ECDSA Signature smartcard

[CuongChu]

Hi, I have done ECDSA signing on JCOP4 P71 smart card, I get 2 parameters of signature as (r, s) however as far as I know there is 1 more parameter v and I can get v from the card?

[Fabian_R · Accepted solution]

I am afraid that there are some of the documents and libraries which are under NDA (Non-Disclosure Agreement), this information is in a secure file location.

You will need to contact your distributor to help you get the respective support.