@@ -23,165 +23,165 @@ |
||
23 | 23 | */ |
24 | 24 | abstract class AESGCMKWAlgorithm extends KeyManagementAlgorithm |
25 | 25 | { |
26 | - use RandomCEK; |
|
27 | - |
|
28 | - /** |
|
29 | - * Mapping from algorithm name to class name. |
|
30 | - * |
|
31 | - * @internal |
|
32 | - * |
|
33 | - * @var array |
|
34 | - */ |
|
35 | - const MAP_ALGO_TO_CLASS = [ |
|
36 | - JWA::ALGO_A128GCMKW => A128GCMKWAlgorithm::class, |
|
37 | - JWA::ALGO_A192GCMKW => A192GCMKWAlgorithm::class, |
|
38 | - JWA::ALGO_A256GCMKW => A256GCMKWAlgorithm::class, |
|
39 | - ]; |
|
40 | - |
|
41 | - /** |
|
42 | - * Required IV size in bytes. |
|
43 | - * |
|
44 | - * @var int |
|
45 | - */ |
|
46 | - const IV_SIZE = 12; |
|
47 | - |
|
48 | - /** |
|
49 | - * Authentication tag size in bytes. |
|
50 | - * |
|
51 | - * @var int |
|
52 | - */ |
|
53 | - const AUTH_TAG_SIZE = 16; |
|
54 | - |
|
55 | - /** |
|
56 | - * Key encryption key. |
|
57 | - * |
|
58 | - * @var string |
|
59 | - */ |
|
60 | - protected $_kek; |
|
61 | - |
|
62 | - /** |
|
63 | - * Initialization vector. |
|
64 | - * |
|
65 | - * @var string |
|
66 | - */ |
|
67 | - protected $_iv; |
|
68 | - |
|
69 | - /** |
|
70 | - * Constructor. |
|
71 | - * |
|
72 | - * @param string $kek Key encryption key |
|
73 | - * @param string $iv Initialization vector |
|
74 | - */ |
|
75 | - public function __construct(string $kek, string $iv) |
|
76 | - { |
|
77 | - if (strlen($kek) !== $this->_keySize()) { |
|
78 | - throw new \LengthException('Invalid key size.'); |
|
79 | - } |
|
80 | - if (self::IV_SIZE !== strlen($iv)) { |
|
81 | - throw new \LengthException('Initialization vector must be 96 bits.'); |
|
82 | - } |
|
83 | - $this->_kek = $kek; |
|
84 | - $this->_iv = $iv; |
|
85 | - } |
|
86 | - |
|
87 | - /** |
|
88 | - * Initialize from JWK. |
|
89 | - * |
|
90 | - * @param JWK $jwk |
|
91 | - * @param Header $header |
|
92 | - * |
|
93 | - * @throws \UnexpectedValueException |
|
94 | - * |
|
95 | - * @return self |
|
96 | - */ |
|
97 | - public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
98 | - { |
|
99 | - $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
100 | - if (!$header->hasInitializationVector()) { |
|
101 | - throw new \UnexpectedValueException('No initialization vector.'); |
|
102 | - } |
|
103 | - $iv = $header->initializationVector()->initializationVector(); |
|
104 | - $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
105 | - if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
106 | - throw new \UnexpectedValueException("Unsupported algorithm '{$alg}'."); |
|
107 | - } |
|
108 | - $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
109 | - return new $cls($jwk->key(), $iv); |
|
110 | - } |
|
111 | - |
|
112 | - /** |
|
113 | - * Initialize from key encryption key with random IV. |
|
114 | - * |
|
115 | - * Key size must match the underlying cipher. |
|
116 | - * |
|
117 | - * @param string $key Key encryption key |
|
118 | - * |
|
119 | - * @return self |
|
120 | - */ |
|
121 | - public static function fromKey(string $key): self |
|
122 | - { |
|
123 | - $iv = openssl_random_pseudo_bytes(self::IV_SIZE); |
|
124 | - return new static($key, $iv); |
|
125 | - } |
|
126 | - |
|
127 | - /** |
|
128 | - * {@inheritdoc} |
|
129 | - */ |
|
130 | - public function headerParameters(): array |
|
131 | - { |
|
132 | - return array_merge(parent::headerParameters(), |
|
133 | - [AlgorithmParameter::fromAlgorithm($this), |
|
134 | - InitializationVectorParameter::fromString($this->_iv), ]); |
|
135 | - } |
|
136 | - |
|
137 | - /** |
|
138 | - * Get GCM Cipher instance. |
|
139 | - * |
|
140 | - * @return Cipher |
|
141 | - */ |
|
142 | - abstract protected function _getGCMCipher(): Cipher; |
|
143 | - |
|
144 | - /** |
|
145 | - * Get the required key size. |
|
146 | - * |
|
147 | - * @return int |
|
148 | - */ |
|
149 | - abstract protected function _keySize(): int; |
|
150 | - |
|
151 | - /** |
|
152 | - * Get GCM instance. |
|
153 | - * |
|
154 | - * @return GCM |
|
155 | - */ |
|
156 | - final protected function _getGCM(): GCM |
|
157 | - { |
|
158 | - return new GCM($this->_getGCMCipher(), self::AUTH_TAG_SIZE); |
|
159 | - } |
|
160 | - |
|
161 | - /** |
|
162 | - * {@inheritdoc} |
|
163 | - */ |
|
164 | - protected function _encryptKey(string $key, Header &$header): string |
|
165 | - { |
|
166 | - [$ciphertext, $auth_tag] = $this->_getGCM() |
|
167 | - ->encrypt($key, '', $this->_kek, $this->_iv); |
|
168 | - // insert authentication tag to the header |
|
169 | - $header = $header->withParameters( |
|
170 | - AuthenticationTagParameter::fromString($auth_tag)); |
|
171 | - return $ciphertext; |
|
172 | - } |
|
173 | - |
|
174 | - /** |
|
175 | - * {@inheritdoc} |
|
176 | - */ |
|
177 | - protected function _decryptKey(string $ciphertext, Header $header): string |
|
178 | - { |
|
179 | - if (!$header->hasAuthenticationTag()) { |
|
180 | - throw new \RuntimeException( |
|
181 | - "Header doesn't contain authentication tag."); |
|
182 | - } |
|
183 | - $auth_tag = $header->authenticationTag()->authenticationTag(); |
|
184 | - return $this->_getGCM() |
|
185 | - ->decrypt($ciphertext, $auth_tag, '', $this->_kek, $this->_iv); |
|
186 | - } |
|
26 | + use RandomCEK; |
|
27 | + |
|
28 | + /** |
|
29 | + * Mapping from algorithm name to class name. |
|
30 | + * |
|
31 | + * @internal |
|
32 | + * |
|
33 | + * @var array |
|
34 | + */ |
|
35 | + const MAP_ALGO_TO_CLASS = [ |
|
36 | + JWA::ALGO_A128GCMKW => A128GCMKWAlgorithm::class, |
|
37 | + JWA::ALGO_A192GCMKW => A192GCMKWAlgorithm::class, |
|
38 | + JWA::ALGO_A256GCMKW => A256GCMKWAlgorithm::class, |
|
39 | + ]; |
|
40 | + |
|
41 | + /** |
|
42 | + * Required IV size in bytes. |
|
43 | + * |
|
44 | + * @var int |
|
45 | + */ |
|
46 | + const IV_SIZE = 12; |
|
47 | + |
|
48 | + /** |
|
49 | + * Authentication tag size in bytes. |
|
50 | + * |
|
51 | + * @var int |
|
52 | + */ |
|
53 | + const AUTH_TAG_SIZE = 16; |
|
54 | + |
|
55 | + /** |
|
56 | + * Key encryption key. |
|
57 | + * |
|
58 | + * @var string |
|
59 | + */ |
|
60 | + protected $_kek; |
|
61 | + |
|
62 | + /** |
|
63 | + * Initialization vector. |
|
64 | + * |
|
65 | + * @var string |
|
66 | + */ |
|
67 | + protected $_iv; |
|
68 | + |
|
69 | + /** |
|
70 | + * Constructor. |
|
71 | + * |
|
72 | + * @param string $kek Key encryption key |
|
73 | + * @param string $iv Initialization vector |
|
74 | + */ |
|
75 | + public function __construct(string $kek, string $iv) |
|
76 | + { |
|
77 | + if (strlen($kek) !== $this->_keySize()) { |
|
78 | + throw new \LengthException('Invalid key size.'); |
|
79 | + } |
|
80 | + if (self::IV_SIZE !== strlen($iv)) { |
|
81 | + throw new \LengthException('Initialization vector must be 96 bits.'); |
|
82 | + } |
|
83 | + $this->_kek = $kek; |
|
84 | + $this->_iv = $iv; |
|
85 | + } |
|
86 | + |
|
87 | + /** |
|
88 | + * Initialize from JWK. |
|
89 | + * |
|
90 | + * @param JWK $jwk |
|
91 | + * @param Header $header |
|
92 | + * |
|
93 | + * @throws \UnexpectedValueException |
|
94 | + * |
|
95 | + * @return self |
|
96 | + */ |
|
97 | + public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
98 | + { |
|
99 | + $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
100 | + if (!$header->hasInitializationVector()) { |
|
101 | + throw new \UnexpectedValueException('No initialization vector.'); |
|
102 | + } |
|
103 | + $iv = $header->initializationVector()->initializationVector(); |
|
104 | + $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
105 | + if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
106 | + throw new \UnexpectedValueException("Unsupported algorithm '{$alg}'."); |
|
107 | + } |
|
108 | + $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
109 | + return new $cls($jwk->key(), $iv); |
|
110 | + } |
|
111 | + |
|
112 | + /** |
|
113 | + * Initialize from key encryption key with random IV. |
|
114 | + * |
|
115 | + * Key size must match the underlying cipher. |
|
116 | + * |
|
117 | + * @param string $key Key encryption key |
|
118 | + * |
|
119 | + * @return self |
|
120 | + */ |
|
121 | + public static function fromKey(string $key): self |
|
122 | + { |
|
123 | + $iv = openssl_random_pseudo_bytes(self::IV_SIZE); |
|
124 | + return new static($key, $iv); |
|
125 | + } |
|
126 | + |
|
127 | + /** |
|
128 | + * {@inheritdoc} |
|
129 | + */ |
|
130 | + public function headerParameters(): array |
|
131 | + { |
|
132 | + return array_merge(parent::headerParameters(), |
|
133 | + [AlgorithmParameter::fromAlgorithm($this), |
|
134 | + InitializationVectorParameter::fromString($this->_iv), ]); |
|
135 | + } |
|
136 | + |
|
137 | + /** |
|
138 | + * Get GCM Cipher instance. |
|
139 | + * |
|
140 | + * @return Cipher |
|
141 | + */ |
|
142 | + abstract protected function _getGCMCipher(): Cipher; |
|
143 | + |
|
144 | + /** |
|
145 | + * Get the required key size. |
|
146 | + * |
|
147 | + * @return int |
|
148 | + */ |
|
149 | + abstract protected function _keySize(): int; |
|
150 | + |
|
151 | + /** |
|
152 | + * Get GCM instance. |
|
153 | + * |
|
154 | + * @return GCM |
|
155 | + */ |
|
156 | + final protected function _getGCM(): GCM |
|
157 | + { |
|
158 | + return new GCM($this->_getGCMCipher(), self::AUTH_TAG_SIZE); |
|
159 | + } |
|
160 | + |
|
161 | + /** |
|
162 | + * {@inheritdoc} |
|
163 | + */ |
|
164 | + protected function _encryptKey(string $key, Header &$header): string |
|
165 | + { |
|
166 | + [$ciphertext, $auth_tag] = $this->_getGCM() |
|
167 | + ->encrypt($key, '', $this->_kek, $this->_iv); |
|
168 | + // insert authentication tag to the header |
|
169 | + $header = $header->withParameters( |
|
170 | + AuthenticationTagParameter::fromString($auth_tag)); |
|
171 | + return $ciphertext; |
|
172 | + } |
|
173 | + |
|
174 | + /** |
|
175 | + * {@inheritdoc} |
|
176 | + */ |
|
177 | + protected function _decryptKey(string $ciphertext, Header $header): string |
|
178 | + { |
|
179 | + if (!$header->hasAuthenticationTag()) { |
|
180 | + throw new \RuntimeException( |
|
181 | + "Header doesn't contain authentication tag."); |
|
182 | + } |
|
183 | + $auth_tag = $header->authenticationTag()->authenticationTag(); |
|
184 | + return $this->_getGCM() |
|
185 | + ->decrypt($ciphertext, $auth_tag, '', $this->_kek, $this->_iv); |
|
186 | + } |
|
187 | 187 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -15,27 +15,27 @@ |
||
15 | 15 | */ |
16 | 16 | class A128KWAlgorithm extends AESKWAlgorithm |
17 | 17 | { |
18 | - /** |
|
19 | - * {@inheritdoc} |
|
20 | - */ |
|
21 | - public function algorithmParamValue(): string |
|
22 | - { |
|
23 | - return JWA::ALGO_A128KW; |
|
24 | - } |
|
18 | + /** |
|
19 | + * {@inheritdoc} |
|
20 | + */ |
|
21 | + public function algorithmParamValue(): string |
|
22 | + { |
|
23 | + return JWA::ALGO_A128KW; |
|
24 | + } |
|
25 | 25 | |
26 | - /** |
|
27 | - * {@inheritdoc} |
|
28 | - */ |
|
29 | - protected function _kekSize(): int |
|
30 | - { |
|
31 | - return 16; |
|
32 | - } |
|
26 | + /** |
|
27 | + * {@inheritdoc} |
|
28 | + */ |
|
29 | + protected function _kekSize(): int |
|
30 | + { |
|
31 | + return 16; |
|
32 | + } |
|
33 | 33 | |
34 | - /** |
|
35 | - * {@inheritdoc} |
|
36 | - */ |
|
37 | - protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | - { |
|
39 | - return new AESKW128(); |
|
40 | - } |
|
34 | + /** |
|
35 | + * {@inheritdoc} |
|
36 | + */ |
|
37 | + protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | + { |
|
39 | + return new AESKW128(); |
|
40 | + } |
|
41 | 41 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -20,121 +20,121 @@ |
||
20 | 20 | */ |
21 | 21 | abstract class AESKWAlgorithm extends KeyManagementAlgorithm |
22 | 22 | { |
23 | - use RandomCEK; |
|
23 | + use RandomCEK; |
|
24 | 24 | |
25 | - /** |
|
26 | - * Mapping from algorithm name to class name. |
|
27 | - * |
|
28 | - * @internal |
|
29 | - * |
|
30 | - * @var array |
|
31 | - */ |
|
32 | - const MAP_ALGO_TO_CLASS = [ |
|
33 | - JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
34 | - JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
35 | - JWA::ALGO_A256KW => A256KWAlgorithm::class, |
|
36 | - ]; |
|
25 | + /** |
|
26 | + * Mapping from algorithm name to class name. |
|
27 | + * |
|
28 | + * @internal |
|
29 | + * |
|
30 | + * @var array |
|
31 | + */ |
|
32 | + const MAP_ALGO_TO_CLASS = [ |
|
33 | + JWA::ALGO_A128KW => A128KWAlgorithm::class, |
|
34 | + JWA::ALGO_A192KW => A192KWAlgorithm::class, |
|
35 | + JWA::ALGO_A256KW => A256KWAlgorithm::class, |
|
36 | + ]; |
|
37 | 37 | |
38 | - /** |
|
39 | - * Key encryption key. |
|
40 | - * |
|
41 | - * @var string |
|
42 | - */ |
|
43 | - protected $_kek; |
|
38 | + /** |
|
39 | + * Key encryption key. |
|
40 | + * |
|
41 | + * @var string |
|
42 | + */ |
|
43 | + protected $_kek; |
|
44 | 44 | |
45 | - /** |
|
46 | - * Key wrapping algorithm. |
|
47 | - * |
|
48 | - * Lazily initialized. |
|
49 | - * |
|
50 | - * @var null|AESKeyWrapAlgorithm |
|
51 | - */ |
|
52 | - protected $_kw; |
|
45 | + /** |
|
46 | + * Key wrapping algorithm. |
|
47 | + * |
|
48 | + * Lazily initialized. |
|
49 | + * |
|
50 | + * @var null|AESKeyWrapAlgorithm |
|
51 | + */ |
|
52 | + protected $_kw; |
|
53 | 53 | |
54 | - /** |
|
55 | - * Constructor. |
|
56 | - * |
|
57 | - * @param string $kek Key encryption key |
|
58 | - */ |
|
59 | - public function __construct(string $kek) |
|
60 | - { |
|
61 | - if (strlen($kek) !== $this->_kekSize()) { |
|
62 | - throw new \LengthException( |
|
63 | - 'Key encryption key must be ' . $this->_kekSize() . ' bytes.'); |
|
64 | - } |
|
65 | - $this->_kek = $kek; |
|
66 | - } |
|
54 | + /** |
|
55 | + * Constructor. |
|
56 | + * |
|
57 | + * @param string $kek Key encryption key |
|
58 | + */ |
|
59 | + public function __construct(string $kek) |
|
60 | + { |
|
61 | + if (strlen($kek) !== $this->_kekSize()) { |
|
62 | + throw new \LengthException( |
|
63 | + 'Key encryption key must be ' . $this->_kekSize() . ' bytes.'); |
|
64 | + } |
|
65 | + $this->_kek = $kek; |
|
66 | + } |
|
67 | 67 | |
68 | - /** |
|
69 | - * Initialize from JWK. |
|
70 | - * |
|
71 | - * @param JWK $jwk |
|
72 | - * @param Header $header |
|
73 | - * |
|
74 | - * @throws \UnexpectedValueException |
|
75 | - * |
|
76 | - * @return self |
|
77 | - */ |
|
78 | - public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
79 | - { |
|
80 | - $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
81 | - $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
82 | - if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
83 | - throw new \UnexpectedValueException("Unsupported algorithm '{$alg}'."); |
|
84 | - } |
|
85 | - $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
86 | - return new $cls($jwk->key()); |
|
87 | - } |
|
68 | + /** |
|
69 | + * Initialize from JWK. |
|
70 | + * |
|
71 | + * @param JWK $jwk |
|
72 | + * @param Header $header |
|
73 | + * |
|
74 | + * @throws \UnexpectedValueException |
|
75 | + * |
|
76 | + * @return self |
|
77 | + */ |
|
78 | + public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
79 | + { |
|
80 | + $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
81 | + $alg = JWA::deriveAlgorithmName($header, $jwk); |
|
82 | + if (!array_key_exists($alg, self::MAP_ALGO_TO_CLASS)) { |
|
83 | + throw new \UnexpectedValueException("Unsupported algorithm '{$alg}'."); |
|
84 | + } |
|
85 | + $cls = self::MAP_ALGO_TO_CLASS[$alg]; |
|
86 | + return new $cls($jwk->key()); |
|
87 | + } |
|
88 | 88 | |
89 | - /** |
|
90 | - * {@inheritdoc} |
|
91 | - */ |
|
92 | - public function headerParameters(): array |
|
93 | - { |
|
94 | - return array_merge(parent::headerParameters(), |
|
95 | - [AlgorithmParameter::fromAlgorithm($this)]); |
|
96 | - } |
|
89 | + /** |
|
90 | + * {@inheritdoc} |
|
91 | + */ |
|
92 | + public function headerParameters(): array |
|
93 | + { |
|
94 | + return array_merge(parent::headerParameters(), |
|
95 | + [AlgorithmParameter::fromAlgorithm($this)]); |
|
96 | + } |
|
97 | 97 | |
98 | - /** |
|
99 | - * Get the size of the key encryption key in bytes. |
|
100 | - * |
|
101 | - * @return int |
|
102 | - */ |
|
103 | - abstract protected function _kekSize(): int; |
|
98 | + /** |
|
99 | + * Get the size of the key encryption key in bytes. |
|
100 | + * |
|
101 | + * @return int |
|
102 | + */ |
|
103 | + abstract protected function _kekSize(): int; |
|
104 | 104 | |
105 | - /** |
|
106 | - * Get key wrapping algorithm instance. |
|
107 | - * |
|
108 | - * @return AESKeyWrapAlgorithm |
|
109 | - */ |
|
110 | - abstract protected function _AESKWAlgo(): AESKeyWrapAlgorithm; |
|
105 | + /** |
|
106 | + * Get key wrapping algorithm instance. |
|
107 | + * |
|
108 | + * @return AESKeyWrapAlgorithm |
|
109 | + */ |
|
110 | + abstract protected function _AESKWAlgo(): AESKeyWrapAlgorithm; |
|
111 | 111 | |
112 | - /** |
|
113 | - * Get key wrapping algorithm. |
|
114 | - * |
|
115 | - * @return AESKeyWrapAlgorithm |
|
116 | - */ |
|
117 | - protected function _kw(): AESKeyWrapAlgorithm |
|
118 | - { |
|
119 | - if (!isset($this->_kw)) { |
|
120 | - $this->_kw = $this->_AESKWAlgo(); |
|
121 | - } |
|
122 | - return $this->_kw; |
|
123 | - } |
|
112 | + /** |
|
113 | + * Get key wrapping algorithm. |
|
114 | + * |
|
115 | + * @return AESKeyWrapAlgorithm |
|
116 | + */ |
|
117 | + protected function _kw(): AESKeyWrapAlgorithm |
|
118 | + { |
|
119 | + if (!isset($this->_kw)) { |
|
120 | + $this->_kw = $this->_AESKWAlgo(); |
|
121 | + } |
|
122 | + return $this->_kw; |
|
123 | + } |
|
124 | 124 | |
125 | - /** |
|
126 | - * {@inheritdoc} |
|
127 | - */ |
|
128 | - protected function _encryptKey(string $key, Header &$header): string |
|
129 | - { |
|
130 | - return $this->_kw()->wrap($key, $this->_kek); |
|
131 | - } |
|
125 | + /** |
|
126 | + * {@inheritdoc} |
|
127 | + */ |
|
128 | + protected function _encryptKey(string $key, Header &$header): string |
|
129 | + { |
|
130 | + return $this->_kw()->wrap($key, $this->_kek); |
|
131 | + } |
|
132 | 132 | |
133 | - /** |
|
134 | - * {@inheritdoc} |
|
135 | - */ |
|
136 | - protected function _decryptKey(string $ciphertext, Header $header): string |
|
137 | - { |
|
138 | - return $this->_kw()->unwrap($ciphertext, $this->_kek); |
|
139 | - } |
|
133 | + /** |
|
134 | + * {@inheritdoc} |
|
135 | + */ |
|
136 | + protected function _decryptKey(string $ciphertext, Header $header): string |
|
137 | + { |
|
138 | + return $this->_kw()->unwrap($ciphertext, $this->_kek); |
|
139 | + } |
|
140 | 140 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -15,27 +15,27 @@ |
||
15 | 15 | */ |
16 | 16 | class A192KWAlgorithm extends AESKWAlgorithm |
17 | 17 | { |
18 | - /** |
|
19 | - * {@inheritdoc} |
|
20 | - */ |
|
21 | - public function algorithmParamValue(): string |
|
22 | - { |
|
23 | - return JWA::ALGO_A192KW; |
|
24 | - } |
|
18 | + /** |
|
19 | + * {@inheritdoc} |
|
20 | + */ |
|
21 | + public function algorithmParamValue(): string |
|
22 | + { |
|
23 | + return JWA::ALGO_A192KW; |
|
24 | + } |
|
25 | 25 | |
26 | - /** |
|
27 | - * {@inheritdoc} |
|
28 | - */ |
|
29 | - protected function _kekSize(): int |
|
30 | - { |
|
31 | - return 24; |
|
32 | - } |
|
26 | + /** |
|
27 | + * {@inheritdoc} |
|
28 | + */ |
|
29 | + protected function _kekSize(): int |
|
30 | + { |
|
31 | + return 24; |
|
32 | + } |
|
33 | 33 | |
34 | - /** |
|
35 | - * {@inheritdoc} |
|
36 | - */ |
|
37 | - protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | - { |
|
39 | - return new AESKW192(); |
|
40 | - } |
|
34 | + /** |
|
35 | + * {@inheritdoc} |
|
36 | + */ |
|
37 | + protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | + { |
|
39 | + return new AESKW192(); |
|
40 | + } |
|
41 | 41 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -18,101 +18,101 @@ |
||
18 | 18 | */ |
19 | 19 | class DirectCEKAlgorithm extends KeyManagementAlgorithm |
20 | 20 | { |
21 | - /** |
|
22 | - * Content encryption key. |
|
23 | - * |
|
24 | - * @var string |
|
25 | - */ |
|
26 | - protected $_cek; |
|
21 | + /** |
|
22 | + * Content encryption key. |
|
23 | + * |
|
24 | + * @var string |
|
25 | + */ |
|
26 | + protected $_cek; |
|
27 | 27 | |
28 | - /** |
|
29 | - * Constructor. |
|
30 | - * |
|
31 | - * @param string $cek Content encryption key |
|
32 | - */ |
|
33 | - public function __construct(string $cek) |
|
34 | - { |
|
35 | - $this->_cek = $cek; |
|
36 | - } |
|
28 | + /** |
|
29 | + * Constructor. |
|
30 | + * |
|
31 | + * @param string $cek Content encryption key |
|
32 | + */ |
|
33 | + public function __construct(string $cek) |
|
34 | + { |
|
35 | + $this->_cek = $cek; |
|
36 | + } |
|
37 | 37 | |
38 | - /** |
|
39 | - * Initialize from JWK. |
|
40 | - * |
|
41 | - * @param JWK $jwk |
|
42 | - * @param Header $header |
|
43 | - * |
|
44 | - * @throws \UnexpectedValueException |
|
45 | - * |
|
46 | - * @return self |
|
47 | - */ |
|
48 | - public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
49 | - { |
|
50 | - $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
51 | - $alg = JWA::deriveAlgorithmName($header); |
|
52 | - if (JWA::ALGO_DIR !== $alg) { |
|
53 | - throw new \UnexpectedValueException("Invalid algorithm '{$alg}'."); |
|
54 | - } |
|
55 | - return new self($jwk->key()); |
|
56 | - } |
|
38 | + /** |
|
39 | + * Initialize from JWK. |
|
40 | + * |
|
41 | + * @param JWK $jwk |
|
42 | + * @param Header $header |
|
43 | + * |
|
44 | + * @throws \UnexpectedValueException |
|
45 | + * |
|
46 | + * @return self |
|
47 | + */ |
|
48 | + public static function fromJWK(JWK $jwk, Header $header): KeyManagementAlgorithm |
|
49 | + { |
|
50 | + $jwk = SymmetricKeyJWK::fromJWK($jwk); |
|
51 | + $alg = JWA::deriveAlgorithmName($header); |
|
52 | + if (JWA::ALGO_DIR !== $alg) { |
|
53 | + throw new \UnexpectedValueException("Invalid algorithm '{$alg}'."); |
|
54 | + } |
|
55 | + return new self($jwk->key()); |
|
56 | + } |
|
57 | 57 | |
58 | - /** |
|
59 | - * Get content encryption key. |
|
60 | - * |
|
61 | - * @return string |
|
62 | - */ |
|
63 | - public function cek(): string |
|
64 | - { |
|
65 | - return $this->_cek; |
|
66 | - } |
|
58 | + /** |
|
59 | + * Get content encryption key. |
|
60 | + * |
|
61 | + * @return string |
|
62 | + */ |
|
63 | + public function cek(): string |
|
64 | + { |
|
65 | + return $this->_cek; |
|
66 | + } |
|
67 | 67 | |
68 | - /** |
|
69 | - * {@inheritdoc} |
|
70 | - */ |
|
71 | - public function cekForEncryption(int $length): string |
|
72 | - { |
|
73 | - if (strlen($this->_cek) !== $length) { |
|
74 | - throw new \UnexpectedValueException('Invalid key length.'); |
|
75 | - } |
|
76 | - return $this->_cek; |
|
77 | - } |
|
68 | + /** |
|
69 | + * {@inheritdoc} |
|
70 | + */ |
|
71 | + public function cekForEncryption(int $length): string |
|
72 | + { |
|
73 | + if (strlen($this->_cek) !== $length) { |
|
74 | + throw new \UnexpectedValueException('Invalid key length.'); |
|
75 | + } |
|
76 | + return $this->_cek; |
|
77 | + } |
|
78 | 78 | |
79 | - /** |
|
80 | - * {@inheritdoc} |
|
81 | - */ |
|
82 | - public function algorithmParamValue(): string |
|
83 | - { |
|
84 | - return JWA::ALGO_DIR; |
|
85 | - } |
|
79 | + /** |
|
80 | + * {@inheritdoc} |
|
81 | + */ |
|
82 | + public function algorithmParamValue(): string |
|
83 | + { |
|
84 | + return JWA::ALGO_DIR; |
|
85 | + } |
|
86 | 86 | |
87 | - /** |
|
88 | - * {@inheritdoc} |
|
89 | - */ |
|
90 | - public function headerParameters(): array |
|
91 | - { |
|
92 | - return array_merge(parent::headerParameters(), |
|
93 | - [AlgorithmParameter::fromAlgorithm($this)]); |
|
94 | - } |
|
87 | + /** |
|
88 | + * {@inheritdoc} |
|
89 | + */ |
|
90 | + public function headerParameters(): array |
|
91 | + { |
|
92 | + return array_merge(parent::headerParameters(), |
|
93 | + [AlgorithmParameter::fromAlgorithm($this)]); |
|
94 | + } |
|
95 | 95 | |
96 | - /** |
|
97 | - * {@inheritdoc} |
|
98 | - */ |
|
99 | - protected function _encryptKey(string $key, Header &$header): string |
|
100 | - { |
|
101 | - if ($key !== $this->_cek) { |
|
102 | - throw new \LogicException("Content encryption key doesn't match."); |
|
103 | - } |
|
104 | - return ''; |
|
105 | - } |
|
96 | + /** |
|
97 | + * {@inheritdoc} |
|
98 | + */ |
|
99 | + protected function _encryptKey(string $key, Header &$header): string |
|
100 | + { |
|
101 | + if ($key !== $this->_cek) { |
|
102 | + throw new \LogicException("Content encryption key doesn't match."); |
|
103 | + } |
|
104 | + return ''; |
|
105 | + } |
|
106 | 106 | |
107 | - /** |
|
108 | - * {@inheritdoc} |
|
109 | - */ |
|
110 | - protected function _decryptKey(string $ciphertext, Header $header): string |
|
111 | - { |
|
112 | - if ('' !== $ciphertext) { |
|
113 | - throw new \UnexpectedValueException( |
|
114 | - 'Encrypted key must be an empty octet sequence.'); |
|
115 | - } |
|
116 | - return $this->_cek; |
|
117 | - } |
|
107 | + /** |
|
108 | + * {@inheritdoc} |
|
109 | + */ |
|
110 | + protected function _decryptKey(string $ciphertext, Header $header): string |
|
111 | + { |
|
112 | + if ('' !== $ciphertext) { |
|
113 | + throw new \UnexpectedValueException( |
|
114 | + 'Encrypted key must be an empty octet sequence.'); |
|
115 | + } |
|
116 | + return $this->_cek; |
|
117 | + } |
|
118 | 118 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -15,35 +15,35 @@ |
||
15 | 15 | */ |
16 | 16 | class PBES2HS512A256KWAlgorithm extends PBES2Algorithm |
17 | 17 | { |
18 | - /** |
|
19 | - * {@inheritdoc} |
|
20 | - */ |
|
21 | - public function algorithmParamValue(): string |
|
22 | - { |
|
23 | - return JWA::ALGO_PBES2_HS512_A256KW; |
|
24 | - } |
|
18 | + /** |
|
19 | + * {@inheritdoc} |
|
20 | + */ |
|
21 | + public function algorithmParamValue(): string |
|
22 | + { |
|
23 | + return JWA::ALGO_PBES2_HS512_A256KW; |
|
24 | + } |
|
25 | 25 | |
26 | - /** |
|
27 | - * {@inheritdoc} |
|
28 | - */ |
|
29 | - protected function _hashAlgo(): string |
|
30 | - { |
|
31 | - return 'sha512'; |
|
32 | - } |
|
26 | + /** |
|
27 | + * {@inheritdoc} |
|
28 | + */ |
|
29 | + protected function _hashAlgo(): string |
|
30 | + { |
|
31 | + return 'sha512'; |
|
32 | + } |
|
33 | 33 | |
34 | - /** |
|
35 | - * {@inheritdoc} |
|
36 | - */ |
|
37 | - protected function _keyLength(): int |
|
38 | - { |
|
39 | - return 32; |
|
40 | - } |
|
34 | + /** |
|
35 | + * {@inheritdoc} |
|
36 | + */ |
|
37 | + protected function _keyLength(): int |
|
38 | + { |
|
39 | + return 32; |
|
40 | + } |
|
41 | 41 | |
42 | - /** |
|
43 | - * {@inheritdoc} |
|
44 | - */ |
|
45 | - protected function _kwAlgo(): AESKeyWrapAlgorithm |
|
46 | - { |
|
47 | - return new AESKW256(); |
|
48 | - } |
|
42 | + /** |
|
43 | + * {@inheritdoc} |
|
44 | + */ |
|
45 | + protected function _kwAlgo(): AESKeyWrapAlgorithm |
|
46 | + { |
|
47 | + return new AESKW256(); |
|
48 | + } |
|
49 | 49 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -13,19 +13,19 @@ |
||
13 | 13 | */ |
14 | 14 | class RSAESPKCS1Algorithm extends RSAESKeyAlgorithm |
15 | 15 | { |
16 | - /** |
|
17 | - * {@inheritdoc} |
|
18 | - */ |
|
19 | - public function algorithmParamValue(): string |
|
20 | - { |
|
21 | - return JWA::ALGO_RSA1_5; |
|
22 | - } |
|
16 | + /** |
|
17 | + * {@inheritdoc} |
|
18 | + */ |
|
19 | + public function algorithmParamValue(): string |
|
20 | + { |
|
21 | + return JWA::ALGO_RSA1_5; |
|
22 | + } |
|
23 | 23 | |
24 | - /** |
|
25 | - * {@inheritdoc} |
|
26 | - */ |
|
27 | - protected function _paddingScheme(): int |
|
28 | - { |
|
29 | - return OPENSSL_PKCS1_PADDING; |
|
30 | - } |
|
24 | + /** |
|
25 | + * {@inheritdoc} |
|
26 | + */ |
|
27 | + protected function _paddingScheme(): int |
|
28 | + { |
|
29 | + return OPENSSL_PKCS1_PADDING; |
|
30 | + } |
|
31 | 31 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -15,27 +15,27 @@ |
||
15 | 15 | */ |
16 | 16 | class A256KWAlgorithm extends AESKWAlgorithm |
17 | 17 | { |
18 | - /** |
|
19 | - * {@inheritdoc} |
|
20 | - */ |
|
21 | - public function algorithmParamValue(): string |
|
22 | - { |
|
23 | - return JWA::ALGO_A256KW; |
|
24 | - } |
|
18 | + /** |
|
19 | + * {@inheritdoc} |
|
20 | + */ |
|
21 | + public function algorithmParamValue(): string |
|
22 | + { |
|
23 | + return JWA::ALGO_A256KW; |
|
24 | + } |
|
25 | 25 | |
26 | - /** |
|
27 | - * {@inheritdoc} |
|
28 | - */ |
|
29 | - protected function _kekSize(): int |
|
30 | - { |
|
31 | - return 32; |
|
32 | - } |
|
26 | + /** |
|
27 | + * {@inheritdoc} |
|
28 | + */ |
|
29 | + protected function _kekSize(): int |
|
30 | + { |
|
31 | + return 32; |
|
32 | + } |
|
33 | 33 | |
34 | - /** |
|
35 | - * {@inheritdoc} |
|
36 | - */ |
|
37 | - protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | - { |
|
39 | - return new AESKW256(); |
|
40 | - } |
|
34 | + /** |
|
35 | + * {@inheritdoc} |
|
36 | + */ |
|
37 | + protected function _AESKWAlgo(): AESKeyWrapAlgorithm |
|
38 | + { |
|
39 | + return new AESKW256(); |
|
40 | + } |
|
41 | 41 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |
@@ -15,35 +15,35 @@ |
||
15 | 15 | */ |
16 | 16 | class PBES2HS384A192KWAlgorithm extends PBES2Algorithm |
17 | 17 | { |
18 | - /** |
|
19 | - * {@inheritdoc} |
|
20 | - */ |
|
21 | - public function algorithmParamValue(): string |
|
22 | - { |
|
23 | - return JWA::ALGO_PBES2_HS384_A192KW; |
|
24 | - } |
|
18 | + /** |
|
19 | + * {@inheritdoc} |
|
20 | + */ |
|
21 | + public function algorithmParamValue(): string |
|
22 | + { |
|
23 | + return JWA::ALGO_PBES2_HS384_A192KW; |
|
24 | + } |
|
25 | 25 | |
26 | - /** |
|
27 | - * {@inheritdoc} |
|
28 | - */ |
|
29 | - protected function _hashAlgo(): string |
|
30 | - { |
|
31 | - return 'sha384'; |
|
32 | - } |
|
26 | + /** |
|
27 | + * {@inheritdoc} |
|
28 | + */ |
|
29 | + protected function _hashAlgo(): string |
|
30 | + { |
|
31 | + return 'sha384'; |
|
32 | + } |
|
33 | 33 | |
34 | - /** |
|
35 | - * {@inheritdoc} |
|
36 | - */ |
|
37 | - protected function _keyLength(): int |
|
38 | - { |
|
39 | - return 24; |
|
40 | - } |
|
34 | + /** |
|
35 | + * {@inheritdoc} |
|
36 | + */ |
|
37 | + protected function _keyLength(): int |
|
38 | + { |
|
39 | + return 24; |
|
40 | + } |
|
41 | 41 | |
42 | - /** |
|
43 | - * {@inheritdoc} |
|
44 | - */ |
|
45 | - protected function _kwAlgo(): AESKeyWrapAlgorithm |
|
46 | - { |
|
47 | - return new AESKW192(); |
|
48 | - } |
|
42 | + /** |
|
43 | + * {@inheritdoc} |
|
44 | + */ |
|
45 | + protected function _kwAlgo(): AESKeyWrapAlgorithm |
|
46 | + { |
|
47 | + return new AESKW192(); |
|
48 | + } |
|
49 | 49 | } |
@@ -1,6 +1,6 @@ |
||
1 | 1 | <?php |
2 | 2 | |
3 | -declare(strict_types = 1); |
|
3 | +declare(strict_types=1); |
|
4 | 4 | |
5 | 5 | namespace Sop\JWX\JWE\KeyAlgorithm; |
6 | 6 |