public function test__signed_serialize_deserialize() { $certificate = new X509Certificate(); $certificate->loadFromFile(__DIR__ . '/../../../../../../web/sp/saml.crt'); $privateKey = KeyHelper::createPrivateKey(__DIR__ . '/../../../../../../web/sp/saml.key', null, true); $authnRequest = new AuthnRequest(); $authnRequest->setID('_894da3368874d2dd637983b6812f66c444f100f205'); $authnRequest->setIssueInstant('2015-09-13T11:47:33Z'); $authnRequest->setDestination('https://idp.testshib.org/idp/profile/SAML2/POST/SSO'); $authnRequest->setIssuer((new Issuer())->setValue('https://mt.evo.loc/sp')->setFormat('urn:oasis:names:tc:SAML:2.0:nameid-format:entity')); $authnRequest->setSignature(new SignatureWriter($certificate, $privateKey)); $serializationContext = new SerializationContext(); $authnRequest->serialize($serializationContext->getDocument(), $serializationContext); $temporaryFilename = tempnam(sys_get_temp_dir(), 'lightsaml-'); $serializationContext->getDocument()->save($temporaryFilename); $xml = file_get_contents($temporaryFilename); $deserializationContext = new DeserializationContext(); $deserializationContext->getDocument()->loadXML($xml); $authnRequest = new AuthnRequest(); $authnRequest->deserialize($deserializationContext->getDocument()->firstChild, $deserializationContext); $signatureReader = $authnRequest->getSignature(); if ($signatureReader instanceof SignatureXmlReader) { $certificate = new X509Certificate(); $certificate->loadFromFile(__DIR__ . '/../../../../../../web/sp/saml.crt'); $key = KeyHelper::createPublicKey($certificate); $ok = $signatureReader->validate($key); $this->assertTrue($ok); } else { throw new \LogicException('Expected Signature Xml Reader'); } }