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Optimized Security::cipher(). Fixes #176

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Signed-off-by: Mark Story <mark@mark-story.com>
This commit is contained in:
Juan Basso 2010-01-11 18:51:04 -02:00 • committed by Mark Story
parent 1cfd273052
commit ad496cea18
1 changed files with 6 additions and 4 deletions
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10
cake/libs/security.php
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@ -177,12 +177,14 @@ class Security extends Object {
srand(Configure::read('Security.cipherSeed'));
$out = '';
for ($i = 0; $i < strlen($text); $i++) {
for ($j = 0; $j < ord(substr($key, $i % strlen($key), 1)); $j++) {
$toss = rand(0, 255);
$keyLength = strlen($key);
for ($i = 0, $j = strlen($text); $i < $j; $i++) {
$k = ord($key[$i % $keyLength]);
while ($k-- > 0) {
rand(0, 255);
}
$mask = rand(0, 255);
$out .= chr(ord(substr($text, $i, 1)) ^ $mask);
$out .= chr(ord($text[$i]) ^ $mask);
}
srand();