ParagonIE_Sodium_Core32_HSalsa20::hsalsa20( string $in, string $k, string|null $c = null ): string

Description

Parameters

$instring

$kstring

$cstring|nulloptional

Default: null

Return

string

Uses · 5

• ParagonIE_Sodium_Core32_HSalsa20::strlen()
• RangeException::__construct()
• ParagonIE_Sodium_Core32_Int32::__construct()ParagonIE_Sodium_Core32_Int32 constructor.
• ParagonIE_Sodium_Core32_Int32::fromReverseString()
• ParagonIE_Sodium_Core32_HSalsa20::substr()

Used by · 5

• ParagonIE_Sodium_Crypto32::box_beforenm()Used by crypto_box() to get the crypto_secretbox() key.
• ParagonIE_Sodium_Crypto32::secretbox()XSalsa20-Poly1305 authenticated symmetric-key encryption.
• ParagonIE_Sodium_Crypto32::secretbox_open()Decrypt a ciphertext generated via secretbox().
• ParagonIE_Sodium_File::secretbox_decrypt_core32()Decrypt a file (32-bit)
• ParagonIE_Sodium_File::secretbox_encrypt_core32()Encrypt a file (32-bit)

Source

View on Trac ↗View on GitHub ↗

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 90        for ($i = self::ROUNDS; $i > 0; $i -= 2) {91            $x4  = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7));92            $x8  = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9));93            $x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13));94            $x0  = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18));95 96            $x9  = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7));97            $x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9));98            $x1  = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13));99            $x5  = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18));100 101            $x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7));102            $x2  = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9));103            $x6  = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13));104            $x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18));105 106            $x3  = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7));

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.

About this page

Parsed data

Generated from the wordpress-develop 6.7.7 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.

Corrections

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