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<?php
declare(strict_types=1);
namespace Lcobucci\JWT\Tests\Signer\Ecdsa;
use Lcobucci\JWT\Signer\Ecdsa\ConversionFailed;
use Lcobucci\JWT\Signer\Ecdsa\MultibyteStringConverter;
use PHPUnit\Framework\Attributes as PHPUnit;
use PHPUnit\Framework\TestCase;
use function bin2hex;
use function hex2bin;
use function strlen;
/** @coversDefaultClass \Lcobucci\JWT\Signer\Ecdsa\MultibyteStringConverter */
#[PHPUnit\CoversClass(MultibyteStringConverter::class)]
#[PHPUnit\CoversClass(ConversionFailed::class)]
final class MultibyteStringConverterTest extends TestCase
{
/**
* @param non-empty-string $r
* @param non-empty-string $s
* @param non-empty-string $asn1
*/
#[PHPUnit\Test]
#[PHPUnit\DataProvider('pointsConversionData')]
public function toAsn1ShouldReturnThePointsInAnAsn1SequenceFormat(
string $r,
string $s,
string $asn1,
): void {
$converter = new MultibyteStringConverter();
$message = hex2bin($r . $s);
self::assertIsString($message);
self::assertNotSame('', $message);
self::assertSame($asn1, bin2hex($converter->toAsn1($message, strlen($r))));
}
#[PHPUnit\Test]
public function toAsn1ShouldRaiseExceptionWhenPointsDoNotHaveCorrectLength(): void
{
$converter = new MultibyteStringConverter();
$this->expectException(ConversionFailed::class);
$this->expectExceptionMessage('Invalid signature length');
$converter->toAsn1('a very wrong string', 64);
}
#[PHPUnit\Test]
#[PHPUnit\DataProvider('pointsConversionData')]
public function fromAsn1ShouldReturnTheConcatenatedPoints(string $r, string $s, string $asn1): void
{
$converter = new MultibyteStringConverter();
$message = hex2bin($asn1);
self::assertIsString($message);
self::assertNotSame('', $message);
self::assertSame($r . $s, bin2hex($converter->fromAsn1($message, strlen($r))));
}
/** @return string[][] */
public static function pointsConversionData(): iterable
{
yield [
'efd48b2aacb6a8fd1140dd9cd45e81d69d2c877b56aaf991c34d0ea84eaf3716',
'f7cb1c942d657c41d436c7a1b6e29f65f3e900dbb9aff4064dc4ab2f843acda8',
'3046022100efd48b2aacb6a8fd1140dd9cd45e81d69d2c877b56aaf991c34d0ea84eaf3716022100f7cb1c942d657c41d436c7'
. 'a1b6e29f65f3e900dbb9aff4064dc4ab2f843acda8',
];
yield [
'94edbb92a5ecb8aad4736e56c691916b3f88140666ce9fa73d64c4ea95ad133c81a648152e44acf96e36dd1e80fabe46',
'99ef4aeb15f178cea1fe40db2603138f130e740a19624526203b6351d0a3a94fa329c145786e679e7b82c71a38628ac8',
'306602310094edbb92a5ecb8aad4736e56c691916b3f88140666ce9fa73d64c4ea95ad133c81a648152e44acf96e36dd1e80fa'
. 'be4602310099ef4aeb15f178cea1fe40db2603138f130e740a19624526203b6351d0a3a94fa329c145786e679e7b82c71a38'
. '628ac8',
];
yield [
'00c328fafcbd79dd77850370c46325d987cb525569fb63c5d3bc53950e6d4c5f174e25a1ee9017b5d450606add152b534931d7'
. 'd4e8455cc91f9b15bf05ec36e377fa',
'00617cce7cf5064806c467f678d3b4080d6f1cc50af26ca209417308281b68af282623eaa63e5b5c0723d8b8c37ff0777b1a20'
. 'f8ccb1dccc43997f1ee0e44da4a67a',
'308187024200c328fafcbd79dd77850370c46325d987cb525569fb63c5d3bc53950e6d4c5f174e25a1ee9017b5d450606add15'
. '2b534931d7d4e8455cc91f9b15bf05ec36e377fa0241617cce7cf5064806c467f678d3b4080d6f1cc50af26ca20941730828'
. '1b68af282623eaa63e5b5c0723d8b8c37ff0777b1a20f8ccb1dccc43997f1ee0e44da4a67a',
];
}
#[PHPUnit\Test]
#[PHPUnit\DataProvider('invalidAsn1Structures')]
public function fromAsn1ShouldRaiseExceptionOnInvalidMessage(string $message, string $expectedMessage): void
{
$converter = new MultibyteStringConverter();
$message = hex2bin($message);
self::assertIsString($message);
$this->expectException(ConversionFailed::class);
$this->expectExceptionMessage($expectedMessage);
$converter->fromAsn1($message, 64);
}
/** @return string[][] */
public static function invalidAsn1Structures(): iterable
{
yield 'Not a sequence' => ['', 'Should start with a sequence'];
yield 'Sequence without length' => ['30', 'Should contain an integer'];
yield 'Only one string element' => ['3006030204f0', 'Should contain an integer'];
yield 'Only one integer element' => ['3004020101', 'Should contain an integer'];
yield 'Integer+string elements' => ['300a020101030204f0', 'Should contain an integer'];
}
}
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