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Mods to handle encrypted files on both 32-bit and 64-bit versions of PHP - currently only tested on 32-bit Windows

This commit is contained in:
Mark Baker 2013-12-03 13:51:40 +00:00
parent ee03569d72
commit 7a90c5b888
1 changed files with 7 additions and 7 deletions
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14
Classes/PHPExcel/Reader/Excel5/MD5.php
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@ -174,10 +174,10 @@ class PHPExcel_Reader_Excel5_MD5
self::step($I, $C, $D, $A, $B, $words[2], 15, 0x2ad7d2bb);
self::step($I, $B, $C, $D, $A, $words[9], 21, 0xeb86d391);
$this->a = ($this->a + $A);
$this->b = ($this->b + $B);
$this->c = ($this->c + $C);
$this->d = ($this->d + $D);
$this->a = ($this->a + $A) & 0xffffffff;
$this->b = ($this->b + $B) & 0xffffffff;
$this->c = ($this->c + $C) & 0xffffffff;
$this->d = ($this->d + $D) & 0xffffffff;
}
@ -207,9 +207,9 @@ class PHPExcel_Reader_Excel5_MD5
private static function step($func, &$A, $B, $C, $D, $M, $s, $t)
{
$A = ($A + call_user_func($func, $B, $C, $D) + $M + $t);
$A = ($A + call_user_func($func, $B, $C, $D) + $M + $t) & 0xffffffff;
$A = self::rotate($A, $s);
$A = ($B + $A);
$A = ($B + $A) & 0xffffffff;
}
@ -218,4 +218,4 @@ class PHPExcel_Reader_Excel5_MD5
$binary = str_pad(decbin($decimal), 32, "0", STR_PAD_LEFT);
return bindec(substr($binary, $bits).substr($binary, 0, $bits));
}
}
}