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BigInteger: fix issue with toBits on 32-bit PHP 8 installs

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This commit is contained in:
terrafrost 2021-02-26 09:17:05 -06:00
parent 488db53bf7
commit b2b867f032
1 changed files with 3 additions and 3 deletions
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6
phpseclib/Math/BigInteger.php
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@ -673,11 +673,11 @@ class Math_BigInteger
{
$hex = $this->toHex($twos_compliment);
$bits = '';
for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) {
$bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits;
for ($i = strlen($hex) - 6, $start = strlen($hex) % 6; $i >= $start; $i-=6) {
$bits = str_pad(decbin(hexdec(substr($hex, $i, 6))), 24, '0', STR_PAD_LEFT) . $bits;
}
if ($start) { // hexdec('') == 0
$bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits;
$bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8 * $start, '0', STR_PAD_LEFT) . $bits;
}
$result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');