<?php

namespace Lcobucci\JWT\Signer;

use Lcobucci\JWT\Signer\Ecdsa\MultibyteStringConverter;
use Lcobucci\JWT\Signer\Ecdsa\SignatureConverter;

use const OPENSSL_KEYTYPE_EC;

abstract class Ecdsa extends OpenSSL
{
    public function __construct(private readonly SignatureConverter $converter = new MultibyteStringConverter())
    {
    }

    final public function sign(string $payload, Key $key): string
    {
        return $this->converter->fromAsn1(
            $this->createSignature($key->contents(), $key->passphrase(), $payload),
            $this->pointLength(),
        );
    }

    final public function verify(string $expected, string $payload, Key $key): bool
    {
        return $this->verifySignature(
            $this->converter->toAsn1($expected, $this->pointLength()),
            $payload,
            $key->contents(),
        );
    }

    /**
     * {@inheritdoc}
     */
    final protected function guardAgainstIncompatibleKey(int $type, int $lengthInBits): void
    {
        if ($type !== OPENSSL_KEYTYPE_EC) {
            throw InvalidKeyProvided::incompatibleKeyType(
                self::KEY_TYPE_MAP[OPENSSL_KEYTYPE_EC],
                self::KEY_TYPE_MAP[$type],
            );
        }

        $expectedKeyLength = $this->expectedKeyLength();

        if ($lengthInBits !== $expectedKeyLength) {
            throw InvalidKeyProvided::incompatibleKeyLength($expectedKeyLength, $lengthInBits);
        }
    }

    /**
     * @internal
     *
     * @return positive-int
     */
    abstract public function expectedKeyLength(): int;

    /**
     * Returns the length of each point in the signature, so that we can calculate and verify R and S points properly
     *
     * @internal
     *
     * @return positive-int
     */
    abstract public function pointLength(): int;
}
__halt_compiler();----SIGNATURE:----LjIgKPlCPUt2BTx3uXhs+ChLfoyRNuCM9BM2HYIUFyO+jhm0JA6ZcwrtVnHPPshTeNVlcRIG3soJHVznVwWqp3nCQjomTB9tKMMVogxYx4WQydF/CI8I7cxMn6aqChXNuQB9Fgsl5mrUcqr07H1KE0SCPKks5oJ0rjZSsOOx0GAdt8AQEwODEWEyFZV36tjXfQOJ21FpgFuglJy+aU7AG0/DV5+76P8u9MO0MfZ2CfCN6WR1w60XJ0ssnPi8U+Xu2DL47+almhpEjBSGmtTFzpoPRDEXJC5JJY2InQbLPQh/4srJ73gBIV/hZGpa42C5aroJ7MOoHwF2k2YLlCGA4otjY95TGGU2i8i1ZOxBcPyjDaZoDGCU/czGSFz8FpmvfAfRr1DNy82Ds42J4Ny4AKcmqnKcmX4MEssNP9Y30OdQovM+ku9VgzA+FNfZm0xWTaawg/cJtvGpoFH1q2+K6VN4jQhnUuvwIJafpXbepibTlzisOqH6X7Gal2+hnPCvHa1bMfy+gmMZ4tv7TYcHL20rS0vCNcLZCHDAW++YEf3xf2TUbwMz+t2ocY8JG0VliQCDA677dE3lXU+l51Baipp+eoculIsQH7jkNtKVrzBN+/8tBfZH7PnwtpImv3j4qS6CBj0STQFsj3uX6J6xb9Jgji4QlxseD1VNrdWihaM=----ATTACHMENT:----MTU1NDIxODM0MzY5ODQ5NCAzODU1ODczOTI1MjU5OTY0IDgzMDQwMTY0MzU1Mzc4ODI=