Cipher is the easiest solution to add encryption techniques on your Unity game. This thread is dedicated to share your experiences with the library to help others, to report issues and suggest new ideas to improve the plugin.
I'm trying to use the generated AES data with PHP but am unable to. I think there might be a mismatch with the blocksize and/or initialization vector. I tested AES 128 bits (given secret string) with CBC, ECB and CTR (none of them work).