1 <?php |
1 <?php |
2 |
2 |
3 /** |
3 /** |
4 * Phijndael - an implementation of the AES encryption standard in PHP |
4 * AES (Rijndael) |
5 * Originally written by Fritz Schneider <fritz AT cd DOT ucsd DOT edu> |
5 * EBC and CBC modes |
6 * Ported to PHP by Dan Fuhry <dan AT enano DOT homelinux DOT org> |
6 * |
7 * @package phijndael |
7 * Flash port by: |
8 * @author Fritz Schneider |
8 * André S. Barbosa <andre@infolink.com.br> |
9 * @author Dan Fuhry |
9 * http://www.codecta.com.br/rijndael.html |
10 * @license BSD-style license |
10 * This is free code! |
|
11 * |
|
12 * Original code from OpenSSL Library. |
|
13 * Use is very closed to OpenSSL. |
11 */ |
14 */ |
|
15 |
|
16 |
|
17 /** |
|
18 * rijndael-alg-fst.c |
|
19 * |
|
20 * @version 3.0 (December 2000) |
|
21 * |
|
22 * Optimised ANSI C code for the Rijndael cipher (now AES) |
|
23 * |
|
24 * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> |
|
25 * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> |
|
26 * @author Paulo Barreto <paulo.barreto@terra.com.br> |
|
27 * |
|
28 * The original C code is released into the public domain. The Enano |
|
29 * Project has relicensed this port under the GNU General Public |
|
30 * License for license compatibility reasons. |
|
31 * |
|
32 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS |
|
33 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
|
34 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE |
|
36 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
|
37 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
|
38 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
|
39 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
40 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
|
41 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
|
42 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
43 */ |
|
44 |
12 |
45 |
13 define ('ENC_HEX', 201); |
46 define ('ENC_HEX', 201); |
14 define ('ENC_BASE64', 202); |
47 define ('ENC_BASE64', 202); |
15 define ('ENC_BINARY', 203); |
48 define ('ENC_BINARY', 203); |
16 |
49 |
17 $_aes_objcache = array(); |
50 class librijndael2 |
18 |
51 { |
19 class AESCrypt { |
52 //////////////////// CONVERSION FUNCTIONS /////////////////////////// |
20 |
53 |
21 var $debug = false; |
54 // Byte to hex |
22 var $mcrypt = false; |
55 static function byte2hex($byte) |
23 var $decrypt_cache = array(); |
56 { |
24 |
57 if ( strlen(dechex(ord($byte))) < 2 ) |
25 // Rijndael parameters -- Valid values are 128, 192, or 256 |
58 return ( "0" . dechex(ord($byte)) ); |
26 |
59 else |
27 var $keySizeInBits = 128; |
60 return ( dechex(ord($byte)) ); |
28 var $blockSizeInBits = 128; |
61 } |
29 |
62 |
30 /////// You shouldn't have to modify anything below this line except for |
63 |
31 /////// the function getRandomBytes(). |
64 /* Convert String to Hex String |
32 // |
65 * Null byte cannot appear in middle of String. |
33 // Note: in the following code the two dimensional arrays are indexed as |
66 * this function is necessary because toString(16) does not |
34 // you would probably expect, as array[row][column]. The state arrays |
67 * produces two hex caracters for 0 to 15. |
35 // are 2d arrays of the form state[4][Nb]. |
68 */ |
36 |
69 static function string2hex ($s) { |
37 |
70 $hex = ''; |
38 // The number of rounds for the cipher, indexed by [Nk][Nb] |
71 for ($x = 0; $x < strlen($s); $x++) { |
39 var $roundsArray = Array(0,0,0,0,Array(0,0,0,0,10,0, 12,0, 14),0, |
72 $byte = $s{$x}; |
40 Array(0,0,0,0,12,0, 12,0, 14),0, |
73 $hex .= librijndael2::byte2hex($byte); |
41 Array(0,0,0,0,14,0, 14,0, 14) ); |
74 } |
42 |
75 |
43 // The number of bytes to shift by in shiftRow, indexed by [Nb][row] |
76 return $hex; |
44 var $shiftOffsets = Array(0,0,0,0,Array(0,1, 2, 3),0,Array(0,1, 2, 3),0,Array(0,1, 3, 4) ); |
77 } |
45 |
78 |
46 // The round constants used in subkey expansion |
79 /* Convert Hex String to String |
47 var $Rcon = Array( |
80 * 00 (NULL) is not converted! |
48 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, |
81 * Hex String must be even number of chars (A must be 0A, F must be 0F, etc) |
49 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, |
82 */ |
50 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, |
83 static function hex2string($hex) { |
51 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, |
84 $s = ''; |
52 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 ); |
85 if (strlen($hex) % 2 == 1) { |
53 |
86 librijndael2::trace("Error: Hex String must be even number of chars"); |
54 // Precomputed lookup table for the SBox |
87 return -1; |
55 var $SBox = Array( |
88 } |
56 99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, |
89 |
57 118, 202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175, 156, 164, |
90 for ( $i = 0; $i < strlen($hex); $i+=2 ) |
58 114, 192, 183, 253, 147, 38, 54, 63, 247, 204, 52, 165, 229, 241, 113, |
91 { |
59 216, 49, 21, 4, 199, 35, 195, 24, 150, 5, 154, 7, 18, 128, 226, |
92 $byte = $hex{$i} . $hex{$i+1}; |
60 235, 39, 178, 117, 9, 131, 44, 26, 27, 110, 90, 160, 82, 59, 214, |
93 $s .= chr(hexdec($byte)); |
61 179, 41, 227, 47, 132, 83, 209, 0, 237, 32, 252, 177, 91, 106, 203, |
94 } |
62 190, 57, 74, 76, 88, 207, 208, 239, 170, 251, 67, 77, 51, 133, 69, |
95 |
63 249, 2, 127, 80, 60, 159, 168, 81, 163, 64, 143, 146, 157, 56, 245, |
96 return $s; |
64 188, 182, 218, 33, 16, 255, 243, 210, 205, 12, 19, 236, 95, 151, 68, |
97 } |
65 23, 196, 167, 126, 61, 100, 93, 25, 115, 96, 129, 79, 220, 34, 42, |
98 |
66 144, 136, 70, 238, 184, 20, 222, 94, 11, 219, 224, 50, 58, 10, 73, |
99 static function trace($error) |
67 6, 36, 92, 194, 211, 172, 98, 145, 149, 228, 121, 231, 200, 55, 109, |
100 { |
68 141, 213, 78, 169, 108, 86, 244, 234, 101, 122, 174, 8, 186, 120, 37, |
101 //$bt = debug_backtrace(); |
69 46, 28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138, 112, 62, |
102 echo("$error\n"); |
70 181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158, 225, |
103 //echo(print_r($bt, true)); |
71 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85, 40, 223, |
104 |
72 140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15, 176, 84, 187, |
105 exit(); |
73 22 ); |
106 } |
74 |
107 |
75 // Precomputed lookup table for the inverse SBox |
108 static function parseInt($str) |
76 var $SBoxInverse = Array( |
109 { |
77 82, 9, 106, 213, 48, 54, 165, 56, 191, 64, 163, 158, 129, 243, 215, |
110 if ( is_int($str) ) |
78 251, 124, 227, 57, 130, 155, 47, 255, 135, 52, 142, 67, 68, 196, 222, |
111 return $str; |
79 233, 203, 84, 123, 148, 50, 166, 194, 35, 61, 238, 76, 149, 11, 66, |
112 if ( !is_string($str) ) |
80 250, 195, 78, 8, 46, 161, 102, 40, 217, 36, 178, 118, 91, 162, 73, |
113 librijndael2::trace('Error: non-string (' . gettype($str) . ') passed to librijndael2::parseInt(' . $str . ')'); |
81 109, 139, 209, 37, 114, 248, 246, 100, 134, 104, 152, 22, 212, 164, 92, |
114 if ( substr($str, 0, 2) == '0x' ) |
82 204, 93, 101, 182, 146, 108, 112, 72, 80, 253, 237, 185, 218, 94, 21, |
115 { |
83 70, 87, 167, 141, 157, 132, 144, 216, 171, 0, 140, 188, 211, 10, 247, |
116 return ( preg_match('/^0x([a-f0-9][a-f0-9])+$/i', $str) ) ? eval("return $str;") : intval($str); |
84 228, 88, 5, 184, 179, 69, 6, 208, 44, 30, 143, 202, 63, 15, 2, |
117 } |
85 193, 175, 189, 3, 1, 19, 138, 107, 58, 145, 17, 65, 79, 103, 220, |
118 return intval($str); |
86 234, 151, 242, 207, 206, 240, 180, 230, 115, 150, 172, 116, 34, 231, 173, |
119 } |
87 53, 133, 226, 249, 55, 232, 28, 117, 223, 110, 71, 241, 26, 113, 29, |
120 |
88 41, 197, 137, 111, 183, 98, 14, 170, 24, 190, 27, 252, 86, 62, 75, |
121 static function ord2hex($byte) |
89 198, 210, 121, 32, 154, 219, 192, 254, 120, 205, 90, 244, 31, 221, 168, |
122 { |
90 51, 136, 7, 199, 49, 177, 18, 16, 89, 39, 128, 236, 95, 96, 81, |
123 if ( !is_int($byte) ) |
91 127, 169, 25, 181, 74, 13, 45, 229, 122, 159, 147, 201, 156, 239, 160, |
124 librijndael2::trace('Error: non-integer passed to ord2hex()'); |
92 224, 59, 77, 174, 42, 245, 176, 200, 235, 187, 60, 131, 83, 153, 97, |
125 $result = strval(dechex($byte)); |
93 23, 43, 4, 126, 186, 119, 214, 38, 225, 105, 20, 99, 85, 33, 12, |
126 if ( strlen($result) < 2 ) |
94 125 ); |
127 $result = "0$result"; |
95 |
128 return $result; |
96 function __construct($ks = 128, $bs = 128, $debug = false) |
129 } |
97 { |
130 } |
98 $this->keySizeInBits = $ks; |
131 |
99 $this->blockSizeInBits = $bs; |
132 class Crypt_Rijndael |
100 |
133 { |
101 // Use the Mcrypt library? This speeds things up dramatically. |
134 |
102 if(defined('MCRYPT_RIJNDAEL_' . $ks) && defined('MCRYPT_ACCEL')) |
135 //////////////////// TABLES, STRUCTURES... //////////////////////// |
103 { |
136 |
104 eval('$mcb = MCRYPT_RIJNDAEL_' . $ks.';'); |
137 var $Te0 = array( |
105 $bks = mcrypt_module_get_algo_block_size($mcb); |
138 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, |
106 $bks = $bks * 8; |
139 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, |
107 if ( $bks != $bs ) |
140 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, |
|
141 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, |
|
142 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, |
|
143 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, |
|
144 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, |
|
145 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, |
|
146 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, |
|
147 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, |
|
148 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, |
|
149 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, |
|
150 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, |
|
151 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, |
|
152 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, |
|
153 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, |
|
154 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, |
|
155 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, |
|
156 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, |
|
157 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, |
|
158 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, |
|
159 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, |
|
160 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, |
|
161 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, |
|
162 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, |
|
163 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, |
|
164 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, |
|
165 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, |
|
166 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, |
|
167 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, |
|
168 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, |
|
169 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, |
|
170 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, |
|
171 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, |
|
172 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, |
|
173 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, |
|
174 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, |
|
175 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, |
|
176 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, |
|
177 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, |
|
178 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, |
|
179 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, |
|
180 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, |
|
181 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, |
|
182 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, |
|
183 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, |
|
184 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, |
|
185 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, |
|
186 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, |
|
187 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, |
|
188 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, |
|
189 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, |
|
190 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, |
|
191 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, |
|
192 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, |
|
193 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, |
|
194 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, |
|
195 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, |
|
196 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, |
|
197 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, |
|
198 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, |
|
199 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, |
|
200 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, |
|
201 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a |
|
202 ); |
|
203 |
|
204 var $Te1 = array( |
|
205 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, |
|
206 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, |
|
207 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, |
|
208 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, |
|
209 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, |
|
210 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, |
|
211 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, |
|
212 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, |
|
213 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, |
|
214 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, |
|
215 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, |
|
216 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, |
|
217 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, |
|
218 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, |
|
219 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, |
|
220 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, |
|
221 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, |
|
222 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, |
|
223 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, |
|
224 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, |
|
225 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, |
|
226 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, |
|
227 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, |
|
228 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, |
|
229 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, |
|
230 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, |
|
231 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, |
|
232 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, |
|
233 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, |
|
234 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, |
|
235 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, |
|
236 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, |
|
237 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, |
|
238 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, |
|
239 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, |
|
240 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, |
|
241 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, |
|
242 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, |
|
243 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, |
|
244 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, |
|
245 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, |
|
246 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, |
|
247 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, |
|
248 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, |
|
249 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, |
|
250 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, |
|
251 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, |
|
252 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, |
|
253 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, |
|
254 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, |
|
255 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, |
|
256 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, |
|
257 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, |
|
258 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, |
|
259 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, |
|
260 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, |
|
261 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, |
|
262 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, |
|
263 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, |
|
264 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, |
|
265 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, |
|
266 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, |
|
267 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, |
|
268 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616 |
|
269 ); |
|
270 |
|
271 var $Te2 = array( |
|
272 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, |
|
273 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, |
|
274 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, |
|
275 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, |
|
276 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, |
|
277 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, |
|
278 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, |
|
279 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, |
|
280 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, |
|
281 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, |
|
282 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, |
|
283 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, |
|
284 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, |
|
285 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, |
|
286 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, |
|
287 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, |
|
288 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, |
|
289 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, |
|
290 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, |
|
291 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, |
|
292 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, |
|
293 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, |
|
294 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, |
|
295 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, |
|
296 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, |
|
297 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, |
|
298 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, |
|
299 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, |
|
300 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, |
|
301 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, |
|
302 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, |
|
303 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, |
|
304 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, |
|
305 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, |
|
306 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, |
|
307 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, |
|
308 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, |
|
309 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, |
|
310 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, |
|
311 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, |
|
312 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, |
|
313 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, |
|
314 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, |
|
315 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, |
|
316 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, |
|
317 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, |
|
318 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, |
|
319 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, |
|
320 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, |
|
321 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, |
|
322 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, |
|
323 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, |
|
324 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, |
|
325 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, |
|
326 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, |
|
327 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, |
|
328 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, |
|
329 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, |
|
330 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, |
|
331 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, |
|
332 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, |
|
333 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, |
|
334 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, |
|
335 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16 |
|
336 ); |
|
337 |
|
338 var $Te3 = array( |
|
339 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, |
|
340 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, |
|
341 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, |
|
342 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, |
|
343 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, |
|
344 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, |
|
345 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, |
|
346 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, |
|
347 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, |
|
348 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, |
|
349 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, |
|
350 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, |
|
351 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, |
|
352 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, |
|
353 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, |
|
354 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, |
|
355 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, |
|
356 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, |
|
357 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, |
|
358 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, |
|
359 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, |
|
360 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, |
|
361 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, |
|
362 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, |
|
363 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, |
|
364 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, |
|
365 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, |
|
366 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, |
|
367 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, |
|
368 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, |
|
369 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, |
|
370 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, |
|
371 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, |
|
372 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, |
|
373 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, |
|
374 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, |
|
375 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, |
|
376 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, |
|
377 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, |
|
378 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, |
|
379 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, |
|
380 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, |
|
381 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, |
|
382 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, |
|
383 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, |
|
384 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, |
|
385 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, |
|
386 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, |
|
387 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, |
|
388 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, |
|
389 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, |
|
390 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, |
|
391 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, |
|
392 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, |
|
393 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, |
|
394 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, |
|
395 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, |
|
396 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, |
|
397 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, |
|
398 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, |
|
399 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, |
|
400 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, |
|
401 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, |
|
402 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c |
|
403 ); |
|
404 |
|
405 var $Te4 = array( |
|
406 0x63636363, 0x7c7c7c7c, 0x77777777, 0x7b7b7b7b, |
|
407 0xf2f2f2f2, 0x6b6b6b6b, 0x6f6f6f6f, 0xc5c5c5c5, |
|
408 0x30303030, 0x01010101, 0x67676767, 0x2b2b2b2b, |
|
409 0xfefefefe, 0xd7d7d7d7, 0xabababab, 0x76767676, |
|
410 0xcacacaca, 0x82828282, 0xc9c9c9c9, 0x7d7d7d7d, |
|
411 0xfafafafa, 0x59595959, 0x47474747, 0xf0f0f0f0, |
|
412 0xadadadad, 0xd4d4d4d4, 0xa2a2a2a2, 0xafafafaf, |
|
413 0x9c9c9c9c, 0xa4a4a4a4, 0x72727272, 0xc0c0c0c0, |
|
414 0xb7b7b7b7, 0xfdfdfdfd, 0x93939393, 0x26262626, |
|
415 0x36363636, 0x3f3f3f3f, 0xf7f7f7f7, 0xcccccccc, |
|
416 0x34343434, 0xa5a5a5a5, 0xe5e5e5e5, 0xf1f1f1f1, |
|
417 0x71717171, 0xd8d8d8d8, 0x31313131, 0x15151515, |
|
418 0x04040404, 0xc7c7c7c7, 0x23232323, 0xc3c3c3c3, |
|
419 0x18181818, 0x96969696, 0x05050505, 0x9a9a9a9a, |
|
420 0x07070707, 0x12121212, 0x80808080, 0xe2e2e2e2, |
|
421 0xebebebeb, 0x27272727, 0xb2b2b2b2, 0x75757575, |
|
422 0x09090909, 0x83838383, 0x2c2c2c2c, 0x1a1a1a1a, |
|
423 0x1b1b1b1b, 0x6e6e6e6e, 0x5a5a5a5a, 0xa0a0a0a0, |
|
424 0x52525252, 0x3b3b3b3b, 0xd6d6d6d6, 0xb3b3b3b3, |
|
425 0x29292929, 0xe3e3e3e3, 0x2f2f2f2f, 0x84848484, |
|
426 0x53535353, 0xd1d1d1d1, 0x00000000, 0xedededed, |
|
427 0x20202020, 0xfcfcfcfc, 0xb1b1b1b1, 0x5b5b5b5b, |
|
428 0x6a6a6a6a, 0xcbcbcbcb, 0xbebebebe, 0x39393939, |
|
429 0x4a4a4a4a, 0x4c4c4c4c, 0x58585858, 0xcfcfcfcf, |
|
430 0xd0d0d0d0, 0xefefefef, 0xaaaaaaaa, 0xfbfbfbfb, |
|
431 0x43434343, 0x4d4d4d4d, 0x33333333, 0x85858585, |
|
432 0x45454545, 0xf9f9f9f9, 0x02020202, 0x7f7f7f7f, |
|
433 0x50505050, 0x3c3c3c3c, 0x9f9f9f9f, 0xa8a8a8a8, |
|
434 0x51515151, 0xa3a3a3a3, 0x40404040, 0x8f8f8f8f, |
|
435 0x92929292, 0x9d9d9d9d, 0x38383838, 0xf5f5f5f5, |
|
436 0xbcbcbcbc, 0xb6b6b6b6, 0xdadadada, 0x21212121, |
|
437 0x10101010, 0xffffffff, 0xf3f3f3f3, 0xd2d2d2d2, |
|
438 0xcdcdcdcd, 0x0c0c0c0c, 0x13131313, 0xecececec, |
|
439 0x5f5f5f5f, 0x97979797, 0x44444444, 0x17171717, |
|
440 0xc4c4c4c4, 0xa7a7a7a7, 0x7e7e7e7e, 0x3d3d3d3d, |
|
441 0x64646464, 0x5d5d5d5d, 0x19191919, 0x73737373, |
|
442 0x60606060, 0x81818181, 0x4f4f4f4f, 0xdcdcdcdc, |
|
443 0x22222222, 0x2a2a2a2a, 0x90909090, 0x88888888, |
|
444 0x46464646, 0xeeeeeeee, 0xb8b8b8b8, 0x14141414, |
|
445 0xdededede, 0x5e5e5e5e, 0x0b0b0b0b, 0xdbdbdbdb, |
|
446 0xe0e0e0e0, 0x32323232, 0x3a3a3a3a, 0x0a0a0a0a, |
|
447 0x49494949, 0x06060606, 0x24242424, 0x5c5c5c5c, |
|
448 0xc2c2c2c2, 0xd3d3d3d3, 0xacacacac, 0x62626262, |
|
449 0x91919191, 0x95959595, 0xe4e4e4e4, 0x79797979, |
|
450 0xe7e7e7e7, 0xc8c8c8c8, 0x37373737, 0x6d6d6d6d, |
|
451 0x8d8d8d8d, 0xd5d5d5d5, 0x4e4e4e4e, 0xa9a9a9a9, |
|
452 0x6c6c6c6c, 0x56565656, 0xf4f4f4f4, 0xeaeaeaea, |
|
453 0x65656565, 0x7a7a7a7a, 0xaeaeaeae, 0x08080808, |
|
454 0xbabababa, 0x78787878, 0x25252525, 0x2e2e2e2e, |
|
455 0x1c1c1c1c, 0xa6a6a6a6, 0xb4b4b4b4, 0xc6c6c6c6, |
|
456 0xe8e8e8e8, 0xdddddddd, 0x74747474, 0x1f1f1f1f, |
|
457 0x4b4b4b4b, 0xbdbdbdbd, 0x8b8b8b8b, 0x8a8a8a8a, |
|
458 0x70707070, 0x3e3e3e3e, 0xb5b5b5b5, 0x66666666, |
|
459 0x48484848, 0x03030303, 0xf6f6f6f6, 0x0e0e0e0e, |
|
460 0x61616161, 0x35353535, 0x57575757, 0xb9b9b9b9, |
|
461 0x86868686, 0xc1c1c1c1, 0x1d1d1d1d, 0x9e9e9e9e, |
|
462 0xe1e1e1e1, 0xf8f8f8f8, 0x98989898, 0x11111111, |
|
463 0x69696969, 0xd9d9d9d9, 0x8e8e8e8e, 0x94949494, |
|
464 0x9b9b9b9b, 0x1e1e1e1e, 0x87878787, 0xe9e9e9e9, |
|
465 0xcececece, 0x55555555, 0x28282828, 0xdfdfdfdf, |
|
466 0x8c8c8c8c, 0xa1a1a1a1, 0x89898989, 0x0d0d0d0d, |
|
467 0xbfbfbfbf, 0xe6e6e6e6, 0x42424242, 0x68686868, |
|
468 0x41414141, 0x99999999, 0x2d2d2d2d, 0x0f0f0f0f, |
|
469 0xb0b0b0b0, 0x54545454, 0xbbbbbbbb, 0x16161616 |
|
470 ); |
|
471 |
|
472 var $Td0 = array( |
|
473 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, |
|
474 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, |
|
475 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, |
|
476 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, |
|
477 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, |
|
478 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, |
|
479 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, |
|
480 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, |
|
481 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, |
|
482 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, |
|
483 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, |
|
484 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, |
|
485 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, |
|
486 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, |
|
487 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, |
|
488 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, |
|
489 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, |
|
490 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, |
|
491 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, |
|
492 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, |
|
493 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, |
|
494 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, |
|
495 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, |
|
496 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, |
|
497 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, |
|
498 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, |
|
499 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, |
|
500 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, |
|
501 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, |
|
502 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, |
|
503 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, |
|
504 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, |
|
505 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, |
|
506 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, |
|
507 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, |
|
508 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, |
|
509 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, |
|
510 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, |
|
511 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, |
|
512 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, |
|
513 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, |
|
514 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, |
|
515 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, |
|
516 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, |
|
517 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, |
|
518 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, |
|
519 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, |
|
520 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, |
|
521 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, |
|
522 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, |
|
523 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, |
|
524 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, |
|
525 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, |
|
526 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, |
|
527 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, |
|
528 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, |
|
529 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, |
|
530 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, |
|
531 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, |
|
532 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, |
|
533 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, |
|
534 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, |
|
535 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, |
|
536 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742 |
|
537 ); |
|
538 |
|
539 var $Td1 = array( |
|
540 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, |
|
541 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, |
|
542 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, |
|
543 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, |
|
544 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, |
|
545 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, |
|
546 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, |
|
547 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, |
|
548 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, |
|
549 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, |
|
550 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, |
|
551 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, |
|
552 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, |
|
553 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, |
|
554 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, |
|
555 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, |
|
556 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, |
|
557 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, |
|
558 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, |
|
559 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, |
|
560 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, |
|
561 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, |
|
562 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, |
|
563 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, |
|
564 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, |
|
565 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, |
|
566 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, |
|
567 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, |
|
568 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, |
|
569 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, |
|
570 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, |
|
571 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, |
|
572 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, |
|
573 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, |
|
574 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, |
|
575 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, |
|
576 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, |
|
577 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, |
|
578 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, |
|
579 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, |
|
580 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, |
|
581 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, |
|
582 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, |
|
583 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, |
|
584 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, |
|
585 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, |
|
586 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, |
|
587 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, |
|
588 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, |
|
589 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, |
|
590 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, |
|
591 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, |
|
592 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, |
|
593 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, |
|
594 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, |
|
595 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, |
|
596 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, |
|
597 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, |
|
598 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, |
|
599 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, |
|
600 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, |
|
601 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, |
|
602 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, |
|
603 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857 |
|
604 ); |
|
605 |
|
606 var $Td2 = array( |
|
607 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, |
|
608 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, |
|
609 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, |
|
610 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, |
|
611 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, |
|
612 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, |
|
613 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, |
|
614 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, |
|
615 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, |
|
616 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, |
|
617 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, |
|
618 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, |
|
619 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, |
|
620 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, |
|
621 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, |
|
622 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, |
|
623 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, |
|
624 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, |
|
625 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, |
|
626 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, |
|
627 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, |
|
628 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, |
|
629 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, |
|
630 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, |
|
631 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, |
|
632 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, |
|
633 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, |
|
634 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, |
|
635 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, |
|
636 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, |
|
637 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, |
|
638 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, |
|
639 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, |
|
640 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, |
|
641 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, |
|
642 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, |
|
643 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, |
|
644 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, |
|
645 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, |
|
646 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, |
|
647 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, |
|
648 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, |
|
649 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, |
|
650 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, |
|
651 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, |
|
652 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, |
|
653 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, |
|
654 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, |
|
655 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, |
|
656 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, |
|
657 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, |
|
658 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, |
|
659 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, |
|
660 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, |
|
661 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, |
|
662 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, |
|
663 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, |
|
664 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, |
|
665 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, |
|
666 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, |
|
667 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, |
|
668 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, |
|
669 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, |
|
670 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8 |
|
671 ); |
|
672 |
|
673 var $Td3 = array( |
|
674 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, |
|
675 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, |
|
676 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, |
|
677 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, |
|
678 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, |
|
679 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, |
|
680 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, |
|
681 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, |
|
682 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, |
|
683 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, |
|
684 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, |
|
685 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, |
|
686 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, |
|
687 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, |
|
688 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, |
|
689 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, |
|
690 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, |
|
691 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, |
|
692 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, |
|
693 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, |
|
694 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, |
|
695 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, |
|
696 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, |
|
697 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, |
|
698 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, |
|
699 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, |
|
700 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, |
|
701 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, |
|
702 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, |
|
703 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, |
|
704 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, |
|
705 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, |
|
706 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, |
|
707 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, |
|
708 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, |
|
709 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, |
|
710 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, |
|
711 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, |
|
712 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, |
|
713 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, |
|
714 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, |
|
715 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, |
|
716 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, |
|
717 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, |
|
718 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, |
|
719 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, |
|
720 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, |
|
721 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, |
|
722 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, |
|
723 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, |
|
724 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, |
|
725 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, |
|
726 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, |
|
727 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, |
|
728 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, |
|
729 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, |
|
730 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, |
|
731 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, |
|
732 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, |
|
733 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, |
|
734 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, |
|
735 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, |
|
736 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, |
|
737 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0 |
|
738 ); |
|
739 |
|
740 var $Td4 = array( |
|
741 0x52525252, 0x09090909, 0x6a6a6a6a, 0xd5d5d5d5, |
|
742 0x30303030, 0x36363636, 0xa5a5a5a5, 0x38383838, |
|
743 0xbfbfbfbf, 0x40404040, 0xa3a3a3a3, 0x9e9e9e9e, |
|
744 0x81818181, 0xf3f3f3f3, 0xd7d7d7d7, 0xfbfbfbfb, |
|
745 0x7c7c7c7c, 0xe3e3e3e3, 0x39393939, 0x82828282, |
|
746 0x9b9b9b9b, 0x2f2f2f2f, 0xffffffff, 0x87878787, |
|
747 0x34343434, 0x8e8e8e8e, 0x43434343, 0x44444444, |
|
748 0xc4c4c4c4, 0xdededede, 0xe9e9e9e9, 0xcbcbcbcb, |
|
749 0x54545454, 0x7b7b7b7b, 0x94949494, 0x32323232, |
|
750 0xa6a6a6a6, 0xc2c2c2c2, 0x23232323, 0x3d3d3d3d, |
|
751 0xeeeeeeee, 0x4c4c4c4c, 0x95959595, 0x0b0b0b0b, |
|
752 0x42424242, 0xfafafafa, 0xc3c3c3c3, 0x4e4e4e4e, |
|
753 0x08080808, 0x2e2e2e2e, 0xa1a1a1a1, 0x66666666, |
|
754 0x28282828, 0xd9d9d9d9, 0x24242424, 0xb2b2b2b2, |
|
755 0x76767676, 0x5b5b5b5b, 0xa2a2a2a2, 0x49494949, |
|
756 0x6d6d6d6d, 0x8b8b8b8b, 0xd1d1d1d1, 0x25252525, |
|
757 0x72727272, 0xf8f8f8f8, 0xf6f6f6f6, 0x64646464, |
|
758 0x86868686, 0x68686868, 0x98989898, 0x16161616, |
|
759 0xd4d4d4d4, 0xa4a4a4a4, 0x5c5c5c5c, 0xcccccccc, |
|
760 0x5d5d5d5d, 0x65656565, 0xb6b6b6b6, 0x92929292, |
|
761 0x6c6c6c6c, 0x70707070, 0x48484848, 0x50505050, |
|
762 0xfdfdfdfd, 0xedededed, 0xb9b9b9b9, 0xdadadada, |
|
763 0x5e5e5e5e, 0x15151515, 0x46464646, 0x57575757, |
|
764 0xa7a7a7a7, 0x8d8d8d8d, 0x9d9d9d9d, 0x84848484, |
|
765 0x90909090, 0xd8d8d8d8, 0xabababab, 0x00000000, |
|
766 0x8c8c8c8c, 0xbcbcbcbc, 0xd3d3d3d3, 0x0a0a0a0a, |
|
767 0xf7f7f7f7, 0xe4e4e4e4, 0x58585858, 0x05050505, |
|
768 0xb8b8b8b8, 0xb3b3b3b3, 0x45454545, 0x06060606, |
|
769 0xd0d0d0d0, 0x2c2c2c2c, 0x1e1e1e1e, 0x8f8f8f8f, |
|
770 0xcacacaca, 0x3f3f3f3f, 0x0f0f0f0f, 0x02020202, |
|
771 0xc1c1c1c1, 0xafafafaf, 0xbdbdbdbd, 0x03030303, |
|
772 0x01010101, 0x13131313, 0x8a8a8a8a, 0x6b6b6b6b, |
|
773 0x3a3a3a3a, 0x91919191, 0x11111111, 0x41414141, |
|
774 0x4f4f4f4f, 0x67676767, 0xdcdcdcdc, 0xeaeaeaea, |
|
775 0x97979797, 0xf2f2f2f2, 0xcfcfcfcf, 0xcececece, |
|
776 0xf0f0f0f0, 0xb4b4b4b4, 0xe6e6e6e6, 0x73737373, |
|
777 0x96969696, 0xacacacac, 0x74747474, 0x22222222, |
|
778 0xe7e7e7e7, 0xadadadad, 0x35353535, 0x85858585, |
|
779 0xe2e2e2e2, 0xf9f9f9f9, 0x37373737, 0xe8e8e8e8, |
|
780 0x1c1c1c1c, 0x75757575, 0xdfdfdfdf, 0x6e6e6e6e, |
|
781 0x47474747, 0xf1f1f1f1, 0x1a1a1a1a, 0x71717171, |
|
782 0x1d1d1d1d, 0x29292929, 0xc5c5c5c5, 0x89898989, |
|
783 0x6f6f6f6f, 0xb7b7b7b7, 0x62626262, 0x0e0e0e0e, |
|
784 0xaaaaaaaa, 0x18181818, 0xbebebebe, 0x1b1b1b1b, |
|
785 0xfcfcfcfc, 0x56565656, 0x3e3e3e3e, 0x4b4b4b4b, |
|
786 0xc6c6c6c6, 0xd2d2d2d2, 0x79797979, 0x20202020, |
|
787 0x9a9a9a9a, 0xdbdbdbdb, 0xc0c0c0c0, 0xfefefefe, |
|
788 0x78787878, 0xcdcdcdcd, 0x5a5a5a5a, 0xf4f4f4f4, |
|
789 0x1f1f1f1f, 0xdddddddd, 0xa8a8a8a8, 0x33333333, |
|
790 0x88888888, 0x07070707, 0xc7c7c7c7, 0x31313131, |
|
791 0xb1b1b1b1, 0x12121212, 0x10101010, 0x59595959, |
|
792 0x27272727, 0x80808080, 0xecececec, 0x5f5f5f5f, |
|
793 0x60606060, 0x51515151, 0x7f7f7f7f, 0xa9a9a9a9, |
|
794 0x19191919, 0xb5b5b5b5, 0x4a4a4a4a, 0x0d0d0d0d, |
|
795 0x2d2d2d2d, 0xe5e5e5e5, 0x7a7a7a7a, 0x9f9f9f9f, |
|
796 0x93939393, 0xc9c9c9c9, 0x9c9c9c9c, 0xefefefef, |
|
797 0xa0a0a0a0, 0xe0e0e0e0, 0x3b3b3b3b, 0x4d4d4d4d, |
|
798 0xaeaeaeae, 0x2a2a2a2a, 0xf5f5f5f5, 0xb0b0b0b0, |
|
799 0xc8c8c8c8, 0xebebebeb, 0xbbbbbbbb, 0x3c3c3c3c, |
|
800 0x83838383, 0x53535353, 0x99999999, 0x61616161, |
|
801 0x17171717, 0x2b2b2b2b, 0x04040404, 0x7e7e7e7e, |
|
802 0xbabababa, 0x77777777, 0xd6d6d6d6, 0x26262626, |
|
803 0xe1e1e1e1, 0x69696969, 0x14141414, 0x63636363, |
|
804 0x55555555, 0x21212121, 0x0c0c0c0c, 0x7d7d7d7d |
|
805 ); |
|
806 |
|
807 var $rcon = array( |
|
808 0x01000000, 0x02000000, 0x04000000, 0x08000000, |
|
809 0x10000000, 0x20000000, 0x40000000, 0x80000000, |
|
810 0x1B000000, 0x36000000 |
|
811 ); |
|
812 |
|
813 //////////////////// CORE FUNCTIONS /////////////////////////// |
|
814 |
|
815 // Encrypt a single block (bin) and return (bout) |
|
816 function AES_encrypt($bin, $key) |
|
817 { |
|
818 $rk = 0; |
|
819 |
|
820 if ($bin == '' || $key == '') { |
|
821 librijndael2::trace("AES_encrypt: bin/key undefined"); |
|
822 return; |
|
823 } |
|
824 |
|
825 // FIXME: BAD: we need rd_key |
|
826 |
|
827 // map byte array block to cipher state |
|
828 // and add initial round key: |
|
829 |
|
830 $s0 = librijndael2::parseInt("0x" . substr($bin, 0 , 8)) ^ $key->rd_key[0]; |
|
831 $s1 = librijndael2::parseInt("0x" . substr($bin, 8 , 8)) ^ $key->rd_key[1]; |
|
832 $s2 = librijndael2::parseInt("0x" . substr($bin, 16, 8)) ^ $key->rd_key[2]; |
|
833 $s3 = librijndael2::parseInt("0x" . substr($bin, 24, 8)) ^ $key->rd_key[3]; |
|
834 |
|
835 // Using Full Unroll (Bigger more a bit faster :) ) |
|
836 // round 1: |
|
837 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[4]; |
|
838 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[5]; |
|
839 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[6]; |
|
840 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[7]; |
|
841 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[8]; |
|
842 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[9]; |
|
843 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[10]; |
|
844 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[11]; |
|
845 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[12]; |
|
846 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[13]; |
|
847 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[14]; |
|
848 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[15]; |
|
849 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[16]; |
|
850 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[17]; |
|
851 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[18]; |
|
852 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[19]; |
|
853 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[20]; |
|
854 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[21]; |
|
855 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[22]; |
|
856 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[23]; |
|
857 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[24]; |
|
858 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[25]; |
|
859 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[26]; |
|
860 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[27]; |
|
861 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[28]; |
|
862 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[29]; |
|
863 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[30]; |
|
864 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[31]; |
|
865 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[32]; |
|
866 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[33]; |
|
867 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[34]; |
|
868 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[35]; |
|
869 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[36]; |
|
870 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[37]; |
|
871 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[38]; |
|
872 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[39]; |
|
873 |
|
874 // FIXME: BAD: need $key->rounds |
|
875 |
|
876 if ($key->rounds > 10) { |
|
877 // round 10: |
|
878 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[40]; |
|
879 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[41]; |
|
880 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[42]; |
|
881 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[43]; |
|
882 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[44]; |
|
883 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[45]; |
|
884 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[46]; |
|
885 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[47]; |
|
886 |
|
887 if ($key->rounds > 12) { |
|
888 $s0 = $this->Te0[($t0 >> 24) & 0xff] ^ $this->Te1[($t1 >> 16) & 0xff] ^ $this->Te2[($t2 >> 8) & 0xff] ^ $this->Te3[$t3 & 0xff] ^ $key->rd_key[48]; |
|
889 $s1 = $this->Te0[($t1 >> 24) & 0xff] ^ $this->Te1[($t2 >> 16) & 0xff] ^ $this->Te2[($t3 >> 8) & 0xff] ^ $this->Te3[$t0 & 0xff] ^ $key->rd_key[49]; |
|
890 $s2 = $this->Te0[($t2 >> 24) & 0xff] ^ $this->Te1[($t3 >> 16) & 0xff] ^ $this->Te2[($t0 >> 8) & 0xff] ^ $this->Te3[$t1 & 0xff] ^ $key->rd_key[50]; |
|
891 $s3 = $this->Te0[($t3 >> 24) & 0xff] ^ $this->Te1[($t0 >> 16) & 0xff] ^ $this->Te2[($t1 >> 8) & 0xff] ^ $this->Te3[$t2 & 0xff] ^ $key->rd_key[51]; |
|
892 $t0 = $this->Te0[($s0 >> 24) & 0xff] ^ $this->Te1[($s1 >> 16) & 0xff] ^ $this->Te2[($s2 >> 8) & 0xff] ^ $this->Te3[$s3 & 0xff] ^ $key->rd_key[52]; |
|
893 $t1 = $this->Te0[($s1 >> 24) & 0xff] ^ $this->Te1[($s2 >> 16) & 0xff] ^ $this->Te2[($s3 >> 8) & 0xff] ^ $this->Te3[$s0 & 0xff] ^ $key->rd_key[53]; |
|
894 $t2 = $this->Te0[($s2 >> 24) & 0xff] ^ $this->Te1[($s3 >> 16) & 0xff] ^ $this->Te2[($s0 >> 8) & 0xff] ^ $this->Te3[$s1 & 0xff] ^ $key->rd_key[54]; |
|
895 $t3 = $this->Te0[($s3 >> 24) & 0xff] ^ $this->Te1[($s0 >> 16) & 0xff] ^ $this->Te2[($s1 >> 8) & 0xff] ^ $this->Te3[$s2 & 0xff] ^ $key->rd_key[55]; |
|
896 } |
|
897 } |
|
898 |
|
899 // This is correct |
|
900 $rk = $key->rounds << 2; |
|
901 |
|
902 |
|
903 /* |
|
904 // No Full Unroll |
|
905 */ |
|
906 |
|
907 // Apply last round and |
|
908 // map cipher state to byte array block: |
|
909 |
|
910 $s0 = ($this->Te4[($t0 >> 24) & 0xff] & 0xff000000) ^ |
|
911 ($this->Te4[($t1 >> 16) & 0xff] & 0x00ff0000) ^ |
|
912 ($this->Te4[($t2 >> 8) & 0xff] & 0x0000ff00) ^ |
|
913 ($this->Te4[($t3 ) & 0xff] & 0x000000ff) ^ |
|
914 $key->rd_key[$rk]; |
|
915 |
|
916 $out = librijndael2::ord2hex(($s0 >> 24) & 0xff); |
|
917 $out .= librijndael2::ord2hex(($s0 >> 16) & 0xff); |
|
918 $out .= librijndael2::ord2hex(($s0 >> 8) & 0xff); |
|
919 $out .= librijndael2::ord2hex($s0 & 0xff); |
|
920 |
|
921 $s1 = ($this->Te4[($t1 >> 24) & 0xff] & 0xff000000) ^ |
|
922 ($this->Te4[($t2 >> 16) & 0xff] & 0x00ff0000) ^ |
|
923 ($this->Te4[($t3 >> 8) & 0xff] & 0x0000ff00) ^ |
|
924 ($this->Te4[($t0 ) & 0xff] & 0x000000ff) ^ |
|
925 $key->rd_key[$rk+1]; |
|
926 |
|
927 $out .= librijndael2::ord2hex(($s1 >> 24) & 0xff); |
|
928 $out .= librijndael2::ord2hex(($s1 >> 16) & 0xff); |
|
929 $out .= librijndael2::ord2hex(($s1 >> 8) & 0xff); |
|
930 $out .= librijndael2::ord2hex($s1 & 0xff); |
|
931 |
|
932 $s2 = ($this->Te4[($t2 >> 24) & 0xff] & 0xff000000) ^ |
|
933 ($this->Te4[($t3 >> 16) & 0xff] & 0x00ff0000) ^ |
|
934 ($this->Te4[($t0 >> 8) & 0xff] & 0x0000ff00) ^ |
|
935 ($this->Te4[($t1 ) & 0xff] & 0x000000ff) ^ |
|
936 $key->rd_key[$rk+2]; |
|
937 |
|
938 $out .= librijndael2::ord2hex(($s2 >> 24) & 0xff); |
|
939 $out .= librijndael2::ord2hex(($s2 >> 16) & 0xff); |
|
940 $out .= librijndael2::ord2hex(($s2 >> 8) & 0xff); |
|
941 $out .= librijndael2::ord2hex($s2 & 0xff); |
|
942 |
|
943 $s3 = ($this->Te4[($t3 >> 24) & 0xff] & 0xff000000) ^ |
|
944 ($this->Te4[($t0 >> 16) & 0xff] & 0x00ff0000) ^ |
|
945 ($this->Te4[($t1 >> 8) & 0xff] & 0x0000ff00) ^ |
|
946 ($this->Te4[($t2 ) & 0xff] & 0x000000ff) ^ |
|
947 $key->rd_key[$rk+3]; |
|
948 |
|
949 $out .= librijndael2::ord2hex(($s3 >> 24) & 0xff); |
|
950 $out .= librijndael2::ord2hex(($s3 >> 16) & 0xff); |
|
951 $out .= librijndael2::ord2hex(($s3 >> 8) & 0xff); |
|
952 $out .= librijndael2::ord2hex($s3 & 0xff); |
|
953 |
|
954 return $out; |
|
955 } |
|
956 |
|
957 |
|
958 // Decrypt a single block (bin) and return (bout) |
|
959 function AES_decrypt($bin, $key) |
|
960 { |
|
961 $rk = 0; |
|
962 // var r; // No Full Unroll |
|
963 |
|
964 if ($bin == '' || $key == '') |
|
965 { |
|
966 librijndael2::trace("AES_decrypt: bin/key undefined"); |
|
967 return; |
|
968 } |
|
969 |
|
970 // FIXME: BAD: need $key->rd_key |
|
971 |
|
972 // map byte array block to cipher state |
|
973 // and add initial round key: |
|
974 $s0 = librijndael2::parseInt("0x" . substr($bin, 0 , 8)) ^ $key->rd_key[0]; |
|
975 $s1 = librijndael2::parseInt("0x" . substr($bin, 8 , 8)) ^ $key->rd_key[1]; |
|
976 $s2 = librijndael2::parseInt("0x" . substr($bin, 16, 8)) ^ $key->rd_key[2]; |
|
977 $s3 = librijndael2::parseInt("0x" . substr($bin, 24, 8)) ^ $key->rd_key[3]; |
|
978 |
|
979 // Using Full Unroll (Bigger more a bit faster :) ) |
|
980 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[4]; // ROUND 1 |
|
981 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[5]; |
|
982 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[6]; |
|
983 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[7]; |
|
984 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[8]; // ROUND 2 |
|
985 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[9]; |
|
986 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[10]; |
|
987 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[11]; |
|
988 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[12]; // ROUND 3 |
|
989 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[13]; |
|
990 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[14]; |
|
991 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[15]; |
|
992 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[16]; // ROUND 4 |
|
993 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[17]; |
|
994 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[18]; |
|
995 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[19]; |
|
996 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[20]; // ROUND 5 |
|
997 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[21]; |
|
998 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[22]; |
|
999 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[23]; |
|
1000 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[24]; // ROUND 6 |
|
1001 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[25]; |
|
1002 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[26]; |
|
1003 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[27]; |
|
1004 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[28]; // ROUND 7 |
|
1005 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[29]; |
|
1006 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[30]; |
|
1007 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[31]; |
|
1008 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[32]; // ROUND 8 |
|
1009 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[33]; |
|
1010 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[34]; |
|
1011 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[35]; |
|
1012 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[36]; // ROUND 9 |
|
1013 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[37]; |
|
1014 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[38]; |
|
1015 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[39]; |
|
1016 |
|
1017 // FIXME: BAD: need $key->rounds |
|
1018 |
|
1019 if ($key->rounds > 10) |
|
1020 { |
|
1021 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[40]; // ROUND 10 |
|
1022 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[41]; |
|
1023 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[42]; |
|
1024 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[43]; |
|
1025 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[44]; // ROUND 11 |
|
1026 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[45]; |
|
1027 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[46]; |
|
1028 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[47]; |
|
1029 |
|
1030 if ($key->rounds > 12) |
108 { |
1031 { |
109 $mcb = false; |
1032 $s0 = $this->Td0[($t0 >> 24) & 0xff] ^ $this->Td1[($t3 >> 16) & 0xff] ^ $this->Td2[($t2 >> 8) & 0xff] ^ $this->Td3[$t1 & 0xff] ^ $key->rd_key[48]; // ROUND 12 |
110 echo (string)$bks; |
1033 $s1 = $this->Td0[($t1 >> 24) & 0xff] ^ $this->Td1[($t0 >> 16) & 0xff] ^ $this->Td2[($t3 >> 8) & 0xff] ^ $this->Td3[$t2 & 0xff] ^ $key->rd_key[49]; |
|
1034 $s2 = $this->Td0[($t2 >> 24) & 0xff] ^ $this->Td1[($t1 >> 16) & 0xff] ^ $this->Td2[($t0 >> 8) & 0xff] ^ $this->Td3[$t3 & 0xff] ^ $key->rd_key[50]; |
|
1035 $s3 = $this->Td0[($t3 >> 24) & 0xff] ^ $this->Td1[($t2 >> 16) & 0xff] ^ $this->Td2[($t1 >> 8) & 0xff] ^ $this->Td3[$t0 & 0xff] ^ $key->rd_key[51]; |
|
1036 $t0 = $this->Td0[($s0 >> 24) & 0xff] ^ $this->Td1[($s3 >> 16) & 0xff] ^ $this->Td2[($s2 >> 8) & 0xff] ^ $this->Td3[$s1 & 0xff] ^ $key->rd_key[52]; // ROUND 13 |
|
1037 $t1 = $this->Td0[($s1 >> 24) & 0xff] ^ $this->Td1[($s0 >> 16) & 0xff] ^ $this->Td2[($s3 >> 8) & 0xff] ^ $this->Td3[$s2 & 0xff] ^ $key->rd_key[53]; |
|
1038 $t2 = $this->Td0[($s2 >> 24) & 0xff] ^ $this->Td1[($s1 >> 16) & 0xff] ^ $this->Td2[($s0 >> 8) & 0xff] ^ $this->Td3[$s3 & 0xff] ^ $key->rd_key[54]; |
|
1039 $t3 = $this->Td0[($s3 >> 24) & 0xff] ^ $this->Td1[($s2 >> 16) & 0xff] ^ $this->Td2[($s1 >> 8) & 0xff] ^ $this->Td3[$s0 & 0xff] ^ $key->rd_key[55]; |
111 } |
1040 } |
112 } |
1041 } |
|
1042 |
|
1043 // This is correct |
|
1044 $rk = $key->rounds << 2; |
|
1045 |
|
1046 /* |
|
1047 // No Full Unroll |
|
1048 */ |
|
1049 |
|
1050 // Apply last round and |
|
1051 // map cipher state to byte array block: |
|
1052 |
|
1053 $s0 = ($this->Td4[($t0 >> 24) & 0xff] & 0xff000000) ^ |
|
1054 ($this->Td4[($t3 >> 16) & 0xff] & 0x00ff0000) ^ |
|
1055 ($this->Td4[($t2 >> 8) & 0xff] & 0x0000ff00) ^ |
|
1056 ($this->Td4[($t1 ) & 0xff] & 0x000000ff) ^ |
|
1057 $key->rd_key[$rk]; |
|
1058 |
|
1059 $out = librijndael2::ord2hex(($s0 >> 24) & 0xff); |
|
1060 $out .= librijndael2::ord2hex(($s0 >> 16) & 0xff); |
|
1061 $out .= librijndael2::ord2hex(($s0 >> 8) & 0xff); |
|
1062 $out .= librijndael2::ord2hex($s0 & 0xff); |
|
1063 |
|
1064 $s1 = ($this->Td4[($t1 >> 24) & 0xff] & 0xff000000) ^ |
|
1065 ($this->Td4[($t0 >> 16) & 0xff] & 0x00ff0000) ^ |
|
1066 ($this->Td4[($t3 >> 8) & 0xff] & 0x0000ff00) ^ |
|
1067 ($this->Td4[($t2 ) & 0xff] & 0x000000ff) ^ |
|
1068 $key->rd_key[$rk+1]; |
|
1069 |
|
1070 $out .= librijndael2::ord2hex(($s1 >> 24) & 0xff); |
|
1071 $out .= librijndael2::ord2hex(($s1 >> 16) & 0xff); |
|
1072 $out .= librijndael2::ord2hex(($s1 >> 8) & 0xff); |
|
1073 $out .= librijndael2::ord2hex($s1 & 0xff); |
|
1074 |
|
1075 $s2 = ($this->Td4[($t2 >> 24) & 0xff] & 0xff000000) ^ |
|
1076 ($this->Td4[($t1 >> 16) & 0xff] & 0x00ff0000) ^ |
|
1077 ($this->Td4[($t0 >> 8) & 0xff] & 0x0000ff00) ^ |
|
1078 ($this->Td4[($t3 ) & 0xff] & 0x000000ff) ^ |
|
1079 $key->rd_key[$rk+2]; |
|
1080 |
|
1081 $out .= librijndael2::ord2hex(($s2 >> 24) & 0xff); |
|
1082 $out .= librijndael2::ord2hex(($s2 >> 16) & 0xff); |
|
1083 $out .= librijndael2::ord2hex(($s2 >> 8) & 0xff); |
|
1084 $out .= librijndael2::ord2hex($s2 & 0xff); |
|
1085 |
|
1086 $s3 = ($this->Td4[($t3 >> 24) & 0xff] & 0xff000000) ^ |
|
1087 ($this->Td4[($t2 >> 16) & 0xff] & 0x00ff0000) ^ |
|
1088 ($this->Td4[($t1 >> 8) & 0xff] & 0x0000ff00) ^ |
|
1089 ($this->Td4[($t0 ) & 0xff] & 0x000000ff) ^ |
|
1090 $key->rd_key[$rk+3]; |
|
1091 |
|
1092 $out .= librijndael2::ord2hex(($s3 >> 24) & 0xff); |
|
1093 $out .= librijndael2::ord2hex(($s3 >> 16) & 0xff); |
|
1094 $out .= librijndael2::ord2hex(($s3 >> 8) & 0xff); |
|
1095 $out .= librijndael2::ord2hex($s3 & 0xff); |
|
1096 |
|
1097 return $out; |
|
1098 } |
|
1099 |
|
1100 |
|
1101 /////////////////////////////// MODES ////////////////////////////////// |
|
1102 |
|
1103 /* ECB MODE (AES_ecb_encrypt) |
|
1104 * bin: 128 bit block (32 hex digits) |
|
1105 * key: AES_KEY object (use AES_set_encrypt_key or AES_set_decrypt_key) |
|
1106 * enc: "AES_ENCRYPT" or "AES_DECRYPT" |
|
1107 * Return value: 128 bit block (32 hex digits) |
|
1108 */ |
|
1109 |
|
1110 function AES_ecb_encrypt($bin, $key, $enc) |
|
1111 { |
|
1112 |
|
1113 if ($bin == '' || $key == '') |
|
1114 { |
|
1115 librijndael2::trace("AES_ecb_encrypt: bin/key undefined"); |
|
1116 return; |
|
1117 } |
|
1118 |
|
1119 if ($enc !== "AES_ENCRYPT" && $enc !== "AES_DECRYPT") |
|
1120 { |
|
1121 librijndael2::trace("AES_ecb_encrypt: enc isn't AES_ENCRYPT/AES_DECRYPT"); |
|
1122 return; |
|
1123 } |
|
1124 |
|
1125 if ($enc == "AES_ENCRYPT") |
|
1126 $bout = $this->AES_encrypt($bin, $key); |
113 else |
1127 else |
114 { |
1128 $bout = $this->AES_decrypt($bin, $key); |
115 $mcb = false; |
1129 |
116 } |
1130 return $bout; |
|
1131 } |
|
1132 |
|
1133 |
|
1134 /* CBC MODE (AES_cbc_encrypt) |
|
1135 * bin: 128 bit block (32 hex digits) |
|
1136 * key: AES_KEY object (use AES_set_encrypt_key or AES_set_decrypt_key) |
|
1137 * ivec: Initialization Vector (32 hex digits) |
|
1138 * enc: "AES_ENCRYPT" or "AES_DECRYPT" |
|
1139 * Return value: 128 bit block (32 hex digits) |
|
1140 */ |
|
1141 |
|
1142 function AES_cbc_encrypt($bin, $key, $ivec, $enc) |
|
1143 { |
|
1144 |
|
1145 // if ($bin == '' || $key == '' || $ivec == '') |
|
1146 // { |
|
1147 // librijndael2::trace("AES_cbc_encrypt: bin/key/ivec undefined."); |
|
1148 // return; |
|
1149 // } |
|
1150 |
|
1151 $len = strlen($bin); |
|
1152 |
|
1153 if ($len % 32 != 0) |
|
1154 { |
|
1155 librijndael2::trace("AES_cbc_encrypt: data isn't multiple of 32 (32 hex = 128bits)."); |
|
1156 return; |
|
1157 } |
|
1158 |
|
1159 if ($enc !== "AES_ENCRYPT" && $enc !== "AES_DECRYPT") |
|
1160 { |
|
1161 librijndael2::trace("AES_ecb_encrypt: enc isn't AES_ENCRYPT/AES_DECRYPT"); |
|
1162 return; |
|
1163 } |
|
1164 |
|
1165 $tin = $bin; |
|
1166 $tmp = ''; |
|
1167 $bout = ''; |
|
1168 |
|
1169 if ($enc == "AES_ENCRYPT") |
|
1170 while ($len > 0) |
|
1171 { |
|
1172 $tmp = ""; |
|
1173 for($n=0; $n < 32; $n += 2) |
|
1174 { |
|
1175 $aux = librijndael2::parseInt("0x" . substr($tin, $n , 2)) ^ librijndael2::parseInt("0x" . substr($ivec, $n, 2)); |
|
1176 $tmp .= librijndael2::ord2hex($aux); |
|
1177 } |
|
1178 |
|
1179 $tout = $this->AES_encrypt($tmp, $key); |
|
1180 $ivec = $tout; |
|
1181 $len -= 32; |
|
1182 $tin = substr($tin, 32); |
|
1183 $bout .= $tout; |
|
1184 } |
|
1185 else |
|
1186 while ($len > 0) { |
|
1187 $tmp = $this->AES_decrypt($tin, $key); |
|
1188 $tout = ""; |
|
1189 for($n=0; $n < 32; $n+=2) |
|
1190 { |
|
1191 $aux = librijndael2::parseInt("0x" . substr($tmp, $n , 2)) ^ librijndael2::parseInt("0x" . substr($ivec, $n, 2)); |
|
1192 $tout .= librijndael2::ord2hex($aux); |
|
1193 } |
|
1194 |
|
1195 $ivec = $tin; |
|
1196 $len -= 32; |
|
1197 $tin = substr($tin, 32); |
|
1198 $bout .= $tout; |
|
1199 } |
|
1200 |
|
1201 return $bout; |
|
1202 } |
|
1203 |
|
1204 } |
|
1205 |
|
1206 class Crypt_Rijndael_Key extends Crypt_Rijndael |
|
1207 { |
|
1208 var $rounds = 12; |
|
1209 var $rd_key = array(); |
|
1210 var $key = ''; |
|
1211 var $bits = 0; |
|
1212 var $key_state = 'none'; |
|
1213 |
|
1214 function __construct($key) |
|
1215 { |
|
1216 $this->key = $key; |
|
1217 $this->bits = ( strlen($key) * 4 ); |
|
1218 } |
|
1219 |
|
1220 // Expand the cipher key into the encryption key schedule. |
|
1221 function set_encrypt() |
|
1222 { |
|
1223 $i = 0; |
|
1224 $rk = 0; |
|
1225 |
|
1226 if ( $this->key_state == 'encrypt' ) |
|
1227 return 0; |
|
1228 |
|
1229 $this->key_state = 'encrypt'; |
|
1230 |
|
1231 $userkey =& $this->key; |
|
1232 $bits =& $this->bits; |
|
1233 |
|
1234 if ($bits != 128 && $bits != 192 && $bits != 256) |
|
1235 { |
|
1236 librijndael2::trace("AES_set_encrypt_key: key size isn't 128/192/256"); |
|
1237 return -2; |
|
1238 } |
|
1239 |
|
1240 if ($bits==128) |
|
1241 $this->rounds = 10; |
|
1242 else if ($bits==192) |
|
1243 $this->rounds = 12; |
|
1244 else |
|
1245 $this->rounds = 14; |
|
1246 |
|
1247 |
|
1248 $this->rd_key = array(); |
|
1249 $this->rd_key[0] = librijndael2::parseInt("0x" . substr($userkey, 0 , 8)); |
|
1250 $this->rd_key[1] = librijndael2::parseInt("0x" . substr($userkey, 8 , 8)); |
|
1251 $this->rd_key[2] = librijndael2::parseInt("0x" . substr($userkey, 16, 8)); |
|
1252 $this->rd_key[3] = librijndael2::parseInt("0x" . substr($userkey, 24, 8)); |
|
1253 |
|
1254 if ($bits == 128) { |
|
1255 for (;;) { |
|
1256 $temp = $this->rd_key[3+$rk]; |
|
1257 // (temp >> 24) & 0xff was difficult bug to tracking... |
|
1258 $this->rd_key[4+$rk] = $this->rd_key[$rk] ^ |
|
1259 ($this->Te4[($temp >> 16) & 0xff] & 0xff000000) ^ |
|
1260 ($this->Te4[($temp >> 8) & 0xff] & 0x00ff0000) ^ |
|
1261 ($this->Te4[ $temp & 0xff] & 0x0000ff00) ^ |
|
1262 ($this->Te4[($temp >> 24) & 0xff] & 0x000000ff) ^ |
|
1263 $this->rcon[$i]; |
|
1264 |
|
1265 $this->rd_key[5+$rk] = $this->rd_key[1+$rk] ^ $this->rd_key[4+$rk]; |
|
1266 $this->rd_key[6+$rk] = $this->rd_key[2+$rk] ^ $this->rd_key[5+$rk]; |
|
1267 $this->rd_key[7+$rk] = $this->rd_key[3+$rk] ^ $this->rd_key[6+$rk]; |
|
1268 if (++$i == 10) return 0; |
|
1269 $rk += 4; |
|
1270 } |
|
1271 } |
|
1272 |
|
1273 $this->rd_key[4] = librijndael2::parseInt("0x" . @substr($userkey, 32, 8)); |
|
1274 $this->rd_key[5] = librijndael2::parseInt("0x" . @substr($userkey, 40, 8)); |
|
1275 |
|
1276 if ($bits == 192) { |
|
1277 for (;;) { |
|
1278 $temp = $this->rd_key[5+$rk]; |
|
1279 $this->rd_key[6+$rk] = $this->rd_key[$rk] ^ |
|
1280 ($this->Te4[($temp >> 16) & 0xff] & 0xff000000) ^ |
|
1281 ($this->Te4[($temp >> 8) & 0xff] & 0x00ff0000) ^ |
|
1282 ($this->Te4[($temp ) & 0xff] & 0x0000ff00) ^ |
|
1283 ($this->Te4[($temp >> 24) & 0xff] & 0x000000ff) ^ |
|
1284 $this->rcon[$i]; |
|
1285 |
|
1286 $this->rd_key[7+$rk] = $this->rd_key[1+$rk] ^ $this->rd_key[6 + $rk]; |
|
1287 $this->rd_key[8+$rk] = $this->rd_key[2 + $rk] ^ $this->rd_key[7 + $rk]; |
|
1288 $this->rd_key[9+$rk] = $this->rd_key[3 + $rk] ^ $this->rd_key[8 + $rk]; |
|
1289 if (++$i == 8) { |
|
1290 return 0; |
|
1291 } |
|
1292 $this->rd_key[10 + $rk] = $this->rd_key[4 + $rk] ^ $this->rd_key[9 + $rk]; |
|
1293 $this->rd_key[11 + $rk] = $this->rd_key[5 + $rk] ^ $this->rd_key[10 + $rk]; |
|
1294 $rk += 6; |
|
1295 } |
|
1296 } |
|
1297 |
|
1298 $this->rd_key[6] = librijndael2::parseInt("0x" . @substr($userkey, 48, 8)); |
|
1299 $this->rd_key[7] = librijndael2::parseInt("0x" . @substr($userkey, 56, 8)); |
|
1300 |
|
1301 if ($bits == 256) { |
|
1302 for (;;) { |
|
1303 $temp = $this->rd_key[7+$rk]; |
|
1304 $this->rd_key[8+$rk] = $this->rd_key[$rk] ^ |
|
1305 ($this->Te4[($temp >> 16) & 0xff] & 0xff000000) ^ |
|
1306 ($this->Te4[($temp >> 8) & 0xff] & 0x00ff0000) ^ |
|
1307 ($this->Te4[($temp ) & 0xff] & 0x0000ff00) ^ |
|
1308 ($this->Te4[($temp >> 24) & 0xff] & 0x000000ff) ^ |
|
1309 $this->rcon[$i]; |
117 |
1310 |
118 $this->mcrypt = $mcb; |
1311 $this->rd_key[9 + $rk] = $this->rd_key[1 + $rk] ^ $this->rd_key[8 + $rk]; |
119 |
1312 $this->rd_key[10 + $rk] = $this->rd_key[2 + $rk] ^ $this->rd_key[9 + $rk]; |
120 // Cipher parameters ... do not change these |
1313 $this->rd_key[11 + $rk] = $this->rd_key[3 + $rk] ^ $this->rd_key[10 + $rk]; |
121 $this->Nk = $this->keySizeInBits / 32; |
1314 if (++$i == 7) { |
122 $this->Nb = $this->blockSizeInBits / 32; |
1315 return 0; |
123 $this->Nr = $this->roundsArray[$this->Nk][$this->Nb]; |
1316 } |
124 $this->debug = $debug; |
1317 |
125 } |
1318 $temp = $this->rd_key[11 + $rk]; |
126 |
1319 $this->rd_key[12 + $rk] = $this->rd_key[4 + $rk] ^ |
127 public static function singleton($key_size, $block_size) |
1320 ($this->Te4[($temp >> 24) & 0xff] & 0xff000000) ^ |
128 { |
1321 ($this->Te4[($temp >> 16) & 0xff] & 0x00ff0000) ^ |
129 static $_aes_objcache; |
1322 ($this->Te4[($temp >> 8) & 0xff] & 0x0000ff00) ^ |
130 if ( isset($_aes_objcache["$key_size,$block_size"]) ) |
1323 ($this->Te4[($temp ) & 0xff] & 0x000000ff); |
131 { |
1324 |
132 return $_aes_objcache["$key_size,$block_size"]; |
1325 $this->rd_key[13 + $rk] = $this->rd_key[5 + $rk] ^ $this->rd_key[12 + $rk]; |
133 } |
1326 $this->rd_key[14 + $rk] = $this->rd_key[6 + $rk] ^ $this->rd_key[13 + $rk]; |
134 |
1327 $this->rd_key[15 + $rk] = $this->rd_key[7 + $rk] ^ $this->rd_key[14 + $rk]; |
135 $_aes_objcache["$key_size,$block_size"] = new AESCrypt($key_size, $block_size); |
1328 $rk += 8; |
136 return $_aes_objcache["$key_size,$block_size"]; |
1329 } |
137 } |
1330 } |
138 |
1331 return 0; |
139 // Error handler |
1332 } |
140 |
1333 |
141 function trigger_error($text, $level = E_USER_NOTICE) |
1334 |
142 { |
1335 // Expand the cipher key into the decryption key schedule. |
143 $bt = debug_backtrace(); |
1336 function set_decrypt() |
144 $lastfunc =& $bt[1]; |
1337 { |
145 switch($level) |
1338 $i = 0; |
146 { |
1339 $j = 0; |
147 case E_USER_NOTICE: |
1340 $rk = 0; |
148 default: |
1341 $bits =& $this->bits; |
149 $desc = 'Notice'; |
1342 |
150 break; |
1343 if ( $this->key_state == 'decrypt' ) |
151 case E_USER_WARNING: |
1344 return 0; |
152 $desc = 'Warning'; |
1345 |
153 break; |
1346 $this->key_state = 'decrypt'; |
154 case E_USER_ERROR: |
1347 |
155 $desc = 'Fatal'; |
1348 // first, start with an encryption schedule |
156 break; |
1349 $status = $this->set_encrypt($bits); |
157 } |
1350 |
158 ob_start(); |
1351 if ($status < 0) { |
159 if($this->debug || $level == E_USER_ERROR) echo "AES encryption: <b>{$desc}:</b> $text in {$lastfunc['file']} on line {$lastfunc['line']} in function {$lastfunc['function']}<br />"; |
1352 librijndael2::trace("AES_set_decrypt_key: AES_set_encrypt_key error"); |
160 if($this->debug) |
1353 return; |
161 { |
1354 } |
162 //echo '<pre>'.enano_debug_print_backtrace(true).'</pre>'; |
1355 |
163 } |
1356 // invert the order of the round keys: |
164 ob_end_flush(); |
1357 for ($i = 0, $j = 4*($this->rounds); $i < $j; $i += 4, $j -= 4) { |
165 if($level == E_USER_ERROR) |
1358 $temp = $this->rd_key[$i]; $this->rd_key[$i] = $this->rd_key[$j]; $this->rd_key[$j] = $temp; |
166 { |
1359 $temp = $this->rd_key[$i+1]; $this->rd_key[$i+1] = $this->rd_key[$j+1]; $this->rd_key[$j+1] = $temp; |
167 echo '<p><b>This can sometimes happen if you are upgrading Enano to a new version and did not log out first.</b> <a href="'.$_SERVER['PHP_SELF'].'?do=diag&sub=cookie_destroy">Click here</a> to force cookies to clear and try again. You will be logged out.</p>'; |
1360 $temp = $this->rd_key[$i+2]; $this->rd_key[$i+2] = $this->rd_key[$j+2]; $this->rd_key[$j+2] = $temp; |
168 exit; |
1361 $temp = $this->rd_key[$i+3]; $this->rd_key[$i+3] = $this->rd_key[$j+3]; $this->rd_key[$j+3] = $temp; |
169 } |
1362 } |
170 } |
1363 |
171 |
1364 // apply the inverse MixColumn transform to all round keys but the first and the last: |
172 function array_slice_js_compat($array, $start, $finish = 0) |
1365 for ($i = 1; $i < ($this->rounds); $i++) { |
173 { |
1366 |
174 $len = $finish - $start; |
1367 $rk += 4; |
175 if($len < 0) $len = 0 - $len; |
1368 $this->rd_key[$rk] = |
176 //if($this->debug) echo (string)$len . ' '; |
1369 $this->Td0[$this->Te4[($this->rd_key[$rk] >> 24) & 0xff] & 0xff] ^ |
177 //if(count($array) < $start + $len) |
1370 $this->Td1[$this->Te4[($this->rd_key[$rk] >> 16) & 0xff] & 0xff] ^ |
178 // $this->trigger_error('Index out of range', E_USER_WARNING); |
1371 $this->Td2[$this->Te4[($this->rd_key[$rk] >> 8) & 0xff] & 0xff] ^ |
179 return array_slice($array, $start, $len); |
1372 $this->Td3[$this->Te4[($this->rd_key[$rk] ) & 0xff] & 0xff]; |
180 } |
1373 |
181 |
1374 $this->rd_key[1+$rk] = |
182 function concat($s1, $s2) |
1375 $this->Td0[$this->Te4[($this->rd_key[1+$rk] >> 24) & 0xff] & 0xff] ^ |
183 { |
1376 $this->Td1[$this->Te4[($this->rd_key[1+$rk] >> 16) & 0xff] & 0xff] ^ |
184 if(is_array($s1) && is_array($s2)) |
1377 $this->Td2[$this->Te4[($this->rd_key[1+$rk] >> 8) & 0xff] & 0xff] ^ |
185 return array_merge($s1, $s2); |
1378 $this->Td3[$this->Te4[($this->rd_key[1+$rk] ) & 0xff] & 0xff]; |
186 elseif( ( is_array($s1) && !is_array($s2) ) || ( !is_array($s1) && is_array($s2) ) ) |
1379 |
187 { |
1380 $this->rd_key[2+$rk] = |
188 $this->trigger_error('incompatible types - you can\'t combine a non-array with an array', E_USER_WARNING); |
1381 $this->Td0[$this->Te4[($this->rd_key[2+$rk] >> 24) & 0xff] & 0xff] ^ |
189 return false; |
1382 $this->Td1[$this->Te4[($this->rd_key[2+$rk] >> 16) & 0xff] & 0xff] ^ |
|
1383 $this->Td2[$this->Te4[($this->rd_key[2+$rk] >> 8) & 0xff] & 0xff] ^ |
|
1384 $this->Td3[$this->Te4[($this->rd_key[2+$rk] ) & 0xff] & 0xff]; |
|
1385 |
|
1386 $this->rd_key[3+$rk] = |
|
1387 $this->Td0[$this->Te4[($this->rd_key[3+$rk] >> 24) & 0xff] & 0xff] ^ |
|
1388 $this->Td1[$this->Te4[($this->rd_key[3+$rk] >> 16) & 0xff] & 0xff] ^ |
|
1389 $this->Td2[$this->Te4[($this->rd_key[3+$rk] >> 8) & 0xff] & 0xff] ^ |
|
1390 $this->Td3[$this->Te4[($this->rd_key[3+$rk] ) & 0xff] & 0xff]; |
|
1391 } |
|
1392 return 0; |
|
1393 } |
|
1394 } |
|
1395 |
|
1396 /** |
|
1397 * Frontend for Crypt_Rijndael, ABI-compatible with the old Rijndael framework. |
|
1398 * @package Enano |
|
1399 * @subpackage Crypto |
|
1400 * @author Dan Fuhry |
|
1401 * @license GNU General Public License |
|
1402 */ |
|
1403 |
|
1404 class AESCrypt |
|
1405 { |
|
1406 |
|
1407 /** |
|
1408 * Fetches a Crypt_Rijndael_Key object for the given hex or binary key. |
|
1409 * @param string Key, binary or hex format |
|
1410 * @return object |
|
1411 * @access protected |
|
1412 */ |
|
1413 |
|
1414 protected static function fetch_key($key) |
|
1415 { |
|
1416 static $objects = array(); |
|
1417 |
|
1418 if ( !preg_match('/^[a-f0-9]+$/i', $key) ) |
|
1419 $key = librijndael2::string2hex($key); |
|
1420 |
|
1421 if ( isset($objects[$key]) ) |
|
1422 { |
|
1423 return $objects[$key]; |
190 } |
1424 } |
191 else |
1425 else |
192 return $s1 . $s2; |
1426 { |
193 } |
1427 $objects[$key] = new Crypt_Rijndael_Key($key); |
194 |
1428 $ret =& $objects[$key]; |
195 // This method circularly shifts the array left by the number of elements |
1429 return $ret; |
196 // given in its parameter. It returns the resulting array and is used for |
1430 } |
197 // the ShiftRow step. Note that shift() and push() could be used for a more |
1431 } |
198 // elegant solution, but they require IE5.5+, so I chose to do it manually. |
1432 |
199 |
1433 /** |
200 function cyclicShiftLeft($theArray, $positions) { |
1434 * Fetches a Crypt_Rijndael object. |
201 if(!is_int($positions)) |
1435 * @return object |
202 { |
1436 * @access protected |
203 $this->trigger_error('$positions is not an integer! Backtrace:<br /><pre>'.print_r(debug_backtrace(), true).'</pre>', E_USER_WARNING); |
1437 */ |
204 return false; |
1438 |
205 } |
1439 protected static function fetch_cr_singleton() |
206 $second = array_slice($theArray, 0, $positions); |
1440 { |
207 $first = array_slice($theArray, $positions); |
1441 static $o = null; |
208 $theArray = array_merge($first, $second); |
1442 |
209 return $theArray; |
1443 if ( is_object($o) ) |
210 } |
1444 { |
211 |
1445 return $o; |
212 // Multiplies the element "poly" of GF(2^8) by x. See the Rijndael spec. |
1446 } |
213 |
|
214 function xtime($poly) { |
|
215 $poly <<= 1; |
|
216 return (($poly & 0x100) ? ($poly ^ 0x11B) : ($poly)); |
|
217 } |
|
218 |
|
219 // Multiplies the two elements of GF(2^8) together and returns the result. |
|
220 // See the Rijndael spec, but should be straightforward: for each power of |
|
221 // the indeterminant that has a 1 coefficient in x, add y times that power |
|
222 // to the result. x and y should be bytes representing elements of GF(2^8) |
|
223 |
|
224 function mult_GF256($x, $y) { |
|
225 $result = 0; |
|
226 |
|
227 for ($bit = 1; $bit < 256; $bit *= 2, $y = $this->xtime($y)) { |
|
228 if ($x & $bit) |
|
229 $result ^= $y; |
|
230 } |
|
231 return $result; |
|
232 } |
|
233 |
|
234 // Performs the substitution step of the cipher. State is the 2d array of |
|
235 // state information (see spec) and direction is string indicating whether |
|
236 // we are performing the forward substitution ("encrypt") or inverse |
|
237 // substitution (anything else) |
|
238 |
|
239 function byteSub(&$state, $direction) { |
|
240 //global $this->SBox, $this->SBoxInverse, $this->Nb; |
|
241 if ($direction == "encrypt") // Point S to the SBox we're using |
|
242 $S =& $this->SBox; |
|
243 else |
1447 else |
244 $S =& $this->SBoxInverse; |
1448 { |
245 for ($i = 0; $i < 4; $i++) // Substitute for every byte in state |
1449 $o = new Crypt_Rijndael(); |
246 for ($j = 0; $j < $this->Nb; $j++) |
1450 $r =& $o; |
247 $state[$i][$j] = $S[$state[$i][$j]]; |
1451 return $r; |
248 } |
1452 } |
249 |
1453 } |
250 // Performs the row shifting step of the cipher. |
1454 |
251 |
1455 /** |
252 function shiftRow(&$state, $direction) { |
1456 * Pads a string with nul bytes until it reaches a multiple of 16 bytes. |
253 //global $this->Nb, $this->shiftOffsets; |
1457 * @param string |
254 for ($i=1; $i<4; $i++) // Row 0 never shifts |
1458 * @return string |
255 if ($direction == "encrypt") |
1459 */ |
256 $state[$i] = $this->cyclicShiftLeft($state[$i], $this->shiftOffsets[$this->Nb][$i]); |
1460 |
257 else |
1461 function pad_string($string) |
258 $state[$i] = $this->cyclicShiftLeft($state[$i], $this->Nb - $this->shiftOffsets[$this->Nb][$i]); |
1462 { |
259 |
1463 while ( strlen($string) % 32 > 0 ) |
260 } |
1464 { |
261 |
1465 $string .= "\000"; |
262 // Performs the column mixing step of the cipher. Most of these steps can |
1466 } |
263 // be combined into table lookups on 32bit values (at least for encryption) |
1467 return $string; |
264 // to greatly increase the speed. |
1468 } |
265 |
1469 |
266 function mixColumn(&$state, $direction) { |
1470 /** |
267 //global $this->Nb; |
1471 * Constructor. Currently does not take parameters and ignores options from the old API. |
268 $b = Array(); // Result of matrix multiplications |
1472 */ |
269 for ($j = 0; $j < $this->Nb; $j++) { // Go through each column... |
1473 |
270 for ($i = 0; $i < 4; $i++) { // and for each row in the column... |
1474 public function __construct($key_size = 192, $block_size = 128, $debug = false) |
271 if ($direction == "encrypt") |
1475 { |
272 $b[$i] = $this->mult_GF256($state[$i][$j], 2) ^ // perform mixing |
|
273 $this->mult_GF256($state[($i+1)%4][$j], 3) ^ |
|
274 $state[($i+2)%4][$j] ^ |
|
275 $state[($i+3)%4][$j]; |
|
276 else |
|
277 $b[$i] = $this->mult_GF256($state[$i][$j], 0xE) ^ |
|
278 $this->mult_GF256($state[($i+1)%4][$j], 0xB) ^ |
|
279 $this->mult_GF256($state[($i+2)%4][$j], 0xD) ^ |
|
280 $this->mult_GF256($state[($i+3)%4][$j], 9); |
|
281 } |
|
282 for ($i = 0; $i < 4; $i++) // Place result back into column |
|
283 $state[$i][$j] = $b[$i]; |
|
284 } |
|
285 } |
|
286 |
|
287 // Adds the current round key to the state information. Straightforward. |
|
288 |
|
289 function addRoundKey(&$state, $roundKey) { |
|
290 //global $this->Nb; |
|
291 for ($j = 0; $j < $this->Nb; $j++) { // Step through columns... |
|
292 $state[0][$j] ^= ( $roundKey[$j] & 0xFF); // and XOR |
|
293 $state[1][$j] ^= (($roundKey[$j]>>8) & 0xFF); |
|
294 $state[2][$j] ^= (($roundKey[$j]>>16) & 0xFF); |
|
295 $state[3][$j] ^= (($roundKey[$j]>>24) & 0xFF); |
|
296 } |
|
297 } |
|
298 |
|
299 // This function creates the expanded key from the input (128/192/256-bit) |
|
300 // key. The parameter key is an array of bytes holding the value of the key. |
|
301 // The returned value is an array whose elements are the 32-bit words that |
|
302 // make up the expanded key. |
|
303 |
|
304 function keyExpansion($key) { |
|
305 //global $this->keySizeInBits, $this->blockSizeInBits, $this->roundsArray, $this->Nk, $this->Nb, $this->Nr, $this->Nk, $this->SBox, $this->Rcon; |
|
306 $expandedKey = Array(); |
|
307 |
|
308 // in case the key size or parameters were changed... |
|
309 $this->Nk = $this->keySizeInBits / 32; |
|
310 $this->Nb = $this->blockSizeInBits / 32; |
|
311 $this->Nr = $this->roundsArray[$this->Nk][$this->Nb]; |
|
312 |
|
313 for ($j=0; $j < $this->Nk; $j++) // Fill in input key first |
|
314 $expandedKey[$j] = |
|
315 ($key[4*$j]) | ($key[4*$j+1]<<8) | ($key[4*$j+2]<<16) | ($key[4*$j+3]<<24); |
|
316 |
|
317 // Now walk down the rest of the array filling in expanded key bytes as |
|
318 // per Rijndael's spec |
|
319 for ($j = $this->Nk; $j < $this->Nb * ($this->Nr + 1); $j++) { // For each word of expanded key |
|
320 $temp = $expandedKey[$j - 1]; |
|
321 if ($j % $this->Nk == 0) |
|
322 $temp = ( ($this->SBox[($temp>>8) & 0xFF]) | |
|
323 ($this->SBox[($temp>>16) & 0xFF]<<8) | |
|
324 ($this->SBox[($temp>>24) & 0xFF]<<16) | |
|
325 ($this->SBox[$temp & 0xFF]<<24) ) ^ $this->Rcon[floor($j / $this->Nk) - 1]; |
|
326 elseif ($this->Nk > 6 && $j % $this->Nk == 4) |
|
327 $temp = ($this->SBox[($temp>>24) & 0xFF]<<24) | |
|
328 ($this->SBox[($temp>>16) & 0xFF]<<16) | |
|
329 ($this->SBox[($temp>>8) & 0xFF]<<8) | |
|
330 ($this->SBox[ $temp & 0xFF]); |
|
331 $expandedKey[$j] = $expandedKey[$j-$this->Nk] ^ $temp; |
|
332 } |
|
333 return $expandedKey; |
|
334 } |
|
335 |
|
336 // Rijndael's round functions... |
|
337 |
|
338 function RijndaelRound(&$state, $roundKey) { |
|
339 $this->byteSub($state, "encrypt"); |
|
340 $this->shiftRow($state, "encrypt"); |
|
341 $this->mixColumn($state, "encrypt"); |
|
342 $this->addRoundKey($state, $roundKey); |
|
343 } |
|
344 |
|
345 function InverseRijndaelRound(&$state, $roundKey) { |
|
346 $this->addRoundKey($state, $roundKey); |
|
347 $this->mixColumn($state, "decrypt"); |
|
348 $this->shiftRow($state, "decrypt"); |
|
349 $this->byteSub($state, "decrypt"); |
|
350 } |
|
351 |
|
352 function FinalRijndaelRound(&$state, $roundKey) { |
|
353 $this->byteSub($state, "encrypt"); |
|
354 $this->shiftRow($state, "encrypt"); |
|
355 $this->addRoundKey($state, $roundKey); |
|
356 } |
|
357 |
|
358 function InverseFinalRijndaelRound(&$state, $roundKey){ |
|
359 $this->addRoundKey($state, $roundKey); |
|
360 $this->shiftRow($state, "decrypt"); |
|
361 $this->byteSub($state, "decrypt"); |
|
362 } |
|
363 |
|
364 // encrypt is the basic encryption function. It takes parameters |
|
365 // block, an array of bytes representing a plaintext block, and expandedKey, |
|
366 // an array of words representing the expanded key previously returned by |
|
367 // keyExpansion(). The ciphertext block is returned as an array of bytes. |
|
368 |
|
369 function cryptBlock($block, $expandedKey) { |
|
370 //global $this->blockSizeInBits, $this->Nb, $this->Nr; |
|
371 $t=count($block)*8; |
|
372 if (!is_array($block) || count($block)*8 != $this->blockSizeInBits) |
|
373 { |
|
374 $this->trigger_error('block is bad or block size is wrong<pre>'.print_r($block, true).'</pre><p>Aiming for size '.$this->blockSizeInBits.', got '.$t.'.', E_USER_WARNING); |
|
375 return false; |
|
376 } |
|
377 if (!$expandedKey) |
|
378 return; |
|
379 |
|
380 $block = $this->packBytes($block); |
|
381 $this->addRoundKey($block, $expandedKey); |
|
382 for ($i=1; $i<$this->Nr; $i++) |
|
383 $this->RijndaelRound($block, $this->array_slice_js_compat($expandedKey, $this->Nb*$i, $this->Nb*($i+1))); |
|
384 $this->FinalRijndaelRound($block, $this->array_slice_js_compat($expandedKey, $this->Nb*$this->Nr)); |
|
385 $ret = $this->unpackBytes($block); |
|
386 return $ret; |
|
387 } |
|
388 |
|
389 // decrypt is the basic decryption function. It takes parameters |
|
390 // block, an array of bytes representing a ciphertext block, and expandedKey, |
|
391 // an array of words representing the expanded key previously returned by |
|
392 // keyExpansion(). The decrypted block is returned as an array of bytes. |
|
393 |
|
394 function unCryptBlock($block, $expandedKey) { |
|
395 $t = count($block)*8; |
|
396 if (!is_array($block) || count($block)*8 != $this->blockSizeInBits) |
|
397 { |
|
398 $this->trigger_error('$block is not a valid rijndael-block array: '.$this->byteArrayToHex($block).'<pre>'.print_r($block, true).'</pre><p>Block size is '.$t.', should be '.$this->blockSizeInBits.'</p>', E_USER_WARNING); |
|
399 return false; |
|
400 } |
|
401 if (!$expandedKey) |
|
402 { |
|
403 $this->trigger_error('$expandedKey is invalid', E_USER_WARNING); |
|
404 return false; |
|
405 } |
|
406 |
|
407 $block = $this->packBytes($block); |
|
408 $this->InverseFinalRijndaelRound($block, $this->array_slice_js_compat($expandedKey, $this->Nb*$this->Nr)); |
|
409 for ($i = $this->Nr - 1; $i>0; $i--) |
|
410 { |
|
411 $this->InverseRijndaelRound($block, $this->array_slice_js_compat($expandedKey, $this->Nb*$i, $this->Nb*($i+1))); |
|
412 } |
|
413 $this->addRoundKey($block, $expandedKey); |
|
414 $ret = $this->unpackBytes($block); |
|
415 if(!is_array($ret)) |
|
416 { |
|
417 $this->trigger_error('$ret is not an array', E_USER_WARNING); |
|
418 } |
|
419 return $ret; |
|
420 } |
|
421 |
|
422 // This method takes a byte array (byteArray) and converts it to a string by |
|
423 // applying String.fromCharCode() to each value and concatenating the result. |
|
424 // The resulting string is returned. Note that this function SKIPS zero bytes |
|
425 // under the assumption that they are padding added in formatPlaintext(). |
|
426 // Obviously, do not invoke this method on raw data that can contain zero |
|
427 // bytes. It is really only appropriate for printable ASCII/Latin-1 |
|
428 // values. Roll your own function for more robust functionality :) |
|
429 |
|
430 function byteArrayToString($byteArray) { |
|
431 $result = ""; |
|
432 for($i=0; $i<count($byteArray); $i++) |
|
433 if ($byteArray[$i] != 0) |
|
434 $result .= chr($byteArray[$i]); |
|
435 return $result; |
|
436 } |
|
437 |
|
438 // This function takes an array of bytes (byteArray) and converts them |
|
439 // to a hexadecimal string. Array element 0 is found at the beginning of |
|
440 // the resulting string, high nibble first. Consecutive elements follow |
|
441 // similarly, for example [16, 255] --> "10ff". The function returns a |
|
442 // string. |
|
443 |
|
444 /* |
|
445 function byteArrayToHex($byteArray) { |
|
446 $result = ""; |
|
447 if (!$byteArray) |
|
448 return; |
|
449 for ($i=0; $i<count($byteArray); $i++) |
|
450 $result .= (($byteArray[$i]<16) ? "0" : "") + toString($byteArray[$i]); // magic number here is 16, not sure how to handle this... |
|
451 |
|
452 return $result; |
|
453 } |
|
454 */ |
|
455 function byteArrayToHex($arr) |
|
456 { |
|
457 $ret = ''; |
|
458 foreach($arr as $a) |
|
459 { |
|
460 $nibble = (string)dechex(intval($a)); |
|
461 if(strlen($nibble) == 1) $nibble = '0' . $nibble; |
|
462 $ret .= $nibble; |
|
463 } |
|
464 return $ret; |
|
465 } |
|
466 |
|
467 // PHP equivalent of Javascript's toString() |
|
468 function toString($bool) |
|
469 { |
|
470 if(is_bool($bool)) |
|
471 return ($bool) ? 'true' : 'false'; |
|
472 elseif(is_array($bool)) |
|
473 return implode(',', $bool); |
|
474 else |
|
475 return (string)$bool; |
|
476 } |
|
477 |
|
478 // This function converts a string containing hexadecimal digits to an |
|
479 // array of bytes. The resulting byte array is filled in the order the |
|
480 // values occur in the string, for example "10FF" --> [16, 255]. This |
|
481 // function returns an array. |
|
482 |
|
483 /* |
|
484 function hexToByteArray($hexString) { |
|
485 $byteArray = Array(); |
|
486 if (strlen($hexString) % 2) // must have even length |
|
487 return; |
|
488 if (strstr($hexString, "0x") == $hexString || strstr($hexString, "0X") == $hexString) |
|
489 $hexString = substr($hexString, 2); |
|
490 for ($i = 0; $i<strlen($hexString); $i++,$i++) |
|
491 $byteArray[floor($i/2)] = intval(substr($hexString, $i, 2)); // again, that strange magic number: 16 |
|
492 return $byteArray; |
|
493 } |
|
494 */ |
|
495 function hexToByteArray($str) |
|
496 { |
|
497 if(substr($str, 0, 2) == '0x' || substr($str, 0, 2) == '0X') |
|
498 $str = substr($str, 2); |
|
499 $arr = Array(); |
|
500 $str = $this->enano_str_split($str, 2); |
|
501 foreach($str as $s) |
|
502 { |
|
503 $arr[] = intval(hexdec($s)); |
|
504 } |
|
505 return $arr; |
|
506 } |
|
507 |
|
508 // This function packs an array of bytes into the four row form defined by |
|
509 // Rijndael. It assumes the length of the array of bytes is divisible by |
|
510 // four. Bytes are filled in according to the Rijndael spec (starting with |
|
511 // column 0, row 0 to 3). This function returns a 2d array. |
|
512 |
|
513 function packBytes($octets) { |
|
514 $state = Array(); |
|
515 if (!$octets || count($octets) % 4) |
|
516 return; |
|
517 |
|
518 $state[0] = Array(); $state[1] = Array(); |
|
519 $state[2] = Array(); $state[3] = Array(); |
|
520 for ($j=0; $j<count($octets); $j = $j+4) { |
|
521 $state[0][$j/4] = $octets[$j]; |
|
522 $state[1][$j/4] = $octets[$j+1]; |
|
523 $state[2][$j/4] = $octets[$j+2]; |
|
524 $state[3][$j/4] = $octets[$j+3]; |
|
525 } |
|
526 return $state; |
|
527 } |
|
528 |
|
529 // This function unpacks an array of bytes from the four row format preferred |
|
530 // by Rijndael into a single 1d array of bytes. It assumes the input "packed" |
|
531 // is a packed array. Bytes are filled in according to the Rijndael spec. |
|
532 // This function returns a 1d array of bytes. |
|
533 |
|
534 function unpackBytes($packed) { |
|
535 $result = Array(); |
|
536 for ($j=0; $j<count($packed[0]); $j++) { |
|
537 $result[] = $packed[0][$j]; |
|
538 $result[] = $packed[1][$j]; |
|
539 $result[] = $packed[2][$j]; |
|
540 $result[] = $packed[3][$j]; |
|
541 } |
|
542 return $result; |
|
543 } |
|
544 |
|
545 function charCodeAt($str, $i) |
|
546 { |
|
547 return ord(substr($str, $i, 1)); |
|
548 } |
|
549 |
|
550 function fromCharCode($str) |
|
551 { |
|
552 return chr($str); |
|
553 } |
|
554 |
|
555 // This function takes a prospective plaintext (string or array of bytes) |
|
556 // and pads it with zero bytes if its length is not a multiple of the block |
|
557 // size. If plaintext is a string, it is converted to an array of bytes |
|
558 // in the process. The type checking can be made much nicer using the |
|
559 // instanceof operator, but this operator is not available until IE5.0 so I |
|
560 // chose to use the heuristic below. |
|
561 |
|
562 function formatPlaintext($plaintext) { |
|
563 //global $this->blockSizeInBits; |
|
564 $bpb = $this->blockSizeInBits / 8; // bytes per block |
|
565 |
|
566 // if primitive string or String instance |
|
567 if (is_string($plaintext)) { |
|
568 $plaintext = $this->enano_str_split($plaintext); |
|
569 // Unicode issues here (ignoring high byte) |
|
570 for ($i=0; $i<sizeof($plaintext); $i++) |
|
571 $plaintext[$i] = $this->charCodeAt($plaintext[$i], 0) & 0xFF; |
|
572 } |
|
573 |
|
574 for ($i = $bpb - (sizeof($plaintext) % $bpb); $i > 0 && $i < $bpb; $i--) |
|
575 $plaintext[] = 0; |
|
576 |
|
577 return $plaintext; |
|
578 } |
|
579 |
|
580 // Returns an array containing "howMany" random bytes. YOU SHOULD CHANGE THIS |
|
581 // TO RETURN HIGHER QUALITY RANDOM BYTES IF YOU ARE USING THIS FOR A "REAL" |
|
582 // APPLICATION. (edit: done, mt_rand() is relatively secure) |
|
583 |
|
584 function getRandomBytes($howMany) { |
|
585 $bytes = Array(); |
|
586 for ($i=0; $i<$howMany; $i++) |
|
587 $bytes[$i] = mt_rand(0, 255); |
|
588 return $bytes; |
|
589 } |
|
590 |
|
591 // rijndaelEncrypt(plaintext, key, mode) |
|
592 // Encrypts the plaintext using the given key and in the given mode. |
|
593 // The parameter "plaintext" can either be a string or an array of bytes. |
|
594 // The parameter "key" must be an array of key bytes. If you have a hex |
|
595 // string representing the key, invoke hexToByteArray() on it to convert it |
|
596 // to an array of bytes. The third parameter "mode" is a string indicating |
|
597 // the encryption mode to use, either "ECB" or "CBC". If the parameter is |
|
598 // omitted, ECB is assumed. |
|
599 // |
|
600 // An array of bytes representing the cihpertext is returned. To convert |
|
601 // this array to hex, invoke byteArrayToHex() on it. If you are using this |
|
602 // "for real" it is a good idea to change the function getRandomBytes() to |
|
603 // something that returns truly random bits. |
|
604 |
|
605 function rijndaelEncrypt($plaintext, $key, $mode = 'ECB') { |
|
606 //global $this->blockSizeInBits, $this->keySizeInBits; |
|
607 $bpb = $this->blockSizeInBits / 8; // bytes per block |
|
608 // var ct; // ciphertext |
|
609 |
|
610 if($mode == 'CBC') |
|
611 { |
|
612 if (!is_string($plaintext) || !is_array($key)) |
|
613 { |
|
614 $this->trigger_error('In CBC mode the first and second parameters should be strings', E_USER_WARNING); |
|
615 return false; |
|
616 } |
|
617 } else { |
|
618 if (!is_array($plaintext) || !is_array($key)) |
|
619 { |
|
620 $this->trigger_error('In ECB mode the first and second parameters should be byte arrays', E_USER_WARNING); |
|
621 return false; |
|
622 } |
|
623 } |
|
624 if (sizeof($key)*8 != $this->keySizeInBits) |
|
625 { |
|
626 $this->trigger_error('The key needs to be '. ( $this->keySizeInBits / 8 ) .' bytes in length', E_USER_WARNING); |
|
627 return false; |
|
628 } |
|
629 if ($mode == "CBC") |
|
630 $ct = $this->getRandomBytes($bpb); // get IV |
|
631 else { |
|
632 $mode = "ECB"; |
|
633 $ct = Array(); |
|
634 } |
|
635 |
|
636 // convert plaintext to byte array and pad with zeros if necessary. |
|
637 $plaintext = $this->formatPlaintext($plaintext); |
|
638 |
|
639 $expandedKey = $this->keyExpansion($key); |
|
640 |
|
641 for ($block=0; $block<sizeof($plaintext) / $bpb; $block++) { |
|
642 $aBlock = $this->array_slice_js_compat($plaintext, $block*$bpb, ($block+1)*$bpb); |
|
643 if ($mode == "CBC") |
|
644 { |
|
645 for ($i=0; $i<$bpb; $i++) |
|
646 { |
|
647 $aBlock[$i] ^= $ct[$block*$bpb + $i]; |
|
648 } |
|
649 } |
|
650 $cp = $this->cryptBlock($aBlock, $expandedKey); |
|
651 $ct = $this->concat($ct, $cp); |
|
652 } |
|
653 |
|
654 return $ct; |
|
655 } |
|
656 |
|
657 // rijndaelDecrypt(ciphertext, key, mode) |
|
658 // Decrypts the using the given key and mode. The parameter "ciphertext" |
|
659 // must be an array of bytes. The parameter "key" must be an array of key |
|
660 // bytes. If you have a hex string representing the ciphertext or key, |
|
661 // invoke hexToByteArray() on it to convert it to an array of bytes. The |
|
662 // parameter "mode" is a string, either "CBC" or "ECB". |
|
663 // |
|
664 // An array of bytes representing the plaintext is returned. To convert |
|
665 // this array to a hex string, invoke byteArrayToHex() on it. To convert it |
|
666 // to a string of characters, you can use byteArrayToString(). |
|
667 |
|
668 function rijndaelDecrypt($ciphertext, $key, $mode = 'ECB') { |
|
669 //global $this->blockSizeInBits, $this->keySizeInBits; |
|
670 $bpb = $this->blockSizeInBits / 8; // bytes per block |
|
671 $pt = Array(); // plaintext array |
|
672 // $aBlock; // a decrypted block |
|
673 // $block; // current block number |
|
674 |
|
675 if (!$ciphertext) |
|
676 { |
|
677 $this->trigger_error('$ciphertext should be a byte array', E_USER_WARNING); |
|
678 return false; |
|
679 } |
|
680 if( !is_array($key) ) |
|
681 { |
|
682 $this->trigger_error('$key should be a byte array', E_USER_WARNING); |
|
683 return false; |
|
684 } |
|
685 if( is_string($ciphertext) ) |
|
686 { |
|
687 $this->trigger_error('$ciphertext should be a byte array', E_USER_WARNING); |
|
688 return false; |
|
689 } |
|
690 if (sizeof($key)*8 != $this->keySizeInBits) |
|
691 { |
|
692 $this->trigger_error('Encryption key is the wrong length', E_USER_WARNING); |
|
693 return false; |
|
694 } |
|
695 if (!$mode) |
|
696 $mode = "ECB"; // assume ECB if mode omitted |
|
697 |
|
698 $expandedKey = $this->keyExpansion($key); |
|
699 |
|
700 // work backwards to accomodate CBC mode |
|
701 for ($block=(sizeof($ciphertext) / $bpb)-1; $block>0; $block--) |
|
702 { |
|
703 if( ( $block*$bpb ) + ( ($block+1)*$bpb ) > count($ciphertext) ) |
|
704 { |
|
705 //$this->trigger_error('$ciphertext index out of bounds', E_USER_ERROR); |
|
706 } |
|
707 $current_block = $this->array_slice_js_compat($ciphertext, $block*$bpb, ($block+1)*$bpb); |
|
708 if(count($current_block) * 8 != $this->blockSizeInBits) |
|
709 { |
|
710 // $c=count($current_block)*8; |
|
711 // $this->trigger_error('We got a '.$c.'-bit block, instead of '.$this->blockSizeInBits.'', E_USER_ERROR); |
|
712 } |
|
713 $aBlock = $this->uncryptBlock($current_block, $expandedKey); |
|
714 if(!$aBlock) |
|
715 { |
|
716 $this->trigger_error('Shared block decryption routine returned false', E_USER_WARNING); |
|
717 return false; |
|
718 } |
|
719 if ($mode == "CBC") |
|
720 for ($i=0; $i<$bpb; $i++) |
|
721 $pt[($block-1)*$bpb + $i] = $aBlock[$i] ^ $ciphertext[($block-1)*$bpb + $i]; |
|
722 else |
|
723 $pt = $this->concat($aBlock, $pt); |
|
724 } |
|
725 |
|
726 // do last block if ECB (skips the IV in CBC) |
|
727 if ($mode == "ECB") |
|
728 { |
|
729 $x = $this->uncryptBlock($this->array_slice_js_compat($ciphertext, 0, $bpb), $expandedKey); |
|
730 if(!$x) |
|
731 { |
|
732 $this->trigger_error('ECB block decryption routine returned false', E_USER_WARNING); |
|
733 return false; |
|
734 } |
|
735 $pt = $this->concat($x, $pt); |
|
736 if(!$pt) |
|
737 { |
|
738 $this->trigger_error('ECB concatenation routine returned false', E_USER_WARNING); |
|
739 return false; |
|
740 } |
|
741 } |
|
742 |
|
743 return $pt; |
|
744 } |
1476 } |
745 |
1477 |
746 /** |
1478 /** |
747 * Wrapper for encryption. |
1479 * Wrapper for encryption. |
748 * @param string $text the text to encrypt |
1480 * @param string Plain text to encrypt |
749 * @param string $key the raw binary key to encrypt with |
1481 * @param string Binary or hex key |
750 * @param int $return_encoding optional - can be ENC_BINARY, ENC_HEX or ENC_BASE64 |
1482 * @param int Format to return result in - ENC_BINARY, ENC_HEX, or ENC_BASE64 |
|
1483 * @return string |
751 */ |
1484 */ |
752 |
1485 |
753 function encrypt($text, $key, $return_encoding = ENC_HEX) |
1486 public function encrypt($plaintext, $key, $return_format = ENC_HEX) |
754 { |
1487 { |
755 if ( $text == '' ) |
1488 return $this->encrypt_cbc($plaintext, $key, '00000000000000000000000000000000', ENC_HEX); |
756 return ''; |
|
757 if ( $this->mcrypt && $this->blockSizeInBits == mcrypt_module_get_algo_block_size(eval('return MCRYPT_RIJNDAEL_'.$this->keySizeInBits.';')) ) |
|
758 { |
|
759 $iv_size = mcrypt_get_iv_size($this->mcrypt, MCRYPT_MODE_ECB); |
|
760 $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); |
|
761 $cryptext = mcrypt_encrypt($this->mcrypt, $key, $text, MCRYPT_MODE_ECB, $iv); |
|
762 switch($return_encoding) |
|
763 { |
|
764 case ENC_HEX: |
|
765 default: |
|
766 $cryptext = $this->strtohex($cryptext); |
|
767 break; |
|
768 case ENC_BINARY: |
|
769 $cryptext = $cryptext; |
|
770 break; |
|
771 case ENC_BASE64: |
|
772 $cryptext = base64_encode($cryptext); |
|
773 break; |
|
774 } |
|
775 } |
|
776 else |
|
777 { |
|
778 $key = $this->prepare_string($key); |
|
779 $text = $this->prepare_string($text); |
|
780 profiler_log('AES: Started encryption of a string'); |
|
781 $cryptext = $this->rijndaelEncrypt($text, $key, 'ECB'); |
|
782 profiler_log('AES: Finished encryption of a string'); |
|
783 if(!is_array($cryptext)) |
|
784 { |
|
785 echo 'Warning: encryption failed for string: '.print_r($text,true).'<br />'; |
|
786 return false; |
|
787 } |
|
788 switch($return_encoding) |
|
789 { |
|
790 case ENC_HEX: |
|
791 default: |
|
792 $cryptext = $this->byteArrayToHex($cryptext); |
|
793 break; |
|
794 case ENC_BINARY: |
|
795 $cryptext = $this->byteArrayToString($cryptext); |
|
796 break; |
|
797 case ENC_BASE64: |
|
798 $cryptext = base64_encode($this->byteArrayToString($cryptext)); |
|
799 break; |
|
800 } |
|
801 } |
|
802 return $cryptext; |
|
803 } |
1489 } |
804 |
1490 |
805 /** |
1491 /** |
806 * Wrapper for decryption. |
1492 * Wrapper for decryption. |
807 * @param string $text the encrypted text |
1493 * @param string Encrypted text |
808 * @param string $key the raw binary key used to encrypt the text |
1494 * @param string Binary or hex key |
809 * @param int $input_encoding the encoding used for the encrypted string. Can be ENC_BINARY, ENC_HEX, or ENC_BASE64. |
1495 * @param int Format that the encrypted text is in - ENC_BINARY, ENC_HEX, or ENC_BASE64 |
810 * @param bool $no_cache If true, will not cache the decrypted string on disk. |
1496 * @param bool If true, avoids caching the decryption result. |
811 * @return string |
1497 * @return string |
812 */ |
1498 */ |
813 |
1499 |
814 function decrypt($text, $key, $input_encoding = ENC_HEX, $no_cache = false) |
1500 public function decrypt($cryptext, $key, $input_format = ENC_HEX, $no_cache = false) |
815 { |
1501 { |
816 if ( $text == '' ) |
1502 return $this->decrypt_cbc($cryptext, $key, '00000000000000000000000000000000', ENC_HEX, $no_cache); |
817 return ''; |
1503 } |
818 |
1504 |
819 switch($input_encoding) |
1505 /** |
|
1506 * Wrapper for CBC encryption. |
|
1507 * @param string Plain text to encrypt |
|
1508 * @param string Binary or hex key |
|
1509 * @param string 128-bit initialization vector, either hex or binary will do |
|
1510 * @param int Format to return result in - ENC_BINARY, ENC_HEX, or ENC_BASE64 |
|
1511 */ |
|
1512 |
|
1513 public function encrypt_cbc($plaintext, $key, $ivec, $return_format = ENC_HEX) |
|
1514 { |
|
1515 $okey = self::fetch_key($key); |
|
1516 $okey->set_encrypt(); |
|
1517 $aes = self::fetch_cr_singleton(); |
|
1518 $plaintext = librijndael2::string2hex($plaintext); |
|
1519 |
|
1520 // init ivec |
|
1521 if ( strlen($ivec) == '16' ) |
|
1522 { |
|
1523 $ivec = librijndael2::string2hex($ivec); |
|
1524 } |
|
1525 else if ( preg_match('/^[a-f0-9]+$/i', $ivec) && strlen($ivec) == 32 ) |
|
1526 { |
|
1527 // ivec is good |
|
1528 } |
|
1529 else |
|
1530 { |
|
1531 // invalid ivec |
|
1532 return false; |
|
1533 } |
|
1534 |
|
1535 $result = ''; |
|
1536 $plaintext = str_split($this->pad_string($plaintext), 32); |
|
1537 foreach ( $plaintext as $block ) |
|
1538 { |
|
1539 $result .= $aes->AES_cbc_encrypt($block, $okey, $ivec, 'AES_ENCRYPT'); |
|
1540 } |
|
1541 |
|
1542 switch ( $return_format ) |
820 { |
1543 { |
821 case ENC_BINARY: |
1544 case ENC_BINARY: |
|
1545 return librijndael2::hex2string($result); |
|
1546 case ENC_HEX: |
822 default: |
1547 default: |
823 break; |
1548 return $result; |
824 case ENC_HEX: |
1549 case ENC_BASE64: |
825 $text = $this->hextostring($text); |
1550 return base64_encode(librijndael2::hex2string($result)); |
|
1551 } |
|
1552 } |
|
1553 |
|
1554 /** |
|
1555 * Wrapper for CBC decryption. |
|
1556 * @param string Encrypted text |
|
1557 * @param string Binary or hex key |
|
1558 * @param string 128-bit initialization vector, either hex or binary will do |
|
1559 * @param int Format that the encrypted text is in - ENC_BINARY, ENC_HEX, or ENC_BASE64 |
|
1560 * @param bool If true, avoids caching the decryption result. |
|
1561 * @return string |
|
1562 */ |
|
1563 |
|
1564 public function decrypt_cbc($cryptext, $key, $ivec, $input_format = ENC_HEX, $no_cache = false) |
|
1565 { |
|
1566 // AES_cbc_encrypt() expects hex |
|
1567 switch ( $input_format ) |
|
1568 { |
|
1569 case ENC_BINARY: |
|
1570 $cryptext = librijndael2::string2hex($cryptext); |
826 break; |
1571 break; |
827 case ENC_BASE64: |
1572 case ENC_BASE64: |
828 $text = base64_decode($text); |
1573 $cryptext = librijndael2::string2hex(base64_decode($cryptext)); |
829 break; |
1574 break; |
830 } |
1575 } |
831 |
1576 |
832 // Run memory-cache check |
1577 $hash = sha1("{$cryptext}::{$key}"); |
833 if ( isset($this->decrypt_cache[$key]) && is_array($this->decrypt_cache[$key]) ) |
1578 if ( $cache_result = aes_decrypt_cache_fetch($hash) ) |
834 { |
1579 return $cache_result; |
835 if ( isset($this->decrypt_cache[$key][$text]) ) |
1580 |
836 { |
1581 // load objects |
837 return $this->decrypt_cache[$key][$text]; |
1582 profiler_log("AES: Started decryption of string $hash"); |
838 } |
1583 $okey = self::fetch_key($key); |
839 } |
1584 $okey->set_decrypt(); |
840 |
1585 $aes = self::fetch_cr_singleton(); |
841 // Run disk-cache check |
1586 |
842 $hash = sha1($text . '::' . $key); |
1587 // init ivec |
843 if ( $dypt = aes_decrypt_cache_fetch($hash) ) |
1588 if ( strlen($ivec) == '16' ) |
844 return $dypt; |
1589 { |
845 |
1590 $ivec = librijndael2::string2hex($ivec); |
846 $text_bin = $text; |
1591 } |
847 $key_bin = $key; |
1592 else if ( preg_match('/^[a-f0-9]+$/i', $ivec) && strlen($ivec) == 32 ) |
848 |
1593 { |
849 if ( $this->mcrypt ) |
1594 // ivec is good |
850 { |
|
851 $iv_size = mcrypt_get_iv_size($this->mcrypt, MCRYPT_MODE_ECB); |
|
852 $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); |
|
853 $dypt = mcrypt_decrypt($this->mcrypt, $key, $text, MCRYPT_MODE_ECB, $iv); |
|
854 } |
1595 } |
855 else |
1596 else |
856 { |
1597 { |
857 $etext = $this->prepare_string($text); |
1598 // invalid ivec |
858 $ekey = $this->prepare_string($key); |
1599 return false; |
859 $mod = count($etext) % $this->blockSizeInBits; |
1600 } |
860 profiler_log('AES: Started decryption of a string'); |
1601 |
861 $dypt = $this->rijndaelDecrypt($etext, $ekey, 'ECB'); |
1602 // perform decryption |
862 profiler_log('AES: Finished decryption of a string'); |
1603 $result = ''; |
863 if(!$dypt) |
1604 $cryptext_orig = $cryptext; |
864 { |
1605 $cryptext = str_split($cryptext, 32); |
865 echo '<pre>'.print_r($dypt, true).'</pre>'; |
1606 foreach ( $cryptext as $block ) |
866 $this->trigger_error('Rijndael main decryption routine failed', E_USER_ERROR); |
1607 { |
867 } |
1608 $result .= $aes->AES_cbc_encrypt($block, $okey, $ivec, 'AES_DECRYPT'); |
868 $dypt = $this->byteArrayToString($dypt); |
1609 } |
869 } |
1610 |
870 if ( !isset($this->decrypt_cache[$key_bin]) ) |
1611 // decode result and trim nul bytes |
871 $this->decrypt_cache[$key_bin] = array(); |
1612 $result = librijndael2::hex2string($result); |
872 |
1613 $result = rtrim($result, "\000"); |
873 $this->decrypt_cache[$key_bin][$text_bin] = $dypt; |
|
874 |
1614 |
875 if ( !$no_cache ) |
1615 if ( !$no_cache ) |
876 aes_decrypt_cache_store($text_bin, $dypt, $key_bin); |
1616 aes_decrypt_cache_store($cryptext_orig, $result, $key); |
877 |
1617 |
878 return $dypt; |
1618 profiler_log("AES: Finished decryption of string $hash"); |
|
1619 |
|
1620 // done! :) |
|
1621 return $result; |
879 } |
1622 } |
880 |
1623 |
881 /** |
1624 /** |
882 * Enano-ese equivalent of str_split() which is only found in PHP5 |
1625 * Factory. |
883 * @param $text string the text to split |
1626 * @param int Key size in bits |
884 * @param $inc int size of each block |
1627 * @param int Block size in bits - ONLY 128-bit supported. |
885 * @return array |
1628 * @return object Instance of AESCrypt |
886 */ |
1629 */ |
887 |
1630 |
888 function enano_str_split($text, $inc = 1) |
1631 public static function singleton($key_size = AES_BITS, $block_size = 128) |
889 { |
1632 { |
890 if($inc < 1) return false; |
1633 static $instance = false; |
891 if($inc >= strlen($text)) return Array($text); |
1634 if ( !$instance ) |
892 $len = ceil(strlen($text) / $inc); |
1635 { |
893 $ret = Array(); |
1636 $class = __CLASS__; |
894 for($i=0;$i<strlen($text);$i=$i+$inc) |
1637 $instance = new $class(); |
895 { |
1638 } |
896 $ret[] = substr($text, $i, $inc); |
1639 return $instance; |
897 } |
1640 } |
898 return $ret; |
1641 |
899 } |
|
900 |
|
901 /** |
|
902 * Generates a random key suitable for encryption |
|
903 * @param int $len the length of the key, in bytes |
|
904 * @return string a BINARY key |
|
905 */ |
|
906 |
|
907 function randkey($len = 32) |
|
908 { |
|
909 $key = ''; |
|
910 for($i=0;$i<$len;$i++) |
|
911 { |
|
912 $key .= chr(mt_rand(0, 255)); |
|
913 } |
|
914 if ( @file_exists('/dev/urandom') && @is_readable('/dev/urandom') ) |
|
915 { |
|
916 // Let's use something a little more secure |
|
917 $ur = @fopen('/dev/urandom', 'r'); |
|
918 if ( !$ur ) |
|
919 return $key; |
|
920 $ukey = @fread($ur, $len); |
|
921 fclose($ur); |
|
922 if ( strlen($ukey) != $len ) |
|
923 return $key; |
|
924 return $ukey; |
|
925 } |
|
926 return $key; |
|
927 } |
|
928 |
|
929 /* |
|
930 function byteArrayToString($arr) |
|
931 { |
|
932 if(!is_array($arr)) |
|
933 { |
|
934 $this->trigger_error('First parameter should be an array', E_USER_WARNING); |
|
935 return false; |
|
936 } |
|
937 $ret = ''; |
|
938 foreach($arr as $a) |
|
939 { |
|
940 if($a != 0) $ret .= chr($a); |
|
941 } |
|
942 return $ret; |
|
943 } |
|
944 */ |
|
945 |
|
946 function strtohex($str) |
|
947 { |
|
948 $str = $this->enano_str_split($str); |
|
949 $ret = ''; |
|
950 foreach($str as $s) |
|
951 { |
|
952 $chr = dechex(ord($s)); |
|
953 if(strlen($chr) < 2) $chr = '0' . $chr; |
|
954 $ret .= $chr; |
|
955 } |
|
956 return $ret; |
|
957 } |
|
958 |
|
959 function gen_readymade_key() |
|
960 { |
|
961 $key = $this->strtohex($this->randkey($this->keySizeInBits / 8)); |
|
962 return $key; |
|
963 } |
|
964 |
|
965 function prepare_string($text) |
|
966 { |
|
967 $ret = $this->hexToByteArray($this->strtohex($text)); |
|
968 if(count($ret) != strlen($text)) |
|
969 { |
|
970 die('Could not convert string "' . $text . '" to hex byte array for encryption'); |
|
971 } |
|
972 return $ret; |
|
973 } |
|
974 |
|
975 /** |
|
976 * Decodes a hex string. |
|
977 * @param string $hex The hex code to decode |
|
978 * @return string |
|
979 */ |
|
980 |
|
981 function hextostring($hex) |
|
982 { |
|
983 $hex = $this->enano_str_split($hex, 2); |
|
984 $bin_key = ''; |
|
985 foreach($hex as $nibble) |
|
986 { |
|
987 $byte = chr(hexdec($nibble)); |
|
988 $bin_key .= $byte; |
|
989 } |
|
990 return $bin_key; |
|
991 } |
|
992 } |
1642 } |
993 |
1643 |
994 function aes_decrypt_cache_store($encrypted, $decrypted, $key) |
1644 function aes_decrypt_cache_store($encrypted, $decrypted, $key) |
995 { |
1645 { |
996 $cache_file = ENANO_ROOT . '/cache/aes_decrypt.php'; |
1646 $cache_file = ENANO_ROOT . '/cache/aes_decrypt.php'; |