/** * {@inheritdoc} */ public function getCEK(JWKInterface $key, array $header) { if ('dir' !== $key->getKeyType()) { throw new \InvalidArgumentException('The key is not valid'); } return Base64Url::decode($key->getValue('dir')); }
/** * @param \Jose\Object\JWSInterface $jws * @param array $data */ private static function populatePayload(JWSInterface &$jws, array $data) { $is_encoded = null; foreach ($jws->getSignatures() as $signature) { if (null === $is_encoded) { $is_encoded = self::isPayloadEncoded($signature); } Assertion::eq($is_encoded, self::isPayloadEncoded($signature), 'Foreign payload encoding detected. The JWS cannot be loaded.'); } if (array_key_exists('payload', $data)) { $payload = $data['payload']; $jws = $jws->withAttachedPayload(); $jws = $jws->withEncodedPayload($payload); if (false !== $is_encoded) { $payload = Base64Url::decode($payload); } $json = json_decode($payload, true); if (null !== $json && !empty($payload)) { $payload = $json; } $jws = $jws->withPayload($payload); } else { $jws = $jws->withDetachedPayload(); } }
/** * */ public function testValidCEK() { $header = []; $key = new JWK(['kty' => 'dir', 'dir' => Base64Url::encode('ABCD')]); $dir = new Dir(); $this->assertEquals('ABCD', $dir->getCEK($key, $header)); }
/** * @param JWKInterface $key */ protected function checkKey(JWKInterface $key) { parent::checkKey($key); if (24 !== strlen(Base64Url::decode($key->getValue('k')))) { throw new \InvalidArgumentException('The key size is not valid'); } }
/** * {@inheritdoc} */ public function getCEK(JWKInterface $key, array $header) { if (!$key->has('kty') || 'dir' !== $key->get('kty') || !$key->has('dir')) { throw new \InvalidArgumentException('The key is not valid'); } return Base64Url::decode($key->get('dir')); }
/** * {@inheritdoc} */ protected function calculateSessionState(ServerRequestInterface $request, AuthorizationInterface $authorization, $browser_state) { $origin = $this->getOriginUri($authorization->getRedirectUri()); $salt = Base64Url::encode(random_bytes(16)); $hash = hash('sha256', sprintf('%s%s%s%s', $authorization->getClient()->getPublicId(), $origin, $browser_state, $salt)); return sprintf('%s.%s', $hash, $salt); }
public function thumbprint($hash_algorithm) { Assertion::inArray($hash_algorithm, hash_algos(), sprintf('Hash algorithm "%s" is not supported', $hash_algorithm)); $values = array_intersect_key($this->getAll(), array_flip(['kty', 'n', 'e', 'crv', 'x', 'y', 'k'])); ksort($values); $input = json_encode($values); return Base64Url::encode(hash($hash_algorithm, $input, true)); }
/** * JWS constructor. * * @param string $input * @param string $signature * @param string|null $encoded_payload * @param string|null $payload * @param string|null $encoded_protected_header * @param array $unprotected_headers */ public function __construct($input, $signature, $encoded_payload = null, $payload = null, $encoded_protected_header = null, array $unprotected_headers = []) { $protected_header = empty($encoded_protected_header) ? [] : json_decode(Base64Url::decode($encoded_protected_header), true); parent::__construct($input, $protected_header, $unprotected_headers, $payload); $this->signature = $signature; $this->encoded_payload = $encoded_payload; $this->encoded_protected_header = $encoded_protected_header; }
/** * {@inheritdoc} */ public function getPublicIdFromSubjectIdentifier($subject_identifier) { $decoded = openssl_decrypt(Base64Url::decode($subject_identifier), $this->algorithm, $this->pairwise_encryption_key, OPENSSL_RAW_DATA, $this->iv); $parts = explode(':', $decoded); if (3 !== count($parts)) { return; } return $parts[1]; }
/** * */ public function testRS512Sign() { $rsa = new RS512(); $key = new JWK(['kty' => 'RSA', 'n' => 'tpS1ZmfVKVP5KofIhMBP0tSWc4qlh6fm2lrZSkuKxUjEaWjzZSzs72gEIGxraWusMdoRuV54xsWRyf5KeZT0S-I5Prle3Idi3gICiO4NwvMk6JwSBcJWwmSLFEKyUSnB2CtfiGc0_5rQCpcEt_Dn5iM-BNn7fqpoLIbks8rXKUIj8-qMVqkTXsEKeKinE23t1ykMldsNaaOH-hvGti5Jt2DMnH1JjoXdDXfxvSP_0gjUYb0ektudYFXoA6wekmQyJeImvgx4Myz1I4iHtkY_Cp7J4Mn1ejZ6HNmyvoTE_4OuY1uCeYv4UyXFc1s1uUyYtj4z57qsHGsS4dQ3A2MJsw', 'e' => 'AQAB', 'p' => '5BGU1c7af_5sFyfsa-onIJgo5BZu8uHvz3Uyb8OA0a-G9UPO1ShLYjX0wUfhZcFB7fwPtgmmYAN6wKGVce9eMAbX4PliPk3r-BcpZuPKkuLk_wFvgWAQ5Hqw2iEuwXLV0_e8c2gaUt_hyMC5-nFc4v0Bmv6NT6Pfry-UrK3BKWc', 'd' => 'Kp0KuZwCZGL1BLgsVM-N0edMNitl9wN5Hf2WOYDoIqOZNAEKzdJuenIMhITJjRFUX05GVL138uyp2js_pqDdY9ipA7rAKThwGuDdNphZHech9ih3DGEPXs-YpmHqvIbCd3GoGm38MKwxYkddEpFnjo8rKna1_BpJthrFxjDRhw9DxJBycOdH2yWTyp62ZENPvneK40H2a57W4QScTgfecZqD59m2fGUaWaX5uUmIxaEmtGoJnd9RE4oywKhgN7_TK7wXRlqA4UoRPiH2ACrdU-_cLQL9Jc0u0GqZJK31LDbOeN95QgtSCc72k3Vtzy3CrVpp5TAA67s1Gj9Skn-CAQ', 'q' => 'zPD-B-nrngwF-O99BHvb47XGKR7ON8JCI6JxavzIkusMXCB8rMyYW8zLs68L8JLAzWZ34oMq0FPUnysBxc5nTF8Nb4BZxTZ5-9cHfoKrYTI3YWsmVW2FpCJFEjMs4NXZ28PBkS9b4zjfS2KhNdkmCeOYU0tJpNfwmOTI90qeUdU', 'dp' => 'aJrzw_kjWK9uDlTeaES2e4muv6bWbopYfrPHVWG7NPGoGdhnBnd70-jhgMEiTZSNU8VXw2u7prAR3kZ-kAp1DdwlqedYOzFsOJcPA0UZhbORyrBy30kbll_7u6CanFm6X4VyJxCpejd7jKNw6cCTFP1sfhWg5NVJ5EUTkPwE66M', 'dq' => 'Swz1-m_vmTFN_pu1bK7vF7S5nNVrL4A0OFiEsGliCmuJWzOKdL14DiYxctvnw3H6qT2dKZZfV2tbse5N9-JecdldUjfuqAoLIe7dD7dKi42YOlTC9QXmqvTh1ohnJu8pmRFXEZQGUm_BVhoIb2_WPkjav6YSkguCUHt4HRd2YwE', 'qi' => 'BocuCOEOq-oyLDALwzMXU8gOf3IL1Q1_BWwsdoANoh6i179psxgE4JXToWcpXZQQqub8ngwE6uR9fpd3m6N_PL4T55vbDDyjPKmrL2ttC2gOtx9KrpPh-Z7LQRo4BE48nHJJrystKHfFlaH2G7JxHNgMBYVADyttN09qEoav8Os']); $data = 'Je suis Charlie'; $signature = $rsa->sign($key, $data); $this->assertEquals('dCFJjJdXUz_0zaOveSvb0aJulgjLwH4cf2d3d_BRfCpUKUjPT9KXiJiBl9JBVaGhLzbHmDmiLu1ZIsC8sAtW1Z0Mt6p4TpNxbGlAG37UtaN8Y5x7RiRpE_4DWNqcUsZJbsQt7eOs0vDl70TXGQzTT465HNmVW-DHw8cZLsxhu2Qia7i0UOhNO0fZScf0t843s0DLQ8hSCN5bbO-Zv33Tv3rx1EuNRSypIQDHWlN6qtX4-K6XO_bNo2-Tole9eTwOkuuQibTh_9Xa7jXP_SI6Qj6nqJZxaZmTO4NdBbNx1kwtYec8jBYqkv1H7E7wfN8EpOdhL1lC2DSq6tR2vP8eIQ', Base64Url::encode($signature)); $this->assertTrue($rsa->verify($key, $data, $signature)); }
/** * @param \Jose\Object\JWKInterface $key */ protected function checkKey(JWKInterface $key) { if (!$key->has('kty') || 'oct' !== $key->get('kty') || !$key->has('k')) { throw new \InvalidArgumentException('The key is not valid'); } if ($this->getKeySize() !== strlen(Base64Url::decode($key->get('k')))) { throw new \InvalidArgumentException('The key size is not valid'); } }
/** * Key Derivation Function. * * @param string $Z Shared secret * @param string $algorithm Encryption algorithm * @param int $encryption_key_size Size of the encryption key * @param string $apu Agreement PartyUInfo (information about the producer) * @param string $apv Agreement PartyVInfo (information about the recipient) * * @return string */ public static function generate($Z, $algorithm, $encryption_key_size, $apu = '', $apv = '') { $apu = !empty($apu) ? Base64Url::decode($apu) : ''; $apv = !empty($apv) ? Base64Url::decode($apv) : ''; $encryption_segments = [self::toInt32Bits(1), $Z, self::toInt32Bits(mb_strlen($algorithm, '8bit')) . $algorithm, self::toInt32Bits(mb_strlen($apu, '8bit')) . $apu, self::toInt32Bits(mb_strlen($apv, '8bit')) . $apv, self::toInt32Bits($encryption_key_size), '']; $input = implode('', $encryption_segments); $hash = hash('sha256', $input, true); $kdf = mb_substr($hash, 0, $encryption_key_size / 8, '8bit'); return $kdf; }
public function thumbprint($hash_algorithm) { if (false === in_array($hash_algorithm, hash_algos())) { throw new \InvalidArgumentException(sprintf('Hash algorithm "%s" is not supported', $hash_algorithm)); } $values = array_intersect_key($this->getAll(), array_flip(['kty', 'n', 'e', 'crv', 'x', 'y', 'k'])); ksort($values); $input = json_encode($values); return Base64Url::encode(hash($hash_algorithm, $input, true)); }
/** * */ public function testES512Verify() { $public_key = new JWK(); $public_key->setValues(['kty' => 'EC', 'kid' => '*****@*****.**', 'use' => 'sig', 'crv' => 'P-521', 'x' => 'AHKZLLOsCOzz5cY97ewNUajB957y-C-U88c3v13nmGZx6sYl_oJXu9A5RkTKqjqvjyekWF-7ytDyRXYgCF5cj0Kt', 'y' => 'AdymlHvOiLxXkEhayXQnNCvDX4h9htZaCJN34kfmC6pV5OhQHiraVySsUdaQkAgDPrwQrJmbnX9cwlGfP-HqHZR1']); $header = 'eyJhbGciOiJFUzUxMiIsImtpZCI6ImJpbGJvLmJhZ2dpbnNAaG9iYml0b24uZXhhbXBsZSJ9'; $payload = 'SXTigJlzIGEgZGFuZ2Vyb3VzIGJ1c2luZXNzLCBGcm9kbywgZ29pbmcgb3V0IHlvdXIgZG9vci4gWW91IHN0ZXAgb250byB0aGUgcm9hZCwgYW5kIGlmIHlvdSBkb24ndCBrZWVwIHlvdXIgZmVldCwgdGhlcmXigJlzIG5vIGtub3dpbmcgd2hlcmUgeW91IG1pZ2h0IGJlIHN3ZXB0IG9mZiB0by4'; $signature = 'AE_R_YZCChjn4791jSQCrdPZCNYqHXCTZH0-JZGYNlaAjP2kqaluUIIUnC9qvbu9Plon7KRTzoNEuT4Va2cmL1eJAQy3mtPBu_u_sDDyYjnAMDxXPn7XrT0lw-kvAD890jl8e2puQens_IEKBpHABlsbEPX6sFY8OcGDqoRuBomu9xQ2'; $ecdsa = new ES512(); $this->assertTrue($ecdsa->verify($public_key, $header . '.' . $payload, Base64Url::decode($signature))); }
/** * */ public function testA256KW() { $header = []; $key = new JWK(['kty' => 'oct', 'k' => Base64Url::encode(hex2bin('000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F'))]); $cek = hex2bin('00112233445566778899AABBCCDDEEFF000102030405060708090A0B0C0D0E0F'); $aeskw = new A256KW(); $wrapped_cek = $aeskw->encryptKey($key, $cek, $header); $this->assertEquals($wrapped_cek, hex2bin('28C9F404C4B810F4CBCCB35CFB87F8263F5786E2D80ED326CBC7F0E71A99F43BFB988B9B7A02DD21')); $this->assertEquals($cek, $aeskw->decryptKey($key, $wrapped_cek, $header)); }
/** * @param \Jose\Object\JWKInterface $key * @param string $encryted_cek * @param array $header * * @return mixed */ public function decryptKey(JWKInterface $key, $encryted_cek, array $header) { $this->checkKey($key); $this->checkAdditionalParameters($header); $cipher = Cipher::aes(Cipher::MODE_GCM, $this->getKeySize()); $cipher->setTag(Base64Url::decode($header['tag'])); $cipher->setAAD(null); $cek = $cipher->decrypt($encryted_cek, Base64Url::decode($key->get('k')), Base64Url::decode($header['iv'])); return $cek; }
/** * {@inheritdoc} */ public function verify(JWKInterface $key, $data, $signature) { $this->checkKey($key); $public = Base64Url::decode($key->get('x')); switch ($key->get('crv')) { case 'Ed25519': return ed25519_sign_open($data, $public, $signature); default: throw new \InvalidArgumentException('Unsupported curve'); } }
/** * @param \Jose\Object\JWSInterface $jws * @param \Jose\Object\SignatureInterface $signature * * @return string */ private function getInputToSign(Object\JWSInterface $jws, Object\SignatureInterface $signature) { $this->checkB64HeaderAndCrit($signature); $encoded_protected_headers = $signature->getEncodedProtectedHeaders(); $payload = $jws->getPayload(); if (!$signature->hasProtectedHeader('b64') || true === $signature->getProtectedHeader('b64')) { $encoded_payload = Base64Url::encode(is_string($payload) ? $payload : json_encode($payload)); return sprintf('%s.%s', $encoded_protected_headers, $encoded_payload); } return sprintf('%s.%s', $encoded_protected_headers, $payload); }
/** * */ public function testPBES2HS512A256KW() { $header = ['alg' => 'PBES2-HS512+A256KW', 'enc' => 'A256CBC-HS512', 'cty' => 'jwk+json']; $key = new JWK(['kty' => 'oct', 'k' => Base64Url::encode($this->convertArrayToBinString([84, 104, 117, 115, 32, 102, 114, 111, 109, 32, 109, 121, 32, 108, 105, 112, 115, 44, 32, 98, 121, 32, 121, 111, 117, 114, 115, 44, 32, 109, 121, 32, 115, 105, 110, 32, 105, 115, 32, 112, 117, 114, 103, 101, 100, 46]))]); $cek = $this->convertArrayToBinString([111, 27, 25, 52, 66, 29, 20, 78, 92, 176, 56, 240, 65, 208, 82, 112, 161, 131, 36, 55, 202, 236, 185, 172, 129, 23, 153, 194, 195, 48, 253, 182]); $pbes2 = new PBES2HS512A256KW(); $encrypted_cek = $pbes2->encryptKey($key, $cek, $header); $this->assertTrue(isset($header['p2s'])); $this->assertEquals(4096, $header['p2c']); $this->assertEquals($cek, $pbes2->decryptKey($key, $encrypted_cek, $header)); }
public static function handle_register() { if (isset($_POST['oldEndpoint']) && $_POST['oldEndpoint'] !== $_POST['endpoint']) { WebPush_DB::remove_subscription($_POST['oldEndpoint']); } WebPush_DB::add_subscription($_POST['endpoint'], isset($_POST['key']) ? $_POST['key'] : '', isset($_POST['auth']) ? Base64Url::decode($_POST['auth']) : ''); if (isset($_POST['newRegistration'])) { update_option('webpush_accepted_prompt_count', get_option('webpush_accepted_prompt_count') + 1); } wp_die(); }
/** * JWE constructor. * * @param string $input * @param string $ciphertext * @param string|null $encrypted_key * @param string|null $iv * @param string|null $aad * @param string|null $tag * @param string|null $encoded_protected_header * @param array $unprotected_header * @param string|null $payload */ public function __construct($input, $ciphertext, $encrypted_key = null, $iv = null, $aad = null, $tag = null, $encoded_protected_header = null, $unprotected_header = [], $payload = null) { $protected_header = empty($encoded_protected_header) ? [] : json_decode(Base64Url::decode($encoded_protected_header), true); parent::__construct($input, $protected_header, $unprotected_header, $payload); $this->ciphertext = $ciphertext; $this->encrypted_key = $encrypted_key; $this->iv = $iv; $this->aad = $aad; $this->tag = $tag; $this->encoded_protected_header = $encoded_protected_header; }
/** * @see https://tools.ietf.org/html/rfc7516#appendix-A.1 */ public function testA256GCMDecryptTestVector() { $algorithm = new A256GCM(); $header = Base64Url::encode(json_encode(['alg' => 'RSA-OAEP', 'enc' => 'A256GCM'])); $cek = $this->convertArrayToBinString([177, 161, 244, 128, 84, 143, 225, 115, 63, 180, 3, 255, 107, 154, 212, 246, 138, 7, 110, 91, 112, 46, 34, 105, 47, 130, 203, 46, 122, 234, 64, 252]); $iv = $this->convertArrayToBinString([227, 197, 117, 252, 2, 219, 233, 68, 180, 225, 77, 219]); $tag = $this->convertArrayToBinString([92, 80, 104, 49, 133, 25, 161, 215, 173, 101, 219, 211, 136, 91, 210, 145]); $cyphertext = $this->convertArrayToBinString([229, 236, 166, 241, 53, 191, 115, 196, 174, 43, 73, 109, 39, 122, 233, 96, 140, 206, 120, 52, 51, 237, 48, 11, 190, 219, 186, 80, 111, 104, 50, 142, 47, 167, 59, 61, 181, 127, 196, 21, 40, 82, 242, 32, 123, 143, 168, 226, 73, 216, 176, 144, 138, 247, 106, 60, 16, 205, 160, 109, 64, 63, 192]); $expected_plaintext = 'The true sign of intelligence is not knowledge but imagination.'; $this->assertEquals('eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkEyNTZHQ00ifQ', $header); $this->assertEquals($expected_plaintext, $algorithm->decryptContent($cyphertext, $cek, $iv, null, $header, $tag)); }
/** * */ public function testA256GCMKW() { $header = []; $key = new JWK(['kty' => 'oct', 'k' => Base64Url::encode(hex2bin('000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F'))]); $cek = hex2bin('00112233445566778899AABBCCDDEEFF000102030405060708090A0B0C0D0E0F'); $aeskw = new A256GCMKW(); $wrapped_cek = $aeskw->encryptKey($key, $cek, $header); $this->assertTrue(array_key_exists('iv', $header)); $this->assertTrue(array_key_exists('tag', $header)); $this->assertNotNull($header['iv']); $this->assertNotNull($header['tag']); $this->assertEquals($cek, $aeskw->decryptKey($key, $wrapped_cek, $header)); }
/** * {@inheritdoc} */ public function unwrapKey(JWKInterface $key, $encrypted_cek, array $header) { $this->checkKey($key); $this->checkHeaderAlgorithm($header); $this->checkHeaderAdditionalParameters($header); $wrapper = $this->getWrapper(); $hash_algorithm = $this->getHashAlgorithm(); $key_size = $this->getKeySize(); $salt = $header['alg'] . "" . Base64Url::decode($header['p2s']); $count = $header['p2c']; $password = Base64Url::decode($key->get('k')); $derived_key = hash_pbkdf2($hash_algorithm, $password, $salt, $count, $key_size, true); return $wrapper->unwrap($derived_key, $encrypted_cek); }
function setVAPIDInfo($privateKey, $audience, $subject) { if (!USE_VAPID || !$privateKey || !$audience || !$subject) { return; } $builder = new Builder(); $token = $builder->setAudience($audience)->setExpiration(time() + 86400)->setSubject($subject)->sign(new Sha256(), new Key($privateKey))->getToken(); $this->additionalHeaders['Authorization'] = 'Bearer ' . $token; $privKeySerializer = new PemPrivateKeySerializer(new DerPrivateKeySerializer()); $privateKeyObject = $privKeySerializer->parse($privateKey); $publicKeyObject = $privateKeyObject->getPublicKey(); $pointSerializer = new UncompressedPointSerializer(EccFactory::getAdapter()); $this->additionalHeaders['Crypto-Key'] = 'p256ecdsa=' . Base64Url::encode(hex2bin($pointSerializer->serialize($publicKeyObject->getPoint()))); }
/** * @see https://tools.ietf.org/html/rfc7518#appendix-C */ public function testGetAgreementKey() { $receiver = new JWK(['kty' => 'EC', 'crv' => 'P-256', 'x' => 'weNJy2HscCSM6AEDTDg04biOvhFhyyWvOHQfeF_PxMQ', 'y' => 'e8lnCO-AlStT-NJVX-crhB7QRYhiix03illJOVAOyck', 'd' => 'VEmDZpDXXK8p8N0Cndsxs924q6nS1RXFASRl6BfUqdw']); $sender = new JWK(['kty' => 'EC', 'crv' => 'P-256', 'x' => 'gI0GAILBdu7T53akrFmMyGcsF3n5dO7MmwNBHKW5SV0', 'y' => 'SLW_xSffzlPWrHEVI30DHM_4egVwt3NQqeUD7nMFpps', 'd' => '0_NxaRPUMQoAJt50Gz8YiTr8gRTwyEaCumd']); $header = ['enc' => 'A128GCM', 'apu' => 'QWxpY2U', 'apv' => 'Qm9i']; $expected = Base64Url::decode('9FdsD3uzmeK4ImyoWpP5PA'); $ecdh_es = new ECDHES(); $additional_header_values = []; $this->assertEquals($expected, $ecdh_es->getAgreementKey(128, $sender, $receiver, $header, $additional_header_values)); $this->assertTrue(array_key_exists('epk', $additional_header_values)); $this->assertTrue(array_key_exists('kty', $additional_header_values['epk'])); $this->assertTrue(array_key_exists('crv', $additional_header_values['epk'])); $this->assertTrue(array_key_exists('x', $additional_header_values['epk'])); $this->assertTrue(array_key_exists('y', $additional_header_values['epk'])); }
/** * @see https://tools.ietf.org/html/rfc7516#appendix-A.1 */ public function testRSAOAEPEncryptionAndDecryption() { $header = []; $jwk = new JWK(['kty' => 'RSA', 'n' => 'oahUIoWw0K0usKNuOR6H4wkf4oBUXHTxRvgb48E-BVvxkeDNjbC4he8rUWcJoZmds2h7M70imEVhRU5djINXtqllXI4DFqcI1DgjT9LewND8MW2Krf3Spsk_ZkoFnilakGygTwpZ3uesH-PFABNIUYpOiN15dsQRkgr0vEhxN92i2asbOenSZeyaxziK72UwxrrKoExv6kc5twXTq4h-QChLOln0_mtUZwfsRaMStPs6mS6XrgxnxbWhojf663tuEQueGC-FCMfra36C9knDFGzKsNa7LZK2djYgyD3JR_MB_4NUJW_TqOQtwHYbxevoJArm-L5StowjzGy-_bq6Gw', 'e' => 'AQAB', 'd' => 'kLdtIj6GbDks_ApCSTYQtelcNttlKiOyPzMrXHeI-yk1F7-kpDxY4-WY5NWV5KntaEeXS1j82E375xxhWMHXyvjYecPT9fpwR_M9gV8n9Hrh2anTpTD93Dt62ypW3yDsJzBnTnrYu1iwWRgBKrEYY46qAZIrA2xAwnm2X7uGR1hghkqDp0Vqj3kbSCz1XyfCs6_LehBwtxHIyh8Ripy40p24moOAbgxVw3rxT_vlt3UVe4WO3JkJOzlpUf-KTVI2Ptgm-dARxTEtE-id-4OJr0h-K-VFs3VSndVTIznSxfyrj8ILL6MG_Uv8YAu7VILSB3lOW085-4qE3DzgrTjgyQ', 'p' => '1r52Xk46c-LsfB5P442p7atdPUrxQSy4mti_tZI3Mgf2EuFVbUoDBvaRQ-SWxkbkmoEzL7JXroSBjSrK3YIQgYdMgyAEPTPjXv_hI2_1eTSPVZfzL0lffNn03IXqWF5MDFuoUYE0hzb2vhrlN_rKrbfDIwUbTrjjgieRbwC6Cl0', 'q' => 'wLb35x7hmQWZsWJmB_vle87ihgZ19S8lBEROLIsZG4ayZVe9Hi9gDVCOBmUDdaDYVTSNx_8Fyw1YYa9XGrGnDew00J28cRUoeBB_jKI1oma0Orv1T9aXIWxKwd4gvxFImOWr3QRL9KEBRzk2RatUBnmDZJTIAfwTs0g68UZHvtc', 'dp' => 'ZK-YwE7diUh0qR1tR7w8WHtolDx3MZ_OTowiFvgfeQ3SiresXjm9gZ5KLhMXvo-uz-KUJWDxS5pFQ_M0evdo1dKiRTjVw_x4NyqyXPM5nULPkcpU827rnpZzAJKpdhWAgqrXGKAECQH0Xt4taznjnd_zVpAmZZq60WPMBMfKcuE', 'dq' => 'Dq0gfgJ1DdFGXiLvQEZnuKEN0UUmsJBxkjydc3j4ZYdBiMRAy86x0vHCjywcMlYYg4yoC4YZa9hNVcsjqA3FeiL19rk8g6Qn29Tt0cj8qqyFpz9vNDBUfCAiJVeESOjJDZPYHdHY8v1b-o-Z2X5tvLx-TCekf7oxyeKDUqKWjis', 'qi' => 'VIMpMYbPf47dT1w_zDUXfPimsSegnMOA1zTaX7aGk_8urY6R8-ZW1FxU7AlWAyLWybqq6t16VFd7hQd0y6flUK4SlOydB61gwanOsXGOAOv82cHq0E3eL4HrtZkUuKvnPrMnsUUFlfUdybVzxyjz9JF_XyaY14ardLSjf4L_FNY']); $cek = [177, 161, 244, 128, 84, 143, 225, 115, 63, 180, 3, 255, 107, 154, 212, 246, 138, 7, 110, 91, 112, 46, 34, 105, 47, 130, 203, 46, 122, 234, 64, 252]; foreach ($cek as $key => $value) { $cek[$key] = str_pad(dechex($value), 2, '0', STR_PAD_LEFT); } $cek = hex2bin(implode('', $cek)); $from_specification = Base64Url::decode('OKOawDo13gRp2ojaHV7LFpZcgV7T6DVZKTyKOMTYUmKoTCVJRgckCL9kiMT03JGeipsEdY3mx_etLbbWSrFr05kLzcSr4qKAq7YN7e9jwQRb23nfa6c9d-StnImGyFDbSv04uVuxIp5Zms1gNxKKK2Da14B8S4rzVRltdYwam_lDp5XnZAYpQdb76FdIKLaVmqgfwX7XWRxv2322i-vDxRfqNzo_tETKzpVLzfiwQyeyPGLBIO56YJ7eObdv0je81860ppamavo35UgoRdbYaBcoh9QcfylQr66oc6vFWXRcZ_ZT2LawVCWTIy3brGPi6UklfCpIMfIjf7iGdXKHzg'); $rsa_oaep = new RSAOAEP(); $encrypted = $rsa_oaep->encryptKey($jwk, $cek, $header); $this->assertEquals($cek, $rsa_oaep->decryptKey($jwk, $encrypted, $header)); $this->assertEquals($cek, $rsa_oaep->decryptKey($jwk, $from_specification, $header)); }
function get_public_key($privateKey) { $publicKeyVal = __('Your private key is invalid.', 'web-push'); error_reporting(E_ERROR); try { $privKeySerializer = new PemPrivateKeySerializer(new DerPrivateKeySerializer()); $privateKeyObject = $privKeySerializer->parse($privateKey); $publicKeyObject = $privateKeyObject->getPublicKey(); $pointSerializer = new UncompressedPointSerializer(EccFactory::getAdapter()); $publicKeyVal = Base64Url::encode(hex2bin($pointSerializer->serialize($publicKeyObject->getPoint()))); } catch (Exception $e) { // Ignore exceptions while getting the public key from the private key. } error_reporting(E_ALL); return $publicKeyVal; }
/** * {@inheritdoc} */ public function unwrapKey(JWKInterface $key, $encrypted_cek, array $header) { $this->checkKey($key); $this->checkAdditionalParameters($header); $kek = Base64Url::decode($key->get('k')); $tag = Base64Url::decode($header['tag']); $iv = Base64Url::decode($header['iv']); if (version_compare(PHP_VERSION, '7.1.0') >= 0) { return openssl_decrypt($encrypted_cek, $this->getMode($kek), $kek, OPENSSL_RAW_DATA, $iv, $tag, null); } elseif (class_exists('\\Crypto\\Cipher')) { $cipher = Cipher::aes(Cipher::MODE_GCM, $this->getKeySize()); $cipher->setTag($tag); $cipher->setAAD(null); $cek = $cipher->decrypt($encrypted_cek, $kek, $iv); return $cek; } return AESGCM::decrypt($kek, $iv, $encrypted_cek, null, $tag); }
/** * @param \Jose\Object\JWEInterface $jwe * @param \Jose\Algorithm\ContentEncryptionAlgorithmInterface $content_encryption_algorithm * @param string $key_management_mode * @param array $additional_headers * * @return string */ private function determineCEK(Object\JWEInterface $jwe, Algorithm\ContentEncryptionAlgorithmInterface $content_encryption_algorithm, $key_management_mode, array &$additional_headers) { switch ($key_management_mode) { case Algorithm\KeyEncryption\KeyEncryptionInterface::MODE_ENCRYPT: case Algorithm\KeyEncryption\KeyEncryptionInterface::MODE_WRAP: return $this->createCEK($content_encryption_algorithm->getCEKSize()); case Algorithm\KeyEncryption\KeyEncryptionInterface::MODE_AGREEMENT: Assertion::eq(1, $jwe->countRecipients(), 'Unable to encrypt for multiple recipients using key agreement algorithms.'); $complete_headers = array_merge($jwe->getSharedProtectedHeaders(), $jwe->getSharedHeaders(), $jwe->getRecipient(0)->getHeaders()); $algorithm = $this->findKeyEncryptionAlgorithm($complete_headers); return $algorithm->getAgreementKey($content_encryption_algorithm->getCEKSize(), $content_encryption_algorithm->getAlgorithmName(), $jwe->getRecipient(0)->getRecipientKey(), $complete_headers, $additional_headers); case Algorithm\KeyEncryption\KeyEncryptionInterface::MODE_DIRECT: Assertion::eq(1, $jwe->countRecipients(), 'Unable to encrypt for multiple recipients using key agreement algorithms.'); Assertion::eq($jwe->getRecipient(0)->getRecipientKey()->get('kty'), 'oct', 'Wrong key type.'); Assertion::true($jwe->getRecipient(0)->getRecipientKey()->has('k'), 'The key parameter "k" is missing.'); return Base64Url::decode($jwe->getRecipient(0)->getRecipientKey()->get('k')); default: throw new \InvalidArgumentException(sprintf('Unsupported key management mode "%s".', $key_management_mode)); } }