Op 18 okt. 2012 21:50 schreef "Rick Dwyer" <rpdwyer@xxxxxxxxxxxxx> het
volgende:
>
> On Oct 18, 2012, at 2:38 PM, Matijn Woudt <tijnema@xxxxxxxxx> wrote:
>
> > On Thu, Oct 18, 2012 at 7:19 PM, Rick Dwyer <rpdwyer@xxxxxxxxxxxxx>
wrote:
> >> To correct what I posted below, $code that I'm passing to my function
is encrypted… not plain text:
> >>
> >> ch7WvaSrCiHLstNeNUp5SkPfPgw0Z8vrNPJT+9vU7jN/C
> >>
> >> --Rick
> >>
> >>
> >> On Oct 18, 2012, at 12:06 PM, Rick Dwyer <rpdwyer@xxxxxxxxxxxxx> wrote:
> >>
> >>> Hello all.
> >>>
> >>> Has anyone ever tried to decode a JAVA AES/CBC encrypted string with
PHP before?
> >>>
> >>> I found a tutorial online with the following code to use as starting
point, but it fails to return anything readable:
> >>>
> >>> $code ='Hello World';
> >>> $key = 'my key';
> >>>
> >>> function decrypt($code, $key) {
> >>> $key = hex2bin($key);
> >>> $code = hex2bin($code);
> >>> $td = mcrypt_module_open("rijndael-128", "", "cbc", "");
> >>> mcrypt_generic_init($td, $key, "fedcba9876543210");
> >>> $decrypted = mdecrypt_generic($td, $code);
> >>> mcrypt_generic_deinit($td);
> >>> mcrypt_module_close($td);
> >>> return utf8_encode(trim($decrypted));
> >>> }
> >>>
> >>>
> >>> function hex2bin($hexdata) {
> >>> $bindata = "";
> >>> for ($i = 0; $i < strlen($hexdata); $i += 2) {
> >>> $bindata .= chr(hexdec(substr($hexdata, $i, 2)));
> >>> }
> >>> return $bindata;
> >>> }
> >>> echo decrypt($code, $key);
> >>>
> >>> The above returns output containing a series of unprintable
characters.
> >>>
> >>> I thought maybe it was due to $code not being in a hex format, but
after converting to hex and resubmitting, I still unprintable characters.
> >>>
> >>> Any info is appreciated.
> >>>
> >>> --Rick
> >
> >
> > Your key is not in hexadecimal, could it be Base64?
>
> I tried base64_decode($code) without luck as well.
>
>
How about no conversion at all? Just use it as a plaintext key?
Don't you have the java source that explains in what format the key is?
