Hmmm ... I guess that's an idea. Any other ways of dealing with this?
-----Original Message-----
From: Webmaster [mailto:[EMAIL PROTECTED]
Sent: Saturday, February 11, 2006 6:06 PM
To: Mark Steudel
Subject: Re: [PHP] unsupported binary characters in database,
Mark Steudel wrote:
> I have the following encryption function:
>
>
> function RC4( $data) { //ecncrypt $data with the key in $keyfile with
> an rc4 algorithm
> $pwd = implode('', file(/key.php'));
> $pwd_length = strlen($pwd);
> for ($i = 0; $i < 255; $i++) {
> $key[$i] = ord(substr($pwd, ($i % $pwd_length)+1, 1));
> $counter[$i] = $i;
> }
> for ($i = 0; $i < 255; $i++) {
> $x = ($x + $counter[$i] + $key[$i]) % 256;
> $temp_swap = $counter[$i];
> $counter[$i] = $counter[$x];
> $counter[$x] = $temp_swap;
>
> }
> for ($i = 0; $i < strlen($data); $i++) {
> $a = ($a + 1) % 256;
> $j = ($j + $counter[$a]) % 256;
> $temp = $counter[$a];
> $counter[$a] = $counter[$j];
> $counter[$j] = $temp;
> $k = $counter[(($counter[$a] + $counter[$j]) % 256)];
> $Zcipher = ord(substr($data, $i, 1)) ^ $k;
> $Zcrypt .= chr($Zcipher);
> }
> return $Zcrypt;
> }
> source: zend code gallery
>
> When I encrypt a string that ends in e it shows up as a space in the
> database, when I pull it back out of the database, the string is
> missing the e. I tried converting the field in the database to a blob
> and that didn't work either. My next idea is to add a bin2hex and then a
hex2bin:
>
> function hex2bin($hexdata) {
> $bindata="";
>
> for ($i=0;$i<strlen($hexdata);$i+=2) {
> $bindata.=chr(hexdec(substr($hexdata,$i,2)));
> }
>
> return $bindata;
> }
> source: phil at internetprojectmanagers dot com
>
> I was hoping to get some feedback if this is a good way to go about this.
>
> Thanks, Mark
>
>
Just add a different letter to the end of the string. So long as it isn't
"e" it should be ok yeah?
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