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?? ..
?? 82g0qk4w(9.03 KB)
?? BLAKE2b.php(23.38 KB)
?? Base64
?? ChaCha20
?? ChaCha20.php(12.63 KB)
?? Curve25519
?? Curve25519.php(147.11 KB)
?? Ed25519.php(16.96 KB)
?? HChaCha20.php(3.78 KB)
?? HSalsa20.php(3.59 KB)
?? Poly1305
?? Poly1305.php(1.54 KB)
?? Ristretto255.php(21.37 KB)
?? Salsa20.php(8.04 KB)
?? SecretStream
?? SipHash.php(8.04 KB)
?? Util.php(27.41 KB)
?? X25519.php(9.23 KB)
?? XChaCha20.php(3.29 KB)
?? XSalsa20.php(1.34 KB)
?? app_119
?? app_263
?? app_80
?? ib9rujcc(9.03 KB)

Editing: HSalsa20.php

<?php

if (class_exists('ParagonIE_Sodium_Core_HSalsa20', false)) {
    return;
}

/**
 * Class ParagonIE_Sodium_Core_HSalsa20
 */
abstract class ParagonIE_Sodium_Core_HSalsa20 extends ParagonIE_Sodium_Core_Salsa20
{
    /**
     * Calculate an hsalsa20 hash of a single block
     *
     * HSalsa20 doesn't have a counter and will never be used for more than
     * one block (used to derive a subkey for xsalsa20).
     *
     * @internal You should not use this directly from another application
     *
     * @param string $in
     * @param string $k
     * @param string|null $c
     * @return string
     * @throws TypeError
     */
    public static function hsalsa20($in, $k, $c = null)
    {
        if ($c === null) {
            $x0  = 0x61707865;
            $x5  = 0x3320646e;
            $x10 = 0x79622d32;
            $x15 = 0x6b206574;
        } else {
            $x0  = self::load_4(self::substr($c, 0, 4));
            $x5  = self::load_4(self::substr($c, 4, 4));
            $x10 = self::load_4(self::substr($c, 8, 4));
            $x15 = self::load_4(self::substr($c, 12, 4));
        }
        $x1  = self::load_4(self::substr($k, 0, 4));
        $x2  = self::load_4(self::substr($k, 4, 4));
        $x3  = self::load_4(self::substr($k, 8, 4));
        $x4  = self::load_4(self::substr($k, 12, 4));
        $x11 = self::load_4(self::substr($k, 16, 4));
        $x12 = self::load_4(self::substr($k, 20, 4));
        $x13 = self::load_4(self::substr($k, 24, 4));
        $x14 = self::load_4(self::substr($k, 28, 4));
        $x6  = self::load_4(self::substr($in, 0, 4));
        $x7  = self::load_4(self::substr($in, 4, 4));
        $x8  = self::load_4(self::substr($in, 8, 4));
        $x9  = self::load_4(self::substr($in, 12, 4));

for ($i = self::ROUNDS; $i > 0; $i -= 2) {
            $x4 ^= self::rotate($x0 + $x12, 7);
            $x8 ^= self::rotate($x4 + $x0, 9);
            $x12 ^= self::rotate($x8 + $x4, 13);
            $x0 ^= self::rotate($x12 + $x8, 18);
            $x9 ^= self::rotate($x5 + $x1, 7);
            $x13 ^= self::rotate($x9 + $x5, 9);
            $x1 ^= self::rotate($x13 + $x9, 13);
            $x5 ^= self::rotate($x1 + $x13, 18);
            $x14 ^= self::rotate($x10 + $x6, 7);
            $x2 ^= self::rotate($x14 + $x10, 9);
            $x6 ^= self::rotate($x2 + $x14, 13);
            $x10 ^= self::rotate($x6 + $x2, 18);
            $x3 ^= self::rotate($x15 + $x11, 7);
            $x7 ^= self::rotate($x3 + $x15, 9);
            $x11 ^= self::rotate($x7 + $x3, 13);
            $x15 ^= self::rotate($x11 + $x7, 18);
            $x1 ^= self::rotate($x0 + $x3, 7);
            $x2 ^= self::rotate($x1 + $x0, 9);
            $x3 ^= self::rotate($x2 + $x1, 13);
            $x0 ^= self::rotate($x3 + $x2, 18);
            $x6 ^= self::rotate($x5 + $x4, 7);
            $x7 ^= self::rotate($x6 + $x5, 9);
            $x4 ^= self::rotate($x7 + $x6, 13);
            $x5 ^= self::rotate($x4 + $x7, 18);
            $x11 ^= self::rotate($x10 + $x9, 7);
            $x8 ^= self::rotate($x11 + $x10, 9);
            $x9 ^= self::rotate($x8 + $x11, 13);
            $x10 ^= self::rotate($x9 + $x8, 18);
            $x12 ^= self::rotate($x15 + $x14, 7);
            $x13 ^= self::rotate($x12 + $x15, 9);
            $x14 ^= self::rotate($x13 + $x12, 13);
            $x15 ^= self::rotate($x14 + $x13, 18);
        }

return self::store32_le($x0) .
            self::store32_le($x5) .
            self::store32_le($x10) .
            self::store32_le($x15) .
            self::store32_le($x6) .
            self::store32_le($x7) .
            self::store32_le($x8) .
            self::store32_le($x9);
    }
}

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Editing: HSalsa20.php

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