CODEWITHSUNDEEP
phpiphoneencryptionaes
Or Arbel
Or Arbel

Reputation: 2975

AES256 String encryption on PHP and decryption on iPhone

i have this on my php code: 

$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$key = "bla";
$text = json_encode($rows);
$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv)
print base64_encode($crypttext);

and this one the iphone: 

NSString *response = [NSString stringWithContentsOfURL:[NSURL URLWithString:@"http://www.bla.com/myinfo.php"]  encoding:NSUTF8StringEncoding error:&error];
    response = [[NSData base64DataFromString:response] AESDecryptWithPassphrase:@"bla"];
    response = [[[NSString alloc] initWithData:response encoding:NSUTF8StringEncoding] autorelease];
    NSLog(response);

but it doesn't work, anyone has a method that works?
thanks

Upvotes: 2

Views: 3091

Answers (1)

Stefan Gehrig
Stefan Gehrig

Reputation: 83622

I bet, you're stumbling upon a padding issue. I addressed this topic in three SO answers, so you likely find the solution in one of those answers:

Upvotes: 2

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