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));
        $ctx[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));

return self::hChaCha20Bytes($ctx);
    }

/**
     * @param array $ctx
     * @return string
     * @throws SodiumException
     * @throws TypeError
     */
    protected static function hChaCha20Bytes(array $ctx)
    {
        /** @var ParagonIE_Sodium_Core32_Int32 $x0 */
        $x0  = $ctx[0];
        /** @var ParagonIE_Sodium_Core32_Int32 $x1 */
        $x1  = $ctx[1];
        /** @var ParagonIE_Sodium_Core32_Int32 $x2 */
        $x2  = $ctx[2];
        /** @var ParagonIE_Sodium_Core32_Int32 $x3 */
        $x3  = $ctx[3];
        /** @var ParagonIE_Sodium_Core32_Int32 $x4 */
        $x4  = $ctx[4];
        /** @var ParagonIE_Sodium_Core32_Int32 $x5 */
        $x5  = $ctx[5];
        /** @var ParagonIE_Sodium_Core32_Int32 $x6 */
        $x6  = $ctx[6];
        /** @var ParagonIE_Sodium_Core32_Int32 $x7 */
        $x7  = $ctx[7];
        /** @var ParagonIE_Sodium_Core32_Int32 $x8 */
        $x8  = $ctx[8];
        /** @var ParagonIE_Sodium_Core32_Int32 $x9 */
        $x9  = $ctx[9];
        /** @var ParagonIE_Sodium_Core32_Int32 $x10 */
        $x10 = $ctx[10];
        /** @var ParagonIE_Sodium_Core32_Int32 $x11 */
        $x11 = $ctx[11];
        /** @var ParagonIE_Sodium_Core32_Int32 $x12 */
        $x12 = $ctx[12];
        /** @var ParagonIE_Sodium_Core32_Int32 $x13 */
        $x13 = $ctx[13];
        /** @var ParagonIE_Sodium_Core32_Int32 $x14 */
        $x14 = $ctx[14];
        /** @var ParagonIE_Sodium_Core32_Int32 $x15 */
        $x15 = $ctx[15];

for ($i = 0; $i < 10; ++$i) {
            # 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);
        }

return $x0->toReverseString() .
            $x1->toReverseString() .
            $x2->toReverseString() .
            $x3->toReverseString() .
            $x12->toReverseString() .
            $x13->toReverseString() .
            $x14->toReverseString() .
            $x15->toReverseString();
    }
}

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Editing: HChaCha20.php

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