Digital Cinema Initiatives

DCI SYSTEM REQUIREMENTS AND SPECIFICATIONS FOR DIGITAL CINEMA

DCI Specification, Version 1.4

 

Digital Cinema Initiatives, LLC (DCI) has adopted Version 1.4 of its Digital Cinema System Specification as of 20 July 2020.

Future errata will modify the DCI Specification, Version 1.4 .

 

Two addenda remain supplements to the DCSS:

 

 


 

ERRATA TO DCI DIGITAL CINEMA SYSTEM SPECIFICATION VERSION 1.4

 

Errata items continue to be evaluated and will be posted after agreement by the DCI membership that the specific erratum needs to modify the DCI Digital Cinema System Specification, Version 1.4. Suggested Erratum issues may be emailed to image is not clickable to prevent spam Please include "Errata" in the subject line.

 

DCSS Errata 1-2, Approved: 02 SEPTEMBER 2020 for the Digital Cinema System Specification (DCSS), Version 1.3.
pdf DCI_DCSSv1-4_Errata_1-2_9-02-2020.pdf

Erratum Spec 1.4 PageSections Affected Description

1  

119  

9.4.5.1  

The first sentence of this section is replaced with:

The SM and (non-integrated) SMS shall both conduct their intra-theater messaging under TLS protection. TLS version 1.3 as defined in IETF RFC 8446 should be used. For purposes of interoperability, TLS version 1.0 as defined in IETF RFC 2246 shall be supported. TLS version 1.2 as defined in IETF RFC 5246 may be supported.

Note: TLS versions higher than 1.0 include handshakes that determine the supported TLS version(s) of both end points.

2  

106  

9.4.3.5  

The following sentence is added to item #4b:

Per the requirements of Section 5.4.3.7. Security of the CPL, a mismatch between the KeyIDs appearing in the KDM and CPL shall be logged as a SMPTE 430-5 D-Cinema Operations – Security Log Event Class and Constraints for D-Cinema “CPLCheck” AssetMissingError event.

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