a case for the protected header usage

ietf-scitt / draft-birkholz-cose-tsa-tst-header-parameter

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a case for the protected header usage #4

Closed thomas-fossati closed 2 months ago

thomas-fossati commented 1 year ago

As discussed, there may be a use case for "non-countersignature" uses of the header:

graph TB
  C["COSE thing"]
  MI["RFC3161.messageImprint"]
  payload -- hash --> MI 
  MI -- RFC3161 --> TST
  TST -- protected hdr --> C
  payload --> C

thomas-fossati commented 2 months ago

This is now incorporated as Timestamp-Then-COSE (TTC) mode.