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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2016 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace Jose\Test\RFC7520; |
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use Base64Url\Base64Url; |
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use Jose\Factory\DecrypterFactory; |
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use Jose\Factory\EncrypterFactory; |
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use Jose\Factory\JWEFactory; |
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use Jose\Loader; |
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use Jose\Object\JWK; |
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/** |
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* @see https://tools.ietf.org/html/rfc7520#section-5.10 |
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* |
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* @group RFC7520 |
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*/ |
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class A128KWAndA128GCMEncryptionWithAdditionalAuthenticatedDataTest extends \PHPUnit_Framework_TestCase |
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{ |
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/** |
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* Please note that we cannot the encryption and get the same result as the example (IV, TAG and other data are always different). |
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* The output given in the RFC is used and only decrypted. |
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*/ |
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public function testA128KWAndA128GCMEncryptionWithAdditionalAuthenticatedData() |
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{ |
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$expected_payload = "You can trust us to stick with you through thick and thin\xe2\x80\x93to the bitter end. And you can trust us to keep any secret of yours\xe2\x80\x93closer than you keep it yourself. But you cannot trust us to let you face trouble alone, and go off without a word. We are your friends, Frodo."; |
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$private_key = new JWK([ |
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'kty' => 'oct', |
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'kid' => '81b20965-8332-43d9-a468-82160ad91ac8', |
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'use' => 'enc', |
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'alg' => 'A128KW', |
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'k' => 'GZy6sIZ6wl9NJOKB-jnmVQ', |
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]); |
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$protected_headers = [ |
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'alg' => 'A128KW', |
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'kid' => '81b20965-8332-43d9-a468-82160ad91ac8', |
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'enc' => 'A128GCM', |
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]; |
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$expected_flattened_json = '{"protected":"eyJhbGciOiJBMTI4S1ciLCJraWQiOiI4MWIyMDk2NS04MzMyLTQzZDktYTQ2OC04MjE2MGFkOTFhYzgiLCJlbmMiOiJBMTI4R0NNIn0","encrypted_key":"4YiiQ_ZzH76TaIkJmYfRFgOV9MIpnx4X","aad":"WyJ2Y2FyZCIsW1sidmVyc2lvbiIse30sInRleHQiLCI0LjAiXSxbImZuIix7fSwidGV4dCIsIk1lcmlhZG9jIEJyYW5keWJ1Y2siXSxbIm4iLHt9LCJ0ZXh0IixbIkJyYW5keWJ1Y2siLCJNZXJpYWRvYyIsIk1yLiIsIiJdXSxbImJkYXkiLHt9LCJ0ZXh0IiwiVEEgMjk4MiJdLFsiZ2VuZGVyIix7fSwidGV4dCIsIk0iXV1d","iv":"veCx9ece2orS7c_N","ciphertext":"Z_3cbr0k3bVM6N3oSNmHz7Lyf3iPppGf3Pj17wNZqteJ0Ui8p74SchQP8xygM1oFRWCNzeIa6s6BcEtp8qEFiqTUEyiNkOWDNoF14T_4NFqF-p2Mx8zkbKxI7oPK8KNarFbyxIDvICNqBLba-v3uzXBdB89fzOI-Lv4PjOFAQGHrgv1rjXAmKbgkft9cB4WeyZw8MldbBhc-V_KWZslrsLNygon_JJWd_ek6LQn5NRehvApqf9ZrxB4aq3FXBxOxCys35PhCdaggy2kfUfl2OkwKnWUbgXVD1C6HxLIlqHhCwXDG59weHrRDQeHyMRoBljoV3X_bUTJDnKBFOod7nLz-cj48JMx3SnCZTpbQAkFV","tag":"vOaH_Rajnpy_3hOtqvZHRA"}'; |
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$expected_json = '{"recipients":[{"encrypted_key":"4YiiQ_ZzH76TaIkJmYfRFgOV9MIpnx4X"}],"protected":"eyJhbGciOiJBMTI4S1ciLCJraWQiOiI4MWIyMDk2NS04MzMyLTQzZDktYTQ2OC04MjE2MGFkOTFhYzgiLCJlbmMiOiJBMTI4R0NNIn0","iv":"veCx9ece2orS7c_N","aad":"WyJ2Y2FyZCIsW1sidmVyc2lvbiIse30sInRleHQiLCI0LjAiXSxbImZuIix7fSwidGV4dCIsIk1lcmlhZG9jIEJyYW5keWJ1Y2siXSxbIm4iLHt9LCJ0ZXh0IixbIkJyYW5keWJ1Y2siLCJNZXJpYWRvYyIsIk1yLiIsIiJdXSxbImJkYXkiLHt9LCJ0ZXh0IiwiVEEgMjk4MiJdLFsiZ2VuZGVyIix7fSwidGV4dCIsIk0iXV1d","ciphertext":"Z_3cbr0k3bVM6N3oSNmHz7Lyf3iPppGf3Pj17wNZqteJ0Ui8p74SchQP8xygM1oFRWCNzeIa6s6BcEtp8qEFiqTUEyiNkOWDNoF14T_4NFqF-p2Mx8zkbKxI7oPK8KNarFbyxIDvICNqBLba-v3uzXBdB89fzOI-Lv4PjOFAQGHrgv1rjXAmKbgkft9cB4WeyZw8MldbBhc-V_KWZslrsLNygon_JJWd_ek6LQn5NRehvApqf9ZrxB4aq3FXBxOxCys35PhCdaggy2kfUfl2OkwKnWUbgXVD1C6HxLIlqHhCwXDG59weHrRDQeHyMRoBljoV3X_bUTJDnKBFOod7nLz-cj48JMx3SnCZTpbQAkFV","tag":"vOaH_Rajnpy_3hOtqvZHRA"}'; |
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$expected_cek = '75m1ALsYv10pZTKPWrsqdg'; |
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$expected_iv = 'veCx9ece2orS7c_N'; |
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$expected_aad = 'WyJ2Y2FyZCIsW1sidmVyc2lvbiIse30sInRleHQiLCI0LjAiXSxbImZuIix7fSwidGV4dCIsIk1lcmlhZG9jIEJyYW5keWJ1Y2siXSxbIm4iLHt9LCJ0ZXh0IixbIkJyYW5keWJ1Y2siLCJNZXJpYWRvYyIsIk1yLiIsIiJdXSxbImJkYXkiLHt9LCJ0ZXh0IiwiVEEgMjk4MiJdLFsiZ2VuZGVyIix7fSwidGV4dCIsIk0iXV1d'; |
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$expected_encrypted_key = '4YiiQ_ZzH76TaIkJmYfRFgOV9MIpnx4X'; |
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$expected_ciphertext = 'Z_3cbr0k3bVM6N3oSNmHz7Lyf3iPppGf3Pj17wNZqteJ0Ui8p74SchQP8xygM1oFRWCNzeIa6s6BcEtp8qEFiqTUEyiNkOWDNoF14T_4NFqF-p2Mx8zkbKxI7oPK8KNarFbyxIDvICNqBLba-v3uzXBdB89fzOI-Lv4PjOFAQGHrgv1rjXAmKbgkft9cB4WeyZw8MldbBhc-V_KWZslrsLNygon_JJWd_ek6LQn5NRehvApqf9ZrxB4aq3FXBxOxCys35PhCdaggy2kfUfl2OkwKnWUbgXVD1C6HxLIlqHhCwXDG59weHrRDQeHyMRoBljoV3X_bUTJDnKBFOod7nLz-cj48JMx3SnCZTpbQAkFV'; |
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$expected_tag = 'vOaH_Rajnpy_3hOtqvZHRA'; |
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$decrypter = DecrypterFactory::createDecrypter(['A128KW', 'A128GCM']); |
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$loaded_flattened_json = Loader::load($expected_flattened_json); |
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$decrypter->decryptUsingKey($loaded_flattened_json, $private_key); |
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$loaded_json = Loader::load($expected_json); |
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$decrypter->decryptUsingKey($loaded_json, $private_key); |
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$this->assertEquals($expected_ciphertext, Base64Url::encode($loaded_flattened_json->getCiphertext())); |
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$this->assertEquals($protected_headers, $loaded_flattened_json->getSharedProtectedHeaders()); |
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$this->assertEquals($expected_iv, Base64Url::encode($loaded_flattened_json->getIV())); |
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$this->assertEquals($expected_encrypted_key, Base64Url::encode($loaded_flattened_json->getRecipient(0)->getEncryptedKey())); |
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$this->assertEquals($expected_tag, Base64Url::encode($loaded_flattened_json->getTag())); |
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$this->assertEquals($expected_aad, $loaded_flattened_json->getAAD()); |
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$this->assertEquals($expected_ciphertext, Base64Url::encode($loaded_json->getCiphertext())); |
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$this->assertEquals($protected_headers, $loaded_json->getSharedProtectedHeaders()); |
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$this->assertEquals($expected_iv, Base64Url::encode($loaded_json->getIV())); |
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$this->assertEquals($expected_encrypted_key, Base64Url::encode($loaded_json->getRecipient(0)->getEncryptedKey())); |
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$this->assertEquals($expected_tag, Base64Url::encode($loaded_json->getTag())); |
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$this->assertEquals($expected_aad, $loaded_json->getAAD()); |
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$this->assertEquals($expected_payload, $loaded_flattened_json->getPayload()); |
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$this->assertEquals($expected_payload, $loaded_json->getPayload()); |
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} |
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/** |
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* Same input as before, but we perform the encryption first. |
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*/ |
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public function testA128KWAndA128GCMEncryptionWithAdditionalAuthenticatedDataBis() |
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{ |
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$expected_payload = "You can trust us to stick with you through thick and thin\xe2\x80\x93to the bitter end. And you can trust us to keep any secret of yours\xe2\x80\x93closer than you keep it yourself. But you cannot trust us to let you face trouble alone, and go off without a word. We are your friends, Frodo."; |
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$private_key = new JWK([ |
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'kty' => 'oct', |
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'kid' => '81b20965-8332-43d9-a468-82160ad91ac8', |
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'use' => 'enc', |
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'alg' => 'A128KW', |
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'k' => 'GZy6sIZ6wl9NJOKB-jnmVQ', |
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]); |
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$protected_headers = [ |
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'alg' => 'A128KW', |
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'kid' => '81b20965-8332-43d9-a468-82160ad91ac8', |
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'enc' => 'A128GCM', |
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]; |
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$jwe = JWEFactory::createJWE($expected_payload, $protected_headers); |
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$encrypter = EncrypterFactory::createEncrypter(['A128KW', 'A128GCM']); |
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$jwe = $jwe->addRecipient( |
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$private_key |
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); |
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$encrypter->encrypt($jwe); |
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$decrypter = DecrypterFactory::createDecrypter(['A128KW', 'A128GCM']); |
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$loaded_flattened_json = Loader::load($jwe->toFlattenedJSON(0)); |
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$decrypter->decryptUsingKey($loaded_flattened_json, $private_key); |
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$loaded_json = Loader::load($jwe->toJSON()); |
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$decrypter->decryptUsingKey($loaded_json, $private_key); |
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$this->assertEquals($protected_headers, $loaded_flattened_json->getSharedProtectedHeaders()); |
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$this->assertEquals($protected_headers, $loaded_json->getSharedProtectedHeaders()); |
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$this->assertEquals($expected_payload, $loaded_flattened_json->getPayload()); |
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$this->assertEquals($expected_payload, $loaded_json->getPayload()); |
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} |
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} |
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Spomky-Labs /
jose
