− | Each section begins with the payload encrypted data, followed by this block metadata. The hash used for the MAC is calculated over the the cleartext payload, this hash is calculated the same way as the section hashes stored in the footer. | + | Each section begins with the payload encrypted data, followed by this block metadata. The hash used for the MAC is calculated over the the cleartext payload, however it's unknown how this hash is calculated. This hash used for generating the MAC is also stored in the footer. |