On 08/10/2017 02:27 PM, Viktor Dukhovni wrote:
On Thu, Aug 10, 2017 at 12:03:31PM -0400, Robert Moskowitz wrote:

openssl ecparam -name secp256k1 -genkey -noout -out private/ca.key.pem

But openssl ecparam does not have any option equivalent (that I can find) to 
Yes, this command does not currently support key encryption.

What am I missing.
The command that does is:

    $  openssl genpkey -aes256 -algorithm ec \
        -pkeyopt ec_paramgen_curve:secp256k1 \
        -pkeyopt ec_param_enc:named_curve \
        -out private/ca.key.pem

Are you sure you want secp256k1?  By far the more common choice is
prime256r1 (aka P-256 or secp256r1).

Do you mean prime256v1?

$ openssl ecparam -list_curves
  secp256k1 : SECG curve over a 256 bit prime field
  secp384r1 : NIST/SECG curve over a 384 bit prime field
  secp521r1 : NIST/SECG curve over a 521 bit prime field
  prime256v1: X9.62/SECG curve over a 256 bit prime field

openssl ecparam -in private/ca.key.pem -text -noout
EC keys are read with "openssl ec" not "openssl ecparam".

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