Minutes - Security Industry Association

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2 Error Handling Handling for a wrong CRC (checksum) or time stamp are specifically covered in the existing document. Incorrect decryption would cause a checksum failure. The DUH message is intended as a catchall for messages that are "unprocessable" for other reasons, so it would be difficult to further define this. 1 Check Criterion The existing extended data definition to carry the MAC address seems sufficient. Should this field become mandatory for some implementations? 2 Encrypted Size Less effort is being expended in newer designs to reduce data size, so that the data encoding is more robust and more easily debugged. 3 Checklist of Main Requirements This would be an excellent annex. 4 Token Table It's generally avoided to duplicate information from one standard in another document to keep the two documents from coming into later conflict. But repeating the reference table as an annex would be reasonable. 1 Data Encryption The document references FIPS 197 for AES encryption. Use of encryption is certainly desirable, but this standard does not need to mandate its use. 2 Hash The encryption provides enough of a signature to satisfy most message authentication requirements, but a scheme to include a specific signature could be designed and included in the standard. 3 2009 Errata This information needs to be incorporated in the published document. 4 Formatting The document could be reformatted to improve clarity. 5 prEN 50136-1-7 Interoperability Considerable analysis would be required to comment on the feasibility of defining a translation from one protocol to the next.
c. Next steps Schedule a meeting of this committee with the primary focus of tackling DC-09. This meeting will be discussed at the end of the call. 6. Other Standards Reviews (Brief Discussion & Prioritize) a. DC-03 -- Digital Communications Standard i. There were no thoughts on this standard, Mr. Nesse suggested a superficial update. b. DC-04 – SIA 2000 Protocol i. Mr. Hinkson said that he has seen some receiver implementations, but isn’t sure that it got any traction, one route would be to move that this standard be withdrawn. c. DC-05 – Ademco ® Contact ID Protocol i. SIA Distribution of new definitions ii. Publish updated event table iii. Rich Hinkson from Ademco said that he can send the documents to SIA and have them distributed with the standard. d. DC-07 – Receiver to Computer Interface Protocol (Type 2) i. Normal, superficial update may be in order e. AV-01 -- Audio Verification Standard Protocol for Audio Verification and Two- Way Voice - Monitoring Service Command Set i. Reaffirm possible without an update f. MSD-01 – Monitoring Practices Standard i. ANSI Standard that hasn’t been updated since 2000 ii. Has been a candidate for administratively withdrawn iii. PINS in place, we can reaffirm or review within the next few g. PIR-01 -- Passive Infrared Motion Detector Standard Revisions i. Mr. Hinkson mentioned that PIR-01 for QC testing as a reference ii. Mr. Reimer from Bosch volunteered to look into the usage within his company.
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Minutes - Security Industry Association

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