ParagonIE_Sodium_Core32_HSalsa20

Methods · 1

• hsalsa20()Calculate an hsalsa20 hash of a single block

Source

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10abstract class ParagonIE_Sodium_Core32_HSalsa20 extends ParagonIE_Sodium_Core32_Salsa2011{12    /**13     * Calculate an hsalsa20 hash of a single block14     *15     * HSalsa20 doesn't have a counter and will never be used for more than16     * one block (used to derive a subkey for xsalsa20).17     *18     * @internal You should not use this directly from another application19     *20     * @param string $in21     * @param string $k22     * @param string|null $c23     * @return string24     * @throws SodiumException25     * @throws TypeError26     */27    public static function hsalsa20($in, $k, $c = null)28    {29        /**30         * @var ParagonIE_Sodium_Core32_Int32 $x031         * @var ParagonIE_Sodium_Core32_Int32 $x132         * @var ParagonIE_Sodium_Core32_Int32 $x233         * @var ParagonIE_Sodium_Core32_Int32 $x334         * @var ParagonIE_Sodium_Core32_Int32 $x435         * @var ParagonIE_Sodium_Core32_Int32 $x536         * @var ParagonIE_Sodium_Core32_Int32 $x637         * @var ParagonIE_Sodium_Core32_Int32 $x738         * @var ParagonIE_Sodium_Core32_Int32 $x839         * @var ParagonIE_Sodium_Core32_Int32 $x940         * @var ParagonIE_Sodium_Core32_Int32 $x1041         * @var ParagonIE_Sodium_Core32_Int32 $x1142         * @var ParagonIE_Sodium_Core32_Int32 $x1243         * @var ParagonIE_Sodium_Core32_Int32 $x1344         * @var ParagonIE_Sodium_Core32_Int32 $x1445         * @var ParagonIE_Sodium_Core32_Int32 $x1546         * @var ParagonIE_Sodium_Core32_Int32 $j047         * @var ParagonIE_Sodium_Core32_Int32 $j148         * @var ParagonIE_Sodium_Core32_Int32 $j249         * @var ParagonIE_Sodium_Core32_Int32 $j350         * @var ParagonIE_Sodium_Core32_Int32 $j451         * @var ParagonIE_Sodium_Core32_Int32 $j552         * @var ParagonIE_Sodium_Core32_Int32 $j653         * @var ParagonIE_Sodium_Core32_Int32 $j754         * @var ParagonIE_Sodium_Core32_Int32 $j855         * @var ParagonIE_Sodium_Core32_Int32 $j956         * @var ParagonIE_Sodium_Core32_Int32 $j1057         * @var ParagonIE_Sodium_Core32_Int32 $j1158         * @var ParagonIE_Sodium_Core32_Int32 $j1259         * @var ParagonIE_Sodium_Core32_Int32 $j1360         * @var ParagonIE_Sodium_Core32_Int32 $j1461         * @var ParagonIE_Sodium_Core32_Int32 $j1562         */63        if (self::strlen($k) < 32) {64            throw new RangeException('Key must be 32 bytes long');65        }66        if ($c === null) {67            $x0  = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));68            $x5  = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));69            $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));70            $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));71        } else {72            $x0  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));73            $x5  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));74            $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));75            $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));76        }77        $x1  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4));78        $x2  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4));79        $x3  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4));80        $x4  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4));81        $x6  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));82        $x7  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));83        $x8  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));84        $x9  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));85        $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4));86        $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4));87        $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4));88        $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4));89

History

Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

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Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/sodium_compat/src/Core32/HSalsa20.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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