@@ -11,66 +11,66 @@ |
||
| 11 | 11 | */ |
| 12 | 12 | class A256CBCHS512Algorithm extends AESCBCAlgorithm |
| 13 | 13 | { |
| 14 | - /** |
|
| 15 | - * |
|
| 16 | - * {@inheritdoc} |
|
| 17 | - */ |
|
| 18 | - public function keySize() |
|
| 19 | - { |
|
| 20 | - return 64; |
|
| 21 | - } |
|
| 14 | + /** |
|
| 15 | + * |
|
| 16 | + * {@inheritdoc} |
|
| 17 | + */ |
|
| 18 | + public function keySize() |
|
| 19 | + { |
|
| 20 | + return 64; |
|
| 21 | + } |
|
| 22 | 22 | |
| 23 | - /** |
|
| 24 | - * |
|
| 25 | - * {@inheritdoc} |
|
| 26 | - */ |
|
| 27 | - public function encryptionAlgorithmParamValue() |
|
| 28 | - { |
|
| 29 | - return JWA::ALGO_A256CBC_HS512; |
|
| 30 | - } |
|
| 23 | + /** |
|
| 24 | + * |
|
| 25 | + * {@inheritdoc} |
|
| 26 | + */ |
|
| 27 | + public function encryptionAlgorithmParamValue() |
|
| 28 | + { |
|
| 29 | + return JWA::ALGO_A256CBC_HS512; |
|
| 30 | + } |
|
| 31 | 31 | |
| 32 | - /** |
|
| 33 | - * |
|
| 34 | - * {@inheritdoc} |
|
| 35 | - */ |
|
| 36 | - protected function _cipherMethod() |
|
| 37 | - { |
|
| 38 | - return "AES-256-CBC"; |
|
| 39 | - } |
|
| 32 | + /** |
|
| 33 | + * |
|
| 34 | + * {@inheritdoc} |
|
| 35 | + */ |
|
| 36 | + protected function _cipherMethod() |
|
| 37 | + { |
|
| 38 | + return "AES-256-CBC"; |
|
| 39 | + } |
|
| 40 | 40 | |
| 41 | - /** |
|
| 42 | - * |
|
| 43 | - * {@inheritdoc} |
|
| 44 | - */ |
|
| 45 | - protected function _hashAlgo() |
|
| 46 | - { |
|
| 47 | - return "sha512"; |
|
| 48 | - } |
|
| 41 | + /** |
|
| 42 | + * |
|
| 43 | + * {@inheritdoc} |
|
| 44 | + */ |
|
| 45 | + protected function _hashAlgo() |
|
| 46 | + { |
|
| 47 | + return "sha512"; |
|
| 48 | + } |
|
| 49 | 49 | |
| 50 | - /** |
|
| 51 | - * |
|
| 52 | - * {@inheritdoc} |
|
| 53 | - */ |
|
| 54 | - protected function _encKeyLen() |
|
| 55 | - { |
|
| 56 | - return 32; |
|
| 57 | - } |
|
| 50 | + /** |
|
| 51 | + * |
|
| 52 | + * {@inheritdoc} |
|
| 53 | + */ |
|
| 54 | + protected function _encKeyLen() |
|
| 55 | + { |
|
| 56 | + return 32; |
|
| 57 | + } |
|
| 58 | 58 | |
| 59 | - /** |
|
| 60 | - * |
|
| 61 | - * {@inheritdoc} |
|
| 62 | - */ |
|
| 63 | - protected function _macKeyLen() |
|
| 64 | - { |
|
| 65 | - return 32; |
|
| 66 | - } |
|
| 59 | + /** |
|
| 60 | + * |
|
| 61 | + * {@inheritdoc} |
|
| 62 | + */ |
|
| 63 | + protected function _macKeyLen() |
|
| 64 | + { |
|
| 65 | + return 32; |
|
| 66 | + } |
|
| 67 | 67 | |
| 68 | - /** |
|
| 69 | - * |
|
| 70 | - * {@inheritdoc} |
|
| 71 | - */ |
|
| 72 | - protected function _tagLen() |
|
| 73 | - { |
|
| 74 | - return 32; |
|
| 75 | - } |
|
| 68 | + /** |
|
| 69 | + * |
|
| 70 | + * {@inheritdoc} |
|
| 71 | + */ |
|
| 72 | + protected function _tagLen() |
|
| 73 | + { |
|
| 74 | + return 32; |
|
| 75 | + } |
|
| 76 | 76 | } |
@@ -12,30 +12,30 @@ |
||
| 12 | 12 | */ |
| 13 | 13 | class A192GCMAlgorithm extends AESGCMAlgorithm |
| 14 | 14 | { |
| 15 | - /** |
|
| 16 | - * |
|
| 17 | - * {@inheritdoc} |
|
| 18 | - */ |
|
| 19 | - public function encryptionAlgorithmParamValue() |
|
| 20 | - { |
|
| 21 | - return JWA::ALGO_A192GCM; |
|
| 22 | - } |
|
| 15 | + /** |
|
| 16 | + * |
|
| 17 | + * {@inheritdoc} |
|
| 18 | + */ |
|
| 19 | + public function encryptionAlgorithmParamValue() |
|
| 20 | + { |
|
| 21 | + return JWA::ALGO_A192GCM; |
|
| 22 | + } |
|
| 23 | 23 | |
| 24 | - /** |
|
| 25 | - * |
|
| 26 | - * {@inheritdoc} |
|
| 27 | - */ |
|
| 28 | - public function keySize() |
|
| 29 | - { |
|
| 30 | - return 24; |
|
| 31 | - } |
|
| 24 | + /** |
|
| 25 | + * |
|
| 26 | + * {@inheritdoc} |
|
| 27 | + */ |
|
| 28 | + public function keySize() |
|
| 29 | + { |
|
| 30 | + return 24; |
|
| 31 | + } |
|
| 32 | 32 | |
| 33 | - /** |
|
| 34 | - * |
|
| 35 | - * {@inheritdoc} |
|
| 36 | - */ |
|
| 37 | - protected function _getGCMCipher() |
|
| 38 | - { |
|
| 39 | - return new AES192Cipher(); |
|
| 40 | - } |
|
| 33 | + /** |
|
| 34 | + * |
|
| 35 | + * {@inheritdoc} |
|
| 36 | + */ |
|
| 37 | + protected function _getGCMCipher() |
|
| 38 | + { |
|
| 39 | + return new AES192Cipher(); |
|
| 40 | + } |
|
| 41 | 41 | } |
@@ -18,353 +18,353 @@ |
||
| 18 | 18 | */ |
| 19 | 19 | class JWE |
| 20 | 20 | { |
| 21 | - /** |
|
| 22 | - * Protected header. |
|
| 23 | - * |
|
| 24 | - * @var Header $_protectedHeader |
|
| 25 | - */ |
|
| 26 | - protected $_protectedHeader; |
|
| 21 | + /** |
|
| 22 | + * Protected header. |
|
| 23 | + * |
|
| 24 | + * @var Header $_protectedHeader |
|
| 25 | + */ |
|
| 26 | + protected $_protectedHeader; |
|
| 27 | 27 | |
| 28 | - /** |
|
| 29 | - * Encrypted key. |
|
| 30 | - * |
|
| 31 | - * @var string $_encryptedKey |
|
| 32 | - */ |
|
| 33 | - protected $_encryptedKey; |
|
| 28 | + /** |
|
| 29 | + * Encrypted key. |
|
| 30 | + * |
|
| 31 | + * @var string $_encryptedKey |
|
| 32 | + */ |
|
| 33 | + protected $_encryptedKey; |
|
| 34 | 34 | |
| 35 | - /** |
|
| 36 | - * Initialization vector. |
|
| 37 | - * |
|
| 38 | - * @var string |
|
| 39 | - */ |
|
| 40 | - protected $_iv; |
|
| 35 | + /** |
|
| 36 | + * Initialization vector. |
|
| 37 | + * |
|
| 38 | + * @var string |
|
| 39 | + */ |
|
| 40 | + protected $_iv; |
|
| 41 | 41 | |
| 42 | - /** |
|
| 43 | - * Additional authenticated data. |
|
| 44 | - * |
|
| 45 | - * @var string $_aad |
|
| 46 | - */ |
|
| 47 | - protected $_aad; |
|
| 42 | + /** |
|
| 43 | + * Additional authenticated data. |
|
| 44 | + * |
|
| 45 | + * @var string $_aad |
|
| 46 | + */ |
|
| 47 | + protected $_aad; |
|
| 48 | 48 | |
| 49 | - /** |
|
| 50 | - * Ciphertext. |
|
| 51 | - * |
|
| 52 | - * @var string $_ciphertext |
|
| 53 | - */ |
|
| 54 | - protected $_ciphertext; |
|
| 49 | + /** |
|
| 50 | + * Ciphertext. |
|
| 51 | + * |
|
| 52 | + * @var string $_ciphertext |
|
| 53 | + */ |
|
| 54 | + protected $_ciphertext; |
|
| 55 | 55 | |
| 56 | - /** |
|
| 57 | - * Authentication tag. |
|
| 58 | - * |
|
| 59 | - * @var string $_authenticationTag |
|
| 60 | - */ |
|
| 61 | - protected $_authenticationTag; |
|
| 56 | + /** |
|
| 57 | + * Authentication tag. |
|
| 58 | + * |
|
| 59 | + * @var string $_authenticationTag |
|
| 60 | + */ |
|
| 61 | + protected $_authenticationTag; |
|
| 62 | 62 | |
| 63 | - /** |
|
| 64 | - * Constructor. |
|
| 65 | - * |
|
| 66 | - * @param Header $protected_header JWE Protected Header |
|
| 67 | - * @param string $encrypted_key Encrypted key |
|
| 68 | - * @param string $iv Initialization vector |
|
| 69 | - * @param string $ciphertext Ciphertext |
|
| 70 | - * @param string $auth_tag Authentication tag |
|
| 71 | - * @param string|null $aad Additional authenticated data |
|
| 72 | - */ |
|
| 73 | - public function __construct(Header $protected_header, $encrypted_key, $iv, |
|
| 74 | - $ciphertext, $auth_tag, $aad = null) |
|
| 75 | - { |
|
| 76 | - $this->_protectedHeader = $protected_header; |
|
| 77 | - $this->_encryptedKey = $encrypted_key; |
|
| 78 | - $this->_iv = $iv; |
|
| 79 | - $this->_aad = $aad; |
|
| 80 | - $this->_ciphertext = $ciphertext; |
|
| 81 | - $this->_authenticationTag = $auth_tag; |
|
| 82 | - } |
|
| 63 | + /** |
|
| 64 | + * Constructor. |
|
| 65 | + * |
|
| 66 | + * @param Header $protected_header JWE Protected Header |
|
| 67 | + * @param string $encrypted_key Encrypted key |
|
| 68 | + * @param string $iv Initialization vector |
|
| 69 | + * @param string $ciphertext Ciphertext |
|
| 70 | + * @param string $auth_tag Authentication tag |
|
| 71 | + * @param string|null $aad Additional authenticated data |
|
| 72 | + */ |
|
| 73 | + public function __construct(Header $protected_header, $encrypted_key, $iv, |
|
| 74 | + $ciphertext, $auth_tag, $aad = null) |
|
| 75 | + { |
|
| 76 | + $this->_protectedHeader = $protected_header; |
|
| 77 | + $this->_encryptedKey = $encrypted_key; |
|
| 78 | + $this->_iv = $iv; |
|
| 79 | + $this->_aad = $aad; |
|
| 80 | + $this->_ciphertext = $ciphertext; |
|
| 81 | + $this->_authenticationTag = $auth_tag; |
|
| 82 | + } |
|
| 83 | 83 | |
| 84 | - /** |
|
| 85 | - * Initialize from compact serialization. |
|
| 86 | - * |
|
| 87 | - * @param string $data |
|
| 88 | - * @return self |
|
| 89 | - */ |
|
| 90 | - public static function fromCompact($data) |
|
| 91 | - { |
|
| 92 | - return self::fromParts(explode(".", $data)); |
|
| 93 | - } |
|
| 84 | + /** |
|
| 85 | + * Initialize from compact serialization. |
|
| 86 | + * |
|
| 87 | + * @param string $data |
|
| 88 | + * @return self |
|
| 89 | + */ |
|
| 90 | + public static function fromCompact($data) |
|
| 91 | + { |
|
| 92 | + return self::fromParts(explode(".", $data)); |
|
| 93 | + } |
|
| 94 | 94 | |
| 95 | - /** |
|
| 96 | - * Initialize from parts of compact serialization. |
|
| 97 | - * |
|
| 98 | - * @param array $parts |
|
| 99 | - * @throws \UnexpectedValueException |
|
| 100 | - * @return self |
|
| 101 | - */ |
|
| 102 | - public static function fromParts(array $parts) |
|
| 103 | - { |
|
| 104 | - if (count($parts) != 5) { |
|
| 105 | - throw new \UnexpectedValueException( |
|
| 106 | - "Invalid JWE compact serialization."); |
|
| 107 | - } |
|
| 108 | - $header = Header::fromJSON(Base64::urlDecode($parts[0])); |
|
| 109 | - $encrypted_key = Base64::urlDecode($parts[1]); |
|
| 110 | - $iv = Base64::urlDecode($parts[2]); |
|
| 111 | - $ciphertext = Base64::urlDecode($parts[3]); |
|
| 112 | - $auth_tag = Base64::urlDecode($parts[4]); |
|
| 113 | - return new self($header, $encrypted_key, $iv, $ciphertext, $auth_tag); |
|
| 114 | - } |
|
| 95 | + /** |
|
| 96 | + * Initialize from parts of compact serialization. |
|
| 97 | + * |
|
| 98 | + * @param array $parts |
|
| 99 | + * @throws \UnexpectedValueException |
|
| 100 | + * @return self |
|
| 101 | + */ |
|
| 102 | + public static function fromParts(array $parts) |
|
| 103 | + { |
|
| 104 | + if (count($parts) != 5) { |
|
| 105 | + throw new \UnexpectedValueException( |
|
| 106 | + "Invalid JWE compact serialization."); |
|
| 107 | + } |
|
| 108 | + $header = Header::fromJSON(Base64::urlDecode($parts[0])); |
|
| 109 | + $encrypted_key = Base64::urlDecode($parts[1]); |
|
| 110 | + $iv = Base64::urlDecode($parts[2]); |
|
| 111 | + $ciphertext = Base64::urlDecode($parts[3]); |
|
| 112 | + $auth_tag = Base64::urlDecode($parts[4]); |
|
| 113 | + return new self($header, $encrypted_key, $iv, $ciphertext, $auth_tag); |
|
| 114 | + } |
|
| 115 | 115 | |
| 116 | - /** |
|
| 117 | - * Initialize by encrypting the given payload. |
|
| 118 | - * |
|
| 119 | - * @param string $payload Payload |
|
| 120 | - * @param KeyManagementAlgorithm $key_algo Key management algorithm |
|
| 121 | - * @param ContentEncryptionAlgorithm $enc_algo Content encryption algorithm |
|
| 122 | - * @param CompressionAlgorithm|null $zip_algo Optional compression algorithm |
|
| 123 | - * @param Header|null $header Optional desired header. Algorithm specific |
|
| 124 | - * parameters are automatically added. |
|
| 125 | - * @param string|null $cek Optional content encryption key. Randomly |
|
| 126 | - * generated if not set. |
|
| 127 | - * @param string|null $iv Optional initialization vector. Randomly generated |
|
| 128 | - * if not set. |
|
| 129 | - * @throws \RuntimeException If encrypt fails |
|
| 130 | - * @return self |
|
| 131 | - */ |
|
| 132 | - public static function encrypt($payload, KeyManagementAlgorithm $key_algo, |
|
| 133 | - ContentEncryptionAlgorithm $enc_algo, |
|
| 134 | - CompressionAlgorithm $zip_algo = null, Header $header = null, $cek = null, $iv = null) |
|
| 135 | - { |
|
| 136 | - // if header was not given, initialize empty |
|
| 137 | - if (!isset($header)) { |
|
| 138 | - $header = new Header(); |
|
| 139 | - } |
|
| 140 | - // generate random CEK |
|
| 141 | - if (!isset($cek)) { |
|
| 142 | - $cek = $key_algo->cekForEncryption($enc_algo->keySize()); |
|
| 143 | - } |
|
| 144 | - // generate random IV |
|
| 145 | - if (!isset($iv)) { |
|
| 146 | - $iv = openssl_random_pseudo_bytes($enc_algo->ivSize()); |
|
| 147 | - } |
|
| 148 | - // compress |
|
| 149 | - if (isset($zip_algo)) { |
|
| 150 | - $payload = $zip_algo->compress($payload); |
|
| 151 | - $header = $header->withParameters(...$zip_algo->headerParameters()); |
|
| 152 | - } |
|
| 153 | - return self::_encryptContent($payload, $cek, $iv, $key_algo, $enc_algo, |
|
| 154 | - $header); |
|
| 155 | - } |
|
| 116 | + /** |
|
| 117 | + * Initialize by encrypting the given payload. |
|
| 118 | + * |
|
| 119 | + * @param string $payload Payload |
|
| 120 | + * @param KeyManagementAlgorithm $key_algo Key management algorithm |
|
| 121 | + * @param ContentEncryptionAlgorithm $enc_algo Content encryption algorithm |
|
| 122 | + * @param CompressionAlgorithm|null $zip_algo Optional compression algorithm |
|
| 123 | + * @param Header|null $header Optional desired header. Algorithm specific |
|
| 124 | + * parameters are automatically added. |
|
| 125 | + * @param string|null $cek Optional content encryption key. Randomly |
|
| 126 | + * generated if not set. |
|
| 127 | + * @param string|null $iv Optional initialization vector. Randomly generated |
|
| 128 | + * if not set. |
|
| 129 | + * @throws \RuntimeException If encrypt fails |
|
| 130 | + * @return self |
|
| 131 | + */ |
|
| 132 | + public static function encrypt($payload, KeyManagementAlgorithm $key_algo, |
|
| 133 | + ContentEncryptionAlgorithm $enc_algo, |
|
| 134 | + CompressionAlgorithm $zip_algo = null, Header $header = null, $cek = null, $iv = null) |
|
| 135 | + { |
|
| 136 | + // if header was not given, initialize empty |
|
| 137 | + if (!isset($header)) { |
|
| 138 | + $header = new Header(); |
|
| 139 | + } |
|
| 140 | + // generate random CEK |
|
| 141 | + if (!isset($cek)) { |
|
| 142 | + $cek = $key_algo->cekForEncryption($enc_algo->keySize()); |
|
| 143 | + } |
|
| 144 | + // generate random IV |
|
| 145 | + if (!isset($iv)) { |
|
| 146 | + $iv = openssl_random_pseudo_bytes($enc_algo->ivSize()); |
|
| 147 | + } |
|
| 148 | + // compress |
|
| 149 | + if (isset($zip_algo)) { |
|
| 150 | + $payload = $zip_algo->compress($payload); |
|
| 151 | + $header = $header->withParameters(...$zip_algo->headerParameters()); |
|
| 152 | + } |
|
| 153 | + return self::_encryptContent($payload, $cek, $iv, $key_algo, $enc_algo, |
|
| 154 | + $header); |
|
| 155 | + } |
|
| 156 | 156 | |
| 157 | - /** |
|
| 158 | - * Encrypt content with explicit parameters. |
|
| 159 | - * |
|
| 160 | - * @param string $plaintext Plaintext content to encrypt |
|
| 161 | - * @param string $cek Content encryption key |
|
| 162 | - * @param string $iv Initialization vector |
|
| 163 | - * @param KeyManagementAlgorithm $key_algo Key management algorithm |
|
| 164 | - * @param ContentEncryptionAlgorithm $enc_algo Content encryption algorithm |
|
| 165 | - * @param Header $header Header |
|
| 166 | - * @throws \UnexpectedValueException |
|
| 167 | - * @return self |
|
| 168 | - */ |
|
| 169 | - private static function _encryptContent($plaintext, $cek, $iv, |
|
| 170 | - KeyManagementAlgorithm $key_algo, ContentEncryptionAlgorithm $enc_algo, |
|
| 171 | - Header $header) |
|
| 172 | - { |
|
| 173 | - // check that content encryption key has correct size |
|
| 174 | - if (strlen($cek) != $enc_algo->keySize()) { |
|
| 175 | - throw new \UnexpectedValueException("Invalid key size."); |
|
| 176 | - } |
|
| 177 | - // check that initialization vector has correct size |
|
| 178 | - if (strlen($iv) != $enc_algo->ivSize()) { |
|
| 179 | - throw new \UnexpectedValueException("Invalid IV size."); |
|
| 180 | - } |
|
| 181 | - // add key and encryption algorithm parameters to the header |
|
| 182 | - $header = $header->withParameters(...$key_algo->headerParameters()) |
|
| 183 | - ->withParameters(...$enc_algo->headerParameters()); |
|
| 184 | - // encrypt the content encryption key |
|
| 185 | - $encrypted_key = $key_algo->encrypt($cek, $header); |
|
| 186 | - // sanity check that header wasn't unset via reference |
|
| 187 | - if (!$header instanceof Header) { |
|
| 188 | - throw new \RuntimeException("Broken key algorithm."); |
|
| 189 | - } |
|
| 190 | - // additional authenticated data |
|
| 191 | - $aad = Base64::urlEncode($header->toJSON()); |
|
| 192 | - // encrypt |
|
| 193 | - list($ciphertext, $auth_tag) = $enc_algo->encrypt($plaintext, $cek, $iv, |
|
| 194 | - $aad); |
|
| 195 | - return new self($header, $encrypted_key, $iv, $ciphertext, $auth_tag); |
|
| 196 | - } |
|
| 157 | + /** |
|
| 158 | + * Encrypt content with explicit parameters. |
|
| 159 | + * |
|
| 160 | + * @param string $plaintext Plaintext content to encrypt |
|
| 161 | + * @param string $cek Content encryption key |
|
| 162 | + * @param string $iv Initialization vector |
|
| 163 | + * @param KeyManagementAlgorithm $key_algo Key management algorithm |
|
| 164 | + * @param ContentEncryptionAlgorithm $enc_algo Content encryption algorithm |
|
| 165 | + * @param Header $header Header |
|
| 166 | + * @throws \UnexpectedValueException |
|
| 167 | + * @return self |
|
| 168 | + */ |
|
| 169 | + private static function _encryptContent($plaintext, $cek, $iv, |
|
| 170 | + KeyManagementAlgorithm $key_algo, ContentEncryptionAlgorithm $enc_algo, |
|
| 171 | + Header $header) |
|
| 172 | + { |
|
| 173 | + // check that content encryption key has correct size |
|
| 174 | + if (strlen($cek) != $enc_algo->keySize()) { |
|
| 175 | + throw new \UnexpectedValueException("Invalid key size."); |
|
| 176 | + } |
|
| 177 | + // check that initialization vector has correct size |
|
| 178 | + if (strlen($iv) != $enc_algo->ivSize()) { |
|
| 179 | + throw new \UnexpectedValueException("Invalid IV size."); |
|
| 180 | + } |
|
| 181 | + // add key and encryption algorithm parameters to the header |
|
| 182 | + $header = $header->withParameters(...$key_algo->headerParameters()) |
|
| 183 | + ->withParameters(...$enc_algo->headerParameters()); |
|
| 184 | + // encrypt the content encryption key |
|
| 185 | + $encrypted_key = $key_algo->encrypt($cek, $header); |
|
| 186 | + // sanity check that header wasn't unset via reference |
|
| 187 | + if (!$header instanceof Header) { |
|
| 188 | + throw new \RuntimeException("Broken key algorithm."); |
|
| 189 | + } |
|
| 190 | + // additional authenticated data |
|
| 191 | + $aad = Base64::urlEncode($header->toJSON()); |
|
| 192 | + // encrypt |
|
| 193 | + list($ciphertext, $auth_tag) = $enc_algo->encrypt($plaintext, $cek, $iv, |
|
| 194 | + $aad); |
|
| 195 | + return new self($header, $encrypted_key, $iv, $ciphertext, $auth_tag); |
|
| 196 | + } |
|
| 197 | 197 | |
| 198 | - /** |
|
| 199 | - * Decrypt the content using explicit algorithms. |
|
| 200 | - * |
|
| 201 | - * @param KeyManagementAlgorithm $key_algo |
|
| 202 | - * @param ContentEncryptionAlgorithm $enc_algo |
|
| 203 | - * @throws \RuntimeException If decrypt fails |
|
| 204 | - * @return string Plaintext payload |
|
| 205 | - */ |
|
| 206 | - public function decrypt(KeyManagementAlgorithm $key_algo, |
|
| 207 | - ContentEncryptionAlgorithm $enc_algo) |
|
| 208 | - { |
|
| 209 | - // check that key management algorithm matches |
|
| 210 | - if ($key_algo->algorithmParamValue() != $this->algorithmName()) { |
|
| 211 | - throw new \UnexpectedValueException( |
|
| 212 | - "Invalid key management algorithm."); |
|
| 213 | - } |
|
| 214 | - // check that encryption algorithm matches |
|
| 215 | - if ($enc_algo->encryptionAlgorithmParamValue() != |
|
| 216 | - $this->encryptionAlgorithmName()) { |
|
| 217 | - throw new \UnexpectedValueException("Invalid encryption algorithm."); |
|
| 218 | - } |
|
| 219 | - $header = $this->header(); |
|
| 220 | - // decrypt content encryption key |
|
| 221 | - $cek = $key_algo->decrypt($this->_encryptedKey, $header); |
|
| 222 | - // decrypt payload |
|
| 223 | - $aad = Base64::urlEncode($this->_protectedHeader->toJSON()); |
|
| 224 | - $payload = $enc_algo->decrypt($this->_ciphertext, $cek, $this->_iv, $aad, |
|
| 225 | - $this->_authenticationTag); |
|
| 226 | - // decompress |
|
| 227 | - if ($header->hasCompressionAlgorithm()) { |
|
| 228 | - $payload = CompressionFactory::algoByHeader($header)->decompress( |
|
| 229 | - $payload); |
|
| 230 | - } |
|
| 231 | - return $payload; |
|
| 232 | - } |
|
| 198 | + /** |
|
| 199 | + * Decrypt the content using explicit algorithms. |
|
| 200 | + * |
|
| 201 | + * @param KeyManagementAlgorithm $key_algo |
|
| 202 | + * @param ContentEncryptionAlgorithm $enc_algo |
|
| 203 | + * @throws \RuntimeException If decrypt fails |
|
| 204 | + * @return string Plaintext payload |
|
| 205 | + */ |
|
| 206 | + public function decrypt(KeyManagementAlgorithm $key_algo, |
|
| 207 | + ContentEncryptionAlgorithm $enc_algo) |
|
| 208 | + { |
|
| 209 | + // check that key management algorithm matches |
|
| 210 | + if ($key_algo->algorithmParamValue() != $this->algorithmName()) { |
|
| 211 | + throw new \UnexpectedValueException( |
|
| 212 | + "Invalid key management algorithm."); |
|
| 213 | + } |
|
| 214 | + // check that encryption algorithm matches |
|
| 215 | + if ($enc_algo->encryptionAlgorithmParamValue() != |
|
| 216 | + $this->encryptionAlgorithmName()) { |
|
| 217 | + throw new \UnexpectedValueException("Invalid encryption algorithm."); |
|
| 218 | + } |
|
| 219 | + $header = $this->header(); |
|
| 220 | + // decrypt content encryption key |
|
| 221 | + $cek = $key_algo->decrypt($this->_encryptedKey, $header); |
|
| 222 | + // decrypt payload |
|
| 223 | + $aad = Base64::urlEncode($this->_protectedHeader->toJSON()); |
|
| 224 | + $payload = $enc_algo->decrypt($this->_ciphertext, $cek, $this->_iv, $aad, |
|
| 225 | + $this->_authenticationTag); |
|
| 226 | + // decompress |
|
| 227 | + if ($header->hasCompressionAlgorithm()) { |
|
| 228 | + $payload = CompressionFactory::algoByHeader($header)->decompress( |
|
| 229 | + $payload); |
|
| 230 | + } |
|
| 231 | + return $payload; |
|
| 232 | + } |
|
| 233 | 233 | |
| 234 | - /** |
|
| 235 | - * Decrypt content using given JWK. |
|
| 236 | - * |
|
| 237 | - * Key management and content encryption algorithms are determined from the |
|
| 238 | - * header. |
|
| 239 | - * |
|
| 240 | - * @param JWK $jwk JSON Web Key |
|
| 241 | - * @throws \RuntimeException If algorithm initialization fails |
|
| 242 | - * @return string Plaintext payload |
|
| 243 | - */ |
|
| 244 | - public function decryptWithJWK(JWK $jwk) |
|
| 245 | - { |
|
| 246 | - $header = $this->header(); |
|
| 247 | - $key_algo = KeyManagementAlgorithm::fromJWK($jwk, $header); |
|
| 248 | - $enc_algo = EncryptionAlgorithmFactory::algoByHeader($header); |
|
| 249 | - return $this->decrypt($key_algo, $enc_algo); |
|
| 250 | - } |
|
| 234 | + /** |
|
| 235 | + * Decrypt content using given JWK. |
|
| 236 | + * |
|
| 237 | + * Key management and content encryption algorithms are determined from the |
|
| 238 | + * header. |
|
| 239 | + * |
|
| 240 | + * @param JWK $jwk JSON Web Key |
|
| 241 | + * @throws \RuntimeException If algorithm initialization fails |
|
| 242 | + * @return string Plaintext payload |
|
| 243 | + */ |
|
| 244 | + public function decryptWithJWK(JWK $jwk) |
|
| 245 | + { |
|
| 246 | + $header = $this->header(); |
|
| 247 | + $key_algo = KeyManagementAlgorithm::fromJWK($jwk, $header); |
|
| 248 | + $enc_algo = EncryptionAlgorithmFactory::algoByHeader($header); |
|
| 249 | + return $this->decrypt($key_algo, $enc_algo); |
|
| 250 | + } |
|
| 251 | 251 | |
| 252 | - /** |
|
| 253 | - * Decrypt content using a key from the given JWK set. |
|
| 254 | - * |
|
| 255 | - * Correct key shall be sought by the key ID indicated by the header. |
|
| 256 | - * |
|
| 257 | - * @param JWKSet $set Set of JSON Web Keys |
|
| 258 | - * @throws \RuntimeException If algorithm initialization fails |
|
| 259 | - * @return string Plaintext payload |
|
| 260 | - */ |
|
| 261 | - public function decryptWithJWKSet(JWKSet $set) |
|
| 262 | - { |
|
| 263 | - if (!count($set)) { |
|
| 264 | - throw new \RuntimeException("No keys."); |
|
| 265 | - } |
|
| 266 | - $header = $this->header(); |
|
| 267 | - $factory = new KeyAlgorithmFactory($header); |
|
| 268 | - $key_algo = $factory->algoByKeys($set); |
|
| 269 | - $enc_algo = EncryptionAlgorithmFactory::algoByHeader($header); |
|
| 270 | - return $this->decrypt($key_algo, $enc_algo); |
|
| 271 | - } |
|
| 252 | + /** |
|
| 253 | + * Decrypt content using a key from the given JWK set. |
|
| 254 | + * |
|
| 255 | + * Correct key shall be sought by the key ID indicated by the header. |
|
| 256 | + * |
|
| 257 | + * @param JWKSet $set Set of JSON Web Keys |
|
| 258 | + * @throws \RuntimeException If algorithm initialization fails |
|
| 259 | + * @return string Plaintext payload |
|
| 260 | + */ |
|
| 261 | + public function decryptWithJWKSet(JWKSet $set) |
|
| 262 | + { |
|
| 263 | + if (!count($set)) { |
|
| 264 | + throw new \RuntimeException("No keys."); |
|
| 265 | + } |
|
| 266 | + $header = $this->header(); |
|
| 267 | + $factory = new KeyAlgorithmFactory($header); |
|
| 268 | + $key_algo = $factory->algoByKeys($set); |
|
| 269 | + $enc_algo = EncryptionAlgorithmFactory::algoByHeader($header); |
|
| 270 | + return $this->decrypt($key_algo, $enc_algo); |
|
| 271 | + } |
|
| 272 | 272 | |
| 273 | - /** |
|
| 274 | - * Get JOSE header. |
|
| 275 | - * |
|
| 276 | - * @return JOSE |
|
| 277 | - */ |
|
| 278 | - public function header() |
|
| 279 | - { |
|
| 280 | - return new JOSE($this->_protectedHeader); |
|
| 281 | - } |
|
| 273 | + /** |
|
| 274 | + * Get JOSE header. |
|
| 275 | + * |
|
| 276 | + * @return JOSE |
|
| 277 | + */ |
|
| 278 | + public function header() |
|
| 279 | + { |
|
| 280 | + return new JOSE($this->_protectedHeader); |
|
| 281 | + } |
|
| 282 | 282 | |
| 283 | - /** |
|
| 284 | - * Get the name of the key management algorithm. |
|
| 285 | - * |
|
| 286 | - * @return string |
|
| 287 | - */ |
|
| 288 | - public function algorithmName() |
|
| 289 | - { |
|
| 290 | - return $this->header() |
|
| 291 | - ->algorithm() |
|
| 292 | - ->value(); |
|
| 293 | - } |
|
| 283 | + /** |
|
| 284 | + * Get the name of the key management algorithm. |
|
| 285 | + * |
|
| 286 | + * @return string |
|
| 287 | + */ |
|
| 288 | + public function algorithmName() |
|
| 289 | + { |
|
| 290 | + return $this->header() |
|
| 291 | + ->algorithm() |
|
| 292 | + ->value(); |
|
| 293 | + } |
|
| 294 | 294 | |
| 295 | - /** |
|
| 296 | - * Get the name of the encryption algorithm. |
|
| 297 | - * |
|
| 298 | - * @return string |
|
| 299 | - */ |
|
| 300 | - public function encryptionAlgorithmName() |
|
| 301 | - { |
|
| 302 | - return $this->header() |
|
| 303 | - ->encryptionAlgorithm() |
|
| 304 | - ->value(); |
|
| 305 | - } |
|
| 295 | + /** |
|
| 296 | + * Get the name of the encryption algorithm. |
|
| 297 | + * |
|
| 298 | + * @return string |
|
| 299 | + */ |
|
| 300 | + public function encryptionAlgorithmName() |
|
| 301 | + { |
|
| 302 | + return $this->header() |
|
| 303 | + ->encryptionAlgorithm() |
|
| 304 | + ->value(); |
|
| 305 | + } |
|
| 306 | 306 | |
| 307 | - /** |
|
| 308 | - * Get encrypted CEK. |
|
| 309 | - * |
|
| 310 | - * @return string |
|
| 311 | - */ |
|
| 312 | - public function encryptedKey() |
|
| 313 | - { |
|
| 314 | - return $this->_encryptedKey; |
|
| 315 | - } |
|
| 307 | + /** |
|
| 308 | + * Get encrypted CEK. |
|
| 309 | + * |
|
| 310 | + * @return string |
|
| 311 | + */ |
|
| 312 | + public function encryptedKey() |
|
| 313 | + { |
|
| 314 | + return $this->_encryptedKey; |
|
| 315 | + } |
|
| 316 | 316 | |
| 317 | - /** |
|
| 318 | - * Get initialization vector. |
|
| 319 | - * |
|
| 320 | - * @return string |
|
| 321 | - */ |
|
| 322 | - public function initializationVector() |
|
| 323 | - { |
|
| 324 | - return $this->_iv; |
|
| 325 | - } |
|
| 317 | + /** |
|
| 318 | + * Get initialization vector. |
|
| 319 | + * |
|
| 320 | + * @return string |
|
| 321 | + */ |
|
| 322 | + public function initializationVector() |
|
| 323 | + { |
|
| 324 | + return $this->_iv; |
|
| 325 | + } |
|
| 326 | 326 | |
| 327 | - /** |
|
| 328 | - * Get ciphertext. |
|
| 329 | - * |
|
| 330 | - * @return string |
|
| 331 | - */ |
|
| 332 | - public function ciphertext() |
|
| 333 | - { |
|
| 334 | - return $this->_ciphertext; |
|
| 335 | - } |
|
| 327 | + /** |
|
| 328 | + * Get ciphertext. |
|
| 329 | + * |
|
| 330 | + * @return string |
|
| 331 | + */ |
|
| 332 | + public function ciphertext() |
|
| 333 | + { |
|
| 334 | + return $this->_ciphertext; |
|
| 335 | + } |
|
| 336 | 336 | |
| 337 | - /** |
|
| 338 | - * Get authentication tag. |
|
| 339 | - * |
|
| 340 | - * @return string |
|
| 341 | - */ |
|
| 342 | - public function authenticationTag() |
|
| 343 | - { |
|
| 344 | - return $this->_authenticationTag; |
|
| 345 | - } |
|
| 337 | + /** |
|
| 338 | + * Get authentication tag. |
|
| 339 | + * |
|
| 340 | + * @return string |
|
| 341 | + */ |
|
| 342 | + public function authenticationTag() |
|
| 343 | + { |
|
| 344 | + return $this->_authenticationTag; |
|
| 345 | + } |
|
| 346 | 346 | |
| 347 | - /** |
|
| 348 | - * Convert to compact serialization. |
|
| 349 | - * |
|
| 350 | - * @return string |
|
| 351 | - */ |
|
| 352 | - public function toCompact() |
|
| 353 | - { |
|
| 354 | - return Base64::urlEncode($this->_protectedHeader->toJSON()) . "." . |
|
| 355 | - Base64::urlEncode($this->_encryptedKey) . "." . |
|
| 356 | - Base64::urlEncode($this->_iv) . "." . |
|
| 357 | - Base64::urlEncode($this->_ciphertext) . "." . |
|
| 358 | - Base64::urlEncode($this->_authenticationTag); |
|
| 359 | - } |
|
| 347 | + /** |
|
| 348 | + * Convert to compact serialization. |
|
| 349 | + * |
|
| 350 | + * @return string |
|
| 351 | + */ |
|
| 352 | + public function toCompact() |
|
| 353 | + { |
|
| 354 | + return Base64::urlEncode($this->_protectedHeader->toJSON()) . "." . |
|
| 355 | + Base64::urlEncode($this->_encryptedKey) . "." . |
|
| 356 | + Base64::urlEncode($this->_iv) . "." . |
|
| 357 | + Base64::urlEncode($this->_ciphertext) . "." . |
|
| 358 | + Base64::urlEncode($this->_authenticationTag); |
|
| 359 | + } |
|
| 360 | 360 | |
| 361 | - /** |
|
| 362 | - * Convert JWE to string. |
|
| 363 | - * |
|
| 364 | - * @return string |
|
| 365 | - */ |
|
| 366 | - public function __toString() |
|
| 367 | - { |
|
| 368 | - return $this->toCompact(); |
|
| 369 | - } |
|
| 361 | + /** |
|
| 362 | + * Convert JWE to string. |
|
| 363 | + * |
|
| 364 | + * @return string |
|
| 365 | + */ |
|
| 366 | + public function __toString() |
|
| 367 | + { |
|
| 368 | + return $this->toCompact(); |
|
| 369 | + } |
|
| 370 | 370 | } |
@@ -12,92 +12,92 @@ |
||
| 12 | 12 | */ |
| 13 | 13 | class KeyAlgorithmFactory |
| 14 | 14 | { |
| 15 | - /** |
|
| 16 | - * Header. |
|
| 17 | - * |
|
| 18 | - * @var Header $_header |
|
| 19 | - */ |
|
| 20 | - protected $_header; |
|
| 15 | + /** |
|
| 16 | + * Header. |
|
| 17 | + * |
|
| 18 | + * @var Header $_header |
|
| 19 | + */ |
|
| 20 | + protected $_header; |
|
| 21 | 21 | |
| 22 | - /** |
|
| 23 | - * Mapping from algorithm name to class name. |
|
| 24 | - * |
|
| 25 | - * @internal |
|
| 26 | - * |
|
| 27 | - * @var array |
|
| 28 | - */ |
|
| 29 | - const MAP_ALGO_TO_CLASS = array( |
|
| 30 | - /* @formatter:off */ |
|
| 31 | - JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
| 32 | - JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
| 33 | - JWA::ALGO_A128KW => A256KWAlgorithm::class, |
|
| 34 | - JWA::ALGO_A128GCMKW => A128GCMKWAlgorithm::class, |
|
| 35 | - JWA::ALGO_A192GCMKW => A192GCMKWAlgorithm::class, |
|
| 36 | - JWA::ALGO_A256GCMKW => A256GCMKWAlgorithm::class, |
|
| 37 | - JWA::ALGO_PBES2_HS256_A128KW => PBES2HS256A128KWAlgorithm::class, |
|
| 38 | - JWA::ALGO_PBES2_HS384_A192KW => PBES2HS384A192KWAlgorithm::class, |
|
| 39 | - JWA::ALGO_PBES2_HS512_A256KW => PBES2HS512A256KWAlgorithm::class, |
|
| 40 | - JWA::ALGO_DIR => DirectCEKAlgorithm::class, |
|
| 41 | - JWA::ALGO_RSA1_5 => RSAESPKCS1Algorithm::class, |
|
| 42 | - JWA::ALGO_RSA_OAEP => RSAESOAEPAlgorithm::class |
|
| 43 | - /* @formatter:on */ |
|
| 44 | - ); |
|
| 22 | + /** |
|
| 23 | + * Mapping from algorithm name to class name. |
|
| 24 | + * |
|
| 25 | + * @internal |
|
| 26 | + * |
|
| 27 | + * @var array |
|
| 28 | + */ |
|
| 29 | + const MAP_ALGO_TO_CLASS = array( |
|
| 30 | + /* @formatter:off */ |
|
| 31 | + JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
| 32 | + JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
| 33 | + JWA::ALGO_A128KW => A256KWAlgorithm::class, |
|
| 34 | + JWA::ALGO_A128GCMKW => A128GCMKWAlgorithm::class, |
|
| 35 | + JWA::ALGO_A192GCMKW => A192GCMKWAlgorithm::class, |
|
| 36 | + JWA::ALGO_A256GCMKW => A256GCMKWAlgorithm::class, |
|
| 37 | + JWA::ALGO_PBES2_HS256_A128KW => PBES2HS256A128KWAlgorithm::class, |
|
| 38 | + JWA::ALGO_PBES2_HS384_A192KW => PBES2HS384A192KWAlgorithm::class, |
|
| 39 | + JWA::ALGO_PBES2_HS512_A256KW => PBES2HS512A256KWAlgorithm::class, |
|
| 40 | + JWA::ALGO_DIR => DirectCEKAlgorithm::class, |
|
| 41 | + JWA::ALGO_RSA1_5 => RSAESPKCS1Algorithm::class, |
|
| 42 | + JWA::ALGO_RSA_OAEP => RSAESOAEPAlgorithm::class |
|
| 43 | + /* @formatter:on */ |
|
| 44 | + ); |
|
| 45 | 45 | |
| 46 | - /** |
|
| 47 | - * Constructor. |
|
| 48 | - * |
|
| 49 | - * @param Header $header |
|
| 50 | - */ |
|
| 51 | - public function __construct(Header $header) |
|
| 52 | - { |
|
| 53 | - $this->_header = $header; |
|
| 54 | - } |
|
| 46 | + /** |
|
| 47 | + * Constructor. |
|
| 48 | + * |
|
| 49 | + * @param Header $header |
|
| 50 | + */ |
|
| 51 | + public function __construct(Header $header) |
|
| 52 | + { |
|
| 53 | + $this->_header = $header; |
|
| 54 | + } |
|
| 55 | 55 | |
| 56 | - /** |
|
| 57 | - * Get key management algorithm by given JWK. |
|
| 58 | - * |
|
| 59 | - * @param JWK $jwk |
|
| 60 | - * @return \JWX\JWE\KeyManagementAlgorithm |
|
| 61 | - */ |
|
| 62 | - public function algoByKey(JWK $jwk) |
|
| 63 | - { |
|
| 64 | - $alg = JWA::deriveAlgorithmName($this->_header, $jwk); |
|
| 65 | - $cls = self::_algoClassByName($alg); |
|
| 66 | - return $cls::fromJWK($jwk, $this->_header); |
|
| 67 | - } |
|
| 56 | + /** |
|
| 57 | + * Get key management algorithm by given JWK. |
|
| 58 | + * |
|
| 59 | + * @param JWK $jwk |
|
| 60 | + * @return \JWX\JWE\KeyManagementAlgorithm |
|
| 61 | + */ |
|
| 62 | + public function algoByKey(JWK $jwk) |
|
| 63 | + { |
|
| 64 | + $alg = JWA::deriveAlgorithmName($this->_header, $jwk); |
|
| 65 | + $cls = self::_algoClassByName($alg); |
|
| 66 | + return $cls::fromJWK($jwk, $this->_header); |
|
| 67 | + } |
|
| 68 | 68 | |
| 69 | - /** |
|
| 70 | - * Get key management algorithm using a matching key from given JWK set. |
|
| 71 | - * |
|
| 72 | - * @param JWKSet $set |
|
| 73 | - * @throws \UnexpectedValueException If a key cannot be found |
|
| 74 | - * @return \JWX\JWE\KeyManagementAlgorithm |
|
| 75 | - */ |
|
| 76 | - public function algoByKeys(JWKSet $set) |
|
| 77 | - { |
|
| 78 | - if (!$this->_header->hasKeyID()) { |
|
| 79 | - throw new \UnexpectedValueException("No key ID paremeter."); |
|
| 80 | - } |
|
| 81 | - $id = $this->_header->keyID()->value(); |
|
| 82 | - if (!$set->hasKeyID($id)) { |
|
| 83 | - throw new \UnexpectedValueException("No key for ID '$id'."); |
|
| 84 | - } |
|
| 85 | - return $this->algoByKey($set->keyByID($id)); |
|
| 86 | - } |
|
| 69 | + /** |
|
| 70 | + * Get key management algorithm using a matching key from given JWK set. |
|
| 71 | + * |
|
| 72 | + * @param JWKSet $set |
|
| 73 | + * @throws \UnexpectedValueException If a key cannot be found |
|
| 74 | + * @return \JWX\JWE\KeyManagementAlgorithm |
|
| 75 | + */ |
|
| 76 | + public function algoByKeys(JWKSet $set) |
|
| 77 | + { |
|
| 78 | + if (!$this->_header->hasKeyID()) { |
|
| 79 | + throw new \UnexpectedValueException("No key ID paremeter."); |
|
| 80 | + } |
|
| 81 | + $id = $this->_header->keyID()->value(); |
|
| 82 | + if (!$set->hasKeyID($id)) { |
|
| 83 | + throw new \UnexpectedValueException("No key for ID '$id'."); |
|
| 84 | + } |
|
| 85 | + return $this->algoByKey($set->keyByID($id)); |
|
| 86 | + } |
|
| 87 | 87 | |
| 88 | - /** |
|
| 89 | - * Get the algorithm implementation class name by an algorithm name. |
|
| 90 | - * |
|
| 91 | - * @param string $alg Algorithm name |
|
| 92 | - * @throws \UnexpectedValueException |
|
| 93 | - * @return string Class name |
|
| 94 | - */ |
|
| 95 | - private static function _algoClassByName($alg) |
|
| 96 | - { |
|
| 97 | - if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
| 98 | - throw new \UnexpectedValueException( |
|
| 99 | - "Algorithm '$alg' not supported."); |
|
| 100 | - } |
|
| 101 | - return self::MAP_ALGO_TO_CLASS[$alg]; |
|
| 102 | - } |
|
| 88 | + /** |
|
| 89 | + * Get the algorithm implementation class name by an algorithm name. |
|
| 90 | + * |
|
| 91 | + * @param string $alg Algorithm name |
|
| 92 | + * @throws \UnexpectedValueException |
|
| 93 | + * @return string Class name |
|
| 94 | + */ |
|
| 95 | + private static function _algoClassByName($alg) |
|
| 96 | + { |
|
| 97 | + if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
| 98 | + throw new \UnexpectedValueException( |
|
| 99 | + "Algorithm '$alg' not supported."); |
|
| 100 | + } |
|
| 101 | + return self::MAP_ALGO_TO_CLASS[$alg]; |
|
| 102 | + } |
|
| 103 | 103 | } |
@@ -16,104 +16,104 @@ |
||
| 16 | 16 | */ |
| 17 | 17 | class DirectCEKAlgorithm extends KeyManagementAlgorithm |
| 18 | 18 | { |
| 19 | - /** |
|
| 20 | - * Content encryption key. |
|
| 21 | - * |
|
| 22 | - * @var string $_cek |
|
| 23 | - */ |
|
| 24 | - protected $_cek; |
|
| 19 | + /** |
|
| 20 | + * Content encryption key. |
|
| 21 | + * |
|
| 22 | + * @var string $_cek |
|
| 23 | + */ |
|
| 24 | + protected $_cek; |
|
| 25 | 25 | |
| 26 | - /** |
|
| 27 | - * Constructor. |
|
| 28 | - * |
|
| 29 | - * @param string $cek Content encryption key |
|
| 30 | - */ |
|
| 31 | - public function __construct($cek) |
|
| 32 | - { |
|
| 33 | - $this->_cek = $cek; |
|
| 34 | - } |
|
| 26 | + /** |
|
| 27 | + * Constructor. |
|
| 28 | + * |
|
| 29 | + * @param string $cek Content encryption key |
|
| 30 | + */ |
|
| 31 | + public function __construct($cek) |
|
| 32 | + { |
|
| 33 | + $this->_cek = $cek; |
|
| 34 | + } |
|
| 35 | 35 | |
| 36 | - /** |
|
| 37 | - * |
|
| 38 | - * @param JWK $jwk |
|
| 39 | - * @param Header $header |
|
| 40 | - * @throws \UnexpectedValueException |
|
| 41 | - * @return self |
|
| 42 | - */ |
|
| 43 | - public static function fromJWK(JWK $jwk, Header $header) |
|
| 44 | - { |
|
| 45 | - $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
| 46 | - $alg = JWA::deriveAlgorithmName($header); |
|
| 47 | - if ($alg != JWA::ALGO_DIR) { |
|
| 48 | - throw new \UnexpectedValueException("Invalid algorithm '$alg'."); |
|
| 49 | - } |
|
| 50 | - return new self($jwk->key()); |
|
| 51 | - } |
|
| 36 | + /** |
|
| 37 | + * |
|
| 38 | + * @param JWK $jwk |
|
| 39 | + * @param Header $header |
|
| 40 | + * @throws \UnexpectedValueException |
|
| 41 | + * @return self |
|
| 42 | + */ |
|
| 43 | + public static function fromJWK(JWK $jwk, Header $header) |
|
| 44 | + { |
|
| 45 | + $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
| 46 | + $alg = JWA::deriveAlgorithmName($header); |
|
| 47 | + if ($alg != JWA::ALGO_DIR) { |
|
| 48 | + throw new \UnexpectedValueException("Invalid algorithm '$alg'."); |
|
| 49 | + } |
|
| 50 | + return new self($jwk->key()); |
|
| 51 | + } |
|
| 52 | 52 | |
| 53 | - /** |
|
| 54 | - * Get content encryption key. |
|
| 55 | - * |
|
| 56 | - * @return string |
|
| 57 | - */ |
|
| 58 | - public function cek() |
|
| 59 | - { |
|
| 60 | - return $this->_cek; |
|
| 61 | - } |
|
| 53 | + /** |
|
| 54 | + * Get content encryption key. |
|
| 55 | + * |
|
| 56 | + * @return string |
|
| 57 | + */ |
|
| 58 | + public function cek() |
|
| 59 | + { |
|
| 60 | + return $this->_cek; |
|
| 61 | + } |
|
| 62 | 62 | |
| 63 | - /** |
|
| 64 | - * |
|
| 65 | - * {@inheritdoc} |
|
| 66 | - */ |
|
| 67 | - protected function _encryptKey($key, Header &$header) |
|
| 68 | - { |
|
| 69 | - if ($key != $this->_cek) { |
|
| 70 | - throw new \LogicException("Content encryption key doesn't match."); |
|
| 71 | - } |
|
| 72 | - return ""; |
|
| 73 | - } |
|
| 63 | + /** |
|
| 64 | + * |
|
| 65 | + * {@inheritdoc} |
|
| 66 | + */ |
|
| 67 | + protected function _encryptKey($key, Header &$header) |
|
| 68 | + { |
|
| 69 | + if ($key != $this->_cek) { |
|
| 70 | + throw new \LogicException("Content encryption key doesn't match."); |
|
| 71 | + } |
|
| 72 | + return ""; |
|
| 73 | + } |
|
| 74 | 74 | |
| 75 | - /** |
|
| 76 | - * |
|
| 77 | - * {@inheritdoc} |
|
| 78 | - */ |
|
| 79 | - protected function _decryptKey($ciphertext, Header $header) |
|
| 80 | - { |
|
| 81 | - if ($ciphertext !== "") { |
|
| 82 | - throw new \UnexpectedValueException( |
|
| 83 | - "Encrypted key must be an empty octet sequence."); |
|
| 84 | - } |
|
| 85 | - return $this->_cek; |
|
| 86 | - } |
|
| 75 | + /** |
|
| 76 | + * |
|
| 77 | + * {@inheritdoc} |
|
| 78 | + */ |
|
| 79 | + protected function _decryptKey($ciphertext, Header $header) |
|
| 80 | + { |
|
| 81 | + if ($ciphertext !== "") { |
|
| 82 | + throw new \UnexpectedValueException( |
|
| 83 | + "Encrypted key must be an empty octet sequence."); |
|
| 84 | + } |
|
| 85 | + return $this->_cek; |
|
| 86 | + } |
|
| 87 | 87 | |
| 88 | - /** |
|
| 89 | - * |
|
| 90 | - * {@inheritdoc} |
|
| 91 | - */ |
|
| 92 | - public function cekForEncryption($length) |
|
| 93 | - { |
|
| 94 | - if (strlen($this->_cek) != $length) { |
|
| 95 | - throw new \UnexpectedValueException("Invalid key length."); |
|
| 96 | - } |
|
| 97 | - return $this->_cek; |
|
| 98 | - } |
|
| 88 | + /** |
|
| 89 | + * |
|
| 90 | + * {@inheritdoc} |
|
| 91 | + */ |
|
| 92 | + public function cekForEncryption($length) |
|
| 93 | + { |
|
| 94 | + if (strlen($this->_cek) != $length) { |
|
| 95 | + throw new \UnexpectedValueException("Invalid key length."); |
|
| 96 | + } |
|
| 97 | + return $this->_cek; |
|
| 98 | + } |
|
| 99 | 99 | |
| 100 | - /** |
|
| 101 | - * |
|
| 102 | - * {@inheritdoc} |
|
| 103 | - */ |
|
| 104 | - public function algorithmParamValue() |
|
| 105 | - { |
|
| 106 | - return JWA::ALGO_DIR; |
|
| 107 | - } |
|
| 100 | + /** |
|
| 101 | + * |
|
| 102 | + * {@inheritdoc} |
|
| 103 | + */ |
|
| 104 | + public function algorithmParamValue() |
|
| 105 | + { |
|
| 106 | + return JWA::ALGO_DIR; |
|
| 107 | + } |
|
| 108 | 108 | |
| 109 | - /** |
|
| 110 | - * |
|
| 111 | - * @see \JWX\JWE\KeyManagementAlgorithm::headerParameters() |
|
| 112 | - * @return \JWX\JWT\Parameter\JWTParameter[] |
|
| 113 | - */ |
|
| 114 | - public function headerParameters() |
|
| 115 | - { |
|
| 116 | - return array_merge(parent::headerParameters(), |
|
| 117 | - array(AlgorithmParameter::fromAlgorithm($this))); |
|
| 118 | - } |
|
| 109 | + /** |
|
| 110 | + * |
|
| 111 | + * @see \JWX\JWE\KeyManagementAlgorithm::headerParameters() |
|
| 112 | + * @return \JWX\JWT\Parameter\JWTParameter[] |
|
| 113 | + */ |
|
| 114 | + public function headerParameters() |
|
| 115 | + { |
|
| 116 | + return array_merge(parent::headerParameters(), |
|
| 117 | + array(AlgorithmParameter::fromAlgorithm($this))); |
|
| 118 | + } |
|
| 119 | 119 | } |
@@ -64,7 +64,7 @@ |
||
| 64 | 64 | * |
| 65 | 65 | * {@inheritdoc} |
| 66 | 66 | */ |
| 67 | - protected function _encryptKey($key, Header &$header) |
|
| 67 | + protected function _encryptKey($key, Header&$header) |
|
| 68 | 68 | { |
| 69 | 69 | if ($key != $this->_cek) { |
| 70 | 70 | throw new \LogicException("Content encryption key doesn't match."); |
@@ -12,39 +12,39 @@ |
||
| 12 | 12 | */ |
| 13 | 13 | class PBES2HS384A192KWAlgorithm extends PBES2Algorithm |
| 14 | 14 | { |
| 15 | - /** |
|
| 16 | - * |
|
| 17 | - * {@inheritdoc} |
|
| 18 | - */ |
|
| 19 | - protected function _hashAlgo() |
|
| 20 | - { |
|
| 21 | - return "sha384"; |
|
| 22 | - } |
|
| 15 | + /** |
|
| 16 | + * |
|
| 17 | + * {@inheritdoc} |
|
| 18 | + */ |
|
| 19 | + protected function _hashAlgo() |
|
| 20 | + { |
|
| 21 | + return "sha384"; |
|
| 22 | + } |
|
| 23 | 23 | |
| 24 | - /** |
|
| 25 | - * |
|
| 26 | - * {@inheritdoc} |
|
| 27 | - */ |
|
| 28 | - protected function _keyLength() |
|
| 29 | - { |
|
| 30 | - return 24; |
|
| 31 | - } |
|
| 24 | + /** |
|
| 25 | + * |
|
| 26 | + * {@inheritdoc} |
|
| 27 | + */ |
|
| 28 | + protected function _keyLength() |
|
| 29 | + { |
|
| 30 | + return 24; |
|
| 31 | + } |
|
| 32 | 32 | |
| 33 | - /** |
|
| 34 | - * |
|
| 35 | - * {@inheritdoc} |
|
| 36 | - */ |
|
| 37 | - protected function _kwAlgo() |
|
| 38 | - { |
|
| 39 | - return new AESKW192(); |
|
| 40 | - } |
|
| 33 | + /** |
|
| 34 | + * |
|
| 35 | + * {@inheritdoc} |
|
| 36 | + */ |
|
| 37 | + protected function _kwAlgo() |
|
| 38 | + { |
|
| 39 | + return new AESKW192(); |
|
| 40 | + } |
|
| 41 | 41 | |
| 42 | - /** |
|
| 43 | - * |
|
| 44 | - * {@inheritdoc} |
|
| 45 | - */ |
|
| 46 | - public function algorithmParamValue() |
|
| 47 | - { |
|
| 48 | - return JWA::ALGO_PBES2_HS384_A192KW; |
|
| 49 | - } |
|
| 42 | + /** |
|
| 43 | + * |
|
| 44 | + * {@inheritdoc} |
|
| 45 | + */ |
|
| 46 | + public function algorithmParamValue() |
|
| 47 | + { |
|
| 48 | + return JWA::ALGO_PBES2_HS384_A192KW; |
|
| 49 | + } |
|
| 50 | 50 | } |
@@ -12,30 +12,30 @@ |
||
| 12 | 12 | */ |
| 13 | 13 | class A192GCMKWAlgorithm extends AESGCMKWAlgorithm |
| 14 | 14 | { |
| 15 | - /** |
|
| 16 | - * |
|
| 17 | - * {@inheritdoc} |
|
| 18 | - */ |
|
| 19 | - protected function _getGCMCipher() |
|
| 20 | - { |
|
| 21 | - return new AES192Cipher(); |
|
| 22 | - } |
|
| 15 | + /** |
|
| 16 | + * |
|
| 17 | + * {@inheritdoc} |
|
| 18 | + */ |
|
| 19 | + protected function _getGCMCipher() |
|
| 20 | + { |
|
| 21 | + return new AES192Cipher(); |
|
| 22 | + } |
|
| 23 | 23 | |
| 24 | - /** |
|
| 25 | - * |
|
| 26 | - * {@inheritdoc} |
|
| 27 | - */ |
|
| 28 | - protected function _keySize() |
|
| 29 | - { |
|
| 30 | - return 24; |
|
| 31 | - } |
|
| 24 | + /** |
|
| 25 | + * |
|
| 26 | + * {@inheritdoc} |
|
| 27 | + */ |
|
| 28 | + protected function _keySize() |
|
| 29 | + { |
|
| 30 | + return 24; |
|
| 31 | + } |
|
| 32 | 32 | |
| 33 | - /** |
|
| 34 | - * |
|
| 35 | - * {@inheritdoc} |
|
| 36 | - */ |
|
| 37 | - public function algorithmParamValue() |
|
| 38 | - { |
|
| 39 | - return JWA::ALGO_A192GCMKW; |
|
| 40 | - } |
|
| 33 | + /** |
|
| 34 | + * |
|
| 35 | + * {@inheritdoc} |
|
| 36 | + */ |
|
| 37 | + public function algorithmParamValue() |
|
| 38 | + { |
|
| 39 | + return JWA::ALGO_A192GCMKW; |
|
| 40 | + } |
|
| 41 | 41 | } |
@@ -17,124 +17,124 @@ |
||
| 17 | 17 | */ |
| 18 | 18 | abstract class AESKWAlgorithm extends KeyManagementAlgorithm |
| 19 | 19 | { |
| 20 | - use RandomCEK; |
|
| 20 | + use RandomCEK; |
|
| 21 | 21 | |
| 22 | - /** |
|
| 23 | - * Key encryption key. |
|
| 24 | - * |
|
| 25 | - * @var string $_kek |
|
| 26 | - */ |
|
| 27 | - protected $_kek; |
|
| 22 | + /** |
|
| 23 | + * Key encryption key. |
|
| 24 | + * |
|
| 25 | + * @var string $_kek |
|
| 26 | + */ |
|
| 27 | + protected $_kek; |
|
| 28 | 28 | |
| 29 | - /** |
|
| 30 | - * Key wrapping algorithm. |
|
| 31 | - * |
|
| 32 | - * Lazily initialized. |
|
| 33 | - * |
|
| 34 | - * @var \AESKW\AESKeyWrapAlgorithm|null $_kw |
|
| 35 | - */ |
|
| 36 | - protected $_kw; |
|
| 29 | + /** |
|
| 30 | + * Key wrapping algorithm. |
|
| 31 | + * |
|
| 32 | + * Lazily initialized. |
|
| 33 | + * |
|
| 34 | + * @var \AESKW\AESKeyWrapAlgorithm|null $_kw |
|
| 35 | + */ |
|
| 36 | + protected $_kw; |
|
| 37 | 37 | |
| 38 | - /** |
|
| 39 | - * Mapping from algorithm name to class name. |
|
| 40 | - * |
|
| 41 | - * @internal |
|
| 42 | - * |
|
| 43 | - * @var array |
|
| 44 | - */ |
|
| 45 | - const MAP_ALGO_TO_CLASS = array( |
|
| 46 | - /* @formatter:off */ |
|
| 47 | - JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
| 48 | - JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
| 49 | - JWA::ALGO_A256KW => A256KWAlgorithm::class |
|
| 50 | - /* @formatter:on */ |
|
| 51 | - ); |
|
| 38 | + /** |
|
| 39 | + * Mapping from algorithm name to class name. |
|
| 40 | + * |
|
| 41 | + * @internal |
|
| 42 | + * |
|
| 43 | + * @var array |
|
| 44 | + */ |
|
| 45 | + const MAP_ALGO_TO_CLASS = array( |
|
| 46 | + /* @formatter:off */ |
|
| 47 | + JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
| 48 | + JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
| 49 | + JWA::ALGO_A256KW => A256KWAlgorithm::class |
|
| 50 | + /* @formatter:on */ |
|
| 51 | + ); |
|
| 52 | 52 | |
| 53 | - /** |
|
| 54 | - * Get the size of the key encryption key in bytes. |
|
| 55 | - * |
|
| 56 | - * @return int |
|
| 57 | - */ |
|
| 58 | - abstract protected function _kekSize(); |
|
| 53 | + /** |
|
| 54 | + * Get the size of the key encryption key in bytes. |
|
| 55 | + * |
|
| 56 | + * @return int |
|
| 57 | + */ |
|
| 58 | + abstract protected function _kekSize(); |
|
| 59 | 59 | |
| 60 | - /** |
|
| 61 | - * Get key wrapping algorithm instance. |
|
| 62 | - * |
|
| 63 | - * @return \AESKW\AESKeyWrapAlgorithm |
|
| 64 | - */ |
|
| 65 | - abstract protected function _AESKWAlgo(); |
|
| 60 | + /** |
|
| 61 | + * Get key wrapping algorithm instance. |
|
| 62 | + * |
|
| 63 | + * @return \AESKW\AESKeyWrapAlgorithm |
|
| 64 | + */ |
|
| 65 | + abstract protected function _AESKWAlgo(); |
|
| 66 | 66 | |
| 67 | - /** |
|
| 68 | - * Constructor. |
|
| 69 | - * |
|
| 70 | - * @param string $kek Key encryption key |
|
| 71 | - */ |
|
| 72 | - public function __construct($kek) |
|
| 73 | - { |
|
| 74 | - if (strlen($kek) != $this->_kekSize()) { |
|
| 75 | - throw new \LengthException( |
|
| 76 | - "Key encryption key must be " . $this->_kekSize() . " bytes."); |
|
| 77 | - } |
|
| 78 | - $this->_kek = $kek; |
|
| 79 | - } |
|
| 67 | + /** |
|
| 68 | + * Constructor. |
|
| 69 | + * |
|
| 70 | + * @param string $kek Key encryption key |
|
| 71 | + */ |
|
| 72 | + public function __construct($kek) |
|
| 73 | + { |
|
| 74 | + if (strlen($kek) != $this->_kekSize()) { |
|
| 75 | + throw new \LengthException( |
|
| 76 | + "Key encryption key must be " . $this->_kekSize() . " bytes."); |
|
| 77 | + } |
|
| 78 | + $this->_kek = $kek; |
|
| 79 | + } |
|
| 80 | 80 | |
| 81 | - /** |
|
| 82 | - * |
|
| 83 | - * @param JWK $jwk |
|
| 84 | - * @param Header $header |
|
| 85 | - * @throws \UnexpectedValueException |
|
| 86 | - * @return AESKWAlgorithm |
|
| 87 | - */ |
|
| 88 | - public static function fromJWK(JWK $jwk, Header $header) |
|
| 89 | - { |
|
| 90 | - $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
| 91 | - $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
| 92 | - if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
| 93 | - throw new \UnexpectedValueException("Unsupported algorithm '$alg'."); |
|
| 94 | - } |
|
| 95 | - $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
| 96 | - return new $cls($jwk->key()); |
|
| 97 | - } |
|
| 81 | + /** |
|
| 82 | + * |
|
| 83 | + * @param JWK $jwk |
|
| 84 | + * @param Header $header |
|
| 85 | + * @throws \UnexpectedValueException |
|
| 86 | + * @return AESKWAlgorithm |
|
| 87 | + */ |
|
| 88 | + public static function fromJWK(JWK $jwk, Header $header) |
|
| 89 | + { |
|
| 90 | + $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
| 91 | + $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
| 92 | + if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
| 93 | + throw new \UnexpectedValueException("Unsupported algorithm '$alg'."); |
|
| 94 | + } |
|
| 95 | + $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
| 96 | + return new $cls($jwk->key()); |
|
| 97 | + } |
|
| 98 | 98 | |
| 99 | - /** |
|
| 100 | - * Get key wrapping algorithm. |
|
| 101 | - * |
|
| 102 | - * @return \AESKW\AESKeyWrapAlgorithm |
|
| 103 | - */ |
|
| 104 | - protected function _kw() |
|
| 105 | - { |
|
| 106 | - if (!isset($this->_kw)) { |
|
| 107 | - $this->_kw = $this->_AESKWAlgo(); |
|
| 108 | - } |
|
| 109 | - return $this->_kw; |
|
| 110 | - } |
|
| 99 | + /** |
|
| 100 | + * Get key wrapping algorithm. |
|
| 101 | + * |
|
| 102 | + * @return \AESKW\AESKeyWrapAlgorithm |
|
| 103 | + */ |
|
| 104 | + protected function _kw() |
|
| 105 | + { |
|
| 106 | + if (!isset($this->_kw)) { |
|
| 107 | + $this->_kw = $this->_AESKWAlgo(); |
|
| 108 | + } |
|
| 109 | + return $this->_kw; |
|
| 110 | + } |
|
| 111 | 111 | |
| 112 | - /** |
|
| 113 | - * |
|
| 114 | - * {@inheritdoc} |
|
| 115 | - */ |
|
| 116 | - protected function _encryptKey($key, Header &$header) |
|
| 117 | - { |
|
| 118 | - return $this->_kw()->wrap($key, $this->_kek); |
|
| 119 | - } |
|
| 112 | + /** |
|
| 113 | + * |
|
| 114 | + * {@inheritdoc} |
|
| 115 | + */ |
|
| 116 | + protected function _encryptKey($key, Header &$header) |
|
| 117 | + { |
|
| 118 | + return $this->_kw()->wrap($key, $this->_kek); |
|
| 119 | + } |
|
| 120 | 120 | |
| 121 | - /** |
|
| 122 | - * |
|
| 123 | - * {@inheritdoc} |
|
| 124 | - */ |
|
| 125 | - protected function _decryptKey($ciphertext, Header $header) |
|
| 126 | - { |
|
| 127 | - return $this->_kw()->unwrap($ciphertext, $this->_kek); |
|
| 128 | - } |
|
| 121 | + /** |
|
| 122 | + * |
|
| 123 | + * {@inheritdoc} |
|
| 124 | + */ |
|
| 125 | + protected function _decryptKey($ciphertext, Header $header) |
|
| 126 | + { |
|
| 127 | + return $this->_kw()->unwrap($ciphertext, $this->_kek); |
|
| 128 | + } |
|
| 129 | 129 | |
| 130 | - /** |
|
| 131 | - * |
|
| 132 | - * @see \JWX\JWE\KeyManagementAlgorithm::headerParameters() |
|
| 133 | - * @return \JWX\JWT\Parameter\JWTParameter[] |
|
| 134 | - */ |
|
| 135 | - public function headerParameters() |
|
| 136 | - { |
|
| 137 | - return array_merge(parent::headerParameters(), |
|
| 138 | - array(AlgorithmParameter::fromAlgorithm($this))); |
|
| 139 | - } |
|
| 130 | + /** |
|
| 131 | + * |
|
| 132 | + * @see \JWX\JWE\KeyManagementAlgorithm::headerParameters() |
|
| 133 | + * @return \JWX\JWT\Parameter\JWTParameter[] |
|
| 134 | + */ |
|
| 135 | + public function headerParameters() |
|
| 136 | + { |
|
| 137 | + return array_merge(parent::headerParameters(), |
|
| 138 | + array(AlgorithmParameter::fromAlgorithm($this))); |
|
| 139 | + } |
|
| 140 | 140 | } |
@@ -113,7 +113,7 @@ |
||
| 113 | 113 | * |
| 114 | 114 | * {@inheritdoc} |
| 115 | 115 | */ |
| 116 | - protected function _encryptKey($key, Header &$header) |
|
| 116 | + protected function _encryptKey($key, Header&$header) |
|
| 117 | 117 | { |
| 118 | 118 | return $this->_kw()->wrap($key, $this->_kek); |
| 119 | 119 | } |
@@ -12,30 +12,30 @@ |
||
| 12 | 12 | */ |
| 13 | 13 | class A256KWAlgorithm extends AESKWAlgorithm |
| 14 | 14 | { |
| 15 | - /** |
|
| 16 | - * |
|
| 17 | - * {@inheritdoc} |
|
| 18 | - */ |
|
| 19 | - protected function _kekSize() |
|
| 20 | - { |
|
| 21 | - return 32; |
|
| 22 | - } |
|
| 15 | + /** |
|
| 16 | + * |
|
| 17 | + * {@inheritdoc} |
|
| 18 | + */ |
|
| 19 | + protected function _kekSize() |
|
| 20 | + { |
|
| 21 | + return 32; |
|
| 22 | + } |
|
| 23 | 23 | |
| 24 | - /** |
|
| 25 | - * |
|
| 26 | - * {@inheritdoc} |
|
| 27 | - */ |
|
| 28 | - protected function _AESKWAlgo() |
|
| 29 | - { |
|
| 30 | - return new AESKW256(); |
|
| 31 | - } |
|
| 24 | + /** |
|
| 25 | + * |
|
| 26 | + * {@inheritdoc} |
|
| 27 | + */ |
|
| 28 | + protected function _AESKWAlgo() |
|
| 29 | + { |
|
| 30 | + return new AESKW256(); |
|
| 31 | + } |
|
| 32 | 32 | |
| 33 | - /** |
|
| 34 | - * |
|
| 35 | - * {@inheritdoc} |
|
| 36 | - */ |
|
| 37 | - public function algorithmParamValue() |
|
| 38 | - { |
|
| 39 | - return JWA::ALGO_A256KW; |
|
| 40 | - } |
|
| 33 | + /** |
|
| 34 | + * |
|
| 35 | + * {@inheritdoc} |
|
| 36 | + */ |
|
| 37 | + public function algorithmParamValue() |
|
| 38 | + { |
|
| 39 | + return JWA::ALGO_A256KW; |
|
| 40 | + } |
|
| 41 | 41 | } |