Projects

Overview
Project Title	Space Data Link Security Protocol, Issue 2
Approval	Approved
Document Number	355.0
Charter	5.09 Space Data Link Security WG
Document Type	Blue
Description of Document	This Recommended Standard specifies a security protocol for CCSDS data links. The protocol provides a security header and trailer along with associated procedures that may be used with the CCSDS Telemetry, Telecommand, and Advanced Orbiting Systems Space Data Link Protocols to provide a structured method for applying data authentication and/or data confidentiality at the Data Link layer. Issue 2 of the document will include changes in order to 1) enable use of USLP frames, 2) reflect AES key length change for baseline mode, 3) reference the recently approved Blue Book for Extended Procedures, 4) clarify and complete a few specifications.
Applicable Patents	There are no patent issues for this technology that are known by the CCSDS community
Patent Comments	No applicable patent known
Survey of Similar Standards Documents or Projects Undertaken in Other Bodies and elsewhere in CCSDS	N/A
Resources
Book Editor	CNES
Book Editor Resources	1 Work Month (WM)
Prototype 1	Not Required
Prototype 1 Resources
Prototype 2	Not Required
Prototype 2 Resources
Prototype 3	Not Required
Prototype 3 Resources
Contribute	CNES, DLR, ESA, NASA, UKSA
Monitor Only
Resource Comments

Schedule

Legend for Schedule Milestones = Required for Orange Books = Required for Green Books = Required for Magenta Books = Required for Blue Books Note - Red Books are Draft Blue/Magenta Books Schedule Milestones	Original Completion Date (Date in M/D/YYYY format.)	Estimated Completion Date (Date in M/D/YYYY format.)	Actual Completion Date (Date in M/D/YYYY format.)	Comments (Date in M/D/YYYY format.)
Project Approved	6/15/2020	7/21/2020	7/21/2020	CMC-P-2020-07-003 Approval of New Project in the 5.09 Space Data Link Security WG
Project Start Date	6/20/2020	8/3/2020	8/3/2020
Internal WG Review
First Draft Circulated to WG	6/30/2020	9/1/2020	9/1/2020
First Draft Comments Due	10/1/2020	10/30/2020	10/10/2020
Second draft circulated to WG	10/15/2020	11/30/2020	11/10/2020
Second Draft Comments Due	11/30/2020	3/1/2021	1/5/2021
Final WB Submitted to AD for Further Processing	1/10/2021	4/13/2021	2/2/2021	Final draft delivered to SEA+SLS ADs
External Milestones
Secretariat Document Processing	3/1/2021	5/31/2021	6/30/2021
First Agency Review	4/30/2021	6/30/2021	7/30/2021
RID Resolution	5/30/2021	9/30/2021	11/8/2021
Secretariat Document Processing 2	5/30/2021	10/29/2021	5/2/2022	No additional review expected
Final Agency Review	5/30/2021	12/31/2021	12/31/2021	No additional review expected
RID Resolution	5/30/2021	12/31/2021	12/31/2021	No additional review expected
First Prototype Development	5/30/2021	12/31/2021	12/31/2021	Not required
Second Prototype Development	5/30/2021	12/31/2021	12/31/2021	Not required
CMC Approval	9/30/2021	12/31/2021	8/16/2022
Total Time to Complete (in months)	15	17