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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\Test\XML\xenc; |
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use PHPUnit\Framework\Attributes\CoversClass; |
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use PHPUnit\Framework\TestCase; |
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use SimpleSAML\XML\DOMDocumentFactory; |
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use SimpleSAML\XML\TestUtils\SchemaValidationTestTrait; |
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use SimpleSAML\XML\TestUtils\SerializableElementTestTrait; |
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use SimpleSAML\XMLSecurity\Alg\KeyTransport\KeyTransportAlgorithmFactory; |
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use SimpleSAML\XMLSecurity\Constants as C; |
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use SimpleSAML\XMLSecurity\Key\PrivateKey; |
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use SimpleSAML\XMLSecurity\Key\PublicKey; |
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use SimpleSAML\XMLSecurity\Key\SymmetricKey; |
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use SimpleSAML\XMLSecurity\TestUtils\PEMCertificatesMock; |
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use SimpleSAML\XMLSecurity\Utils\XPath; |
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use SimpleSAML\XMLSecurity\XML\ds\KeyInfo; |
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use SimpleSAML\XMLSecurity\XML\xenc\AbstractEncryptedType; |
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use SimpleSAML\XMLSecurity\XML\xenc\AbstractXencElement; |
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use SimpleSAML\XMLSecurity\XML\xenc\CarriedKeyName; |
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use SimpleSAML\XMLSecurity\XML\xenc\CipherData; |
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use SimpleSAML\XMLSecurity\XML\xenc\CipherValue; |
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use SimpleSAML\XMLSecurity\XML\xenc\DataReference; |
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use SimpleSAML\XMLSecurity\XML\xenc\EncryptedKey; |
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use SimpleSAML\XMLSecurity\XML\xenc\EncryptionMethod; |
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use SimpleSAML\XMLSecurity\XML\xenc\ReferenceList; |
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use function bin2hex; |
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use function dirname; |
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use function strval; |
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/** |
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* Class \SimpleSAML\XMLSecurity\Test\XML\xenc\EncryptedKeyTest |
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* |
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* @covers \SimpleSAML\XMLSecurity\XML\xenc\AbstractXencElement |
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* @covers \SimpleSAML\XMLSecurity\XML\xenc\AbstractEncryptedType |
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* @covers \SimpleSAML\XMLSecurity\XML\xenc\EncryptedKey |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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#[CoversClass(AbstractXencElement::class)] |
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#[CoversClass(AbstractEncryptedType::class)] |
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#[CoversClass(EncryptedKey::class)] |
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final class EncryptedKeyTest extends TestCase |
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{ |
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use SchemaValidationTestTrait; |
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use SerializableElementTestTrait; |
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/** @var \SimpleSAML\XMLSecurity\Key\PrivateKey */ |
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protected static PrivateKey $privKey; |
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/** @var \SimpleSAML\XMLSecurity\Key\PublicKey */ |
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protected static PublicKey $pubKey; |
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/** |
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*/ |
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public static function setUpBeforeClass(): void |
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{ |
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self::$testedClass = EncryptedKey::class; |
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self::$xmlRepresentation = DOMDocumentFactory::fromFile( |
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dirname(__FILE__, 3) . '/resources/xml/xenc_EncryptedKey.xml', |
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); |
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self::$privKey = PEMCertificatesMock::getPrivateKey(PEMCertificatesMock::PRIVATE_KEY); |
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self::$pubKey = PEMCertificatesMock::getPublicKey(PEMCertificatesMock::PUBLIC_KEY); |
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} |
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// marshalling |
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/** |
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*/ |
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public function testMarshalling(): void |
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{ |
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$encryptedKey = new EncryptedKey( |
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new CipherData(new CipherValue('3W3C4UoWshi02yrqsLC2z8Qr1FjdTz7LV9CvpunilOX4teGKsjKqNbS92DKcXLwS8s' |
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. '4eHBdHejiL1bySDQT5diN/TVo8zz0AmPwX3/eHPQE91NWzceB+yaoEDauMPvi7twUdoipbLZa7cyT4QR+RO9w5P5wf4wDoTPUoQ' |
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. 'V6dF9YSJqehuRFCqVJprIDZNfrKnm7WfwMiaMLvaLVdLWgXjuVdiH0lT/F4KJrhJwAnjp57KGn9mhAcwkFe+qDIMSi8Ond6I0FO' |
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. 'V3SOx8NxpSTHYfZ4qE1Xn/dvUUXqgRnEFPHAw4JFmJPjgTSCPU6BdwBLzqVjh1pCLoCn66P/Zt7I9Q==')), |
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'Encrypted_KEY_ID', |
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'http://www.w3.org/2001/04/xmlenc#Element', |
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'text/plain', |
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'urn:x-simplesamlphp:encoding', |
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'some_ENTITY_ID', |
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new CarriedKeyName('Name of the key'), |
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new EncryptionMethod('http://www.w3.org/2001/04/xmlenc#rsa-1_5'), |
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new KeyInfo( |
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[ |
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new EncryptedKey( |
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new CipherData(new CipherValue('/CTj03d1DB5e2t7CTo9BEzCf5S9NRzwnBgZRlm32REI=')), |
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null, |
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null, |
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null, |
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null, |
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null, |
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null, |
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new EncryptionMethod('http://www.w3.org/2001/04/xmldsig-more#rsa-sha256'), |
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), |
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], |
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), |
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new ReferenceList([new DataReference('#Encrypted_DATA_ID')]), |
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); |
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$this->assertEquals( |
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self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement), |
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strval($encryptedKey), |
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); |
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} |
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/** |
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*/ |
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public function testMarshallingElementOrdering(): void |
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{ |
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$encryptedKey = new EncryptedKey( |
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new CipherData(new CipherValue('3W3C4UoWshi02yrqsLC2z8Qr1FjdTz7LV9CvpunilOX4teGKsjKqNbS92DKcXLwS8s' |
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. '4eHBdHejiL1bySDQT5diN/TVo8zz0AmPwX3/eHPQE91NWzceB+yaoEDauMPvi7twUdoipbLZa7cyT4QR+RO9w5P5wf4wDoTPUoQ' |
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. 'V6dF9YSJqehuRFCqVJprIDZNfrKnm7WfwMiaMLvaLVdLWgXjuVdiH0lT/F4KJrhJwAnjp57KGn9mhAcwkFe+qDIMSi8Ond6I0FO' |
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. 'V3SOx8NxpSTHYfZ4qE1Xn/dvUUXqgRnEFPHAw4JFmJPjgTSCPU6BdwBLzqVjh1pCLoCn66P/Zt7I9Q==')), |
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'Encrypted_KEY_ID', |
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'http://www.w3.org/2001/04/xmlenc#Element', |
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'text/plain', |
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'urn:x-simplesamlphp:encoding', |
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'some_ENTITY_ID', |
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new CarriedKeyName('Name of the key'), |
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new EncryptionMethod('http://www.w3.org/2001/04/xmlenc#rsa-1_5'), |
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new KeyInfo( |
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[ |
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new EncryptedKey( |
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new CipherData(new CipherValue('/CTj03d1DB5e2t7CTo9BEzCf5S9NRzwnBgZRlm32REI=')), |
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null, |
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null, |
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null, |
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null, |
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null, |
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null, |
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new EncryptionMethod('http://www.w3.org/2001/04/xmldsig-more#rsa-sha256'), |
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), |
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], |
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), |
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new ReferenceList([new DataReference('#Encrypted_DATA_ID')]), |
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); |
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// Marshall it to a \DOMElement |
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$encryptedKeyElement = $encryptedKey->toXML(); |
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$xpCache = XPath::getXPath($encryptedKeyElement); |
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// Test for a ReferenceList |
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$encryptedKeyElements = XPath::xpQuery( |
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$encryptedKeyElement, |
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'./xenc:ReferenceList', |
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$xpCache, |
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); |
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$this->assertCount(1, $encryptedKeyElements); |
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// Test ordering of EncryptedKey contents |
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/** @var \DOMElement[] $encryptedKeyElements */ |
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$encryptedKeyElements = XPath::xpQuery( |
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$encryptedKeyElement, |
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'./xenc:ReferenceList/following-sibling::*', |
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$xpCache, |
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); |
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$this->assertCount(1, $encryptedKeyElements); |
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$this->assertEquals('xenc:CarriedKeyName', $encryptedKeyElements[0]->tagName); |
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} |
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/** |
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* Test encryption and decryption with PKCS1 RSA 1.5. |
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*/ |
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public function testPKCS1Encryption(): void |
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{ |
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$factory = new KeyTransportAlgorithmFactory([]); |
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/** @var \SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmInterface $encryptor */ |
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$encryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_RSA_1_5, self::$pubKey); |
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$symmetricKey = SymmetricKey::generate(8); |
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$encryptedKey = EncryptedKey::fromKey( |
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$symmetricKey, |
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$encryptor, |
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new EncryptionMethod(C::KEY_TRANSPORT_RSA_1_5), |
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); |
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$decryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_RSA_1_5, self::$privKey); |
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$decryptedKey = $encryptedKey->decrypt($decryptor); |
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$this->assertEquals(bin2hex($symmetricKey->getMaterial()), bin2hex($decryptedKey)); |
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} |
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/** |
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* Test encryption and decryption with RSA OAEP |
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*/ |
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public function testOAEPEncryption(): void |
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{ |
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$factory = new KeyTransportAlgorithmFactory([]); |
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$encryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP, self::$pubKey); |
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$symmetricKey = SymmetricKey::generate(16); |
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$encryptedKey = EncryptedKey::fromKey( |
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$symmetricKey, |
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$encryptor, |
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new EncryptionMethod(C::KEY_TRANSPORT_OAEP), |
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); |
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$decryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP, self::$privKey); |
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$decryptedKey = $encryptedKey->decrypt($decryptor); |
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$this->assertEquals(bin2hex($symmetricKey->getMaterial()), bin2hex($decryptedKey)); |
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} |
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/** |
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* Test encryption and decryption with RSA OAEP-MGF1P |
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*/ |
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public function testOAEMGF1PPEncryption(): void |
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{ |
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$factory = new KeyTransportAlgorithmFactory([]); |
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$encryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, self::$pubKey); |
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$symmetricKey = SymmetricKey::generate(16); |
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$encryptedKey = EncryptedKey::fromKey( |
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$symmetricKey, |
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$encryptor, |
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new EncryptionMethod(C::KEY_TRANSPORT_OAEP_MGF1P), |
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); |
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$decryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, self::$privKey); |
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$decryptedKey = $encryptedKey->decrypt($decryptor); |
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$this->assertEquals(bin2hex($symmetricKey->getMaterial()), bin2hex($decryptedKey)); |
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} |
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} |
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