Viewing file:  Ecdsa.php (1.32 KB) -rw-r--r--
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<?php
declare(strict_types=1);
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
{
private SignatureConverter $converter;
public function __construct(SignatureConverter $converter)
{
$this->converter = $converter;
}
public static function create(): Ecdsa
{
return new static(new MultibyteStringConverter()); // @phpstan-ignore-line
}
final public function sign(string $payload, Key $key): string
{
return $this->converter->fromAsn1(
$this->createSignature($key->contents(), $key->passphrase(), $payload),
$this->keyLength()
);
}
final public function verify(string $expected, string $payload, Key $key): bool
{
return $this->verifySignature(
$this->converter->toAsn1($expected, $this->keyLength()),
$payload,
$key->contents()
);
}
final public function keyType(): int
{
return OPENSSL_KEYTYPE_EC;
}
/**
* Returns the length of each point in the signature, so that we can calculate and verify R and S points properly
*
* @internal
*/
abstract public function keyLength(): int;
}
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