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Blowfish: make sboxes static

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This commit is contained in:
terrafrost 2018-12-02 12:42:53 -06:00
parent 9bcd851e97
commit 4679cb7bf7
1 changed files with 10 additions and 10 deletions
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20
phpseclib/Crypt/Blowfish.php
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@ -84,7 +84,7 @@ class Blowfish extends BlockCipher
* @access private
* @var array
*/
private $sbox0 = [
private static $sbox0 = [
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
@ -125,7 +125,7 @@ class Blowfish extends BlockCipher
* @access private
* @var array
*/
private $sbox1 = [
private static $sbox1 = [
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
@ -166,7 +166,7 @@ class Blowfish extends BlockCipher
* @access private
* @var array
*/
private $sbox2 = [
private static $sbox2 = [
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
@ -207,7 +207,7 @@ class Blowfish extends BlockCipher
* @access private
* @var array
*/
private $sbox3 = [
private static $sbox3 = [
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
@ -248,7 +248,7 @@ class Blowfish extends BlockCipher
* @var array
* @access private
*/
private $parray = [
private static $parray = [
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b
@ -364,10 +364,10 @@ class Blowfish extends BlockCipher
$this->bctx = [
'p' => [],
'sb' => [
$this->sbox0,
$this->sbox1,
$this->sbox2,
$this->sbox3
self::$sbox0,
self::$sbox1,
self::$sbox2,
self::$sbox3
]
];
@ -382,7 +382,7 @@ class Blowfish extends BlockCipher
$j = 0;
}
}
$this->bctx['p'][] = $this->parray[$i] ^ $data;
$this->bctx['p'][] = self::$parray[$i] ^ $data;
}
// encrypt the zero-string, replace P1 and P2 with the encrypted data,