2026-03-19 2026-03-19 0-23 Standards Action 24-255 Specification Required Unassigned 0 Reserved 1 TEEP-TYPE-query-request 2 TEEP-TYPE-query-response 3 TEEP-TYPE-update 4 TEEP-TYPE-success 5 TEEP-TYPE-error 6-255 Unassigned 0-23 Standards Action 24-254 Specification Required 255 Private Use Unassigned 0 attestation TAM requests attestation payload 1 trusted-components TAM queries installed Trusted Components 2 extensions TAM queries supported extensions 3 suit-reports TAM requests SUIT Reports 4-254 Unassigned 255 Reserved for Private Use 0-23 Standards Action 24-255 Specification Required Unassigned 0 Reserved Reserved to prevent accidental use 1 ERR_PERMANENT_ERROR Incorrect or inconsistent fields 2 ERR_UNSUPPORTED_EXTENSION Unsupported extension in message 3 ERR_UNSUPPORTED_FRESHNESS_MECHANISMS Unsupported freshness mechanism 4 ERR_UNSUPPORTED_MSG_VERSION Unsupported freshness mechanism 5 ERR_UNSUPPORTED_CIPHER_SUITES Unsupported freshness mechanism 6 ERR_BAD_CERTIFICATE Unsupported freshness mechanism 7 ERR_ATTESTATION_REQUIRED Unsupported freshness mechanism 8 ERR_UNSUPPORTED_SUIT_REPORT Unsupported freshness mechanism 9 ERR_CERTIFICATE_EXPIRED Unsupported freshness mechanism 10 ERR_TEMPORARY_ERROR Unsupported freshness mechanism 11 ERR_MANIFEST_PROCESSING_FAILED Unsupported freshness mechanism 12-255 Unassigned 0-255 Standards Action 256-1023 Specification Required Unassigned 0 Reserved 1 supported-teep-cipher-suites array 2 challenge bstr 3 versions array 4 supported-suit-cose-profiles array 5 selected-version uint 6 attestation-payload bstr 7 tc-list array 8 ext-list array 9 manifest-list array 10 msg text 11 err-msg text 12 attestation-payload-format text 13 requested-tc-list array 14 unneeded-manifest-list array 15 component-id SUIT_Component_Identifier 16 tc-manifest-sequence-number uint 17 have-binary bool 18 suit-reports array 19 token bstr 20 supported-freshness-mechanisms array 21 err-lang text 22 err-code uint 23-1023 Unassigned 0-23 Standards Action 24-255 Specification Required Unassigned 0 FRESHNESS_NONCE 1 FRESHNESS_TIMESTAMP 2-255 Unassigned