diff -r de56132c008d -r bdac73ed481e includes/math.php
--- a/includes/math.php	Sun Mar 28 21:49:26 2010 -0400
+++ b/includes/math.php	Sun Mar 28 23:10:46 2010 -0400
@@ -18,70 +18,70 @@
 
 class EnanoMath_GMP
 {
-  var $api = 'GMP';
-  
-  /**
-   * Initializes a number to a GMP integer.
-   * @param string String representation of the number
-   * @param int Base the number is currently in, defaults to 10
-   * @return resource
-   */
-  
-  function init($int, $base = 10)
-  {
-    return ( is_resource($int) ) ? $int : gmp_init($int, $base);
-  }
-  
-  /**
-   * Converts a number from a GMP integer to a string
-   * @param resource
-   * @param int Base, default is 10
-   * @return string
-   */
-  
-  function str($int, $base = 10)
-  {
-    return ( is_string($int) ) ? $int : gmp_strval($int, $base);
-  }
-  
-  /**
-   * Converts a number between bases.
-   * @param resource BigInt to convert
-   * @param int Base to convert from
-   * @param int Base to convert to
-   */
-   
-  function basecon($int, $from, $to)
-  {
-    return $this->init(gmp_strval(gmp_init($this->str($int), $from), $to));
-  }
-  
-  /**
-   * Generates a random integer.
-   * @param int Length
-   * @return resource
-   */
-  
-  function random($len)
-  {
-    return gmp_random($len / 8);
-  }
-  
-  /**
-   * Powmod operation (calculates (a ^ b) mod m)
-   * @param resource a
-   * @param resource b
-   * @param resource m
-   * @return resource
-   */
-  
-  function powmod($a, $b, $m)
-  {
-    $a = $this->init($a);
-    $b = $this->init($b);
-    $m = $this->init($m);
-    return ( function_exists('gmp_powm') ) ? gmp_powm($a, $b, $m) : gmp_mod(gmp_pow($a, $b), $m);
-  }
+	var $api = 'GMP';
+	
+	/**
+ 	* Initializes a number to a GMP integer.
+ 	* @param string String representation of the number
+ 	* @param int Base the number is currently in, defaults to 10
+ 	* @return resource
+ 	*/
+	
+	function init($int, $base = 10)
+	{
+		return ( is_resource($int) ) ? $int : gmp_init($int, $base);
+	}
+	
+	/**
+ 	* Converts a number from a GMP integer to a string
+ 	* @param resource
+ 	* @param int Base, default is 10
+ 	* @return string
+ 	*/
+	
+	function str($int, $base = 10)
+	{
+		return ( is_string($int) ) ? $int : gmp_strval($int, $base);
+	}
+	
+	/**
+ 	* Converts a number between bases.
+ 	* @param resource BigInt to convert
+ 	* @param int Base to convert from
+ 	* @param int Base to convert to
+ 	*/
+ 	
+	function basecon($int, $from, $to)
+	{
+		return $this->init(gmp_strval(gmp_init($this->str($int), $from), $to));
+	}
+	
+	/**
+ 	* Generates a random integer.
+ 	* @param int Length
+ 	* @return resource
+ 	*/
+	
+	function random($len)
+	{
+		return gmp_random($len / 8);
+	}
+	
+	/**
+ 	* Powmod operation (calculates (a ^ b) mod m)
+ 	* @param resource a
+ 	* @param resource b
+ 	* @param resource m
+ 	* @return resource
+ 	*/
+	
+	function powmod($a, $b, $m)
+	{
+		$a = $this->init($a);
+		$b = $this->init($b);
+		$m = $this->init($m);
+		return ( function_exists('gmp_powm') ) ? gmp_powm($a, $b, $m) : gmp_mod(gmp_pow($a, $b), $m);
+	}
 }
 
 /**
@@ -90,70 +90,70 @@
 
 class EnanoMath_BigInt
 {
-  var $api = 'big_int';
-  
-  /**
-   * Initializes a number to a BigInt integer.
-   * @param string String representation of the number
-   * @param int Base the number is in, defaults to 10
-   * @return resource
-   */
-  
-  function init($int, $base = 10)
-  {
-    return (is_resource($int)) ? $int : bi_from_str($int, $base);
-  }
-  
-  /**
-   * Converts a number from a BigInt integer to a string
-   * @param resource
-   * @param int Base, default is 10
-   * @return string
-   */
-  
-  function str($int, $base = 10)
-  {
-    return ( is_string($int) ) ? $int : bi_to_str($int, $base);
-  }
-  
-  /**
-   * Generates a random integer
-   * @param int Length (bits)
-   * @return resource
-   */
-  
-  function random($len)
-  {
-    return bi_rand($len);
-  }
-  
-  /**
-   * Converts a number between bases.
-   * @param resource BigInt to convert
-   * @param int Base to convert from
-   * @param int Base to convert to
-   */
-  
-  function basecon($int, $from, $to)
-  {
-    return bi_base_convert($this->str($int, $from), $from, $to);
-  }
-  
-  /**
-   * Powmod operation (calculates (a ^ b) mod m)
-   * @param resource a
-   * @param resource b
-   * @param resource m
-   * @return resource
-   */
-  
-  function powmod($a, $b, $m)
-  {
-    $a = $this->init($a);
-    $b = $this->init($b);
-    $m = $this->init($m);
-    return bi_powmod($a, $b, $m);
-  }
+	var $api = 'big_int';
+	
+	/**
+ 	* Initializes a number to a BigInt integer.
+ 	* @param string String representation of the number
+ 	* @param int Base the number is in, defaults to 10
+ 	* @return resource
+ 	*/
+	
+	function init($int, $base = 10)
+	{
+		return (is_resource($int)) ? $int : bi_from_str($int, $base);
+	}
+	
+	/**
+ 	* Converts a number from a BigInt integer to a string
+ 	* @param resource
+ 	* @param int Base, default is 10
+ 	* @return string
+ 	*/
+	
+	function str($int, $base = 10)
+	{
+		return ( is_string($int) ) ? $int : bi_to_str($int, $base);
+	}
+	
+	/**
+ 	* Generates a random integer
+ 	* @param int Length (bits)
+ 	* @return resource
+ 	*/
+	
+	function random($len)
+	{
+		return bi_rand($len);
+	}
+	
+	/**
+ 	* Converts a number between bases.
+ 	* @param resource BigInt to convert
+ 	* @param int Base to convert from
+ 	* @param int Base to convert to
+ 	*/
+	
+	function basecon($int, $from, $to)
+	{
+		return bi_base_convert($this->str($int, $from), $from, $to);
+	}
+	
+	/**
+ 	* Powmod operation (calculates (a ^ b) mod m)
+ 	* @param resource a
+ 	* @param resource b
+ 	* @param resource m
+ 	* @return resource
+ 	*/
+	
+	function powmod($a, $b, $m)
+	{
+		$a = $this->init($a);
+		$b = $this->init($b);
+		$m = $this->init($m);
+		return bi_powmod($a, $b, $m);
+	}
 }
 
 /**
@@ -162,129 +162,129 @@
 
 class EnanoMath_BCMath
 {
-  var $api = 'BCMath';
-  
-  /**
-   * Initializes a number to a BCMath integer.
-   * @param string String representation of the number
-   * @param int Base the number is in, defaults to 10
-   * @return resource
-   */
-  
-  function init($int, $base = 10)
-  {
-    return $this->basecon($int, $base, 10);
-  }
-  
-  /**
-   * Converts a number from a BCMath integer to a string
-   * @param resource
-   * @param int Base, default is 10
-   * @return string
-   */
-   
-  function str($res)
-  {
-    return ( is_string($res) ) ? $res : strval($this->basecon($res, 10, $base));
-  }
-  
-  /**
-   * Generates a random integer
-   * @param int Length in bits
-   * @return resource
-   */
-  
-  function random($len)
-  {
-    $len = 4 * $len;
-    $chars = '0123456789abcdef';
-    $ret = '';
-    for ( $i = 0; $i < $len; $i++ )
-    {
-      $chid = mt_rand ( 0, strlen($chars) - 1 );
-      $chr = $chars{$chid};
-      $ret .= $chr;
-    }
-    return $this->basecon($this->init($ret), 16, 10);
-  }
-  
-  /**
-   * Converts a number between bases.
-   * @param resource BigInt to convert
-   * @param int Base to convert from
-   * @param int Base to convert to
-   */
-  
-  function basecon($int, $from, $to)
-  {
-    if ( $from != 10 )
-      $int = $this->_bcmath_base2dec($int, $from);
-    if ( $to != 10 )
-      $int = $this->_bcmath_dec2base($int, $to);
-    return $int;
-  }
-  
-  /**
-   * Powmod operation (calculates (a ^ b) mod m)
-   * @param resource a
-   * @param resource b
-   * @param resource m
-   * @return resource
-   */
-  
-  function powmod($a, $b, $m)
-  {
-    $a = $this->init($a);
-    $b = $this->init($b);
-    $m = $this->init($m);
-    return ( function_exists('bcpowmod') ) ? bcpowmod($a, $b, $m) : bcmod( bcpow($a, $b), $m );
-  }
-  
-  // from us.php.net/bc:
-  // convert a decimal value to any other base value
-  function _bcmath_dec2base($dec,$base,$digits=FALSE) {
-      if($base<2 or $base>256) die("Invalid Base: ".$base);
-      bcscale(0);
-      $value="";
-      if(!$digits) $digits=$this->_bcmath_digits($base);
-      while($dec>$base-1) {
-          $rest=bcmod($dec,$base);
-          $dec=bcdiv($dec,$base);
-          $value=$digits[$rest].$value;
-      }
-      $value=$digits[intval($dec)].$value;
-      return (string) $value;
-  }
-  
-  // convert another base value to its decimal value
-  function _bcmath_base2dec($value,$base,$digits=FALSE) {
-      if($base<2 or $base>256) die("Invalid Base: ".$base);
-      bcscale(0);
-      if($base<37) $value=strtolower($value);
-      if(!$digits) $digits=$this->_bcmath_digits($base);
-      $size=strlen($value);
-      $dec="0";
-      for($loop=0;$loop<$size;$loop++) {
-          $element=strpos($digits,$value[$loop]);
-          $power=bcpow($base,$size-$loop-1);
-          $dec=bcadd($dec,bcmul($element,$power));
-      }
-      return (string) $dec;
-  }
-  
-  function _bcmath_digits($base) {
-      if($base>64) {
-          $digits="";
-          for($loop=0;$loop<256;$loop++) {
-              $digits.=chr($loop);
-          }
-      } else {
-          $digits ="0123456789abcdefghijklmnopqrstuvwxyz";
-          $digits.="ABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
-      }
-      $digits=substr($digits,0,$base);
-      return (string) $digits;
-  }
+	var $api = 'BCMath';
+	
+	/**
+ 	* Initializes a number to a BCMath integer.
+ 	* @param string String representation of the number
+ 	* @param int Base the number is in, defaults to 10
+ 	* @return resource
+ 	*/
+	
+	function init($int, $base = 10)
+	{
+		return $this->basecon($int, $base, 10);
+	}
+	
+	/**
+ 	* Converts a number from a BCMath integer to a string
+ 	* @param resource
+ 	* @param int Base, default is 10
+ 	* @return string
+ 	*/
+ 	
+	function str($res)
+	{
+		return ( is_string($res) ) ? $res : strval($this->basecon($res, 10, $base));
+	}
+	
+	/**
+ 	* Generates a random integer
+ 	* @param int Length in bits
+ 	* @return resource
+ 	*/
+	
+	function random($len)
+	{
+		$len = 4 * $len;
+		$chars = '0123456789abcdef';
+		$ret = '';
+		for ( $i = 0; $i < $len; $i++ )
+		{
+			$chid = mt_rand ( 0, strlen($chars) - 1 );
+			$chr = $chars{$chid};
+			$ret .= $chr;
+		}
+		return $this->basecon($this->init($ret), 16, 10);
+	}
+	
+	/**
+ 	* Converts a number between bases.
+ 	* @param resource BigInt to convert
+ 	* @param int Base to convert from
+ 	* @param int Base to convert to
+ 	*/
+	
+	function basecon($int, $from, $to)
+	{
+		if ( $from != 10 )
+			$int = $this->_bcmath_base2dec($int, $from);
+		if ( $to != 10 )
+			$int = $this->_bcmath_dec2base($int, $to);
+		return $int;
+	}
+	
+	/**
+ 	* Powmod operation (calculates (a ^ b) mod m)
+ 	* @param resource a
+ 	* @param resource b
+ 	* @param resource m
+ 	* @return resource
+ 	*/
+	
+	function powmod($a, $b, $m)
+	{
+		$a = $this->init($a);
+		$b = $this->init($b);
+		$m = $this->init($m);
+		return ( function_exists('bcpowmod') ) ? bcpowmod($a, $b, $m) : bcmod( bcpow($a, $b), $m );
+	}
+	
+	// from us.php.net/bc:
+	// convert a decimal value to any other base value
+	function _bcmath_dec2base($dec,$base,$digits=FALSE) {
+			if($base<2 or $base>256) die("Invalid Base: ".$base);
+			bcscale(0);
+			$value="";
+			if(!$digits) $digits=$this->_bcmath_digits($base);
+			while($dec>$base-1) {
+					$rest=bcmod($dec,$base);
+					$dec=bcdiv($dec,$base);
+					$value=$digits[$rest].$value;
+			}
+			$value=$digits[intval($dec)].$value;
+			return (string) $value;
+	}
+	
+	// convert another base value to its decimal value
+	function _bcmath_base2dec($value,$base,$digits=FALSE) {
+			if($base<2 or $base>256) die("Invalid Base: ".$base);
+			bcscale(0);
+			if($base<37) $value=strtolower($value);
+			if(!$digits) $digits=$this->_bcmath_digits($base);
+			$size=strlen($value);
+			$dec="0";
+			for($loop=0;$loop<$size;$loop++) {
+					$element=strpos($digits,$value[$loop]);
+					$power=bcpow($base,$size-$loop-1);
+					$dec=bcadd($dec,bcmul($element,$power));
+			}
+			return (string) $dec;
+	}
+	
+	function _bcmath_digits($base) {
+			if($base>64) {
+					$digits="";
+					for($loop=0;$loop<256;$loop++) {
+							$digits.=chr($loop);
+					}
+			} else {
+					$digits ="0123456789abcdefghijklmnopqrstuvwxyz";
+					$digits.="ABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
+			}
+			$digits=substr($digits,0,$base);
+			return (string) $digits;
+	}
 }
 
 /**
@@ -294,14 +294,14 @@
 
 function enanomath_create()
 {
-  if ( function_exists('gmp_init') )
-    return new EnanoMath_GMP();
-  else if ( function_exists('bi_from_str') )
-    return new EnanoMath_BigInt();
-  else if ( function_exists('bcadd') )
-    return new EnanoMath_BCMath();
-  else
-    throw new Exception('dh_err_not_supported');
+	if ( function_exists('gmp_init') )
+		return new EnanoMath_GMP();
+	else if ( function_exists('bi_from_str') )
+		return new EnanoMath_BigInt();
+	else if ( function_exists('bcadd') )
+		return new EnanoMath_BCMath();
+	else
+		throw new Exception('dh_err_not_supported');
 }
 
 ?>