compressed ecdsa public keys
rgm at htt-consult.com
Mon Jun 5 14:25:48 UTC 2023
On 6/5/23 09:49, Matt Caswell wrote:
> On 05/06/2023 14:17, Robert Moskowitz wrote:
>> is there a way in genkey to create an ECDSA P-256 in compressed
>> format (now that the patent is well expired)?
> You can do it like this:
> $ openssl ecparam -genkey -name P-256 -noout | openssl ec -conv_form
> compressed -out key.pem
Ah, perhaps that is why I missed it. You make it a regular uncompressed
then compress it.
OK. This is good.
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