22639242943

Committed 03 Mar 2026 07:30PM UTC coverage: 97.792% (-0.4%) from 98.201%

Build # 22639242943

Build Type

Pull #607

github

Committed by

azjezz

Commit Message

feat: introduce `Crypto` component

Signed-off-by: azjezz <azjezz@protonmail.com>

Pull Request Pull Request #607: feat: introduce `Crypto` component

Coverage Stats

348 of 394 new or added lines in 49 files covered. (88.32%)

2 existing lines in 1 file now uncovered.

9302 of 9512 relevant lines covered (97.79%)

39.03 hits per line

Source File
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66.67

/src/Psl/Crypto/Hkdf/extract.php

<?php

declare(strict_types=1);

namespace Psl\Crypto\Hkdf;

use Psl\Encoding\Hex;
use Psl\Hash\Hmac;
use SensitiveParameter;

use function str_repeat;

/**
 * HKDF-Extract: Extract a pseudorandom key from input keying material.
 *
 * @see https://tools.ietf.org/html/rfc5869#section-2.2
 */
function extract(
    #[SensitiveParameter] string $input_keying_material,
    string $salt = '',
    Hmac\Algorithm $algorithm = Hmac\Algorithm::Sha256,
): string {
    if ($salt === '') {
        /** @var non-negative-int $hashLength */
        $hashLength = match ($algorithm) {
            Hmac\Algorithm::Sha256 => 32,
            Hmac\Algorithm::Sha384 => 48,
            Hmac\Algorithm::Sha512 => 64,
            default => 32,
        };

        /** @var non-empty-string $salt */
        $salt = str_repeat("\x00", $hashLength);
    }

    return Hex\decode(Hmac\hash($input_keying_material, $algorithm, $salt));
}

1	<?php
2
3	declare(strict_types=1);
4
5	namespace Psl\Crypto\Hkdf;
6
7	use Psl\Encoding\Hex;
8	use Psl\Hash\Hmac;
9	use SensitiveParameter;
10
11	use function str_repeat;
12
13	/**
14	* HKDF-Extract: Extract a pseudorandom key from input keying material.
15	*
16	* @see https://tools.ietf.org/html/rfc5869#section-2.2
17	*/
18	function extract(
19	#[SensitiveParameter] string $input_keying_material,
20	string $salt = '',
21	Hmac\Algorithm $algorithm = Hmac\Algorithm::Sha256,
22	): string {
23	if ($salt === '') {	11✔
24	/** @var non-negative-int $hashLength */
25	$hashLength = match ($algorithm) {	2✔
26	Hmac\Algorithm::Sha256 => 32,	2✔
NEW 27	Hmac\Algorithm::Sha384 => 48,	×
NEW 28	Hmac\Algorithm::Sha512 => 64,	×
NEW 29	default => 32,	×
30	};	2✔
31
32	/** @var non-empty-string $salt */
33	$salt = str_repeat("\x00", $hashLength);	2✔
34	}
35
36	return Hex\decode(Hmac\hash($input_keying_material, $algorithm, $salt));	11✔
37	}

azjezz / psl / 22639242943

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