The ruby openssl wrapper currently does not interface with either of these, which are required for those who wish to generate a public key with a provided private key. Please consider adding this functionality.
This issue was solved with changeset r36006.
roobie, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.
ext/openssl/ossl_pkey_ec.c
test/openssl/test_pkey_ec.rb: Add support for EC_POINT_mul.
Patch provided by Sambasiva Suda. Thanks! [ruby-core:44408][ruby-trunk - Feature #6310]