Well, I sure did miss it didn’t I. Thanks for the quick response. :-)

LL

On Dec 5, 2016, at 7:26 PM, Jim Schaad <[email protected]> wrote:

> No that is not correct.   The correct input is called out in section 4.4.
> 
> You can also look at
> https://github.com/jimsch/Examples/blob/master/ecdsa-examples/ecdsa-01.json
> for the ToBeSign_hex field
> 
> jim
> 
>> -----Original Message-----
>> From: COSE [mailto:[email protected]] On Behalf Of Lundblade, Laurence
>> Sent: Monday, December 05, 2016 6:39 PM
>> To: cose <[email protected]>
>> Subject: [COSE] exact input to the sig computation
>> 
>> Can you confirm for me the input to the signature computation (e.g. ECDSA)
> is
>> the concatenation of the the bstr wrapped  protected headers and the bstr
>> wrapped payload?  Pretty sure that's right, but it doesn't seem to be
> explicit in
>> the cose draft. Sorry if I missed it.
>> 
>> Thx
>> 
>> LL
>> 
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> 
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