module HTTParty::ClassMethods

def pkcs12(p12_contents, password)

end
pkcs12 File.read('/home/user/my.p12'), "password"
include HTTParty
class Foo

Allows setting a PKCS12 file to be used
def pkcs12(p12_contents, password)
  default_options[:p12] = p12_contents
  default_options[:p12_password] = password
end