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ASN1: rm unused method (decodeLength)

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terrafrost 2017-08-06 10:30:29 -05:00
parent bf537059b1
commit 0ac8b5d5ed
1 changed files with 0 additions and 21 deletions
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phpseclib/File/ASN1.php
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@ -1348,27 +1348,6 @@ abstract class ASN1
return $temp != false ? $temp : $str;
}
/**
* DER-decode the length
*
* DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See
* {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
*
* @access public
* @param string $string
* @return int
*/
public static function decodeLength(&$string)
{
$length = ord(Strings::shift($string));
if ($length & 0x80) { // definite length, long form
$length&= 0x7F;
$temp = Strings::shift($string, $length);
list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4));
}
return $length;
}
/**
* DER-encode the length
*