Re: PHP to decode AES

On Oct 18, 2012, at 2:38 PM, Matijn Woudt <tijnema@gmail.com> wrote: > On Thu, Oct 18, 2012 at 7:19 PM, Rick Dwyer <rpdwyer@earthlink.net> 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@earthlink.net> 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. --Rick > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >