ParagonIE_Sodium_Core32_Salsa20

Compatibility

Present in every tracked release (6.7.7 to 7.1.0).

Methods · 4

• core_salsa20()Calculate an salsa20 hash of a single block
• salsa20()
• salsa20_xor_ic()
• salsa20_xor()

Source code

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10abstract class ParagonIE_Sodium_Core32_Salsa20 extends ParagonIE_Sodium_Core32_Util11{12    const ROUNDS = 20;13 14    /**15     * Calculate an salsa20 hash of a single block16     *17     * @internal You should not use this directly from another application18     *19     * @param string $in20     * @param string $k21     * @param string|null $c22     * @return string23     * @throws SodiumException24     * @throws TypeError25     */26    public static function core_salsa20($in, $k, $c = null)27    {28        /**29         * @var ParagonIE_Sodium_Core32_Int32 $x030         * @var ParagonIE_Sodium_Core32_Int32 $x131         * @var ParagonIE_Sodium_Core32_Int32 $x232         * @var ParagonIE_Sodium_Core32_Int32 $x333         * @var ParagonIE_Sodium_Core32_Int32 $x434         * @var ParagonIE_Sodium_Core32_Int32 $x535         * @var ParagonIE_Sodium_Core32_Int32 $x636         * @var ParagonIE_Sodium_Core32_Int32 $x737         * @var ParagonIE_Sodium_Core32_Int32 $x838         * @var ParagonIE_Sodium_Core32_Int32 $x939         * @var ParagonIE_Sodium_Core32_Int32 $x1040         * @var ParagonIE_Sodium_Core32_Int32 $x1141         * @var ParagonIE_Sodium_Core32_Int32 $x1242         * @var ParagonIE_Sodium_Core32_Int32 $x1343         * @var ParagonIE_Sodium_Core32_Int32 $x1444         * @var ParagonIE_Sodium_Core32_Int32 $x1545         * @var ParagonIE_Sodium_Core32_Int32 $j046         * @var ParagonIE_Sodium_Core32_Int32 $j147         * @var ParagonIE_Sodium_Core32_Int32 $j248         * @var ParagonIE_Sodium_Core32_Int32 $j349         * @var ParagonIE_Sodium_Core32_Int32 $j450         * @var ParagonIE_Sodium_Core32_Int32 $j551         * @var ParagonIE_Sodium_Core32_Int32 $j652         * @var ParagonIE_Sodium_Core32_Int32 $j753         * @var ParagonIE_Sodium_Core32_Int32 $j854         * @var ParagonIE_Sodium_Core32_Int32 $j955         * @var ParagonIE_Sodium_Core32_Int32 $j1056         * @var ParagonIE_Sodium_Core32_Int32 $j1157         * @var ParagonIE_Sodium_Core32_Int32 $j1258         * @var ParagonIE_Sodium_Core32_Int32 $j1359         * @var ParagonIE_Sodium_Core32_Int32 $j1460         * @var ParagonIE_Sodium_Core32_Int32 $j1561         */62        if (self::strlen($k) < 32) {63            throw new RangeException('Key must be 32 bytes long');64        }65        if ($c === null) {66            $x0  = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));67            $x5  = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));68            $x10 = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));69            $x15 = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));70        } else {71            $x0  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 0, 4));72            $x5  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 4, 4));73            $x10 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 8, 4));74            $x15 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($c, 12, 4));75        }76        $x1  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 0, 4));77        $x2  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 4, 4));78        $x3  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 8, 4));79        $x4  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 12, 4));80        $x6  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 0, 4));81        $x7  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 4, 4));82        $x8  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 8, 4));83        $x9  = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($in, 12, 4));84        $x11 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 16, 4));85        $x12 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 20, 4));86        $x13 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 24, 4));87        $x14 = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($k, 28, 4));88 89        $j0  = clone $x0;

Changelog

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.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/sodium_compat/src/Core32/Salsa20.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

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