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<?php
/**
* @author Lukáš Unger <[email protected]>
* @copyright Copyright (c) Lukáš Unger
* @license http://mit-license.org/
*
* @link https://github.com/thephpleague/oauth2-server
*/
namespace League\OAuth2\Server\CodeChallengeVerifiers;
class S256Verifier implements CodeChallengeVerifierInterface
{
* Return code challenge method.
* @return string
public function getMethod()
return 'S256';
}
* Verify the code challenge.
* @param string $codeVerifier
* @param string $codeChallenge
* @return bool
public function verifyCodeChallenge($codeVerifier, $codeChallenge)
return hash_equals(
strtr(rtrim(base64_encode(hash('sha256', $codeVerifier, true)), '='), '+/', '-_'),
$codeChallenge
);
thephpleague /
oauth2-server
