compressor shall check that CRC-STATIC changes upon updated static context

Bug #1604436 reported by Didier Barvaux on 2016-07-19
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
rohc
Status tracked in Rohc-main
Rohc-2.0.x
Wishlist
Didier Barvaux
Rohc-main
Wishlist
Didier Barvaux

Bug Description

The note from §5.9.2 of RFC 3095 is not implemented yet:

   Note: Whenever the CRC-STATIC fields change, the new saved CRC state
   after 1) is compared with the old state. If the states are
   identical, the CRC cannot catch the error consisting in the
   decompressor not having updated the static context. In U/O-mode the
   compressor SHOULD then for a while use packet types with another CRC
   length, for which there is a difference in CRC state, to ensure error
   detection.

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