Hi,

First,

"A poll was organized, with the following result:
I prefer aligning with the LAMPS Composite document?
Yes: 21 / No: 12 / No opinion: 10"

Was the COSE WG consulted as part of this poll?

I also have the following editorial comments:

  1.  Section 4.5.1, Ecdsa-Sig-Value (Signatures)

"r and s are the raw, fixed-length, big-endian values already used today by 
[RFC7518] and [RFC9053] (32 bytes each for P-256, 48 bytes each for P-384)."

Although r and s are typically fixed-length values for a given curve, they may 
also be encoded using fewer bytes if leading zeros are omitted.

  2.  Section 4.5.1, Ecdsa-Sig-Value (Signatures)

Please also specify how many bytes are used to encode and decode the length 
field. Otherwise, implementers need prior knowledge of ASN.1 encoding rules.

  3.  Section 4.5.1, Ecdsa-Sig-Value (Signatures)

Please wrap the long lines in the last code block. Also, after "parameters 
field", add the explanatory text: "A0: explicit tag 0".

  4.  Please use either P-256 / P-384 or secp256 / secp384 consistently 
throughout the document, rather than mixing the two naming conventions.

  5.  Please wrap the long lines in Table 7: JOSE/COSE Composite Label Values.

  6.  Please wrap the long lines in the examples in Appendix A.

  7.  I am not sure that the example in Appendix A.2 is conformant with the 
COSE specification.

Best regards,

Lijun (from cose WG)

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