Creating a raw signature of a hex string

[Robert Moskowitz]

On 4/23/23 12:04, Viktor Dukhovni wrote:
> On Sun, Apr 23, 2023 at 09:56:40AM -0400, Robert Moskowitz wrote:
>
>> I have a 136 byte object:
>>
>> 2e4a3f5b5e07a1fb254b811f5a1002b10a5fda326d944758324d7f16972aa2f63c4722b92001003ffe001405
> For the record, that's not 136 bytes, it is 88 hex digits (representing
> 44 bytes).
>
>> I want the 64 byte signature.
> Example:
>
>      $ openssl pkeyutl -sign -inkey edkey.pem -in /tmp/foo.dat -rawin | xxd -p -c 66
>      4865baed71e2aaba0aef5de8f5f268c93715a9efd86e47de7babaec7868b7f60a9cea24b14016367564999cfa691abdcc0a88c68e6eec52e2476fcf782d93206

What ver of openssl is -rawin supported?

My Fedora35 system that I am using for testing does not have it: ver 1.1.q

I do have F37 system that I can test with.


And why -c 66  ?