On Thu, Aug 10, 2017 at 03:17:02PM -0400, Robert Moskowitz wrote: > > Are you sure you want secp256k1? By far the more common choice is > > prime256r1 (aka P-256 or secp256r1). > > Do you mean prime256v1? Yes, it is the primary name in OpenSSL for secp256r1 aka (NIST) P-256. -- Viktor.