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.
--Rick
>
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