<?php

namespace Lcobucci\JWT\Signer;

use 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));
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTczODIxMjA4NDY3NDYxNSA2MjgyODY0NjgxMzkwMjI2IDUyMDc3MjEzOTM3NDk0