1#@!#!123s

: / usr / local / psa / admin / plib / modules / grafana / vendor / lcobucci / jwt / src / Signer /

Filename : Blake2b.php

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<?php

declare (strict_types=1);
namespace PleskGrafana\Lcobucci\JWT\Signer;

use PleskGrafana\Lcobucci\JWT\Signer;
use function hash_equals;
use function sodium_crypto_generichash;
use function strlen;
final class Blake2b implements Signer
{
    private const MINIMUM_KEY_LENGTH_IN_BITS = 256;
    public function algorithmId() : string
    {
        return 'BLAKE2B';
    }
    public function sign(string $payload, Key $key) : string
    {
        $actualKeyLength = 8 * strlen($key->contents());
        if ($actualKeyLength < self::MINIMUM_KEY_LENGTH_IN_BITS) {
            throw InvalidKeyProvided::tooShort(self::MINIMUM_KEY_LENGTH_IN_BITS, $actualKeyLength);
        }
        return sodium_crypto_generichash($payload, $key->contents());
    }
    public function verify(string $expected, string $payload, Key $key) : bool
    {
        return hash_equals($expected, $this->sign($payload, $key));
    }
}