http://bitmsgdy44b7kwtsjbsbvl4r2j7gqpjx6kiqrvbh56phc6pyai5uzmyd.onion/index.php?title=Encryption&action=history
The first 32 bytes of H are called key_e and the last 32 bytes are called key_m. Pad the input text to a multiple of 16 bytes, in accordance to PKCS7. Encrypt the data with AES-256-CBC, using IV as initialization vector, key_e as encryption key and the padded input text as payload.