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# System prepended metadata

title: Untitled

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## New CBOR Tags {#sec-iana-cbor-tags}


|     Tag | Data Item                           | Semantics                                    | Reference |
|     --- | ---------                           | ---------                                    | --------- |
|     500 | tag                                 | A corim, one out of $concise-rim-type-choice | {{&SELF}}   |
|     501 | map                                 | A corim-map                                  | {{&SELF}}   |
|     502 | tag                                 | A signed-corim                               | {{&SELF}}   |
| 503-504 | any                                 | Earmarked for CORIM                          | {{&SELF}}   |
|     505 | bytes                               | An encoded concise-swid-tag                  | {{&SELF}}   |
|     506 | bytes                               | An encoded concise-mid-tag                   | {{&SELF}}   |
|     507 | any                                 | Earmarked for CORIM                          | {{&SELF}}   |
|     508 | bytes                               | An encoded concise-bom-tag                   | {{&SELF}}   |
| 509-549 | any                                 | Earmarked for CORIM                          | {{&SELF}}   |
|     550 | bytes .size 33                      | tagged-ueid-type                             | {{&SELF}}   |
|     551 | int                                 | tagged-int-type                              | {{&SELF}}   |
|     552 | uint                                | tagged-svn                                   | {{&SELF}}   |
|     553 | uint                                | tagged-min-svn                               | {{&SELF}}   |
|     554 | text                                | tagged-pkix-base64-key-type                  | {{&SELF}}   |
|     555 | text                                | tagged-pkix-base64-cert-type                 | {{&SELF}}   |
|     556 | text                                | tagged-pkix-base64-cert-path-type            | {{&SELF}}   |
|     557 | digest: [alg: int/text, val: bytes] | tagged-thumbprint-type                       | {{&SELF}}   |
| 558-559 | any                                 | Earmarked for CORIM                          | {{&SELF}}   |
|     560 | bytes                               | $raw-value-type-choice                       | {{&SELF}}   |
| 561-599 | any                                 | Earmarked for CORIM                          | {{&SELF}}   |

Tags designated as "earmarked for CORIM" can be reassigned by IANA based on advice from the designated expert for the CBOR Tags registry.


[^issue] https://github.com/ietf-rats-wg/draft-ietf-rats-corim/issues/13

