How to implement php's openssl_encrypt() method in iOS Objective-C?

Question

I want to implement php\'s openssl_encrypt() method in iOS Objective-C. Therefore I tried this code:

    #import 

        

Answer 1

1. decodedKeyData is 32 bytes )(256-bits) but the key size is specified as kCCKeySizeAES192.

2. Just use randomBytes as the IV, there is no point in converting it is Base64 and back.