Specifications

6-10

Miscellaneous

6.5.4 The Keys Applied

The following shows in diagrams the keys as they are applied during a

DCI Mastering on CLIPSTER and a play-out by the D-Cinema player.

The Keys on CLIPSTER

This diagram shows the keys applied on a CLIPSTER DCI Mastering sys-

tem:

Figure 6-3: The keys and where they are used on the Creator side

The generated track file of the DCP is encrypted with an AES key that

has been randomly generated by CLIPSTER. For each track file one AES

key will be created and used. The AES keys are then encrypted with the

Please note that the explanations of the keys at the recipient

side are detailed for clarification only.

Track File

KDMCPL PKL

Recipient

Certificate

AES Key

(created by

CLIPSTER)

DCP

Encryption

Key

(public)

Signing Key

(private of Crea-

tor Certificate)

encrypt

sign

AES encrypted

Track File

RSA encrypted

AES Key

Hash

Creator

CLIPSTER DCI Mastering System