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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\Test\XML; |
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use DOMElement; |
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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\XMLSecurity\Alg\Encryption\EncryptionAlgorithmFactory; |
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use SimpleSAML\XMLSecurity\Alg\KeyTransport\KeyTransportAlgorithmFactory; |
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use SimpleSAML\XMLSecurity\Alg\Signature\SignatureAlgorithmFactory; |
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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\Test\XML\EncryptedCustom; |
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use SimpleSAML\XMLSecurity\TestUtils\PEMCertificatesMock; |
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use SimpleSAML\XMLSecurity\XML\EncryptableElementTrait; |
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use SimpleSAML\XMLSecurity\XML\EncryptedElementTrait; |
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use function dirname; |
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/** |
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* Class \SimpleSAML\XMLSecurity\Test\XML\EncryptedCustomTest |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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#[CoversClass(EncryptableElementTrait::class)] |
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#[CoversClass(EncryptedElementTrait::class)] |
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#[CoversClass(EncryptedCustom::class)] |
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class EncryptedCustomTest extends TestCase |
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{ |
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/** @var \DOMElement */ |
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private DOMElement $signableDocument; |
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/** @var PrivateKey */ |
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protected PrivateKey $privKey; |
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/** @var PublicKey */ |
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protected PublicKey $pubKey; |
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/** |
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*/ |
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public function setUp(): void |
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{ |
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$this->signableDocument = DOMDocumentFactory::fromFile( |
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dirname(__FILE__, 2) . '/resources/xml/custom_CustomSignable.xml', |
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)->documentElement; |
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$this->privKey = PEMCertificatesMock::getPrivateKey(PEMCertificatesMock::PRIVATE_KEY); |
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$this->pubKey = PEMCertificatesMock::getPublicKey(PEMCertificatesMock::PUBLIC_KEY); |
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} |
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/** |
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* Test encrypting an object and then decrypting it. |
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*/ |
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public function testEncryptAndDecryptSharedSecret(): void |
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{ |
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// instantiate |
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$customSigned = CustomSignable::fromXML($this->signableDocument); |
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$sharedKey = SymmetricKey::generate(16); |
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// encrypt |
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$factory = new EncryptionAlgorithmFactory(); |
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$encryptor = $factory->getAlgorithm(C::BLOCK_ENC_AES128, $sharedKey); |
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$encryptedCustom = new EncryptedCustom($customSigned->encrypt($encryptor)); |
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// decrypt |
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$decryptedCustom = $encryptedCustom->decrypt($encryptor); |
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$this->assertEquals($customSigned, $decryptedCustom); |
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} |
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/** |
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* Test encrypting an object with a session key and asymmetric encryption, then decrypting it. |
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*/ |
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public function testEncryptAndDecryptSessionKey(): void |
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{ |
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// instantiate |
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$customSigned = CustomSignable::fromXML($this->signableDocument); |
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// encrypt |
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$factory = new KeyTransportAlgorithmFactory(); |
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$encryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, $this->pubKey); |
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$encryptedCustom = new EncryptedCustom($customSigned->encrypt($encryptor)); |
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// decrypt |
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$decryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, $this->privKey); |
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$decryptedCustom = $encryptedCustom->decrypt($decryptor); |
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$this->assertEquals($customSigned, $decryptedCustom); |
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} |
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/** |
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* Test that a signature isn't mangled after encrypting/decrypting a signed object. |
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*/ |
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public function testSignatureVerifiesAfterEncryptionAndDecryption(): void |
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{ |
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// instantiate |
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$customSigned = CustomSignable::fromXML($this->signableDocument); |
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// sign |
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$privateKey = PEMCertificatesMock::getPrivateKey(PEMCertificatesMock::SELFSIGNED_PRIVATE_KEY); |
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$signer = (new SignatureAlgorithmFactory())->getAlgorithm( |
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C::SIG_RSA_SHA256, |
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$privateKey, |
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); |
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$customSigned->sign($signer); |
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$customSigned = CustomSignable::fromXML($customSigned->toXML()); |
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// encrypt |
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$factory = new KeyTransportAlgorithmFactory(); |
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$encryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, $this->pubKey); |
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$encryptedCustom = new EncryptedCustom($customSigned->encrypt($encryptor)); |
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// decrypt |
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$decryptor = $factory->getAlgorithm(C::KEY_TRANSPORT_OAEP_MGF1P, $this->privKey); |
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$decryptedCustom = $encryptedCustom->decrypt($decryptor); |
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// verify signature |
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$publicKey = PEMCertificatesMock::getPublicKey(PEMCertificatesMock::SELFSIGNED_PUBLIC_KEY); |
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$verifier = (new SignatureAlgorithmFactory())->getAlgorithm( |
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$decryptedCustom->getSignature()->getSignedInfo()->getSignatureMethod()->getAlgorithm(), |
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$publicKey, |
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); |
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$verified = $decryptedCustom->verify($verifier); |
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$this->assertInstanceOf(CustomSignable::class, $verified); |
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} |
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} |
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simplesamlphp /
xml-security
