Aerotune

require 'openssl'

key1 = OpenSSL::PKey::EC.new("secp112r1").generate_key
key2 = OpenSSL::PKey::EC.new("secp112r1").generate_key

shared_key1 = key1.dh_compute_key(key2.public_key)
shared_key2 = key2.dh_compute_key(key1.public_key)

## Shared secret key
#p shared_key1 == shared_key2