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- fixed pear.php.net bug # 18015 (thanks, nounours!)

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git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@129 21d32557-59b3-4da0-833f-c5933fad653e
This commit is contained in:
Jim Wigginton 2010-10-31 01:05:29 +00:00
parent 2c06c81e77
commit 19cc43cc16
1 changed files with 3 additions and 2 deletions
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5
phpseclib/Math/BigInteger.php
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@ -67,7 +67,7 @@
* @author Jim Wigginton <terrafrost@php.net> * @author Jim Wigginton <terrafrost@php.net>
* @copyright MMVI Jim Wigginton * @copyright MMVI Jim Wigginton
* @license http://www.gnu.org/licenses/lgpl.txt * @license http://www.gnu.org/licenses/lgpl.txt
* @version $Id: BigInteger.php,v 1.33 2010-03-22 22:32:03 terrafrost Exp $ * @version $Id: BigInteger.php,v 1.33 2010/03/22 22:32:03 terrafrost Exp $
* @link http://pear.php.net/package/Math_BigInteger * @link http://pear.php.net/package/Math_BigInteger
*/ */
@ -596,9 +596,10 @@ class Math_BigInteger {
{ {
$hex = $this->toHex($twos_compliment); $hex = $this->toHex($twos_compliment);
$bits = ''; $bits = '';
for ($i = 0; $i < strlen($hex); $i+=8) { for ($i = 0, $end = strlen($hex) & 0xFFFFFFF8; $i < $end; $i+=8) {
$bits.= str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT); $bits.= str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT);
} }
$bits.= str_pad(decbin(hexdec(substr($hex, $end))), strlen($hex) & 7, '0', STR_PAD_LEFT);
return $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0'); return $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');
} }