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Figure 4 - Improve readability #224

hannestschofenig opened this issue Mar 25, 2021 · 1 comment · Fixed by #227

Figure 4 - Improve readability #224

hannestschofenig opened this issue Mar 25, 2021 · 1 comment · Fixed by #227


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@hannestschofenig hannestschofenig commented Mar 25, 2021

                       Cardinality &                    Location of
                        Location of    Private Key     Trust Anchor
   Purpose              Private Key       Signs           Store
   ------------------   -----------   -------------    -------------
   Authenticating TEE    1 per TEE    TEEP responses       TAM

   Authenticating TAM    1 per TAM    TEEP requests     TEEP Agent

   Code Signing          1 per Trusted  TA binary          TEE

                         Figure 4: Signature Keys

Authenticating TEE is a bit misleading because one could argue that the attestation provides authentication of the TEE and the TEEP response signing only authenticates the TEEP agent running within the TEE.

dthaler added a commit to dthaler/architecture that referenced this issue Jul 10, 2021
Fixes ietf-teep#224

Signed-off-by: Dave Thaler <>
@dthaler dthaler closed this in #227 Jul 10, 2021
@dthaler dthaler reopened this Jul 10, 2021
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@dthaler dthaler commented Jul 12, 2021

Fixed in draft -15

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